Troubleshooting by Remote Controller SiUS30-604150 TroubleshootingMalfunction code indication by outdoor unit PCBTo enter the monitor mode, push theMODE button (BS1) when in“Setting mode 1”.Push the SET button (BS2) and setthe LED display to a setting item.Push the RETURN button (BS3)once to display “First digit” ofmalfunction code.Push the SET button (BS2) once todisplay “Second digit” of malfunctioncode.Push the RETURN button (BS3) andswitches to the initial status of“Monitor mode”.∗ Push the MODE button (BS1) andreturns to “Setting mode 1”.Push the SET button (BS2) once todisplay “master or slave1 or slave2”and “malfunction location”.* Refer P.122 for Monitor mode.* Refer P.122 for Monitor mode.Detaildescriptionon nextpage.Contents of malfunction MalfunctioncodeAbnormal discharge pressure HPS activated E3Abnormal suction pressure Abnormal Pe E4Compressor lock Detection of INV compressor lock E5Over load, over current, abnormal lock ofoutdoor unit fan motor Instantaneous over current of DC fan motorDetection of DC fan motor lock E7Malfunction of electronic expansion valve EV1 E9EV3Abnormal position signal of outside unit fan motor Abnormal position signal of DC fan motor H7Faulty sensor of outside air temperature Faulty Ta sensor H9Abnormality in water system HJAbnormal discharge pipe temperature Abnormal Td F3Abnormal heat exchanger temperature Refrigerant over charge F6Faulty sensor of discharge pipe temperature Faulty Tdi sensor J3Faulty sensor of heat exchanger gas pipe thermistor Faulty Tg sensor J4Faulty sensor of suction pipe temperature Faulty Ts sensor J5Faulty sensor of receiver temperature Faulty Tl sensor J7Faulty sensor of subcool heat exchanger temperature Faulty Tsh sensor J9Faulty sensor of discharge pressure Faulty Pc sensor JAFaulty sensor of suction pressure Faulty Pe sensor JCFaulty Inverter PC board Faulty IPM L1Faulty Current sensor 1Faulty Current sensor 2Abnormal DIPSW settingInverter radiation fin temperature rising Over heating of inverter radiation fin temperature L4DC output over current Inverter instantaneous over current L5Electronic thermal switch Electronic thermal switch 1 L8Electronic thermal switch 2Out-of-stepSpeed down after startupLightening detectionStall prevention (Limit time) Stall prevention (Current increasing) L9Stall prevention (Faulty startup)Abnormal wave form in startupOut-of-stepTransmission error between inverter andoutdoor unitInverter transmission error LCOpen phase/Power supply imbalance Imbalance of inverter power supply voltage P1Faulty temperature sensor inside switch box Faulty thermistor of inverter box P3Faulty temperature sensor of inverterradiation finFaulty thermistor of inverter fin P4Incorrect combination of inverter and fan driver Incorrect combination of inverter and fan driver PJ
