(2) Circuit breaker trips in several minutes after turning the air conditioner on.
There is a possibility of short circuit.
Replace with suitable
one (larger capacity).
No
Measure resistance of outdoor fan
motor winding.
Measure resistance of compressor
motor winding.
Measure resistance of 4-way valve's
winding.
In case of Heating operation :
9-2-2. Neither indoor nor outdoor unit runs.
(1) Power is not supplied.
No
Circuit breaker
is tripped.
Power failure
Reset breaker.
Wait for recovery
or contact power
company.
1.Check capacity of circuit breaker.
2.Is capacity of circuit breaker
suitable ?
1.Check power supply.
2.Is power being supplied to the outdoor
unit ?
56
(2) Check "OPERATION lamp" in the indoor unit.
Alarm Signal (*)
Operation lamp on the front side of the indoor unit will flash on and off when either of indoor room thermistor,
coil thermistor and indoor fan motor is defective.
NOTE
•
Operation lamp on front side of
indoor unit is flashing on and off. (*)
YES
•
Replace thermistor.
•
Indoor room thermistor and/or coil
thermistor is defective.
YES
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