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YES
Does outdoor fan
operate normally?
Replace control
board.
YES
YES
Compressor
is normal
Check voltage of the
compressor connector
(AC150V-270V)?
Turn ON power
supply.
NO
Remove connector CN300 of
outdoor fan motor.
Check winding resistance by
ohmmeter are correct?
Check rotor locking by rotate
Turn OFF power
supply.
Replace outdoor
fan motor.
NO
Replace
compressor.
Replace control
board.
Replace
compressor.
YES
Does compresser
operate normally?
with hand. Can it rotate?
Turn OFF power
supply.
Check compressor
winding resistance
correct?
is in rate.
A
FILE NO. SVM-10019
NO
NO
YES
NO