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[ IX Troubleshooting ]
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HWE09120 GB
1. Error Code
Indoor unit fan operation error
2. Error definition and error detection method
1) During operation, it has been continuously detected for 100 seconds that the auxiliary relay (X13) for fan fault detection is not
excited.
3. Cause, check method and remedy
4109
Cause Check method and remedy
(1) Auxiliary relay (X13) fault Coil failure, disconnected coil
(2) Connector (CN28) is disconnected. Check the connector for proper connection.
(3) Blown fuse Check the fuse on the control circuit board.
(4) Motor error (thermistor error inside the motor) Check the unit fan for proper operation in the test run
mode.
If no problems are found with items 1 through 3 above and
the fan does not operate, replace the motor.