SiEBE18-526 Troubleshooting for Outdoor UnitTroubleshooting 2997.6 Malfunction of Moving Part of Electronic ExpansionValveRemoteControllerDisplayE9ApplicableModelsAII outdoor unit modelsMethod ofMalfunctionDetectionCheck disconnection of connectorCheck continuity of expansion valve coilMalfunctionDecisionConditionsError is generated under no common power supply when the power is on.SupposedCauses Defect of moving part of electronic expansion valve Defect of outdoor unit PCB (A1P)Troubleshooting∗1 Coil check method for the moving part of the electronic expansion valveDisconnect the electronic expansion valve from the PCB and check the continuity between theconnector pins.Normal condition : Continuity Approx. 300Ω, {: Continuity Approx. 150Ω, ×: No continuity(Q0426)YESCautionBe sure to turn off power switch before connect or disconnect connector,or parts damage may be occurred.Return to normal?Turn power supply off, andturn power supply on again.Electronicexpansion valve isconnected to X26A andX28A of outdoor unitPCB(A1P).Normalwhen coilcheck (∗1) of the movingpart of the electronicexpansion valve ischecked.Replace outdoor unit PCB A1P.NONONOReplace the moving part of theelectronic expansion valve.External factor other thanmalfunction (for example, noiseetc.).After connecting, turn the poweroff and then back on again.YESYESPin No. 1. White 2. Yellow 3. Orange 4. Blue 5. Red 6. Brown1. White × × { ×2. Yellow × × {3. Orange × { ×4. Blue × {5. Red ×6. Brown
