ARMY TM 9-6115-639-13
AIR FORCE TO 35C2-3-386-51
MARINE CORPS TM 10155A-13/1
Table 4-4. Unit Level Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
10. NO POWER AT CONVENIENCE RECEPTACLE
a. Check that GROUND FAULT CIRCUIT INTERRUPTER (GFCI) is properly reset.
(1)
Start generator.
(2)
Press TEST button.
(3)
Press RESET button.
b. Check that CB3 on GFCI (inside set) is not tripped.
Reset CB3.
c. Check GFCI CB3 at TB4 as follows:
(1)
Connect positive (+) probe of multimeter to terminal board TB4, pin 1.
(2)
Connect negative (-) probe to terminal board TB4, pin 3.
(3)
Start generator set.
(4)
120 } 2 VAC present?
If voltage is present, remove and replace GFCI (Para. 4-31).
d. Defective convenience receptacle.
Remove and replace convenience receptacle (Para. 4-30).
11. GENERATOR SET CAUSES RADIO INTERFERENCE
a. Defective EMI filter.
Remove and replace EMI filter (Para. 4-33).
b. Defective power inverter / converter.
Remove and replace power inverter / converter (Para. 4-52).
12. CIRCUIT INTERRUPTER WILL NOT CLOSE
a. Check relay K8 (part of power inverter / converter A8) as follows:
(1)
Start generator set.
(2)
Place BATTLE SHORT switch in ON position.
(3)
Does circuit interrupter close?
If not, remove and replace power inverter / converter (Para. 4-52).
b. Check fault lockout relay K12 as follows:
(1)
Connect positive (+) probe of multimeter to K12-12.
(2)
Connect negative (-) probe to K12-4.
(3)
Place START / RUN / STOP switch in STOP position.
(4)
Zero ohms reading?
If not zero ohms, remove and replace relay (Para. 4-24).
4-20
Change 1
