SiBE061121 CheckService Diagnosis 1245.5 Four Way Valve Performance CheckCheck No.135.6 Inverter Unit Refrigerant System CheckCheck No.14(R11903)NOYESYESNOTurn off the power and turn it onagain.Disconnect the four way valve coilfrom the connector and check thecontinuity.Start heating operation.∗ Four way valve coilCooling / Dry : No continuityHeating : ContinuityReplace the outdoor unitPCB.Replace the four way valvecoil.Replace the four way valve.Four wayvalve coil resistance at1000 ~ 2000 Ω?S80voltage at 220 - 240VAC with compressoron? (Fig. 1)(R11904)(Fig. 1)Voltage at S80220 - 240 VACTimeCompressorONRefrigerant system checkCheck for refrigerant leakage.See the service diagnosis onrefrigerant shortage (U0).(R8259)YESNOPlace the thermistor.Replace the refrigerant.Is thedischargepipe thermistordisconnected from theholder?
