SiAF332111E Troubleshooting by Error Code
Part 6 Service Diagnosis 243
5.29.2 Outdoor Fan Motor Abnormality (6/8 HP Models)
Applicable
Models
RXMQ6/8AR
Error Code E7
Method of Error
Detection
Detect according to the value of current flowing through the PCB.
Detect error of the fan motor system according to the fan revolutions detected by the Hall IC
during the fan motor runs.
Error Decision
Conditions
When overcurrent is detected (Detecting overcurrent 4 times will shut down the system).
When the fan revolutions fall below a given level for a period of 6 seconds while in fan motor
rotation mode (Detecting shortage of revolutions will shut down the system).
Supposed
Causes
Fan motor failure
Disconnection of harness/connector between the fan motor and the PCB
Fan does not rotate due to foreign matter caught in it
Clearing condition: fan motor performs normal operation for a period of 5 minutes
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