Outdoor Fan Motor Abnormality - Daikin VRV RXYMQ-A Series Service Manual

Troubleshooting by Error Code

5.28 Outdoor Fan Motor Abnormality

Applicable All outdoor unit models
Models
E7
Error Code
Method of Error
 Detect according to the value of current flowing through the PCB.
Detection  Detect error of the fan motor system according to the fan revolutions detected by the Hall IC
Error Decision
 When overcurrent is detected (Detecting overcurrent 4 times will shut down the system).
Conditions  When the fan revolutions fall below a given level for a period of 6 seconds while in fan motor
Supposed  Fan motor failure
Causes  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
202
during the fan motor runs.
rotation mode (Detecting shortage of revolutions will shut down the system).
SiME332106E
Part 6 Service Diagnosis