Sanyo CL4232 User Manual download pdf (Page 53)

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SM830078

12. SERVICE PROCEDURES

C. Check “Operation selector” switch in the indoor unit.

D. Check compressor motor protectors.

(a) High pressure switch (63PH)

E. Transformer in indoor unit.

0617_X_S

• Has “Operation selector”

switch been set to ON

position ?

YES

Set “Operation selector”

switch to ON.

But neither unit runs.

Switch Ass’y or P.C.B.

Ass’y in the indoor unit

is defective.

IND. LAMP Ass’y or P.C.B.

Ass’y in the indoor unit

is defective.

0618_X_S

• Check high pressure switch.

Does high pressure switch

actuate ? (63PH)

YES

Clean heat exchanger coil

or remove obstacles.

• Is outdoor heat exchanger

coil dirty or are there

obstacles near air suction

inlet of outdoor unit ?

• Check if outdoor fan rotates.

Refer to “Only outdoor fan

does not run.”

Disconnect the socket from 2P (WHT) connector.

Check the continuity between No.1 and No.2 poles

of the socket.

• Check resistance of

transformer winding. (TR1)

1033_X_S

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Sanyo CL4232 User Manual Page 53