TM 10-6640-216-13&P
Table 3-2. Troubleshooting - continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
2.
3.
4.
NO ELECTRICAL POWER TO LABORATORY (PURGE SYSTEM DOES NOT
OPERATE) - Continued.
c.
Place power output switch on generator set to OFF.
d.
Place timer bypass switch ON.
e.
Reapply power to laboratory.
f.
If purge system fails to operate, notify unit maintenance.
ALL CEILING LIGHTS FAIL TO COME ON.
Step 1. Check operation of LIGHT switch.
Step 2.
Check and reset circuit breaker CB17.
If lights still fail to operate, notify unit maintenance.
WHITE CEILING LIGHTS FAIL TO COME ON (BLUE LIGHTS ARE ON).
Check operation of blackout limit switch.
a.
Place BLACKOUT OVERRIDE switch ON. White lights should come on.
b.
If white lights do not come on, notify unit maintenance.
CEILING LIGHTS INOPERATIVE OR DIM.
Step 1. Check fixture for burned out or weak lamp(s).
a.
Replace defective lamp(s). Refer to paragraph 3-4.
b.
If ceiling light is still inoperative, notify unit maintenance.
Step 2. Check lamp starter by substituting with known good starter.
a.
Replace defective starter. Refer to paragraph 3-4.
b.
If ceiling light is still inoperative, notify unit maintenance.
3-4
