TM 10-6640-215-13
Table 3-2. Troubleshooting - continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8.
WHEN ONE OF THE PETROLEUM LABORATORY DOORS IS OPENED, A GROUP OF WHITE LIGHTS FAIL TO
GO OFF AND THE GROUP'S BLACKOUT LIGHTS FAILTO COME ON.
Check operation of the light group's door interlock switch.
a.
Adjust door interlock switch.
b.
If lights still fail to operate properly, notify unit maintenance.
9. EMERGENCY LIGHT DS7 OR DS13 FAIL TO COME ON WHEN A POWER FAILURE OCCURS.
Check operation of the appropriate emergency light switch, S17 or S18.
a.
Ensure switch is in the ON position.
b. If emergency light still fails to operate, notify unit maintenance.
10. CEILING LIGHT INOPERATIVE OR DIM.
Step 1. Check fixture for burned out or weak lamps.
Replace defective lamps.
Step 2. Check lamp starter by replacing with a known good starter.
Replace defective starter.
11. NO POWER AT ONE OR MORE CONVENIENCE (UTILITY) OUTLETS.
Check and reset associated circuit breaker (5). Refer to tables 2-2, and 2-3.
If power is still not available at the outlet(s), notify unit maintenance.
12. ENVIRONMENTAL CONTROL UNIT(S) FAIL TO OPERATE.
Step 1. Check that electrical input connector on ECU(s) is properly mated.
Properly connect power input connector.
Step 2. Check and reset associated circuit breaker(s) located in POWER PANEL NO. 2.
If unit still fails to operate, notify unit maintenance.
3-6
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