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SM830079
11. SERVICE PROCEDURES
E. Check outdoor unit P.C.B.
(CL1822 Type)
C. Check compressor motor magnetic contactor.
F. Check float switch.
• Refer to “11. (3) Drain Pump Control”
D .Check indoor unit P.C.B.
• Check coil resistance of
compressor motor magnetic
contactor. (PR)
1896_X_S
1897_X_S
• Check voltage between
terminals No.1 and No.2 at
terminal plate.
• Check P.C.B. Ass’y.
No voltage appears.
P.C.B. Ass’y is defective.
0629_X_S
Is drainage prevented from
flowing ?
• Check drain hose.
YES
• Check float switch (FS).
NO (Wait for 20 minutes.)
1335_X_S
• Check voltage between
terminals No.5 and No.6 at
terminal plate.
• Check P.C.B. Ass’y.
No voltage appears.
P.C.B. Ass’y is defective.