TM 9-4931-374-13&P
Table 3-1. Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
LOCATION
CORRECTIVE ACTION
SHELTER LIGHTS
1. LIGHTS FAIL TO COME ON.
Step 1. Check for open doors or blackout switch in BLACKOUT
position.
Close doors or place blackout switch in NORMAL
position.
Step 2. Check for proper operation of door microswitches.
Aline or replace microswitches as required (p 3-186).
CEILING ELECTRICAL OUTLETS
2. THERE IS NO ELECTRICAL POWER AT OUTLETS.
Step 1. Check circuit breake r CB9.
Reset circuit breaker.
Step 2. Check for defective outlets or wiring.
With power off, repair or replace defective parts
(p 3-227).
3-7
