Error Codes: Outdoor Units ESIE05-033–76 Part 3 – Troubleshooting313453.12 Malfunction of Thermistor System (H9, J3, J5, J6)Remote ControllerDisplayH9, J3, J5, J6Method ofMalfunctionDetectionAbnormality is detected according to the temperature detected by each individual thermistor.MalfunctionDecisionConditionsWhen thermistor is disconnected or short-circuited during operationSupposed Causes P Faulty thermistorP Faulty connection of connectorP Faulty outdoor unit PC board (control PC board)TroubleshootingCaution 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(control PC board).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 thermistorNormal?Normal?NO* See page 3-107 and page 3-108 for “Thermistor temperature/Resistance characteristics”.”
