User's Manual

SM830043
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4
4. Service procedures
(6) Outdoor fan does not run.
• Check resistance of fan
motor winding.
• Check fan motor capacitor
OK
• Check continuity between
terminals on the compressor
motor magnetic contactor.
• Check fan rotation.
Rotate the fan gently once
or twice by hand.
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• Check fan casing
for foreign matter
on the inside.
Remove foreign
matter or repair.
Repair or replace.
Fan cannot
be rotated.
• Fan motor burnout
or foreign matter
in bearing.
SPW-C363G8, SPW-C363G8/M and SPW-C483G8, SPW-C483G8/M
(8) Compressor does not run.
• Check compressor motor capacitor.
Refer to
4-4
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• Check resistance of compressor motor winding.
• Check compressor motor overload relay.
(Only SPW-C253G5, SPW-C253G5/M)
OK
OK
OK
NG
NG
NG
Refer to
4-4
Refer to
4-4
Refer to 4-4
NG
Replace magnetic
contactor.
• Check continuity between terminals R-U, and
then S-V on the magnetic contactor.
OK
(7) Outdoor fan speed is not switched from High to Low even when the outdoor
temperature falls below 25.5°C.
• Check the thermostat (23S).
• Check coil resistance of
the auxiliary relay.
(1Y)
0634_X_S