ESIE13-02 Error Codes: Outdoor Units121 Part 4 – Troubleshooting434544.9 “H9, J3, J5, J6, J7, J8” Thermistor or Related Abnormality (Outdoor Unit)Remote controllerdisplayH9, J3, J5, J6, J7, J8Method ofmalfunctiondetectionAbnormality is detected according to the temperature detected by each individual thermistor.Malfunctiondecision conditionsWhen thermistor is disconnected or short-circuited during operationSupposed causes Faulty thermistor Faulty connection of connector Faulty outdoor unit PC board (control PC board)Troubleshooting(*) See also "Check No.4 - Resistance Conversion Table (Ambient, Coil, Fin)" on page 153.Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may beoccurred.YESYESNOCheck connectors forconnection.Connect correctly.Replace the thermistor.* Replace the outdoor unit PC board(A1P) ERHQ***V3* / ERLQ***V3** Replace the control PC board (A1P)ERHQ***W1* / ERLQ***W1*Remove thermistor fromoutdoor unit PC board,then measure theresistance using a tester.H9 : Malfunction of outdoor temperature thermistor systemJ3 : Malfunction of discharge pipe thermistor systemJ5 : Malfunction of suction pipe thermistor systemJ6 : Malfunction of heat exchange thermistorJ7: Malfunction of subcooling heat exchanger thermistorJ8: Malfunction of liquid thermistorNormal?Normal?NO
