Daikin RY35GXV1 Service Manual
Also see for FTY25GXV1: Service manualService manualInstallation manual
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Contents
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SiBE01-829 TroubleshootingService Diagnosis 474.4 Fan Motor or Related Abnormality (AC motor)RemoteControllerDisplayA6Method ofMalfunctionDetectionThe rotation speed detected by the Hall IC during fan motor operation is used to determineabnormal fan motor operation.MalfunctionDecisionConditionsWhen the fun is not running or there is no fan speed feedback to the controller for 10 seconds.SupposedCauses Operation halt due to short circuit inside the fan motor winding. Operation halt due to breaking of wire inside the fan motor. Operation halt due to breaking of the fan motor lead wires. Operation halt due to faulty capacitor of the fan motor. Detection error due to faulty indoor unit PCB.TroubleshootingCheck No.16Refer to P.57NONONOCheck No. 16Check Hall ICNONONOYESYESYESYESYESYES(R8504)CautionBe sure to turn off power switch before connect or disconnect connector,or parts damage may be occurred.Replace the fan motor or controlPCB.Replace the fan motor.Replace control PCB.∗ Measure the voltage betweenthe white and black lead wires ofthe fan motor, and check if themaximum voltage reaches therated voltage.Replace the capacitor.(Replace the control PCB.)Replace the fan motor.Replace the fan motor.Replace the control PCB.Does it rotate?Is there an output?Is it at the rated voltage? ∗Does it rotate smoothly?Is it at the rated voltage? ∗Is there conductivity?Operate the fan.Rotate the fan by hand.Check the fan motor voltage.Check the fan motor voltage.(immediately after re-start)Check the capacitor's conductivity |
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