Technical data

5-2-2.

Check PUSH BUTTON in the indoor unit

B. Circuit breaker trips in several minutes after turning the air conditioner on.

●

There is a possibility of short circuit.

6-2-2. Neither indoor nor outdoor unit runs.

A. Power is not supplied.

B. Check "OPERATION selector" switch in the indoor unit.

YES

•

OPERATION selector switch is set

in ON position.

Set OPERATION selector switch

to ON.

Indoor PCB Ass'y is defective.

•

Check power supply.

Power is being supplied to the

indoor unit.

Circuit breaker

is tripped.

Power failure

Reset breaker.

Wait for recovery

or contact power

company.

Replace with suitable

one (larger capacity).

•

Check capacity of circuit breaker.

Capacity of circuit breaker is

suitable.

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 :

Press the PUSH BUTTON switch

Neither the indoor nor the outdoor

units run

5-2-2.