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4. SERVICE PROCEDURES
(6)
Outdoor fan does not run.
• Check fan rotation.
Rotate the fan gently once
or twice by hand.
• Check resistance of fan
motor winding.
• Check fan motor capacitor
• Check continuity between
terminals on the compressor
motor magnetic contactor.
(7)
Outdoor fan speed is not switched from High to Low even when the outdoor
temperature falls below 25.5
• Check the thermostat (23S).
GR360X7 and GR480X7
• Check coil resistance of
the auxiliary relay.
4
(8)
Compressor does not run.
• Check compressor motor capacitor.
• Check resistance of compressor motor winding.
• Check compressor motor overload relay.
(Only SPW-C253G5, SPW-C253G5/M)
• Check continuity between terminals R-U, and
then S-V on the magnetic contactor.
Fan cannot
be rotated.
OK
°
C.
(1Y)
0634_X_S
OK
OK
OK
OK
Refer to 4-4
• Check fan casing
for foreign matter
on the inside.
• Fan motor burnout
or foreign matter
in bearing.
NG
NG
NG
NG
50
–
–
Remove foreign
matter or repair.
Repair or replace.
0633_X_S
Refer to
4-4
Refer to
4-4
Refer to
4-4
Replace magnetic
contactor.
0635_X_S
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