TM 10-4610-240-10
TM 08580C-10/1
T.O. 40W4-13-21
Table 3-2. Troubleshooting (OWPU) (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
10.
PUMP LAMP ON CONTROL BOX ASSEMBLY DOES NOT LIGHT WHEN SWITCH IS SET TO START.
(Continued)
Step 3.
Check to see if associated pump is operating. For R.O. pump, see if sheave is turning; for other
pumps, check for correct pump rotation.
a. If motor is running, replace switch indicator lamp bulb (paragraph 3-9).
NOTE
If new bulb does not light, notify unit maintenance to troubleshoot lamp socket and wiring.
b. If motor is not running, go to step 4.
WARNING
Electric shock can cause severe injury or death. Do not touch anything in the junction box except the
circuit breaker handle.
Step 4.
Check circuit breakers.
a. Reset circuit breaker.
b. Attempt to start pump.
c. If pump will not start, notify unit maintenance.
3-11
