4613.3 Error Code TableDiagnosisdisplayAbnormality / ProtectioncontrolAbnormalityJudgmentProtectionOperation Problem Check locationH00 No memory of failure — Normal operation — —H11 Indoor/outdoor abnormalcommunicationAfter operation for1 minuteIndoor fan onlyoperation can startby entering intoforce coolingoperationIndoor/outdoorcommunication notestablish Indoor/outdoor wire terminal Indoor/outdoor PCB Indoor/outdoor connectionwireH12 Indoor unit capacityunmatched90s after powersupply —Total indoor capabilitymore than maximum limitor less than minimumlimit, or number of indoorunit less than two Indoor/outdoor connectionwire Indoor/outdoor PCB Specification andcombination table incatalogueH14 Indoor intake air temperaturesensor abnormality Continuous for 5s —Indoor intake airtemperature sensor openor short circuit Indoor intake air temperaturesensor lead wire andconnectorH15 Compressor temperaturesensor abnormality Continuous for 5s —Compressor temperaturesensor open or shortcircuit Compressor temperaturesensor lead wire andconnectorH16 Outdoor current transformer(CT) abnormality — — Current transformer faultyor compressor faulty Outdoor PCB faulty orcompressor faultyH19 Indoor fan motor mechanismlockContinuous happenfor 7 times — Indoor fan motor lock orfeedback abnormal Fan motor lead wire andconnector Fan motor lock or blockH23Indoor heat exchangertemperature sensorabnormalityContinuous for 5s —Indoor heat exchangertemperature sensor openor short circuit Indoor heat exchangertemperature sensor lead wireand connectorH25 Indoor ion device abnormality Port is ON for 10sduring ion device off — — ion device PCBH27 Outdoor air temperaturesensor abnormality Continuous for 5s —Outdoor air temperaturesensor open or shortcircuit Outdoor air temperaturesensor lead wire andconnectorH28Outdoor heat exchangertemperature sensorabnormalityContinuous for 5s —Outdoor heat exchangertemperature sensor openor short circuit Outdoor heat exchangertemperature sensor lead wireand connectorH30Outdoor discharge pipetemperature sensorabnormalityContinuous for 5s —Outdoor discharge pipetemperature sensor openor short circuit Outdoor discharge pipetemperature sensor lead wireand connectorH33 Indoor / outdoormisconnection abnormality — — Indoor and outdoor ratedvoltage different Indoor and outdoor unitscheckH34Outdoor heat sinktemperature sensorabnormalityContinuous for 2s —Outdoor heat sinktemperature sensor openor short circuit Outdoor heat sink sensorH36 Outdoor gas pipe temperaturesensor abnormality Continuous for 5s Heating protectionoperation onlyOutdoor gas pipetemperature sensor openor short circuit Outdoor gas pipetemperature sensor lead wireand connectorH38 Indoor/Outdoor mismatch(brand code) — — Brand code not match Check indoor unit andoutdoor unitH39 Abnormal indoor operatingunit or standby units3 times happenwithin 40 minutes —Wrong wiring andconnecting pipe,expansion valveabnormality, indoor heatexchanger sensor opencircuit Check indoor/outdoorconnection wire andconnection pipe Indoor heat exchangersensor lead wire andconnector Expansion valve and leadwire and connectorH41 Abnormal wiring or pipingconnection — —Wrong wiring andconnecting pipe,expansion valveabnormality Check indoor/outdoorconnection wire andconnection pipe Expansion valve and leadwire and connectorH59 ECONAVI sensor abnormality Continuous for 25s — ECONAVI sensor open orshort circuit ECONAVI sensor (defectiveor disconnected) ECONAVI PCBH64 Outdoor high pressure sensorabnormalityContinuous for1 minute —High pressure sensoropen circuit duringcompressor stop High pressure sensor Lead wire and connector