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9.3 Troubleshooting for Normal Malfunction
1. Air Conditioner Cant be Started Up
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or poor connection for wiring
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2. Poor Cooling (Heating) for Air Conditioner
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motor is set too low
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3. Horizontal Louver Cant Swing
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Wrong wire connection, or poor
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Stepping motor is damaged
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Compressor cant operate
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diagram
Stepping motor cant operate
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Repair or replace remote controller
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Add refrigerant.
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Connect wires according to wiring diagram to
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Repair or replace stepping motor
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Service Manual
Installation and Maintenance