B. Circuit breaker trips in several minutes after turning the air conditioner on.
●
There is a possibility of short circuit.
7-2-2. Neither indoor nor outdoor unit runs.
Power is not supplied.
7-2-3. Only outdoor unit does not run.
Check power relay in outdoor unit.
Measure coil resistance of power relay. (RA, RB)
NO
Check power supply.
Power is being supplied
to the outdoor unit.
•
Power failure.
Reset breaker.
Wait for recovery
or contact power
company.
Circuit breaker
is tripped.
Check capacity of circuit breaker.
Capacity of circuit breaker is
suitable.
Replace with suitable
one (larger capacity).
•
Measure resistance of compressor
motor winding.
•
Measure resistance of outdoor fan
motor winding.
•
NO
20
