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