8805 - +15 VDC Power Distribution | FRONTLINE Maintenance Tool

9083 - 8997 - Start - Begin, Notes:

8997 - Start

Start

Go to

8999 - 8997 - AC LED on LD-260 illuminated? - Decision, Notes: 8998

Step Reference Number

01

11520 - 9000 - AC LED on LD-260 illuminated? - Decision, Notes: 8998

9000 - AC LED on LD-260 illuminated?

AC LED on LD-260 illuminated?

No

Go to

11477 - 11476 - Turn RPM Circuit Breaker ON - Process, Notes: 11485

Yes

Go to

9052 - 9032 - PWR ON LED on the LD-260 illuminated? - Decision, Notes: 9033

Step Reference Number

02

Note

8998 - Is the AC LED on the LD-260 illuminated?

9066 - 9032 - PWR ON LED on the LD-260 illuminated? - Decision, Notes: 9033

9032 - PWR ON LED on the LD-260 illuminated?

PWR ON LED on the LD-260 illuminated?

Yes

Go to

9065 - 11523 - Measure 15 VDC at terminal block 1 (TB1) - Decision, Notes: 9041

No

Go to

9070 - 9067 - 15 VDC at J3 Molex? - Decision, Notes: 9068

Step Reference Number

03

Note

9033 - Is the PWR ON LED on the LD-260 illuminated?

11535 - 9067 - 15 VDC at J3 Molex? - Decision, Notes: 11534

9067 - 15 VDC at J3 Molex?

15 VDC at J3 Molex?

Yes

Go to

9009 - 9006 - Replace LD-260 - Formal Procedure, Notes: 9007

No

Go to

9082 - 9078 - Inspect LD-260 Molex J3 Connector - Decision, Notes: 9079

Step Reference Number

04

Note

11534 - Measure the output voltage on connector J3 pin1 (red) and pin 3 (black)

9082 - 9078 - Inspect LD-260 Molex J3 Connector - Decision, Notes: 9079

9078 - Inspect LD-260 Molex J3 Connector

Inspect LD-260 Molex J3 Connector

Yes

Go to

9077 - 9073 - Replace J3 Molex Connector - Process, Notes: 9046

No

Go to

9057 - 9054 - Disconnect RPM Battery - Process, Notes: 9055

Step Reference Number

05

Note

9079 - Disconnect LD-260 Molex J3 connector

9080 - Inspect the J3 connector for signs of electrical damage, including overheatin...

11536 - Does the connector J3 look damaged?

11537 -

9077 - 9073 - Replace J3 Molex Connector - Process, Notes: 9046

9073 - Replace J3 Molex Connector

Replace J3 Molex Connector

Go to

8823 - 8168 - Did this fix the problem? - Decision, Notes:

Step Reference Number

06

Note

9046 - Turn off power to the RPM at the AC input breaker

9074 - Replace J3 Molex Connector from spare parts.

9075 - Reconnect J3 Molex connector to LD-260.

9076 - Turn on power to the RPM at the AC input breaker

8823 - 8168 - Did this fix the problem? - Decision, Notes:

8168 - Did this fix the problem?

Did this fix the problem?

Yes

Go to

1544 - 546 - Done - Complete, Notes: 547

No

Go to

9057 - 9054 - Disconnect RPM Battery - Process, Notes: 9055

Step Reference Number

07

9057 - 9054 - Disconnect RPM Battery - Process, Notes: 9055

9054 - Disconnect RPM Battery

Disconnect RPM Battery

Go to

9052 - 9032 - PWR ON LED on the LD-260 illuminated? - Decision, Notes: 9033

Step Reference Number

08

Note

9055 - Isolate RPM battery from LD-260 by disconnecting J3 connector.

9052 - 9032 - PWR ON LED on the LD-260 illuminated? - Decision, Notes: 9033

9032 - PWR ON LED on the LD-260 illuminated?

PWR ON LED on the LD-260 illuminated?

Yes

Go to

9031 - 9029 - Replace RPM Battery - Formal Procedure, Notes: 9007

No

Go to

9051 - 9045 - LD-260 Fuse Failed? - Decision, Notes: 9046

Step Reference Number

09

Note

9033 - Is the PWR ON LED on the LD-260 illuminated?

9051 - 9045 - LD-260 Fuse Failed? - Decision, Notes: 9046

9045 - LD-260 Fuse Failed?

LD-260 Fuse Failed?

Yes

Go to

9013 - 9011 - Replace LD-260 Fuse - Formal Procedure, Notes: 9007

No

Go to

9039 - 9035 - Disconnect LD-260 Molex Connectors - Process, Notes: 9036

Step Reference Number

10

Note

9046 - Turn off power to the RPM at the AC input breaker

9047 - Reconnect RPM Battery

9048 - Remove and retain four (4) cover plate screws and nut on toggle switch

9049 - Examine fuse visually.

9039 - 9035 - Disconnect LD-260 Molex Connectors - Process, Notes: 9036

9035 - Disconnect LD-260 Molex Connectors

Disconnect LD-260 Molex Connectors

Go to

9034 - 9032 - PWR ON LED on the LD-260 illuminated? - Decision, Notes: 9033

Step Reference Number

12

Note

9036 - Reinstall retained cover screws and toggle switch nut on LD-260.

9038 - Disconnect Molex J2 and J4 connectors

9034 - 9032 - PWR ON LED on the LD-260 illuminated? - Decision, Notes: 9033

9032 - PWR ON LED on the LD-260 illuminated?

PWR ON LED on the LD-260 illuminated?

Yes

Go to

9018 - 545 - Contact Technical Support - Process, Notes: 9015

No

Go to

9009 - 9006 - Replace LD-260 - Formal Procedure, Notes: 9007

Step Reference Number

13

Note

9033 - Is the PWR ON LED on the LD-260 illuminated?

9009 - 9006 - Replace LD-260 - Formal Procedure, Notes: 9007

9006 - Replace LD-260

Replace LD-260

Step Reference Number

14

Note

9007 - Perform the following procedure:

9008 - DET-RPM-RAP-CM06, RPM LD-260 Load Disconnect Replacement.

9013 - 9011 - Replace LD-260 Fuse - Formal Procedure, Notes: 9007

9011 - Replace LD-260 Fuse

Replace LD-260 Fuse

Step Reference Number

15

Note

9007 - Perform the following procedure:

9012 - DET-RPM-RAP-CM05, RPM LD-260 Load Disconnect Fuse Replacement.

9018 - 545 - Contact Technical Support - Process, Notes: 9015

545 - Contact Technical Support

Contact Technical Support

Go to

5882 - 545 - Contact Technical Support - Incomplete, Notes: 5881

Step Reference Number

16

Note

9015 - Reconnect LD-260 Molex J2 and J4 connectors

11521 - Troubleshooting incomplete. Contact technical support. Provide the ...

9065 - 11523 - Measure 15 VDC at terminal block 1 (TB1) - Decision, Notes: 9041

11523 - Measure 15 VDC at terminal block 1 (TB1)

Measure 15 VDC at terminal block 1 (TB1)

Go to

11532 - 11524 - Voltage close to 15 VDC? - Decision, Notes:

Step Reference Number

17

Note

9041 - Using a digital multimeter in DC mode,verify 15 VDC at TB1 pins 1, 2, and 3.

9064 - Pins 4, 5, and 6 are associated grounds. 

11533 - 11524 - Voltage close to 15 VDC? - Decision, Notes:

11524 - Voltage close to 15 VDC?

Voltage close to 15 VDC?

Yes

Go to

11528 - 11526 - DC power distribution trace - Incomplete, Notes: 11527

No

Go to

11531 - 11529 - Inspect output power - Incomplete, Notes: 11530

Step Reference Number

18

9031 - 9029 - Replace RPM Battery - Formal Procedure, Notes: 9007

9029 - Replace RPM Battery

Replace RPM Battery

Step Reference Number

19

Note

9007 - Perform the following procedure:

9030 - DET-RPM-RAP-CM28, +12 VDC Battery Replacement

1544 - 546 - Done - Complete, Notes: 547

546 - Done

Done

Step Reference Number

20

Note

547 - Troubleshooting is complete.