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69

• During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used

to determine sensor errors.

• Faulty connector connection.
• Faulty sensor.
• Faulty  PCB.

70

• During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used

to determine sensor errors.

• Faulty connector connection.
• Faulty sensor.
• Faulty PCB.

71

• During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature

sensor are used to determine sensor errors.

• Faulty connector connection.
• Faulty sensor.
• Faulty  PCB.

72

• The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor.

• Operation stops due to short circuit inside the fan motor winding.
• Operation stops due to breaking of wire inside the fan motor.
• Operation stops due to breaking of fan motor lead wires.
• Operation stops due to Hall IC malfunction.
• Operation error due to faulty outdoor unit PCB.