4. Service procedures
b)Check compressor motor thermal protector (49C)
•Check compressor motor thermal protector. (49C)
•Check compressor motor magnetic contactor.
(52C)
0627_X_S
Is temperature of compressor abnormally high ?
YES
Refrigerant gas shortage.
NO
Compressor is defective.
Charge refrigerant gas.
0626_X_S
4
(Only outdoor fan does not run.)
D.Check indoor unit P.C.B.
•Check P.C.B. Ass’y.
•Check voltage between terminals No.2 and No.4 at terminal plate.
No voltage appears.
P.C.B. Ass’y is defective.
0628_X_S
SM830043
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