Daikin FTXS20K2V1B Service Manual

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Contents

Daikin FTXS20K2V1B Service Manual Manual pdf 114 page image

Check SiBE041134104 Service Diagnosis5.5 Four Way Valve Performance CheckCheck No.135.6 Inverter Units Refrigerant System CheckCheck No.14(R15737)NOYESYESNOTurn the power off and then 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).(R15833)YESNOReconnect the thermistor.Replace the refrigerant.Is thedischarge pipethermistor disconnectedfrom the holder?