TM 55-1730-229-12
AG 320A0-OMM-000
TO 39C2-3-473-1
TM 1730-12/1
Organizational Troubleshooting (continued)
Table 4-2.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
AC POWER NOT AVAILABLE AT CONVENIENCE RECEPTACLES (engine running and AC POWER
77.
switch ON).
Step 1.
Check circuit breakers 3CB3 through 3CB6 on lower tray.
If circuit breakers are open (out), reset by pushing in. If
a.
breakers continue to open, check loads for shorts.
If circuit breakers are closed (pushed in), do step 2.
b.
Check AC POWER ON indicator.
Step 2.
a. If indicator is not lit, see malfunction 50.
b.
If indicator is lit, do step 3.
Step 3.
Check AC VOLTS meter for each position of the AC PHASE SELECT switch.
a.
If meter does not read in green band for all switch
positions, shut down engine and replace AC contactor K1
b.
If meter reads in green band for all switch positions, do
step 4.
Shut down engine and disconnect battery. Check wiring between the ac
Step 4.
convenience receptacle and ac contactor K1 (see FO-6 sheet 1).
Replace any defective wiring and perform operational check.
AC POWER NOT AVAILABLE AT DC-TO-AC INVERTER RECEPTACLES (engine running and DC
78.
POWER switch ON).
Check DC VOLTS meter.
Step 1.
a. If meter reads 0, see malfunction 42.
If meter reads in green band, do step 2.
b.
Remove inverter output fuse
Step 2.
Shut down engine and disconnect battery.
(paragraph 4-63.c). Check fuse.
