Section Il. TROUBLESHOOTING - TM-9-6115-663-13-P0145

TM 9-6115-663-13&P

Section Il. TROUBLESHOOTING

5-4. GENERAL.

Refer to TM 9-6115-645-24 for generator set troubleshooting procedures, and to TM 9-2815-256-24 for

engine troubleshooting procedures. Refer to TM 9-2330-205-14&P for trailer troubleshooting procedures.

The symptom index for the power plant lists faults associated with switch box assembly operation.

Figures 5-1 through 5-9 provide a go-no-go flowchart of each malfunction. Each malfunction listed

includes a reference to the applicable figure that contains a chart to help you determine probable causes

and corrective actions to take. The symptom index cannot list all faults that may occur, nor all the tests

or inspections and corrective actions. If a malfunction is not listed or cannot be corrected by listed

corrective actions, notify next higher level of maintenance for assistance.

SYMPTOM INDEX

Troubleshooting

Symptom

Procedure

Unit A STATUS lamp does not light with generator set AC CIRCUIT INTERRUPTER

switch closed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit A has no input power to K1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit A has no output power from K1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit A has output power from K1 but no output at one or more load terminals . . . . . . . . . . .

Unit B STATUS lamp does not light with generator set AC CIRCUIT INTERRUPTER

switch closed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit B has no input power to K2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit B has no output power from K2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit B has output power from K2 but no output at one or more load terminals . . . . . . . . . . .

Power cable W19 and paralleling cables are good, but unit fails to parallel through switch box

5-3