TM 5-6115-627-14&P
Section VI. TROUBLESHOOTING
4-13. General. Troubleshooting procedures for components unique to the power plant end item are given in
paragraph 4-14. Troubleshooting information for the individual generator sets and trailers are contained in their
respective manuals referenced below:
a.
Generator Set Troubleshooting. Refer to TM 5-6115-465-12 for troubleshooting procedures applicable to
the generator set.
b.
Trailer Troubleshooting. Refer to TM 9-2330-205-14&P for troubleshooting procedures applicable to the
trailers.
4-14. Power Plant Troubleshooting. Table 4-2 contains troubleshooting information for locating and
correcting operating troubles which may develop in components unique to the power plant end item. Each
malfunction is followed by a list of tests or inspections which will help determine probable cause and corrective
actions to take. Perform the tests/inspections and corrective actions in the order listed. This manual cannot list all
malfunctions that may occur, nor all tests or inspections and corrective actions. If a malfunction is not listed or
cannot be corrected by listed corrective actions, notify your supervisor.
Table 4-2. Troubleshooting.
Malfunction
Test or Inspection
Corrective Action
1. POWER IS ABSENT AT SWITCH BOX LOAD TERMINAL(S) WHEN ONE PARTICULAR POWER UNIT IS
SELECTED.
Step 1.
Step 2.
Step 3.
Check if associated generator set circuit breaker is set to ON position.
If circuit breaker is in OFF position, reset to ON position.
Verify associated generator set output is as desired. Check generator output at load
terminals.
If power is absent at generator set load terminals, troubleshoot generator
set. (Refer to TM 5-6115-465-12.)
Perform continuity check on associated power cable.
If cable is defective, replace cable or notify higher level of maintenance for repair.
Step 4. Perform continuity check on associated switchbox connector.
If connector is defective, notify higher level of maintenance.
Step 5. Perform continuity check on associated switch.
If switch is defective, notify higher level of maintenance.
4-14
