Panasonic CS-NE9NKE Service Manual

Contents

Panasonic CS-NE9NKE Service Manual Manual pdf 57 page image

5715.3 Error Code TableDiagnosisdisplayAbnormality /Protection controlAbnormalityJudgmentProtectionOperation Problem Check locationH00 No memory of failure — Normal operation — —H11Indoor/outdoorabnormalcommunicationAfter operation for1 minuteIndoor fan onlyoperation canstart by enteringinto force coolingoperationIndoor/outdoorcommunication notestablish• Indoor/outdoor wire terminal• Indoor/outdoor PCB• Indoor/outdoor connection wireH12 Indoor unit capacityunmatched90s after powersupply —Total indoor capabilitymore than maximum limitor less than minimum limit,or number of indoor unitless than two• Indoor/outdoor connection wire• Indoor/outdoor PCB• Specification and combinationtable in catalogueH14Indoor intake airtemperature sensorabnormalityContinuous for 5s —Indoor intake airtemperature sensor openor short circuit• Indoor intake air temperaturesensor lead wire and connectorH15Compressortemperature sensorabnormalityContinuous for 5s — Compressor temperaturesensor open or short circuit• Compressor temperaturesensor lead wire and connectorH16Outdoor currenttransformer (CT)abnormality— — Current transformer faultyor compressor faulty• Outdoor PCB faulty orcompressor faultyH19 Indoor fan motormerchanism lockContinuoushappen for 7 times — Indoor fan motor lock orfeedback abnormal• Fan motor lead wire andconnector• Fan motor lock or blockH23Indoor heatexchangertemperature sensorabnormalityContinuous for 5s —Indoor heat exchangertemperature sensor openor short circuit• Indoor heat exchangertemperature sensor lead wireand connectorH24Indoor heatexchangertemperature sensor2 abnormalityContinuous for 5s —Indoor heat exchangertemperature sensor 2 openor short circuit• Indoor heat exchangertemperature sensor 2 lead wireand connectorH25 Indoor ion deviceabnormalityPort is ON for 10sduring ion device off — — • ion device PCBH27Outdoor airtemperature sensorabnormalityContinuous for 5s — Outdoor air temperaturesensor open or short circuit• Outdoor air temperature sensorlead wire and connectorH28Outdoor heatexchangertemperature sensor1 abnormalityContinuous for 5s —Outdoor heat exchangertemperature sensor 1 openor short circuit• Outdoor heat exchangertemperature sensor 1 lead wireand connectorH30Outdoor dischargepipe temperaturesensor abnormalityContinuous for 5s —Outdoor discharge pipetemperature sensor openor short circuit• Outdoor discharge pipetemperature sensor lead wireand connectorH32Outdoor heatexchangertemperature sensor2 abnormalityContinuous for 5s —Outdoor heat exchangertemperature sensor 2 openor short circuit• Outdoor heat exchangertemperature sensor 2 lead wireand connectorH33Indoor / outdoormisconnectionabnormality— — Indoor and outdoor ratedvoltage different • Indoor and outdoor units checkH34Outdoor heat sinktemperature sensorabnormalityContinuous for 2s —Outdoor heat sinktemperature sensor openor short circuit• Outdoor heat sink sensorH36Outdoor gas pipetemperature sensorabnormalityContinuous for 5sHeatingprotectionoperation onlyOutdoor gas pipetemperature sensor openor short circuit• Outdoor gas pipe temperaturesensor lead wire and connectorH37Outdoor liquid pipetemperature sensorabnormalityContinuous for 5sCoolingprotectionoperation onlyOutdoor liquid pipetemperature sensor openor short circuit• Outdoor liquid pipe temperaturesensor lead wire and connectorH38Indoor/Outdoormismatch (brandcode)— — Brand code not match • Check indoor unit and outdoorunitH39Abnormal indooroperating unit orstandby units3 times happenwithin 40 minutes —Wrong wiring andconnecting pipe, expansionvalve abnormality, indoorheat exchanger sensoropen circuit• Check indoor/outdoorconnection wire and connectionpipe• Indoor heat exchanger sensorlead wire and connector• Expansion valve and lead wireand connectorH41 Abnormal wiring orpiping connection — —Wrong wiring andconnecting pipe, expansionvalve abnormality• Check indoor/outdoorconnection wire and connectionpipe• Expansion valve and lead wireand connector