B. Circuit breaker trips in several minutes after turning the air conditioner on.
●
There is a possibility of short circuit.
9-2-2. Neither indoor nor outdoor unit runs.
A. Power is not supplied.
B. Check remote control unit.
Refer to Step C below.
Clean transmitter.
OK
• Try to run with another remote
control unit.
First remote control unit is defective.
• Check for residue buildup on
transmitter of remote control unit.
• Check for residue buildup on remote
control receiver on front of indoor
unit.
Clean receiver.
Does not run.
NO
• Check power supply.
Power is being supplied to the
outdoor unit.
Circuit breaker
is tripped.
Power failure
Reset breaker.
Wait for recovery
or contact power
company.
Replace with suitable
one (larger capacity).
•
•
•
NO
Check capacity of circuit breaker.
Capacity of circuit breaker is
suitable.
Measure resistance of outdoor fan
motor winding.
Measure resistance of compressor
motor winding.
30
