TM 11-6625-3041-12/TO 33A1-8-908-1
3-11. TROUBLESHOOTING PROCEDURE (cont)
Step
If only one indicator lights when LAMP TEST is pressed:
2
cont
Swap that indicator lamp with the POWER indicator lamp. If
indicator now lights, cause is lamp. Replace (refer to
If indicator still does not light, possible cause is AC Input
card A2. Replace (refer to para 3-17), and repeat step 2.
If neither indicator lights when LAMP TEST is pressed:
Swap one indicator lamp with the POWER indicator lamp. If
indicator now lights, cause is both FAULT and POWER SUPPLY
indicators. Replace (refer to para 3-15), and repeat step 2.
If indicator does not light, nor do any other front panel indi-
cators, possible cause is LAMP TEST pushbutton. Evacuate to
direct support for repair.
3-17