E7 " Outdoor Unit: Malfunction Of Outdoor Unit Fan Motor - Daikin RQYQ140-180PY1 Service Manual

SiBE341001
E7
2.11 " " Outdoor Unit: Malfunction of Outdoor Unit Fan
Motor
E7
Remote
Controller
Display
Applicable RQYQ-PY1
RQEQ-PY1
Models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
Detect a malfunction based on the current value in the INVERTER PCB (as for motor 2,
current value in the fan PCB).
Detect a malfunction for the fan motor circuit based on the number of rotation detected by
hole IC during the fan motor operation.
Overcurrent is detected for INVERTER PCB (A2P) or fan INVERTER PCB (A5P)
(System down is caused by 4 times of detection.)
In the condition of fan motor rotation, the number of rotation is below the fixed number for
more than 6 seconds. (System down is caused by 4 times of detection.)
Failure of fan motor
Defect or connection error of the connectors/ harness between the fan motor and PCB
The fan can not rotate due to any foreign substances entangled.
Clear condition: Continue normal operation for 5 minutes
Troubleshooting by Remote Controller
118