TM 5-3805-261-20
OPERATOR’S PANEL CONSOLE TROUBLESHOOTING AND MAINTENANCE PROCEDURES. (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
b.
CONSOLE LIGHT DOES NOT OPERATE.
Step 1. Check the console lamp bulb filament.
If the filament is defective--replace bulb. Refer to paragraph 7-30.
Step 2. Check the main circuit breaker.
Reset or replace circuit breaker. Refer to paragraph 7-31.
Step 3. Test the continuity of the console light switch. Connect one lead to the back of switch and the other lead
to ground.
If the multimeter needle does not move, the circuit does not have continuity. Replace switch. Refer to
paragraph 7-30.
c.
FLOODLIGHT SWITCH DOES NOT OPERATE.
Step 1. Test the continuity of the floodlight switch. Connect
one lead of multimeter to switch and one lead to
ground.
If the multimeter needle does not move--the circuit does not have continuity. Replace floodlight switch. Refer
to paragraph 7-28.
Step 2. Test the continuity of the wire assemblies. Connect multimeter to each end of wire assembly.
If the multimeter needle does not move, the circuit does not have continuity. Replace wire assembly. Refer to
paragraphs 7-28 and 7-117.
Step 3. Repeat step 2 for remaining wire assembly.
7-74
