4. Service procedures
(4)Indoor unit does not run.
(Indoor fan and louver motor do not run.
P.C.B. Ass’y is defective.
0630_X_S
(5)Some part does not operate.
(1)Indoor fan does not run.
• Check fan rotation.
Rotate the fan gently once or twice by hand.
•Check resistance of fan motor winding.
OK
•Check fan motor capacitor.
OK
Fan cannot be rotated.
Check fan casing |
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| Remove foreign | |
for foreign matter |
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on the inside. |
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| matter or repair. |
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Fan motor burnout |
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| Repair or replace. | |
or foreign matter |
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in bearing. |
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Relay RY1 or RY2 on the
P.C.B. Ass’y is defective.
0631_X_S
(2) Louver motor does not run.
•Check resistance of louver motor winding.
OK
P.C.B. Ass’y or remote control unit is defective.
0632_X_S
SM830043
4
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