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 TM 55-1905-219-14-3
Table 3-43. Switchboard Troubleshooting (Cont).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Voltmeter reading too high or too low.
Step 1.
Check for incorrect adjustments.
Perform operating procedures.
Step 2.
Check for defective voltage regulator.
Refer to Direct Support Maintenance.
Step 3.
Check for defective voltmeter.
Refer to Direct Support Maintenance.
5. No power to load.
Step 1.
Check main circuit breaker.
Reset circuit breaker.
Step 2.
Check distribution circuit breaker.
Reset circuit breaker.
Step 3.
Check for defective circuit breaker.
Refer to Direct Support Maintenance.
6. Ammeter fails to read.
Step 1.
Check for defective ammeter.
Refer to Direct Support Maintenance.
Step 2.
in wrong position.
Place in Generator 2 position. If problem con-
tinues, refer to Direct Support Maintenance.
7. Generator frequency meter fails to read.
Step 1.
Check for frequency meter switch in wrong position.
Place switch in correct position.
3-135
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