ELECTRICAL--BATTERY POWER

TM 9-2350-238-20-1

Table 2-3. UNIT TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ELECTRICAL--BATTERY POWER

14. MASTER IND LIGHT IS ON AND ELECTRICAL CIRCUITS ARE NOT OPERATING.

NOTE

Screws holding master relay on bulkhead also ground relay.

Check master relay ground for bad connection.

Step 1.

Clean ground connections with crocus cloth (item 10, appx C). Tighten

ground connections.

Troubleshoot master relay circuit. Refer to Electrical Circuit Symptom Index,

Step 2.

15. ELECTRICAL CIRCUITS ARE NOT OPERATING OR BATTERY-GENERATOR INDICATOR

IS IN RED (0-TO 22-VOLT RANGE).

If BATTERY-GENERATOR indicator light is in red, troubleshoot BATTERY-

Step 1.

GENERATOR indicator circuit. Refer to Electrical Circuit Symptom Index,

Check batteries with tester.

Step 2.

Charge batteries, refer to TM 9-6140-200-14; or replace batteries, refer

Troubleshoot battery power circuit. Refer to Electrical Circuit Symptom Index,

Step 3.

Troubleshoot master switch circuit. Refer to Electrical Circuit Symptom Index,

Step 4.

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