FILE NO. SVM-10019

A

Does outdoor fan operate normally?

YES

YES

Does compresser

operate normally?

NO

Compressor is normal

Turn OFF power supply.

Check compressor winding resistance correct?

YES

Turn ON power supply.

Check voltage of the

compressor connector is in rate.

(AC150V-270V)?

YES

NO

Turn OFF power supply.

 

 

 

 

 

Remove connector CN300 of

 

 

 

 

NO

 

 

outdoor fan motor.

 

 

 

 

Check winding resistance by

 

 

 

 

 

 

ohmmeter are correct?

 

 

 

 

 

Check rotor locking by rotate

 

 

 

 

 

with hand. Can it rotate?

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace outdoor

 

 

 

 

Replace control

 

 

 

fan motor.

 

 

 

 

board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

Replace compressor.

NO

 

 

 

 

 

 

 

 

Replace

 

 

 

Replace control

 

 

compressor.

 

 

 

board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

– 86 –