Daikin SkyAir GQI-Eco Series Service Manual

Also see for SkyAir GQI-Eco FCQG100EVEB: Service manual Installation manual

Contents

Daikin SkyAir GQI-Eco Series Service Manual Manual pdf 138 page image

Troubleshooting by Remote Controller SiBE281013128 Service Diagnosis4.17 Electronic Expansion Valve AbnormalityRemoteControllerDisplayE9ApplicableModelsRZQGMethod of ErrorDetection The error is detected whether the continuity of electronic expansion valve exist or not. The error is detected by the suction pipe superheat degree, discharge pipe superheatdegree and electronic expansion valve opening degree.Error DecisionConditions No common power supply when the power is ON. When the following conditions are met• Suction pipe superheat degree < 4°C• Minimum electronic expansion valve opening degree• Discharge pipe superheat degree < 5°CSupposedCauses Defective electronic expansion valve Disconnection of electronic expansion valve harness Defective connection of electronic expansion valve connector Defective each thermistor and mounting thermistor Defective pressure sensor Defective outdoor unit PCB Abnormal wet operation