Last Updated: 06/17/2025 1:46 AM

The following table lists all the components that make up the document.

Title Type Status Last Updated
8816 - Amber Fault LED Illuminated
TS Flowchart
Published
06/28/2024 1:03 PM
10083 - 10082 - What is on the SC-770 controller display? - Decision, Notes:
Troubleshooting Element
Published
06/05/2025 2:54 AM
9948 - 9945 - Restart RPM - Decision, Notes: 9946
Troubleshooting Element
Published
06/28/2024 12:22 PM
9946 - Restart the RPM by cycling the on/off switch on the LD-260
Remark
Published
10/19/2023 8:50 AM
8861 - Did this fix the Issue?
Remark
Published
09/25/2023 1:22 PM
1544 - 546 - Done - Complete, Notes: 547
Troubleshooting Element
Published
10/01/2020 7:23 PM
547 - Troubleshooting is complete.
Remark
Published
07/09/2021 7:45 PM
546 - Done
Troubleshoot Element Text
Published
07/09/2021 7:44 PM
9944 - 9941 - Measure discriminator voltages - Decision, Notes: 9041
Troubleshooting Element
Published
10/19/2023 8:47 AM
9041 - Using a digital multimeter in DC mode,verify 15 VDC at TB1 pins 1, 2, and 3.
Remark
Published
09/27/2023 6:03 AM
9942 - measure the discriminator voltages on the SCA-774 boards at:
Remark
Published
10/19/2023 8:47 AM
9943 - Are the ULD/LLD voltages correct?
Remark
Published
10/19/2023 8:47 AM
9940 - 9937 - Measure gamma high voltage - Decision, Notes: 9938
Troubleshooting Element
Published
10/19/2023 8:25 AM
9938 - Measure the HV on the MHV cable at both detectors using a digital multi-meter...
Remark
Published
10/19/2023 8:24 AM
9939 - Is the measured voltage significantly less than 900 VDC?
Remark
Published
10/19/2023 8:25 AM
9936 - 9933 - Adjust gamma high voltage - Decision, Notes: 9934
Troubleshooting Element
Published
10/19/2023 8:19 AM
9934 - Attempt to adjust gamma high voltage on the gamma HV-448/458 board R1 to +900...
Remark
Published
10/19/2023 8:17 AM
9935 - Is the gamma high voltage now approximately 900VDC?
Remark
Published
10/19/2023 8:18 AM
9932 - 9930 - Perform an Electronic Alignment - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/19/2023 8:15 AM
9007 - Perform the following procedure:
Remark
Published
09/26/2023 1:23 PM
9931 - DET-RPM-RAP-CM01, RPM Electronic Alignment.
Remark
Published
10/19/2023 8:15 AM
9928 - 8168 - Did this fix the problem? - Decision, Notes:
Troubleshooting Element
Published
10/19/2023 8:12 AM
9857 - 9855 - Replace High Voltage Board - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/19/2023 7:18 AM
9856 - DET-RPM-RAP-CM25, RPM HHV-448/458 High Voltage Board Replacement.
Remark
Published
10/19/2023 7:18 AM
8823 - 8168 - Did this fix the problem? - Decision, Notes:
Troubleshooting Element
Published
09/25/2023 12:14 PM
9057 - 9054 - Disconnect RPM Battery - Process, Notes: 9055
Troubleshooting Element
Published
09/27/2023 9:16 AM
9055 - Isolate RPM battery from LD-260 by disconnecting J3 connector.
Remark
Published
06/05/2025 11:33 PM
9052 - 9032 - PWR ON LED on the LD-260 illuminated? - Decision, Notes: 9033
Troubleshooting Element
Published
09/27/2023 9:08 AM
9033 - Is the PWR ON LED on the LD-260 illuminated?
Remark
Published
09/27/2023 5:47 AM
9031 - 9029 - Replace RPM Battery - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
09/26/2023 2:11 PM
9030 - DET-RPM-RAP-CM28, +12 VDC Battery Replacement
Remark
Published
09/26/2023 2:11 PM
9029 - Replace RPM Battery
Troubleshoot Element Text
Published
09/26/2023 2:06 PM
9051 - 9045 - LD-260 Fuse Failed? - Decision, Notes: 9046
Troubleshooting Element
Published
06/06/2025 12:12 AM
9046 - Turn off power to the RPM at the AC input breaker
Remark
Published
09/27/2023 6:26 AM
9047 - Reconnect RPM Battery
Remark
Published
09/27/2023 6:28 AM
9048 - Remove and retain four (4) cover plate screws and nut on toggle switch
Remark
Published
06/06/2025 12:31 AM
9049 - Examine fuse visually.
Remark
Published
09/27/2023 6:30 AM
9013 - 9011 - Replace LD-260 Fuse - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
09/26/2023 1:41 PM
9012 - DET-RPM-RAP-CM05, RPM LD-260 Load Disconnect Fuse Replacement.
Remark
Published
09/26/2023 1:40 PM
9011 - Replace LD-260 Fuse
Troubleshoot Element Text
Published
09/26/2023 1:39 PM
9039 - 9035 - Disconnect LD-260 Molex Connectors - Process, Notes: 9036
Troubleshooting Element
Published
06/06/2025 12:32 AM
9036 - Reinstall retained cover screws and toggle switch nut on LD-260.
Remark
Published
06/06/2025 12:17 AM
9038 - Disconnect Molex J2 and J4 connectors
Remark
Published
09/27/2023 5:54 AM
9034 - 9032 - PWR ON LED on the LD-260 illuminated? - Decision, Notes: 9033
Troubleshooting Element
Published
06/05/2025 4:35 PM
9018 - 545 - Contact Technical Support - Process, Notes: 9015
Troubleshooting Element
Published
09/26/2023 1:43 PM
9015 - Reconnect LD-260 Molex J2 and J4 connectors
Remark
Published
09/26/2023 1:42 PM
11521 - Troubleshooting incomplete. Contact technical support. Provide the ...
Remark
Published
06/06/2025 12:47 AM
5882 - 545 - Contact Technical Support - Incomplete, Notes: 5881
Troubleshooting Element
Published
11/07/2022 10:02 AM
5881 - Troubleshooting incomplete. Contact technical support. Provide the ...
Remark
Published
11/07/2022 9:49 AM
545 - Contact Technical Support
Troubleshoot Element Text
Published
04/05/2021 12:00 PM
9009 - 9006 - Replace LD-260 - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
09/26/2023 1:25 PM
9008 - DET-RPM-RAP-CM06, RPM LD-260 Load Disconnect Replacement.
Remark
Published
09/26/2023 1:24 PM
9006 - Replace LD-260
Troubleshoot Element Text
Published
09/26/2023 1:11 PM
9032 - PWR ON LED on the LD-260 illuminated?
Troubleshoot Element Text
Published
09/27/2023 5:43 AM
9035 - Disconnect LD-260 Molex Connectors
Troubleshoot Element Text
Published
09/27/2023 5:51 AM
9045 - LD-260 Fuse Failed?
Troubleshoot Element Text
Published
09/27/2023 6:18 AM
9054 - Disconnect RPM Battery
Troubleshoot Element Text
Published
09/27/2023 9:15 AM
8168 - Did this fix the problem?
Troubleshoot Element Text
Published
08/25/2023 11:59 AM
9855 - Replace High Voltage Board
Troubleshoot Element Text
Published
10/19/2023 7:16 AM
9930 - Perform an Electronic Alignment
Troubleshoot Element Text
Published
10/19/2023 8:14 AM
9933 - Adjust gamma high voltage
Troubleshoot Element Text
Published
10/19/2023 8:16 AM
9923 - 9921 - Gently wiggle BNC connectors - Decision, Notes: 9922
Troubleshooting Element
Published
10/19/2023 8:10 AM
9922 - Gently wiggle the affected channel’s signal cable BNC connector where it is...
Remark
Published
10/19/2023 8:10 AM
9913 - Did the displayed count rate change?
Remark
Published
10/19/2023 8:00 AM
9098 - 9096 - Replace SCA-774 Board - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/14/2024 11:52 AM
9097 - DET-RPM-RAP-CM07, SCA-774 RPM Single Channel Analyzer Board Replacement. ...
Remark
Published
09/27/2023 12:42 PM
9096 - Replace SCA-774 Board
Troubleshoot Element Text
Published
09/27/2023 12:40 PM
9914 - 9910 - Gently wiggle signal cable - Decision, Notes: 9911
Troubleshooting Element
Published
10/19/2023 8:00 AM
9911 - Gently wiggle the affected channel’s signal cable above the connector where...
Remark
Published
10/19/2023 7:59 AM
9912 - Gently wiggle the affected channel’s signal cable above the connector where...
Remark
Published
10/19/2023 7:59 AM
9892 - 9851 - Replace affected signal cable - Decision, Notes: 9852
Troubleshooting Element
Published
10/19/2023 7:51 AM
9852 - Replace the signal cable on the affected channel
Remark
Published
10/19/2023 7:15 AM
9889 - 9884 - Swap signal cables at SCA-774 board - Decision, Notes: 9885
Troubleshooting Element
Published
10/19/2023 7:46 AM
9885 - Navigate to SHOW COUNTS on the SC-770
Remark
Published
10/19/2023 7:44 AM
9886 - 1:Gamma>2:Functions>1:Show Counts
Remark
Published
10/19/2023 7:45 AM
9887 - While watching SHOW COUNTS, switch the BNC connectors for gamma CH1 and CH2 a...
Remark
Published
10/19/2023 7:46 AM
9888 - Did the fault indication move from the original channel to the other?
Remark
Published
10/19/2023 7:46 AM
9864 - 9861 - Replace VD-580 - Formal Procedure, Notes: 9862
Troubleshooting Element
Published
10/19/2023 7:29 AM
9862 - Perform the following procedure on the affected channel:
Remark
Published
10/19/2023 7:28 AM
9863 - DET-RPM-RAP-CM03, RPM VD-580 Replacement
Remark
Published
10/19/2023 7:29 AM
9858 - 8168 - Did this fix the problem? - Decision, Notes:
Troubleshooting Element
Published
10/19/2023 7:22 AM
9853 - 9851 - Replace affected signal cable - Decision, Notes: 9852
Troubleshooting Element
Published
10/19/2023 7:15 AM
9848 - 9846 - GH or GL? - Decision, Notes: 9847
Troubleshooting Element
Published
10/19/2023 7:10 AM
9847 - Is the fault indication on the affected channel HI or LO?
Remark
Published
10/19/2023 7:10 AM
9845 - 9843 - Light Leak? - Decision, Notes: 9844
Troubleshooting Element
Published
10/19/2023 7:05 AM
9844 - It is unlikely that the gamma detector would need to be replaced. Insp...
Remark
Published
10/19/2023 7:04 AM
9842 - 9840 - Replace gamma detector - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/19/2023 7:00 AM
9841 - DET-RPM-RAP-CM22, Gamma Detector Assembly Replacement.
Remark
Published
10/19/2023 7:00 AM
9840 - Replace gamma detector
Troubleshoot Element Text
Published
10/19/2023 6:57 AM
9843 - Light Leak?
Troubleshoot Element Text
Published
10/19/2023 7:02 AM
9846 - GH or GL?
Troubleshoot Element Text
Published
10/19/2023 7:09 AM
9851 - Replace affected signal cable
Troubleshoot Element Text
Published
10/19/2023 7:13 AM
9861 - Replace VD-580
Troubleshoot Element Text
Published
10/19/2023 7:25 AM
9874 - 9869 - Swap SC-770 controller connectors - Decision, Notes: 7236
Troubleshooting Element
Published
10/19/2023 7:40 AM
7236 - Move LD-260 switch to OFF position. The PWR ON
Remark
Published
04/27/2023 4:25 PM
9870 - Switch the positions of the large 19-pin connectors on the bottom of the SC-7...
Remark
Published
10/19/2023 7:37 AM
7367 - Move LD-260 switch to ON position. The PWR ON
Remark
Published
05/11/2023 12:42 PM
9871 - Wait for controller to complete POST and obtain initial background
Remark
Published
10/19/2023 7:39 AM
9872 - Did the fault indication move from the original pillar (for example: DET 1/2 ...
Remark
Published
10/19/2023 7:40 AM
9095 - 9093 - Replace SC-771 Controller Board - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
09/27/2023 12:36 PM
9094 - DET-RPM-RAP-CM09, RPM SC-771 Controller Board Replacement.
Remark
Published
09/27/2023 12:36 PM
9093 - Replace SC-771 Controller Board
Troubleshoot Element Text
Published
09/27/2023 12:34 PM
9869 - Swap SC-770 controller connectors
Troubleshoot Element Text
Published
10/19/2023 7:32 AM
9884 - Swap signal cables at SCA-774 board
Troubleshoot Element Text
Published
10/19/2023 7:42 AM
9910 - Gently wiggle signal cable
Troubleshoot Element Text
Published
10/19/2023 8:00 AM
9921 - Gently wiggle BNC connectors
Troubleshoot Element Text
Published
10/19/2023 8:09 AM
9937 - Measure gamma high voltage
Troubleshoot Element Text
Published
10/19/2023 8:23 AM
9905 - 9898 - Reset ULD/LLD - Decision, Notes: 9899
Troubleshooting Element
Published
10/19/2023 7:57 AM
9899 - Navigate to DSCR. ADJUST on the SC-770
Remark
Published
10/19/2023 7:54 AM
9900 - 1:Gamma>2:Functions>2:DSCR. ADJUST
Remark
Published
10/19/2023 7:54 AM
9901 - Press the * key to reset control pillar to default values
Remark
Published
10/19/2023 7:55 AM
9902 - Press the # key
Remark
Published
10/19/2023 7:55 AM
9903 - Press the * key to reset auxiliary pillar to default values
Remark
Published
10/19/2023 7:56 AM
9904 - Press the # key 3 times to exit programming mode
Remark
Published
10/19/2023 7:56 AM
9898 - Reset ULD/LLD
Troubleshoot Element Text
Published
10/19/2023 7:53 AM
9941 - Measure discriminator voltages
Troubleshoot Element Text
Published
10/19/2023 8:27 AM
9945 - Restart RPM
Troubleshoot Element Text
Published
06/28/2024 11:59 AM
10000 - 10651 - Restart RPM - Decision, Notes: 9946
Troubleshooting Element
Published
06/28/2024 12:21 PM
9998 - 9941 - Measure discriminator voltages - Decision, Notes: 9997
Troubleshooting Element
Published
10/19/2023 11:38 AM
9997 - Using a digital multimeter, measure the discriminator voltages on the SCA-774...
Remark
Published
10/19/2023 11:37 AM
9996 - 9921 - Gently wiggle BNC connectors - Decision, Notes: 9922
Troubleshooting Element
Published
10/19/2023 11:32 AM
9995 - 9910 - Gently wiggle signal cable - Decision, Notes: 9911
Troubleshooting Element
Published
10/19/2023 11:30 AM
9994 - Gently wiggle the affected channel’s signal cable above the connector where...
Remark
Published
10/19/2023 11:30 AM
9993 - 9851 - Replace affected signal cable - Decision, Notes: 9852
Troubleshooting Element
Published
10/19/2023 11:27 AM
9992 - 9990 - Measure PMFX Box input high voltage - Decision, Notes: 9991
Troubleshooting Element
Published
10/19/2023 11:25 AM
9991 - Measure the HV on the MHV cable at the center top of the PMFX box using a dig...
Remark
Published
10/19/2023 11:24 AM
9986 - Is the neutron high voltage between +1365 VDC and +1385 VDC?
Remark
Published
10/19/2023 11:19 AM
9976 - 9973 - Measure PMFX Box output high voltages - Decision, Notes: 9974
Troubleshooting Element
Published
10/19/2023 10:28 AM
9974 - Measure the HV on the MHV cables at each Helium-3 tube using a digital multi-...
Remark
Published
10/19/2023 10:28 AM
9975 - Are ALL the measured voltages between +1240 VDC and +1260 VDC?
Remark
Published
10/19/2023 10:28 AM
9969 - 9884 - Swap signal cables at SCA-774 board - Decision, Notes: 9885
Troubleshooting Element
Published
10/19/2023 10:15 AM
9965 - 2:Neutron>2:Functions>1:Show Counts
Remark
Published
10/19/2023 10:08 AM
9968 - While watching SHOW COUNTS, switch the BNC connectors for neutron CH3 and CH4...
Remark
Published
10/19/2023 10:14 AM
9967 - 9964 - Swap cables at bottom of PMFX Box - Decision, Notes: 9885
Troubleshooting Element
Published
10/19/2023 10:10 AM
9966 - While watching SHOW COUNTS, switch the pairs of MHV connectors for neutron CH...
Remark
Published
10/19/2023 10:09 AM
9961 - 9959 - Replace MHV cable - Decision, Notes: 9960
Troubleshooting Element
Published
10/19/2023 9:50 AM
9960 - Replace the suspected MHV cable on the bottom of the PMFX Box
Remark
Published
10/19/2023 9:50 AM
9952 - 9949 - Replace Helium-3 tube - Formal Procedure, Notes: 9950
Troubleshooting Element
Published
10/19/2023 9:03 AM
9950 - If a spare Helium-3 tube is available, perform the following procedure:
Remark
Published
10/19/2023 9:02 AM
9951 - DET-RPM-RAP-CM21, Neutron Detector Helium-3 (He3) Tube Replacement.
Remark
Published
10/19/2023 9:03 AM
9949 - Replace Helium-3 tube
Troubleshoot Element Text
Published
10/19/2023 9:01 AM
9959 - Replace MHV cable
Troubleshoot Element Text
Published
10/19/2023 9:46 AM
9956 - 9953 - Replace PMFX Box - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/19/2023 9:17 AM
9954 - DET-RPM-RAP-CM04, RPM Neutron Signal Pick-Off Box (PMFX) Replacement
Remark
Published
10/19/2023 9:17 AM
9953 - Replace PMFX Box
Troubleshoot Element Text
Published
10/19/2023 9:11 AM
9964 - Swap cables at bottom of PMFX Box
Troubleshoot Element Text
Published
10/19/2023 10:01 AM
9958 - 9869 - Swap SC-770 controller connectors - Decision, Notes: 7236
Troubleshooting Element
Published
10/19/2023 9:38 AM
9957 - Did the fault indication move from the original pillar (for example: DET 5/6 ...
Remark
Published
10/19/2023 9:38 AM
9971 - 9855 - Replace High Voltage Board - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/19/2023 10:19 AM
9970 - 8168 - Did this fix the problem? - Decision, Notes:
Troubleshooting Element
Published
10/19/2023 10:17 AM
9973 - Measure PMFX Box output high voltages
Troubleshoot Element Text
Published
10/19/2023 10:22 AM
9989 - 9988 - Adjust neutron high voltage - Decision, Notes: 9985
Troubleshooting Element
Published
10/19/2023 11:22 AM
9985 - Attempt to adjust neutron high voltage on the neutron HV-448/458 board R1 to ...
Remark
Published
10/19/2023 11:19 AM
9982 - 9978 - Perform Functional Compliance Test - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/19/2023 11:12 AM
9979 - DET-RPM-RAP-RM05, RPM Functional Compliance Test
Remark
Published
10/19/2023 11:11 AM
9981 - 8168 - Did this fix the problem? - Decision, Notes:
Troubleshooting Element
Published
10/19/2023 11:07 AM
9978 - Perform Functional Compliance Test
Troubleshoot Element Text
Published
10/19/2023 11:12 AM
9987 - 9983 - Replace high voltage cable - Decision, Notes: 9984
Troubleshooting Element
Published
10/19/2023 11:19 AM
9984 - Replace the high voltage cable between the SCA-775 module and the PMFX Box
Remark
Published
10/19/2023 11:18 AM
9983 - Replace high voltage cable
Troubleshoot Element Text
Published
10/19/2023 11:17 AM
9988 - Adjust neutron high voltage
Troubleshoot Element Text
Published
10/19/2023 11:20 AM
9990 - Measure PMFX Box input high voltage
Troubleshoot Element Text
Published
10/19/2023 11:23 AM
9963 - 9898 - Reset ULD/LLD - Decision, Notes: 9899
Troubleshooting Element
Published
10/19/2023 10:00 AM
9962 - 2:Neutron>2:Functions>2:DSCR. ADJUST
Remark
Published
10/19/2023 9:57 AM
10651 - Restart RPM
Troubleshoot Element Text
Published
06/28/2024 12:19 PM
9204 - 8997 - AC LED on LD-260 illuminated? - Decision, Notes: 8998
Troubleshooting Element
Published
09/29/2023 8:31 AM
8998 - Is the AC LED on the LD-260 illuminated?
Remark
Published
09/26/2023 11:42 AM
9203 - 9199 - Push firmly on all cabinet doors - Process, Notes: 9200
Troubleshooting Element
Published
09/29/2023 8:29 AM
9200 - Close all RPM cabinet doors.
Remark
Published
09/29/2023 8:28 AM
9201 - While watching the amber fault light on the control pillar, push firmly on th...
Remark
Published
09/29/2023 8:28 AM
9198 - 9196 - Did the amber fault LED on control pillar turn off? - Decision, Notes: 9197
Troubleshooting Element
Published
09/29/2023 8:25 AM
9197 - Did the amber LED turn off while pushing firmly on a door?
Remark
Published
09/29/2023 8:25 AM
9195 - 9192 - Troubleshoot cabinet door - Decision, Notes: 9193
Troubleshooting Element
Published
09/29/2023 8:21 AM
9193 - For the affected door, check tightness of locking mechanism. Door latch mecha...
Remark
Published
09/29/2023 8:17 AM
9152 - Does this clear the tamper?
Remark
Published
09/28/2023 10:43 AM
9139 - 9137 - Repair door tamper switch - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
09/28/2023 10:31 AM
9138 - DET-RPM-RAP-CM31, RPM Tamper Switch Alignment, Replacement, and Repair
Remark
Published
09/28/2023 10:30 AM
9137 - Repair door tamper switch
Troubleshoot Element Text
Published
09/28/2023 10:29 AM
9192 - Troubleshoot cabinet door
Troubleshoot Element Text
Published
09/29/2023 8:15 AM
9191 - 9183 - Identify pillar generating fault - Process, Notes: 9184
Troubleshooting Element
Published
09/29/2023 6:31 AM
9184 - Open control pillar middle door
Remark
Published
09/29/2023 5:54 AM
9114 - Disable the door tamper switch with a magnet (or piece of tape for spring loa...
Remark
Published
09/27/2023 2:08 PM
9185 - measure the tamper signal input voltage to the SC-771 board at: Con...
Remark
Published
09/29/2023 6:04 AM
9190 - Troubleshoot pillar that contains the tamper fault.
Remark
Published
09/29/2023 6:30 AM
9182 - 9177 - Test main tamper circuit - Decision, Notes: 9178
Troubleshooting Element
Published
09/29/2023 5:35 AM
9178 - Move the white tamper signal wire from:
Remark
Published
09/29/2023 5:31 AM
9179 - Control Pillar - TB-2 pin 7 to any green terminal.
Remark
Published
09/29/2023 5:32 AM
9180 - Auxiliary pillar - TB-6 pin 7 to any green terminal.
Remark
Published
09/29/2023 5:34 AM
9181 - Return wire to its original position.
Remark
Published
09/29/2023 5:35 AM
9173 - 9170 - Test cabinet door switch circuit - Decision, Notes: 9171
Troubleshooting Element
Published
09/28/2023 11:05 AM
9171 - Bypass all door tamper switches in the control pillar by placing a jumper acr...
Remark
Published
09/28/2023 11:03 AM
9172 - Bypass all door tamper switches in the Auxiliary pillar by placing a jumper a...
Remark
Published
09/28/2023 11:04 AM
9165 - Remove jumper.
Remark
Published
09/28/2023 10:56 AM
9169 - 9167 - Bypass each door tamper switch - Decision, Notes: 9168
Troubleshooting Element
Published
09/28/2023 11:01 AM
9168 - For each tamper switch in the pillar:
Remark
Published
09/28/2023 10:59 AM
9159 - Disconnect the connectors
Remark
Published
09/28/2023 10:49 AM
9160 - Place a jumper across the circuit to bypass the tamper switch.
Remark
Published
09/28/2023 10:50 AM
9148 - 9144 - Troubleshoot Molex connector - Decision, Notes: 9145
Troubleshooting Element
Published
09/28/2023 10:38 AM
9145 - Disconnect Molex connector
Remark
Published
09/28/2023 10:36 AM
9146 - Place a jumper across the circuit to bypass the connector
Remark
Published
09/28/2023 10:37 AM
9147 - Does this clear the fault?
Remark
Published
09/28/2023 10:38 AM
9143 - 9140 - Remove Molex Connector - Process, Notes: 9141
Troubleshooting Element
Published
09/28/2023 10:34 AM
9141 - Remove Molex connector from the circuit.
Remark
Published
09/28/2023 10:33 AM
9142 - Splice the wires back together.
Remark
Published
09/28/2023 10:34 AM
9140 - Remove Molex Connector
Troubleshoot Element Text
Published
09/28/2023 10:32 AM
9136 - 545 - Contact Technical Support - Incomplete, Notes: 9135
Troubleshooting Element
Published
09/28/2023 10:27 AM
9135 - There is a chance that the fault is one of the wires or terminal blocks
Remark
Published
09/28/2023 10:27 AM
9144 - Troubleshoot Molex connector
Troubleshoot Element Text
Published
09/28/2023 10:34 AM
9167 - Bypass each door tamper switch
Troubleshoot Element Text
Published
09/28/2023 10:58 AM
9166 - 9163 - Test utility panel switch circuit - Decision, Notes: 9164
Troubleshooting Element
Published
09/28/2023 10:56 AM
9164 - Bypass the utility panel door switch by placing a jumper across control pilla...
Remark
Published
09/28/2023 10:55 AM
9162 - 9157 - Bypass utility panel tamper switch - Process, Notes: 9158
Troubleshooting Element
Published
09/28/2023 10:51 AM
9158 - For utility panel tamper switch:
Remark
Published
09/28/2023 10:48 AM
9161 - If this clears the fault, verify magnet/switch position and alignment are cor...
Remark
Published
09/28/2023 10:51 AM
9157 - Bypass utility panel tamper switch
Troubleshoot Element Text
Published
09/28/2023 10:48 AM
9156 - 9154 - Bypass LD-260 loss of AC circuit - Decision, Notes: 9155
Troubleshooting Element
Published
09/28/2023 10:47 AM
9155 - In the control pillar, place a jumper between TB-2 pin 9 and ground.
Remark
Published
09/28/2023 10:47 AM
9153 - 9149 - Troubleshoot LD-260 - Decision, Notes: 9150
Troubleshooting Element
Published
09/28/2023 10:44 AM
9150 - Disconnect 6 pin Molex connector J2
Remark
Published
09/28/2023 10:42 AM
9151 - Place a jumper between pin 4 and 6 on the Molex connector
Remark
Published
09/28/2023 10:43 AM
9149 - Troubleshoot LD-260
Troubleshoot Element Text
Published
09/28/2023 10:41 AM
9154 - Bypass LD-260 loss of AC circuit
Troubleshoot Element Text
Published
09/28/2023 10:45 AM
9163 - Test utility panel switch circuit
Troubleshoot Element Text
Published
09/28/2023 10:53 AM
9170 - Test cabinet door switch circuit
Troubleshoot Element Text
Published
09/28/2023 11:02 AM
9177 - Test main tamper circuit
Troubleshoot Element Text
Published
09/29/2023 5:30 AM
9183 - Identify pillar generating fault
Troubleshoot Element Text
Published
09/29/2023 5:42 AM
9196 - Did the amber fault LED on control pillar turn off?
Troubleshoot Element Text
Published
09/29/2023 8:25 AM
9199 - Push firmly on all cabinet doors
Troubleshoot Element Text
Published
09/29/2023 8:27 AM
9005 - 8997 - AC LED on LD-260 illuminated? - Decision, Notes: 8998
Troubleshooting Element
Published
06/04/2025 3:18 PM
8980 - 8975 - Adjust output voltage to +14.6 VDC - Decision, Notes: 9041
Troubleshooting Element
Published
06/03/2025 12:44 PM
8976 - Measure the output of the +15 VDC power supply.
Remark
Published
09/26/2023 10:52 AM
8977 - The optimal output voltage is +14.6 VDC.
Remark
Published
09/26/2023 10:53 AM
8978 - Attempt to adjust the output voltage from the +15 VDC power supply using the ...
Remark
Published
09/26/2023 10:53 AM
8979 - Were you able to adjust the voltage?
Remark
Published
09/26/2023 10:54 AM
9083 - 8997 - Start - Begin, Notes:
Troubleshooting Element
Published
09/27/2023 10:33 AM
8999 - 8997 - AC LED on LD-260 illuminated? - Decision, Notes: 8998
Troubleshooting Element
Published
09/26/2023 11:42 AM
8996 - 8994 - 120/240 VAC present? - Process, Notes: 8982
Troubleshooting Element
Published
09/26/2023 11:33 AM
8982 - Using a digital multimeter in AC mode
Remark
Published
09/26/2023 11:09 AM
8995 - measure the voltage potential between the bottom terminal of the AC input bre...
Remark
Published
09/26/2023 11:33 AM
8985 - Is 120/240 VAC present?
Remark
Published
09/26/2023 11:10 AM
8987 - 8981 - 120/240 VAC present at power supply? - Decision, Notes: 8982
Troubleshooting Element
Published
09/26/2023 11:11 AM
8983 - Measure the AC voltage at the input to the 15 VDC power supply
Remark
Published
09/26/2023 11:09 AM
8984 - A plexiglas cover may have to be removed to perform this measurement
Remark
Published
09/26/2023 11:10 AM
8873 - 8869 - Inspect Wiring/Connections/Breaker - Process, Notes: 8870
Troubleshooting Element
Published
09/25/2023 1:53 PM
8870 - Verify 120/240 VAC is present at AC breaker output
Remark
Published
09/25/2023 1:51 PM
8871 - Inspect the wiring and connection between AC breaker and input to +15 VDC pow...
Remark
Published
09/25/2023 1:52 PM
8872 - Check the input and output sides of the AC Line filter if installed.
Remark
Published
09/25/2023 1:53 PM
8869 - Inspect Wiring/Connections/Breaker
Troubleshoot Element Text
Published
09/25/2023 1:44 PM
8981 - 120/240 VAC present at power supply?
Troubleshoot Element Text
Published
09/26/2023 10:59 AM
8992 - 8988 - Contact Facilities - Incomplete, Notes: 8989
Troubleshooting Element
Published
06/05/2025 2:31 PM
8989 - If 120/240 VAC is not present at the supply side of the RPM input breaker, th...
Remark
Published
06/05/2025 9:59 AM
8990 - If the AC power is supplied from an NSDD-installed lane side utility panel, b...
Remark
Published
09/26/2023 11:16 AM
8991 - If the AC power is supplied from site power, contact the organization respons...
Remark
Published
09/26/2023 11:16 AM
8988 - Contact Facilities
Troubleshoot Element Text
Published
09/26/2023 11:14 AM
8994 - 120/240 VAC present?
Troubleshoot Element Text
Published
09/26/2023 11:31 AM
8997 - Start
Troubleshoot Element Text
Published
09/26/2023 11:41 AM
8868 - 8866 - Any Voltage Present? - Decision, Notes: 8867
Troubleshooting Element
Published
09/25/2023 1:38 PM
8867 - Is there any output voltage present from the +15 VDC power supply?
Remark
Published
09/25/2023 1:37 PM
8863 - 8170 - Replace the +15 VDC Power Supply - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
09/25/2023 1:03 PM
9010 - DET-RPM-RAP-CM26, +15 VDC Power Supply Replacement
Remark
Published
09/26/2023 1:34 PM
8172 - 8170 - Replace the +15 VDC Power Supply - Formal Procedure, Notes: 8171
Troubleshooting Element
Published
08/25/2023 12:09 PM
8171 - Perform the following procedure: DET-RPM-RAP-CM26, +15 VDC Powe...
Remark
Published
08/25/2023 12:09 PM
8170 - Replace the +15 VDC Power Supply
Troubleshoot Element Text
Published
08/25/2023 12:05 PM
8864 - 8859 - Replace the 15 VDC Power Supply Fuse - Decision, Notes: 8860
Troubleshooting Element
Published
06/05/2025 1:27 PM
8860 - Replace +15 VDC power supply fuse.
Remark
Published
09/25/2023 1:21 PM
8859 - Replace the 15 VDC Power Supply Fuse
Troubleshoot Element Text
Published
09/25/2023 1:19 PM
8866 - Any Voltage Present?
Troubleshoot Element Text
Published
09/25/2023 1:36 PM
8975 - Adjust output voltage to +14.6 VDC
Troubleshoot Element Text
Published
09/26/2023 10:49 AM
9004 - 9000 - AC LED on LD-260 illuminated? - Decision, Notes: 8998
Troubleshooting Element
Published
06/05/2025 2:46 AM
11477 - 11476 - Turn RPM Circuit Breaker ON - Process, Notes: 11485
Troubleshooting Element
Published
06/05/2025 9:41 AM
11485 - The AC circuit breaker might be tripped. 
Remark
Published
06/05/2025 9:33 AM
11486 - Reset the breaker at the bottom of the RPM control pillar.
Remark
Published
06/05/2025 9:34 AM
11476 - Turn RPM Circuit Breaker ON
Troubleshoot Element Text
Published
06/05/2025 3:30 AM
9000 - AC LED on LD-260 illuminated?
Troubleshoot Element Text
Published
09/26/2023 11:43 AM
10081 - 10079 - Alarm and Fault Indications Constantly on? - Decision, Notes: 10080
Troubleshooting Element
Published
10/20/2023 7:39 AM
10080 - Are any LEDs, strobes, or siren on the control pillar constantly on?
Remark
Published
10/20/2023 7:39 AM
10075 - 10076 - Disconnect GPRB Input - Decision, Notes: 10077
Troubleshooting Element
Published
10/20/2023 7:32 AM
10077 - Disconnect the J1 connector on the General Purpose Relay Board (GPRB).
Remark
Published
10/20/2023 7:33 AM
10074 - Did alarm/fault indications stop when input was disconnected?
Remark
Published
10/20/2023 7:32 AM
10053 - 10047 - Replace GPRB - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/20/2023 6:32 AM
10048 - DET-RPM-RAP-CM24, RPM GPRB-756 General Purpose Relay Board Replacement.
Remark
Published
10/20/2023 6:32 AM
10047 - Replace GPRB
Troubleshoot Element Text
Published
10/20/2023 6:31 AM
10076 - Disconnect GPRB Input
Troubleshoot Element Text
Published
10/20/2023 7:33 AM
10072 - 10069 - “RELAY OUTPUT” parameter “ON”? - Decision, Notes: 10070
Troubleshooting Element
Published
10/20/2023 7:29 AM
10070 - Is the RELAY OUTPUT parameter setting in the SC-770 on?
Remark
Published
10/20/2023 7:27 AM
10071 - 1:Gamma>2:Functions>5:RELAY OUTPUT
Remark
Published
10/20/2023 7:28 AM
10065 - 10062 - Alarm/Fault Condition on Controller - Decision, Notes: 10063
Troubleshooting Element
Published
10/20/2023 7:10 AM
10063 - Generate the alarm/fault condition (GA, NA, GH, GL, NH, TAMPER) in question p...
Remark
Published
10/20/2023 7:10 AM
10064 - Is the alarm/fault condition indicated on the SC-770 controller display? ...
Remark
Published
10/20/2023 7:10 AM
10061 - 10060 - Alarm/Fault indication functioning properly? - Decision, Notes:
Troubleshooting Element
Published
10/20/2023 7:07 AM
10059 - 10057 - GPRB output voltages correct? - Decision, Notes: 10058
Troubleshooting Element
Published
10/20/2023 7:05 AM
10058 - With the alarm/fault condition in question indicated on the SC-770 controller...
Remark
Published
10/20/2023 7:02 AM
10052 - 9025 - Possible Component Failure - Decision, Notes: 10049
Troubleshooting Element
Published
10/20/2023 6:30 AM
10049 - Consult block diagrams and full schematics in the drawings section of the RPM...
Remark
Published
10/20/2023 6:30 AM
9025 - Possible Component Failure
Troubleshoot Element Text
Published
09/26/2023 2:03 PM
10056 - 10054 - GPRB input voltages correct? - Decision, Notes: 10055
Troubleshooting Element
Published
10/20/2023 6:40 AM
10055 - With the alarm/fault condition in question indicated on the SC-770 controller...
Remark
Published
10/20/2023 6:40 AM
10054 - GPRB input voltages correct?
Troubleshoot Element Text
Published
10/20/2023 6:37 AM
10057 - GPRB output voltages correct?
Troubleshoot Element Text
Published
10/20/2023 6:41 AM
10060 - Alarm/Fault indication functioning properly?
Troubleshoot Element Text
Published
10/20/2023 7:06 AM
10051 - 10050 - What Alarm/Fault is being generated? - Decision, Notes:
Troubleshooting Element
Published
10/20/2023 6:27 AM
10050 - What Alarm/Fault is being generated?
Troubleshoot Element Text
Published
10/20/2023 6:25 AM
10062 - Alarm/Fault Condition on Controller
Troubleshoot Element Text
Published
10/20/2023 7:09 AM
10068 - 10066 - Turn RELAY OUTPUT “ON” - Process, Notes: 10067
Troubleshooting Element
Published
10/20/2023 7:21 AM
10067 - Press “1” on the controller to toggle RELAY OUTPUT “ON”.
Remark
Published
10/20/2023 7:20 AM
10066 - Turn RELAY OUTPUT “ON”
Troubleshoot Element Text
Published
10/20/2023 7:14 AM
10069 - “RELAY OUTPUT” parameter “ON”?
Troubleshoot Element Text
Published
10/20/2023 7:22 AM
10079 - Alarm and Fault Indications Constantly on?
Troubleshoot Element Text
Published
10/20/2023 7:38 AM
10082 - What is on the SC-770 controller display?
Troubleshoot Element Text
Published
10/20/2023 7:42 AM
10649 - Amber Fault LED illuminated on the Control Pillar
Troubleshoot Symptom
Published
06/28/2024 8:29 AM
8804 - 120/240 VAC Power Distribution
TS Flowchart
Published
06/05/2025 4:06 PM
11474 - 8997 - Start - Begin, Notes:
Troubleshooting Element
Published
06/05/2025 2:52 AM
11479 - 11478 - Adjust Output Voltage to 15VDC - Process, Notes: 11488
Troubleshooting Element
Published
06/05/2025 3:45 AM
11488 - Measure the output voltage on the power supply using a digital multimeter.&nb...
Remark
Published
06/05/2025 9:48 AM
11489 - Adjust the output as needed using the potentiometer near the AC/DC terminals....
Remark
Published
06/05/2025 9:47 AM
11478 - Adjust Output Voltage to 15VDC
Troubleshoot Element Text
Published
06/05/2025 3:42 AM
11481 - 9000 - AC LED on LD-260 illuminated? - Decision, Notes:
Troubleshooting Element
Published
06/05/2025 3:50 AM
7005 - 546 - Done - Complete, Notes: 547
Troubleshooting Element
Published
01/16/2023 2:36 PM
11483 - 11482 - Is AC power present? - Decision, Notes: 8982
Troubleshooting Element
Published
06/05/2025 3:55 AM
11490 - Place red lead on AC circuit breaker input.
Remark
Published
06/05/2025 9:55 AM
11491 - Place black lead on AC neutral.
Remark
Published
06/05/2025 9:56 AM
11501 - 11500 - Measure 15 VDC Power Supply Input - Process, Notes: 8982
Troubleshooting Element
Published
06/05/2025 11:07 AM
11500 - Measure 15 VDC Power Supply Input
Troubleshoot Element Text
Published
06/05/2025 11:06 AM
11482 - Is AC power present?
Troubleshoot Element Text
Published
06/05/2025 3:55 AM
11502 - 11500 - Measure 15 VDC Power Supply Input - Decision, Notes: 8982
Troubleshooting Element
Published
06/05/2025 11:12 AM
11505 - 9019 - Inspect Wiring - Process, Notes: 8982
Troubleshooting Element
Published
06/05/2025 12:01 PM
11498 - Verify 120/240 VAC is present at the AC breaker output. 
Remark
Published
06/05/2025 10:51 AM
11494 - Inspect wiring and connections between the AC breaker and the 15 VDC power su...
Remark
Published
06/05/2025 10:23 AM
11495 - Check both input and output sides of the AC line filter, if installed. 
Remark
Published
06/05/2025 10:24 AM
11504 - 11503 - Was a Change Made? - Decision, Notes:
Troubleshooting Element
Published
06/05/2025 12:02 PM
11503 - Was a Change Made?
Troubleshoot Element Text
Published
06/05/2025 12:01 PM
9019 - Inspect Wiring
Troubleshoot Element Text
Published
09/26/2023 1:48 PM
11506 - 11503 - Was a Change Made? - Process, Notes: 11515
Troubleshooting Element
Published
06/05/2025 12:07 PM
11515 - This includes anything that was replaced, secured, reinsert...
Remark
Published
06/05/2025 2:35 PM
11511 - 11508 - Did Voltage Adjust? - Decision, Notes:
Troubleshooting Element
Published
06/05/2025 1:18 PM
9066 - 9032 - PWR ON LED on the LD-260 illuminated? - Decision, Notes: 9033
Troubleshooting Element
Published
09/27/2023 9:44 AM
9065 - 11523 - Measure 15 VDC at terminal block 1 (TB1) - Decision, Notes: 9041
Troubleshooting Element
Published
06/06/2025 1:01 AM
9064 - Pins 4, 5, and 6 are associated grounds. 
Remark
Published
09/27/2023 9:36 AM
11532 - 11524 - Voltage close to 15 VDC? - Decision, Notes:
Troubleshooting Element
Published
06/06/2025 1:29 AM
11528 - 11526 - DC power distribution trace - Incomplete, Notes: 11527
Troubleshooting Element
Published
06/06/2025 1:19 AM
11527 - You will have to trace the DC power distribution between terminal block and c...
Remark
Published
06/06/2025 1:19 AM
11526 - DC power distribution trace
Troubleshoot Element Text
Published
06/06/2025 1:17 AM
11531 - 11529 - Inspect output power - Incomplete, Notes: 11530
Troubleshooting Element
Published
06/06/2025 1:28 AM
11530 - Measure the 15 VDC output of the LD-260 across J4 pin 4 and 5. 
Remark
Published
06/06/2025 1:28 AM
11529 - Inspect output power
Troubleshoot Element Text
Published
06/06/2025 1:21 AM
11524 - Voltage close to 15 VDC?
Troubleshoot Element Text
Published
06/06/2025 1:04 AM
11523 - Measure 15 VDC at terminal block 1 (TB1)
Troubleshoot Element Text
Published
06/06/2025 12:55 AM
9070 - 9067 - 15 VDC at J3 Molex? - Decision, Notes: 9068
Troubleshooting Element
Published
09/27/2023 9:55 AM
9068 - Disconnect LD-260 Molex J3 connector
Remark
Published
09/27/2023 9:53 AM
9069 - measure the voltage between pin 2 and 3
Remark
Published
09/27/2023 9:55 AM
9043 - Is there approximately +15 VDC present?
Remark
Published
09/27/2023 6:07 AM
9082 - 9078 - Inspect LD-260 Molex J3 Connector - Decision, Notes: 9079
Troubleshooting Element
Published
09/27/2023 10:27 AM
9079 - Disconnect LD-260 Molex J3 connector
Remark
Published
09/27/2023 10:25 AM
9080 - Inspect the J3 connector for signs of electrical damage, including overheatin...
Remark
Published
06/06/2025 3:10 AM
11536 - Does the connector J3 look damaged?
Remark
Published
06/06/2025 2:49 AM
11537 -
Remark
Published
06/06/2025 2:49 AM
9077 - 9073 - Replace J3 Molex Connector - Process, Notes: 9046
Troubleshooting Element
Published
09/27/2023 10:19 AM
9074 - Replace J3 Molex Connector from spare parts.
Remark
Published
09/27/2023 10:13 AM
9075 - Reconnect J3 Molex connector to LD-260.
Remark
Published
09/27/2023 10:16 AM
9076 - Turn on power to the RPM at the AC input breaker
Remark
Published
09/27/2023 10:17 AM
9073 - Replace J3 Molex Connector
Troubleshoot Element Text
Published
09/27/2023 10:08 AM
9078 - Inspect LD-260 Molex J3 Connector
Troubleshoot Element Text
Published
09/27/2023 10:21 AM
9067 - 15 VDC at J3 Molex?
Troubleshoot Element Text
Published
09/27/2023 9:50 AM
11508 - Did Voltage Adjust?
Troubleshoot Element Text
Published
06/05/2025 12:41 PM
11512 - 8866 - Any Voltage Present? - Decision, Notes:
Troubleshooting Element
Published
06/05/2025 1:31 PM
11278 - Screen on SC-770 controller is blank
Troubleshoot Symptom
Published
10/14/2024 10:33 AM
11283 - AC LED on LD-260 not illuminated
Troubleshoot Symptom
Published
10/14/2024 10:34 AM
8805 - +15 VDC Power Distribution
TS Flowchart
Published
06/06/2025 3:24 AM
11520 - 9000 - AC LED on LD-260 illuminated? - Decision, Notes: 8998
Troubleshooting Element
Published
06/05/2025 6:04 PM
11535 - 9067 - 15 VDC at J3 Molex? - Decision, Notes: 11534
Troubleshooting Element
Published
06/06/2025 2:42 AM
11534 - Measure the output voltage on connector J3 pin1 (red) and pin 3 (black)
Remark
Published
06/06/2025 3:05 AM
11533 - 11524 - Voltage close to 15 VDC? - Decision, Notes:
Troubleshooting Element
Published
06/06/2025 1:32 AM
11282 - No direct current voltage to one or more components
Troubleshoot Symptom
Published
10/14/2024 10:36 AM
11281 - Battery voltage less than +10.6 VDC
Troubleshoot Symptom
Published
10/14/2024 10:44 AM
8806 - Communications and Control
TS Flowchart
Published
06/13/2025 5:24 PM
10046 - 7198 - Is the SC-770 display on? - Decision, Notes: 10045
Troubleshooting Element
Published
10/19/2023 1:01 PM
10045 - Does the LCD screen on the SC-770 controller display anything?
Remark
Published
10/19/2023 1:01 PM
10041 - 10651 - Restart RPM - Process, Notes: 9946
Troubleshooting Element
Published
06/28/2024 12:19 PM
10040 - 10038 - Was the POST Successful? - Decision, Notes: 10039
Troubleshooting Element
Published
10/19/2023 12:48 PM
10039 - During “normal” operation, the SC-770 controller will display date, time,...
Remark
Published
10/19/2023 12:48 PM
10034 - 10004 - SC-770 communicating with CAS? - Decision, Notes: 10005
Troubleshooting Element
Published
10/19/2023 12:36 PM
10005 - Verify that the CAS is communicating with the RPM on the CAS status of health...
Remark
Published
10/19/2023 11:50 AM
11545 - 11543 - Enable PROFILING - Process, Notes: 11544
Troubleshooting Element
Published
06/09/2025 11:45 AM
11544 - Press #
Remark
Published
06/09/2025 11:45 AM
11546 - 11540 - Set network address - Process, Notes: 11541
Troubleshooting Element
Published
06/09/2025 11:49 AM
11541 - Press #
Remark
Published
06/09/2025 11:49 AM
10006 - 10004 - SC-770 communicating with CAS? - Decision, Notes: 10005
Troubleshooting Element
Published
10/19/2023 11:50 AM
RPM SC-770 Controller Module Replacement
Document
Published
06/17/2025 1:42 AM
10004 - SC-770 communicating with CAS?
Troubleshoot Element Text
Published
10/19/2023 11:48 AM
11540 - Set network address
Troubleshoot Element Text
Published
06/09/2025 11:45 AM
11543 - Enable PROFILING
Troubleshoot Element Text
Published
06/09/2025 11:42 AM
10037 - 10035 - Troubleshoot Battery - Decision, Notes: 10036
Troubleshooting Element
Published
10/19/2023 12:45 PM
10036 - A failing battery can cause an incomplete POST and/or the SC-770 to display V...
Remark
Published
10/19/2023 12:40 PM
10003 - 10001 - Complete a Battery Load Test - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/19/2023 11:47 AM
10002 - DET-RPM-RAP-RM04, RPM +12 VDC Battery Load Test
Remark
Published
10/19/2023 11:47 AM
10001 - Complete a Battery Load Test
Troubleshoot Element Text
Published
10/19/2023 11:45 AM
10035 - Troubleshoot Battery
Troubleshoot Element Text
Published
10/19/2023 12:39 PM
10038 - Was the POST Successful?
Troubleshoot Element Text
Published
10/19/2023 12:47 PM
10044 - 10042 - Verify 15 VDC to SC-770 contrller - Decision, Notes: 9946
Troubleshooting Element
Published
10/19/2023 12:57 PM
8118 - Verify the PWR ON and AC LED on the LD-260 is illuminated.
Remark
Published
06/09/2025 10:53 AM
10043 - Verify that +15 VDC is available to the SC-770 controller: ...
Remark
Published
10/19/2023 12:57 PM
11539 - 11538 - 15 VDC present? - Decision, Notes:
Troubleshooting Element
Published
06/09/2025 11:01 AM
11538 - 15 VDC present?
Troubleshoot Element Text
Published
06/09/2025 10:58 AM
10042 - Verify 15 VDC to SC-770 contrller
Troubleshoot Element Text
Published
10/19/2023 12:53 PM
7198 - Is the SC-770 display on?
Troubleshoot Element Text
Published
03/31/2023 3:53 PM
11548 - 10004 - SC-770 communicating with CAS? - Decision, Notes:
Troubleshooting Element
Published
06/09/2025 12:12 PM
10023 - 10021 - Inspect Ethernet Connectors - Process, Notes: 10022
Troubleshooting Element
Published
10/19/2023 12:14 PM
10022 - Inspect all ethernet cable connections in the RPM cabinet, especially the eth...
Remark
Published
10/19/2023 12:14 PM
10020 - 10017 - Verify ethernet output - Process, Notes: 10018
Troubleshooting Element
Published
10/19/2023 12:04 PM
10018 - Connect NMT to SC-770 output and use the Data Capture feature and verify a da...
Remark
Published
10/19/2023 12:03 PM
10019 - If the GarrettCom Ethernet to Fiber converter is being used: Connect N...
Remark
Published
10/19/2023 12:03 PM
10016 - 10004 - SC-770 communicating with CAS? - Decision, Notes: 10005
Troubleshooting Element
Published
10/19/2023 11:57 AM
10015 - 10013 - Re-Flash Rabbit board firmware - Decision, Notes: 10014
Troubleshooting Element
Published
10/19/2023 11:56 AM
10014 - Do you have the knowledge and ability to re-flash the rabbit board?
Remark
Published
10/19/2023 11:56 AM
10012 - 10010 - Re-Flash Rabbit board - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/19/2023 11:54 AM
10011 - DET-RPM-RAP-CM02, SC-770 Rabbit Board Firmware Update
Remark
Published
10/19/2023 11:54 AM
10010 - Re-Flash Rabbit board
Troubleshoot Element Text
Published
10/19/2023 11:53 AM
10009 - 11559 - SC-770 Controller Module Replacement - Formal Procedure, Notes:
Troubleshooting Element
Published
10/19/2023 11:52 AM
11559 - SC-770 Controller Module Replacement
Troubleshoot Element Text
Published
06/13/2025 5:16 PM
10013 - Re-Flash Rabbit board firmware
Troubleshoot Element Text
Published
10/19/2023 11:55 AM
10017 - Verify ethernet output
Troubleshoot Element Text
Published
10/19/2023 12:04 PM
10021 - Inspect Ethernet Connectors
Troubleshoot Element Text
Published
10/19/2023 12:13 PM
11560 - 10004 - SC-770 communicating with CAS? - Decision, Notes:
Troubleshooting Element
Published
06/13/2025 5:24 PM
11280 - RPM Fault on CAS interface
Troubleshoot Symptom
Published
10/14/2024 10:49 AM
11279 - RPM alarms and fault not appearing on CAS interface
Troubleshoot Symptom
Published
10/14/2024 10:50 AM
11286 - No RPM data on CAS interface
Troubleshoot Symptom
Published
10/14/2024 10:53 AM
8807 - Radiation Detection - Gamma
TS Flowchart
Published
10/19/2023 8:52 AM
11285 - Local gamma alarm indication on every occupancy
Troubleshoot Symptom
Published
10/14/2024 10:53 AM
11284 - Gamma alarm rate higher than normal
Troubleshoot Symptom
Published
10/14/2024 10:54 AM
8808 - Radiation Detection - Neutron
TS Flowchart
Published
10/19/2023 11:40 AM
9972 - 9953 - Replace PMFX Box - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/19/2023 10:20 AM
11288 - Local neutron alarm indication on every occupancy
Troubleshoot Symptom
Published
10/14/2024 10:54 AM
11287 - Neutron alarm rates higher than normal
Troubleshoot Symptom
Published
10/14/2024 10:55 AM
8811 - Vehicle and Rail Monitor Constant Occupancy
TS Flowchart
Published
02/21/2024 10:48 AM
10086 - 10084 - Replace Banner IR Occupancy Sensor - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/20/2023 9:02 AM
10085 - DET-RPM-RAP-CM14, RPM Banner IR Occupancy Sensor Replacement
Remark
Published
10/20/2023 9:02 AM
10084 - Replace Banner IR Occupancy Sensor
Troubleshoot Element Text
Published
10/20/2023 8:59 AM
10092 - 10087 - Troubleshoot control pillar - Decision, Notes: 10088
Troubleshooting Element
Published
10/20/2023 9:21 AM
10088 - In the control pillar, reconnect the green occupancy signal wire at TB2 pin 6...
Remark
Published
10/20/2023 9:13 AM
10089 - Verify Banner IR “receivers” are installed in the control pillar V...
Remark
Published
10/20/2023 9:18 AM
10090 - Does the occupancy clear correctly for each IR Sensor?
Remark
Published
10/20/2023 9:20 AM
10087 - Troubleshoot control pillar
Troubleshoot Element Text
Published
10/20/2023 9:11 AM
10095 - 10093 - Replace Nanocontroller - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/20/2023 9:25 AM
10094 - DET-RPM-RAP-CM11, RPM Nanocontroller Replacement.
Remark
Published
10/20/2023 9:25 AM
10093 - Replace Nanocontroller
Troubleshoot Element Text
Published
10/20/2023 9:23 AM
10099 - 10096 - OUT LEDs on Nanocontroller illuminated? - Decision, Notes: 10097
Troubleshooting Element
Published
10/20/2023 9:28 AM
10097 - Examine the Nanocontroller LED indicators.
Remark
Published
10/20/2023 9:28 AM
10098 - Are any OUT LEDs Illuminated?
Remark
Published
10/20/2023 9:28 AM
10096 - OUT LEDs on Nanocontroller illuminated?
Troubleshoot Element Text
Published
10/20/2023 9:27 AM
10102 - 10100 - Replace Occupancy Sensor - Process, Notes: 10101
Troubleshooting Element
Published
10/20/2023 9:32 AM
10101 - If Senix Ultrasonic sensor installed - Perform DET-RPM-RAP-CMXX, RPM Senix Ul...
Remark
Published
10/20/2023 9:32 AM
10100 - Replace Occupancy Sensor
Troubleshoot Element Text
Published
10/20/2023 9:31 AM
10106 - 10103 - Troubleshoot auxiliary pillar - Decision, Notes: 10104
Troubleshooting Element
Published
10/20/2023 9:37 AM
10104 - In the auxiliary pillar, reconnect the green occupancy signal wire at TB6 pin...
Remark
Published
10/20/2023 9:35 AM
10105 - Open the cabinet door with the occupancy sensor installed on it
Remark
Published
10/20/2023 9:36 AM
7311 - Use a magnet to disable tamper switches for all open doors. Use adhesive tape...
Remark
Published
05/01/2023 8:52 AM
9108 - Verify the area in front of the sensor is clear of people and obstacles
Remark
Published
09/27/2023 2:00 PM
9109 - Does the SC-770 display show OCCUPIED?
Remark
Published
09/27/2023 2:01 PM
10103 - Troubleshoot auxiliary pillar
Troubleshoot Element Text
Published
10/20/2023 9:34 AM
10107 - 8168 - Did this fix the problem? - Decision, Notes:
Troubleshooting Element
Published
10/20/2023 9:39 AM
10108 - 9096 - Replace SCA-774 Board - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/20/2023 9:41 AM
10110 - 9121 - Measure occupancy input voltage - Decision, Notes: 9041
Troubleshooting Element
Published
10/20/2023 9:46 AM
10109 - measure the occupancy signal output voltage from the Auxilliary pilla...
Remark
Published
10/20/2023 9:45 AM
9102 - What is the measured voltage?
Remark
Published
09/27/2023 1:39 PM
10122 - 9113 - Establish Initial conditions - Process, Notes: 9115
Troubleshooting Element
Published
10/20/2023 10:28 AM
9115 - Verify RPM is ON
Remark
Published
09/27/2023 2:09 PM
10120 - Disconnect the cables to the two Banner IR barrel receivers in the control pi...
Remark
Published
10/20/2023 10:27 AM
10121 - Disable occupancy sensor by disconnecting green wire on: Co...
Remark
Published
10/20/2023 10:28 AM
10119 - 9111 - OCCUPIED on SC-770 Controller? - Decision, Notes: 9109
Troubleshooting Element
Published
10/20/2023 10:25 AM
10116 - 9099 - Measure occupancy output voltage - Decision, Notes: 9041
Troubleshooting Element
Published
10/20/2023 10:20 AM
9100 - measure the occupancy signal output voltage from the Control...
Remark
Published
09/27/2023 1:36 PM
10115 - 9121 - Measure occupancy input voltage - Decision, Notes: 9041
Troubleshooting Element
Published
10/20/2023 10:17 AM
9122 - measure the occupancy signal input voltage to the Control pi...
Remark
Published
09/28/2023 5:46 AM
10118 - 9096 - Replace SCA-774 Board - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
10/20/2023 10:23 AM
10117 - 8168 - Did this fix the problem? - Decision, Notes:
Troubleshooting Element
Published
10/20/2023 10:22 AM
10114 - 9121 - Measure occupancy input voltage - Decision, Notes: 9041
Troubleshooting Element
Published
10/20/2023 10:11 AM
10113 - measure the occupancy signal input voltage from the Auxiliary
Remark
Published
10/20/2023 10:10 AM
10112 - 9099 - Measure occupancy output voltage - Decision, Notes: 9041
Troubleshooting Element
Published
10/20/2023 10:06 AM
10111 - measure the occupancy signal output voltage from the Auxilliary
Remark
Published
10/20/2023 10:06 AM
9121 - Measure occupancy input voltage
Troubleshoot Element Text
Published
09/28/2023 5:41 AM
9099 - Measure occupancy output voltage
Troubleshoot Element Text
Published
09/27/2023 1:21 PM
9111 - OCCUPIED on SC-770 Controller?
Troubleshoot Element Text
Published
09/27/2023 2:03 PM
9113 - Establish Initial conditions
Troubleshoot Element Text
Published
09/27/2023 2:07 PM
11295 - RPM constant occupancy state
Troubleshoot Symptom
Published
10/14/2024 10:57 AM
8812 - Vehicle and Rail Monitor Will Not Occupy
TS Flowchart
Published
02/21/2024 12:11 PM
10561 - 8168 - Did this fix the problem? - Decision, Notes: 9109
Troubleshooting Element
Published
02/21/2024 8:24 AM
10562 - 9093 - Replace SC-771 Controller Board - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
02/21/2024 8:32 AM
10563 - 9096 - Replace SCA-774 Board - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
02/21/2024 8:34 AM
10564 - 10093 - Replace Nanocontroller - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
02/21/2024 8:35 AM
10569 - 10565 - Are Nanocontroller input voltages correct? - Decision, Notes: 10566
Troubleshooting Element
Published
02/21/2024 8:48 AM
10566 - When occupied, voltages should be +15 VDC
Remark
Published
02/21/2024 8:45 AM
10567 - Measure the voltages at the Nanocontroller inputs I1 and I2
Remark
Published
02/21/2024 8:46 AM
10568 - Are both input voltages +15 VDC?
Remark
Published
02/21/2024 8:48 AM
10565 - Are Nanocontroller input voltages correct?
Troubleshoot Element Text
Published
02/21/2024 8:40 AM
10573 - 10570 - +15 VDC present at IR sensors? - Decision, Notes: 9041
Troubleshooting Element
Published
02/21/2024 8:59 AM
10571 - Verify +15 VDC is applied to all sensors: Vehicle Monitor:
Remark
Published
02/21/2024 8:59 AM
10572 - Is +15 VDC present at all sensors?
Remark
Published
02/21/2024 8:59 AM
10570 - +15 VDC present at IR sensors?
Troubleshoot Element Text
Published
02/21/2024 8:52 AM
10575 - 9121 - Measure occupancy input voltage - Decision, Notes: 9041
Troubleshooting Element
Published
02/21/2024 9:11 AM
10574 - Measure the occupancy signal input voltage from the control pillar&nb...
Remark
Published
02/21/2024 9:10 AM
10589 - 9113 - Establish Initial conditions - Process, Notes: 9115
Troubleshooting Element
Published
02/21/2024 10:18 AM
10587 - Initiate an OCCUPIED condition by: Vehicle M...
Remark
Published
02/21/2024 10:15 AM
10588 - Verify the SC-770 controller displays OCCUPIED.
Remark
Published
04/13/2025 5:27 PM
10586 - 10584 - PWR LED on Nanocontroller Illuminated? - Decision, Notes: 10097
Troubleshooting Element
Published
02/21/2024 10:11 AM
10585 - Is the PWR LED Illuminated?
Remark
Published
02/21/2024 10:11 AM
10583 - 10581 - RUN and OK LEDs Illuminated? - Decision, Notes: 10097
Troubleshooting Element
Published
02/21/2024 10:07 AM
10582 - Are both the OK and RUN LEDs Illuminated?
Remark
Published
02/21/2024 10:07 AM
10580 - 10578 - Both IN LEDs Illuminated? - Decision, Notes: 10097
Troubleshooting Element
Published
02/21/2024 10:04 AM
10579 - Are both IN LEDs Illuminated?
Remark
Published
02/21/2024 10:04 AM
10577 - 10096 - OUT LEDs on Nanocontroller illuminated? - Decision, Notes: 10097
Troubleshooting Element
Published
02/21/2024 9:47 AM
10576 - 9099 - Measure occupancy output voltage - Decision, Notes: 9041
Troubleshooting Element
Published
02/21/2024 9:18 AM
10578 - Both IN LEDs Illuminated?
Troubleshoot Element Text
Published
02/21/2024 10:02 AM
10581 - RUN and OK LEDs Illuminated?
Troubleshoot Element Text
Published
02/21/2024 10:05 AM
10584 - PWR LED on Nanocontroller Illuminated?
Troubleshoot Element Text
Published
02/21/2024 10:08 AM
11294 - RPM will not occupy
Troubleshoot Symptom
Published
10/14/2024 10:58 AM
8813 - No Speed Messages
TS Flowchart
Published
02/21/2024 12:24 PM
10591 - 8168 - Did this fix the problem? - Decision, Notes: 10590
Troubleshooting Element
Published
02/21/2024 10:40 AM
10590 - Connect NMT to SC-770 output and use the Data Capture feature or verify with ...
Remark
Published
02/21/2024 10:39 AM
10593 - 10084 - Replace Banner IR Occupancy Sensor - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
02/21/2024 10:47 AM
10594 - 9093 - Replace SC-771 Controller Board - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
02/21/2024 10:51 AM
10595 - 8168 - Did this fix the problem? - Decision, Notes: 10590
Troubleshooting Element
Published
02/21/2024 10:53 AM
10598 - 10596 - Replace RS232 to RS485 converter - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
02/21/2024 10:57 AM
10597 - DET-RPM-RAP-CM17, RPM RS232 to RS485 Converter Replacement
Remark
Published
02/21/2024 10:57 AM
10596 - Replace RS232 to RS485 converter
Troubleshoot Element Text
Published
02/21/2024 10:55 AM
10599 - 8168 - Did this fix the problem? - Decision, Notes: 10590
Troubleshooting Element
Published
02/21/2024 10:59 AM
10600 - 10093 - Replace Nanocontroller - Formal Procedure, Notes: 9007
Troubleshooting Element
Published
02/21/2024 11:00 AM
10601 - 8168 - Did this fix the problem? - Decision, Notes: 10590
Troubleshooting Element
Published
02/21/2024 11:01 AM
10603 - 9118 - Inspect Wiring and Connectors - Process, Notes: 10602
Troubleshooting Element
Published
02/21/2024 11:07 AM
10602 - Check wiring from nanocontroller output to SC-770 controller input ...
Remark
Published
02/21/2024 11:06 AM
9118 - Inspect Wiring and Connectors
Troubleshoot Element Text
Published
09/28/2023 5:19 AM
10604 - 10096 - OUT LEDs on Nanocontroller illuminated? - Decision, Notes: 10097
Troubleshooting Element
Published
02/21/2024 11:10 AM
10605 - 10565 - Are Nanocontroller input voltages correct? - Decision, Notes: 10566
Troubleshooting Element
Published
02/21/2024 11:15 AM
10607 - 10570 - +15 VDC present at IR sensors? - Decision, Notes: 9041
Troubleshooting Element
Published
02/21/2024 12:10 PM
10608 - 10578 - Both IN LEDs Illuminated? - Decision, Notes: 10097
Troubleshooting Element
Published
02/21/2024 12:13 PM
10609 - 10581 - RUN and OK LEDs Illuminated? - Decision, Notes: 10097
Troubleshooting Element
Published
02/21/2024 12:14 PM
10610 - 10584 - PWR LED on Nanocontroller Illuminated? - Decision, Notes: 10097
Troubleshooting Element
Published
02/21/2024 12:16 PM
10611 - 9113 - Establish Initial conditions - Process, Notes: 9115
Troubleshooting Element
Published
02/21/2024 12:22 PM
11293 - No SP line in data stream and daily files
Troubleshoot Symptom
Published
10/14/2024 10:58 AM
11292 - No speed value on CAS alarm event
Troubleshoot Symptom
Published
10/14/2024 11:00 AM
8814 - Tamper
TS Flowchart
Published
10/20/2023 8:17 AM
11291 - TAMPER fault on CAS interface
Troubleshoot Symptom
Published
10/14/2024 11:00 AM
8815 - Local Alarm and Fault Indication
TS Flowchart
Published
10/20/2023 7:40 AM
11290 - Local LEDs, strobes, and/or audible siren do not function
Troubleshoot Symptom
Published
10/14/2024 11:39 AM
11289 - Local LEDs and/or strobes constantly on
Troubleshoot Symptom
Published
10/14/2024 11:02 AM
Complete
Troubleshoot Step Type
Published
04/10/2020 12:12 AM
Formal Procedure
Troubleshoot Step Type
Published
04/10/2020 12:12 AM
Incomplete
Troubleshoot Step Type
Published
04/10/2020 12:13 AM
Process
Troubleshoot Step Type
Published
04/10/2020 12:12 AM
Decision
Troubleshoot Step Type
Published
04/10/2020 12:12 AM
Begin
Troubleshoot Step Type
Published
04/10/2020 12:13 AM
LD-260 J3 Removal
រូប​ភាព
Published
06/05/2025 11:31 PM
LD-260 J3 Reconnect
រូប​ភាព
Published
06/05/2025 11:48 PM
LD-260 Cover Removal
រូប​ភាព
Published
06/06/2025 12:30 AM
LD-260 Fuse
រូប​ភាព
Published
06/05/2025 11:59 PM
LD-260 Fuse Check
រូប​ភាព
Published
06/06/2025 12:10 AM
ld-260_cover_0.png
រូប​ភាព
Published
06/05/2025 11:55 PM
LD-260 J2 and J4 Removal
រូប​ភាព
Published
06/06/2025 12:27 AM
LD-260 Disconnect Switch Power Off
រូប​ភាព
Published
04/24/2023 12:49 PM
LD-260 Disconnect Switch Power On
រូប​ភាព
Published
06/04/2025 1:28 PM
LD-260 Power off.png
រូប​ភាព
Published
10/23/2023 2:11 PM
TB1 Voltage_2
រូប​ភាព
Published
06/05/2025 3:13 PM
LD-260_J3_MEA_0.PNG
រូប​ភាព
Published
06/06/2025 1:27 AM
J3 Molex
រូប​ភាព
Published
06/06/2025 3:09 AM
10649 - Amber Fault LED illuminated on the Control Pillar
11278 - Screen on SC-770 controller is blank
11283 - AC LED on LD-260 not illuminated
11282 - No direct current voltage to one or more components
11281 - Battery voltage less than +10.6 VDC
11280 - RPM Fault on CAS interface
11279 - RPM alarms and fault not appearing on CAS interface
11286 - No RPM data on CAS interface
11285 - Local gamma alarm indication on every occupancy
11284 - Gamma alarm rate higher than normal
11288 - Local neutron alarm indication on every occupancy
11287 - Neutron alarm rates higher than normal
11295 - RPM constant occupancy state
11294 - RPM will not occupy
11293 - No SP line in data stream and daily files
11292 - No speed value on CAS alarm event
11291 - TAMPER fault on CAS interface
Flowchart
11290 - Local LEDs, strobes, and/or audible siren do not function
11289 - Local LEDs and/or strobes constantly on
Percent Complete
100.00
Percent Complete W/Media
100.00