Malfunction Of Indoor Unit Fan Motor - Daikin SkyAir Super Inverter 70 D Series Service Manual

SiE25-110
6.7

Malfunction of Indoor Unit Fan Motor

A6
Remote
Controller
Display
Applicable
FHYCP
Models
Method of
Detection of abnormal fan speed by signal from the fan motor
Malfunction
Detection
Malfunction When fan speed does not increase
Decision
Conditions
Supposed
Causes
Troubleshooting
Disconnection, short circuit or disengagement of connector in fan motor harness
Faulty fan motor (disconnection, poor insulation)
Abnormal signal from fan motor (faulty circuit)
Faulty PC board
Instantaneous fluctuation of power supply voltage
Fan motor lock
(Caused by motor or other external factors)
Fan does not turn due to a tangle of foreign matters.
Troubleshooting by Remote Controller Display / LED Display
139