Samsung SH07AS2 Service Manual

Also see for SH07AS2: Installation manual Owner's instructions Owner's instructions Technical manual

Contents

Samsung Electronics22Troubleshooting6-2-4 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 procedureAfter unplugging out the power cord shouldbe reconnected within 5 seconds.Does the OPERATION lamp blink?Does the Solid State Relay(SS71) work properly?Is the supply voltage of the fan motor sufficient?Test rod locationPCB CN72 ConditionAbout AC 180VNormalvoltagepin #3 and #5 Fan operatingYesYesYesYesNoNoNo Check as in the procedure "NO power"PCB isout of order. PCB should be replaced.Replace MotorFan-CapacitorFan motor should be replaced.Fan motor is out of order.Motor Fan-Capacitor is out of orderTest rod location+ -SS71-SS71- 12VNormalVoltageMicom isout of order. Micom should be replacedIndoor fan motor malfunctionDescriptionLAMPOPERATION TIMER TURBO 7-segmentDisplay: Lamp flickering: Lamp off