Troubleshooting by Indication on the Remote Controller SiBE31-801_C227 TroubleshootingRemoteControllerDisplayA6ApplicableModelsFXMQ50~140PMethod ofMalfunctionDetectionDetection from the current flow on the fan PCBDetection from the RPM of the fan motor in operationDetection from the position signal of the fan motorDetection from the current flow on the fan PCB when the fan motor starting operationMalfunctionDecisionConditions An overcurrent flows. The RPM is less than a certain level for 6 seconds. A position error in the fan rotor continues for 5 seconds or more. An overcurrent flows.SupposedCauses The clogging of a foreign matter The disconnection of the fan motor connectors (X1A and X2A) The disconnection of the connectors between the indoor PCB (A1P) and fan PCB (A2P) A failure in fan PCB (A2P) A failure in the fan motor
