Samsung AC052MN4DKH Service Manual

Also see for AC052MN4DKH: Installation manual

TroubleshootingSamsung Electronics 4-134-2-3 Four directions cassette typeError ModeCause MeasuresProduct operation with errorDiagnosismethodOperation Defrost Timer FilterOutdoorheatexchangercompressorOutdoorheatexchangerfanIndoorheatexchangerfanX X X Power reset - operation-offoperation-offoperation-off -X X XError of roomtemperature sensor inthe indoor unit (Open/Short)t$IFDLJOEPPSUFNQFSBUVSFsensor connection.t$IFDLJOEPPSUFNQFSBUVSFsensor’s resistance value tosee if it’s short/open.operation-offoperation-offoperation-off -X XError of heat exchangerIN/OUT sensor in theindoor unit (Open/Short)t$IFDL&7"*/065TFOTPSconnection.t$IFDL&7"*/065TFOTPSTresistance value to see if it’sshort/open.operation-off operation-off operation-off -X X X Error of fan motor in theindoor unitt$IFDLUIFDPOOFDUJPOPGmotor connectort$IFDLUIFTQFFEPGUIFNPUPSfanoperation-off operation-off operation-off -X XError of the outdoortemperature sensorError of the condensortemperature sensorError of the dischargetemperature sensort$IFDLJOEPPSUFNQFSBUVSFsensor connection.t$IFDLJOEPPSUFNQFSBUVSFsensor’s resistance value tosee if it’s short/open.operation-off operation-off operation-off -X XNo communicationfor 2 minutes betweenindoor and outdoor unit(communication errorfor more than 2 minutes)t$IFDLDPOOFDUJPOCFUXFFOindoor and outdoor heatexchangers’ communicationcablesoperation-offoperation-offoperation-off -X Error of outdoor unitt$IFDLFSSPSPDDVSSFEXJUIoutdoor heat exchanger.t5&3.*/"-#MPDLUIFSNBMFUSE error.(OPEN)operation-off operation-off operation-off -X X Detection of the floatswitcht$IFDLGMPBUTXJUDIconnection.t$IFDLXIFUIFSUIFESBJOIBTbeen filled with water.operation-off operation-off operation-off -EEPROM errorEEPROM option errort$IFDLJGUIFSFJTEBNBHFXJUIEEPROM component.t$IFDLUIFJOEPPSNPEFMUPset the options.t*OTQFDUJPOGPSNBUDIbetween indoor and outdoormachine modelsoperation-off operation-off operation-off -X Outdoor valve cloggingerror.t)JHIQSFTTVSFDIFDLWBMWFclogging.operation-offoperation-offoperation-off -On Blink X Off