ESIE12-06 Troubleshooting by Remote ControllerService Diagnosis 1394.6 Indoor Unit Fan Motor AbnormalityRemoteControllerDisplayA6ApplicableModelsAll models of indoor unitMethod of ErrorDetectionDetection of abnormal rotation speed of fan motor by signal from the fan motorError DecisionConditionsThe error is generated when the rotation speed of the fan motor are not detected while theoutput voltage to the fan is at its maximum.SupposedCauses Defective indoor unit fan motor Breaking or disconnection of wire Defective contact Defective indoor unit PCBTroubleshootingNote: Connector and indoor unit PCBRefer to P.199.Model Connector for fan motor PCBFCQG X20A A1PFHQG X20A A1PYESTurn OFF the power supply.Wait for 10min.Check for the fan motor connector.Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.YESNORemove the foreign matter.NOYESConnect correctly.NOYESReplace the fan motor.NO Replace the fan motor.Replace the indoor unit PCB.CHECK 5Is there anyforeign matter aroundthe fan?Is thefan motor harnessconnected to indoor unitPCB (*)?Withconnector for fanmotor (*) disconnected, canthe fan be easily turnedby hands?Isthe resistancebetween each pins abovejudgementstandard?CHECK 5
