TM 9-6115-660-13&PSection II. TROUBLESHOOTING3-2 TROUBLESHOOTING.3-2.1 GeneratorSet. Refer to TM 9-6115-642-10.3-2.2 Trailer. Refer to TM 9-2330-202-14&P for Power Units PU-798 and PU-799, TM 9-2330-392-14&P for PU-798A andPU-799A, and TM 9-2330-213-14&P for Power Plants AN/MJQ-37 and AN/MJQ-38.3-2.3 PowerPlant. The following symptom index lists faults associated with switch box operation. Figures 3-1, 3-2, and3-3 provide a go/no-go flowchart of each malfunction. Each malfunction listed includes a reference to the applicable figurethat contains a chart that will help you determine probable causes and corrective actions to take. The symptom indexcannot list all faults that may occur, nor all tests or inspections and corrective actions. If a malfunction is not listed orcannot be corrected by listed corrective actions, notify next higher level of maintenance.SYMPTOM INDEXTroubleshootingProcedure(Figure)ON INDICATOR LAMP FAILS TO LIGHT WITH GENERATOR SET RUNNING .............................3-1ON-LINE INDICATOR LAMP FAILS TO LIGHT WHEN ON/OFF SWITCHIS PLACED IN ON POSITION ...........................................................................................................3-2SYNCHRONIZING INDICATOR LAMPS FAIL TO LIGHT WHENTRANSFER SWITCH IS OPERATED ...............................................................................................3-3WITH ALL INDICATOR LAMPS WORKING PROPERLY, LOADWILL NOT TRANSFER ......................................................................................................................3-4SYNCHRONIZING INDICATOR LAMPS FAIL TO OPERATE IN UNISONWHEN TRANSFER SWITCH IS OPERATED ...................................................................................3-5Change 2 3-3
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