Samsung AS18WJWB Service Manual

Also see for AS18WJWB: User manual User manual

Contents

29Samsung ElectronicsTroubleshootingTest rod location+ -SS71- SS71- 12VNormalVoltage6-3-2 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis)1. Checklist :1) Is the indoor unit fan motor properly connected with the connector (CN72)?2) Is the AC voltage correct?3) Is HALL IC in indoor fan motor properly connected with the connector (CN44)?4) Is the running capacitor (CR71) properly connected with PCB board?2. Troubleshooting procedureYesYesYesYesAfter unplugging out the power cord shouldbe reconnected within 5 seconds.No Check as in the procedure"No power parts"No Micomshould be replacedDoes the Solid State Relay(SS71) work properly?Does the OPERATION lamp blink?Micom isout of order.Test rod locationPCB CN72 Conditionpin #3 and #5 Fan operate About AC180VNormalVoltageNo PCB should bereplaced.Is the supply voltage of the fan motor sufficient? PCB isout of order.Fan motorshould be replaced.Fan motoris out of order.Replace MotorFan-CapacitorMotor Fan-Capacitor is out of order