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4. Service procedures
1
2
3
4
Section
– 72 –
SM830076
3) Compressor motor does not operate.
4) Outdoor fan does not operate.
No
Yes
Does compressor motor magnetic
contactor (52C) actuate ?
Replace the compressor
motor magnetic contactor.
Check resistance of compressor
motor winding.
Replace the compressor.
NG
0461_M_I
No
Yes
No
Yes
Is fan motor capacitor normal ?
No
Is there voltage output of
P.C.B. Ass’y for fan motor ?
Yes
Check resistance of fan motor
winding.
NG
Replace the fan motor.
Replace the relays.
Replace the capacitor.
Replace P.C.B. Ass’y
in the outdoor unit.
Are auxiliary relays (1Y)
normal ?
1148_THS_I