Daikin RXYSQ4-5-6PA7V1B Service Manual

Contents

SiBE34-802ii IndexMM1 ........................................................................207M8 ........................................................................208MA ........................................................................209Malfunction code indication by outdoor unitPC board .......................................................138Malfunction of Capacity Determination Device ....153Malfunction of Discharge Pipe Thermistor(R2T) .............................................................175Malfunction of Drain Level Control System(S1L) .............................................................144Malfunction of High Pressure Sensor ...................180Malfunction of Humidity Sensor System ..............161Malfunction of Inverter Radiating Fin TemperatureRise ...............................................................183Malfunction of Low Pressure Sensor ...................181Malfunction of Moving Part of Electronic ExpansionValve (Y1E) ...................................................150Malfunction of Moving Part of Electronic ExpansionValve (Y1E, Y3E) ..........................................170Malfunction of Outdoor Unit Fan Motor ................169Malfunction of PC Board ......................................182Malfunction of Swing Flap Motor (M1S) ...............147Malfunction of System, Refrigerant System AddressUndefined ......................................................205Malfunction of Thermistor (R4T) ..........................179Malfunction of Thermistor (R6T) ...........................177Malfunction of Thermistor (R1T) for Suction Air ...159Malfunction of Thermistor (R2T) forHeat Exchanger ............................................156Malfunction of Thermistor (R3T) for Gas Pipes ....157Malfunction of Thermistor (R3T, R5T) forSuction Pipe 1, 2 ...........................................176Malfunction of Thermistor (R7T) forOutdoor Unit Liquid Pipe ...............................178Malfunction of Thermistor for Discharge Air .........160Malfunction of Thermostat Sensor in RemoteController ......................................................162Malfunction of Transmission between Central RemoteController and Indoor Unit .............................202Malfunction of Transmission between CentralizedRemote Controller and Indoor Unit ...............206Malfunction of Transmission between Indoor andOutdoor Units in the Same System ...............198Malfunction of Transmission between Indoor Unitsand Outdoor Units .........................................194Malfunction of Transmission between Inverter andControl PC Board ..........................................187Malfunction of Transmission between Main and SubRemote Controllers .......................................197Malfunction of Transmission between OptionalControllers for Centralized Control ................208Malfunction of Transmission between RemoteController and Indoor Unit .............................196MC ........................................................................211Method of Replacing The Inverter’s Power Transistorsand Diode Modules .......................................254NNormal Operation ...................................................49OOil Return Operation ............................................. 54Operation Lamp Blinks ........................................ 212Operation Mode .................................................... 48Operation when Power is Turned On .................... 85Option List ........................................................... 246Outdoor Unit PC Board Layout ............................. 86Outdoor Unit Thermistors for Discharge Pipe ..... 252PP1 ........................................................................ 188PC Board Defect ................................. 143, 163, 207Power Supply Insufficient orInstantaneous Failure ................................... 191Precautions for New Refrigerant (R-410A) .......... 258Pressure Sensor ................................................. 253Protection Control ................................................. 60Pump-down Residual Operation ........................... 57RRefrigerant Circuit ................................................. 40Refrigerant Cylinders .......................................... 260Refrigerant Overcharged ..................................... 173Restart Standby .................................................... 58SService Tools ...................................................... 261Setting by Dip Switches ...................................... 104Setting by pushbutton switches ........................... 106Setting of Low Noise Operation and DemandOperation ..................................................... 115Setting of Refrigerant Additional ChargingOperation ..................................................... 119Special Control ...................................................... 53Specifications .......................................................... 6Startup Control ...................................................... 53Stopping Operation ............................................... 59Swing Flaps ........................................................... 71Symptom-based Troubleshooting ....................... 125System is not Set yet .......................................... 204TTest OperationProcedure and Outline .................................... 74Thermistor Resistance /Temperature Characteristics ........................ 251Thermostat Sensor in Remote Controller .............. 68UU0 ........................................................................ 189U2 ........................................................................ 191U3 ........................................................................ 193U4 ........................................................................ 194U5 ........................................................................ 196U8 ........................................................................ 197U9 ........................................................................ 198UA ....................................................................... 200UC ....................................................................... 201UE ............................................................... 202, 206UF ....................................................................... 204UH ....................................................................... 205

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