SiME281501E Troubleshooting by Remote ControllerService Diagnosis 1224.25 Thermistor System AbnormalityError Code H9, J3, J5, J6, J7, J8ApplicableModelsRZQMethod of ErrorDetectionThe error is detected according to the temperature detected by each thermistor.Error DecisionConditionsWhen thermistor is disconnected or short-circuited during operationSupposedCauses Defective thermistor Defective connection of connector Defective outdoor unit control PCBTroubleshootingRefer to P.152.Error Code Defective Thermistor Electric SymbolH9 Outdoor air thermistor R1TJ3 Discharge pipe thermistor R2TJ5 Suction pipe thermistor R3TJ6 Heat exchanger thermistor R4TJ7 Intermediate heat exchanger thermistor R5TJ8 Liquid pipe thermistor R6TConnect correctly.Is it normal?Replace the outdoor unit controlPCB (A1P).NOCaution Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.Remove thermistor from outdoor unitPCB, then measure the resistanceusing a tester.Check connectors for connection.YESReplace the thermistor.Is it normal?NOYESCHECK 1CHECK 1
