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.

 

wires input lines.

 

 

Reconnect power to the CTFLM.

 

 

Power Supply

No voltage at the Coax stinger.

 

Replace the CTFLM module

Failure

 

 

 

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 manual

Semiannually

 

6

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APC CTFLE Troubleshooting and Maintenance, Troubleshooting Power Supply Failure, Problem Possible Cause Solution