E7 Outdoor Unit: Malfunction Of Outdoor Unit Fan Motor - Daikin RXYQ96PYDN Service Manual

SiUS34-801A_b
E7
3.19 Outdoor Unit: Malfunction of Outdoor Unit Fan Motor
E7
Remote
Controller
Display
Applicable RXYQ72P~240PYDN, PTJU
Models REYQ72P~240PYDN, PTJU
Method of
Detect a malfunction based on the current value in the INVERTER PC board (as for motor 2,
Malfunction current value in the fan PC board).
Detect a malfunction for the fan motor circuit based on the number of rotation detected by hole IC
Detection
during the fan motor operation.
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
Overcurrent is detected for INVERTER PC board (A2P) or fan INVERTER PC board (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
Defective or connection error of the connectors/ harness between the fan motor and PC board
The fan cannot rotate due to any foreign substances entangled.
Clear condition: Continue normal operation for 5 minutes
Troubleshooting by Indication on the Remote Controller
367