TM 10-5410-228-24
2.8
UNIT LEVEL TROUBLESHOOTING PROCEDURES Continued.
29. AFT LAMP DOES NOT COME ON.
Remove unlit bulb.
Test bulb.
Replace bulb (refer-
No
ence TM 10-5410-
Is bulb good?
228-10).
Yes
Gain access to light switch.
Set switch for bulb that is lit
to OFF.
Test for continuity across
terminals of switch (see
No
Replace switch.
Does continuity exist?
Yes
Turn ECV on.
Test for 24 Vdc across
terminals 1 and 2.
Gain access to pan assembly (see
Is
Yes
24 Vdc
Do a continuity check of the
present?
electrical wiring per Appendix F,
No
Repair wiring as required.
1
