Chapter 3 Troubleshooting and Maintenance

Troubleshooting Power Supply Failure

Problem

Possible Cause

Solution

Power Supply

No input voltage detected at connector J1, pins

Replace the wiring harness

Failure

1 and 2.

 

 

 

 

 

Input voltage present at connector J1, pins 1

Disconnect power from the

 

and 2.

supply

 

 

 

 

No input voltage at the black and white wires

Replace the Euro block

 

input lines.

 

 

 

 

 

Input voltage present at the black and white

Replace the wiring harness.

 

wire input lines.

 

 

 

 

 

No voltage at the Coax stinger.

Replace the CTFLM module

 

 

 

Maintenance

Routine Maintenance Schedule

Operation

Interval

Visual Inspection

 

External Surfaces

Semiannually

Connectors

Annually

Operator Controls

Annually

Wiring/Cable Assemblies

Annually

 

 

Cleaning

 

External Surfaces

Annually

External Controls/Receptacles

Annually

Internal Receptacles/Circuit Boards

Annually

 

 

Performance Verification

 

Refer to Initial Startup in the 990-5501

Semiannually

CTFLM/CTSLM User Manual

 

 

 

9

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APC CTSLLP/G Troubleshooting and Maintenance, Troubleshooting Power Supply Failure, Problem Possible Cause Solution