Troubleshooting by Indication on the Remote Controller SiBE28-805142 Troubleshooting3.4 “A6” Indoor Unit: Fan Motor (M1F) Lock, OverloadRemoteControllerDisplayA6ApplicableModelsAll indoor unitsMethod ofMalfunctionDetectionDetection by failure of signal for detecting number of turns to come from the fan motorMalfunctionDecisionConditionsWhen number of turns can’t be detected even when output voltage to the fan is maximumSupposedCauses Fan motor lock Disconnected or faulty wiring between fan motor and PC boardTroubleshootingCautionBe sure to turn off power switch before connect or disconnect connector,or parts damage may be occurred.Connect the wiring and turn onagain.Fix the wiring and turn on again.YESNONONOYESYES Replace the indoor unit PC board.Replace the fan motor.Is thewiring from the fanmotor securely connectedto connectors on theindoor unit PCboard?Wiringbetween theindoor unit PC board andfan motor isdisconnected.Does the fan motor run?
