Outdoor Fan Motor Abnormality - Daikin RXYQ-TA Series Service Manual

Troubleshooting by Error Code

3.33 Outdoor Fan Motor Abnormality

E7
Error Code
Applicable
All outdoor unit models
Models
Method of Error
Detection
Error Decision
Conditions
Supposed
Causes
223
Detect according to the value of current flowing through the inverter PCB (or fan PCB in case of
Fan Motor 2).
Detect error of the fan motor system according to the fan revolutions detected by the hall IC
during the fan motor runs.
Overcurrent is detected from the inverter PCB or the fan PCB (Detecting overcurrent 4 times will
shut down the system).
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).
Fan motor failure
Neglect to connect or defective connection 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
SiUS341615E
Service Diagnosis