TM 10--3510--221--24
0021 00--1/2 blank
SYSTEM OPERABLE LAMP (DS4) IS NOT ON WHEN
SYSTEM IS FUNCTIONING PROPERLY
0021 00
THIS WORK PACKAGE COVERS:
Troubleshooting SYSTEM OPERABLE Lamp (DS4) Is Not When System Is Functioning Properly Fault
INITIAL SETUP:
Maintenance Level
Equipment Conditions
Unit
Power must be applied at main control
enclosure (WP 0010 00).
1. Use maintenance menu to turn on DS4 (WP 0010 00).
Does DS4 come on?
YES Use maintenance menu to turn off DS4. Return to normal operation.
NO Go to step 2.
2. Replace lamp on DS4 (TM 10--3510--221--10).
Is lamp on?
YES Return to normal operation.
NO Go to TYPICAL DC OUTPUT SIGNAL FAULT (WP 0106 00) to check operation of DS4.
END OF WORK PACKAGE
