Daikin FTXN24KVJU Service Manual

Troubleshooting SiUS041111
82 Service Diagnosis
4.4 Fan Motor (DC Motor) or Related Abnormality
Remote
Controller
Display
A6
Method of
Malfunction
Detection
The rotation speed detected by the Hall IC during fan motor operation is used to determine
abnormal fan motor operation.
Malfunction
Decision
Conditions
The detected rotation speed does not reach the demanded rotation speed of the target tap, and is
less than 50% of the maximum fan motor rotation speed.
Supposed
Causes
 Disconnection of connector
 Foreign matters stuck in the fan
 Layer short inside the fan motor winding
 Breaking of wire inside the fan motor
 Breaking of the fan motor lead wires
 Defective capacitor of the fan motor
 Defective indoor unit PCB

Daikin FTXN24KVJU Specifications

General

Brand	Daikin
Model	FTXN24KVJU
Category	Air Conditioner
Language	English