Troubleshooting by Indication on the Remote Controller Mini UM S/M124 Troubleshooting4.18 “E7” Malfunction of Outdoor Unit Fan MotorRemoteControllerDisplayE7ApplicableModelsAII outdoor unit modelsMethod ofMalfunctionDetectionMalfunction of fan motor system is detected according to the fan speed detected by hall ICwhen the fan motor runs.MalfunctionDecisionConditions When the fan runs with speed less than a specified one for 14.5 seconds or more when thefan motor running conditions are met When malfunction is generated 4 times, the system shuts down.SupposedCauses Malfunction of fan motor The harness connector between fan motor and PC board is left in disconnected, or faultyconnector Fan does not run due to foreign matters tangled Clearing condition: Operate for 5 minutes (normal)TroubleshootingConnectorof fan motor isdisconnected.YESNONOYESCan the fanbe turned smoothlywith hand after disconnectthe connector offan motor?Is there anyobstacle aroundthe fan?YESNOCautionBe sure to turn off power switch before connect or disconnect connector,or parts damage may be occurred.Connect the connector.Remove the obstacle.Replace the fan motor ofoutdoor unit.(V3076)1A
