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TM 9-4120-389-14
Table 4-2. UNIT TROUBLESHOOTING-(cont.)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4.
Check to see if control circuit breaker is in the ON position.
Place control circuit breaker in the ON position.
If the air conditioner will not operate, check for a defective circuit breaker in accordance with
para. 4-40.
Replace defective circuit breaker in accordance with para. 4-40.
Step 5.
Check to see if compressor circuit breaker is in the ON position.
Place compressor circuit breaker in ON position.
If the air conditioner will not operate in the COOL position, check for defective compressor
circuit breaker in accordance with para. 4-39.
Replace defective compressor circuit breaker in accordance with para. 4-39.
4-41
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