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Does outdoor fan
operate normally?
YES
Does compresser
operate normally?
Compressor
is normal
Turn OFF power
Check compressor
winding resistance
Turn ON power
Check voltage of the
compressor connector
(AC150V-270V)?
compressor.
A
NO
YES
NO
supply.
NO
correct?
YES
supply.
NO
is in rate.
YES
Replace
NO
Replace outdoor
fan motor.
Replace
compressor.
Replace control
board.
– 78 –
FILE NO. SVM-15008
Turn OFF power
supply.
Remove outdoor fan
connector.
Check winding resistance by
ohmmeter are correct?
Check rotor locking by rotate
with hand. Can it rotate?
YES
Replace control
board.
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