SiUS181631EA Troubleshooting for Outdoor UnitTroubleshooting 2397.11 Suction Pipe Thermistor (R3T, R5T) AbnormalityError Code J5Method of ErrorDetectionThe temperature detected by the suction pipe thermistor determines the error.Error DecisionConditionsWhen a short circuit or an open circuit in the suction pipe thermistor is detectedSupposedCauses Disconnection of thermistor Defective suction pipe thermistor (R3T, R5T) Defective main PCB (A1P)TroubleshootingRefer to Thermistor Resistance/Temperature Characteristics table 1 on page 267.Refer to page 175 for details about monitor mode.Is the thermistorASSY connected toX12A on the main PCB(A1P)?Is theresistancenormal whenmeasured afterdisconnecting thethermistor (R3T,R5T)? (3.5 kΩ ~360 kΩ)Replace the main PCB(A1P).(R18082)Connect the thermistor andturn on again.NOReplace the defectivethermistor (R3T, R5T).NOYESYESIdentify the defectivethermistor (R3T or R5T) inmonitor mode.CautionBe sure to turn off the power switch before connecting or disconnectingconnectors, or parts may be damaged.
