Panasonic CS-NE9LKE Service Manual

Also see for CS-NE12JKE: Operating instructions Operating instructions

Contents

Panasonic CS-NE9LKE Service Manual Manual pdf 52 page image

5215.3. Error Codes TableAbnormality /Protection controlAbnormalityJudgementProtectionoperation Problem Check locationDiagnosisdisplayH00 No memory of failure — Normal operation — —H11 Indoor/outdoorabnormalcommunicationAfter operation for1 minuteIndoor fan onlyoperation canstart by enteringinto force coolingoperationIndoor/outdoorcommunication not establish• Indoor/outdoor wire terminal• Indoor/outdoor PCB• Indoor/outdoor connection wireH14 Indoor intake airtemperature sensorabnormalityContinuous for 5s — Indoor intake air temperaturesensor open or short circuit• Indoor intake air temperaturesensor lead wire and connectorH15 Compressortemperature sensorabnormalityContinuous for 5s — Compressor temperaturesensor open or short circuit• Compressor temperature sensorlead wire and connectorH16 Outdoor currenttransformer (CT)abnormality— — Current transformer faulty orcompressor 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 blockH23 Indoor heat exchangertemperature sensor 1abnormalityContinuous for 5s — Indoor heat exchangertemperature sensor 1 openor short circuit• Indoor heat exchangertemperature sensor 1 lead wireand connectorH24 Indoor heat exchangertemperature sensor 2abnormalityContinuous for 5s — Indoor heat exchangertemperature sensor 2 openor short circuit• Indoor heat exchangertemperature sensor 2 lead wireand connectorH25 Indoor E-IonabnormalityPort is ON for 10sduring E-Ion off— — • E-Ion PCBH27 Outdoor air temperaturesensor abnormalityContinuous for 5s — Outdoor air temperaturesensor open or short circuit• Outdoor air temperature sensorlead wire and connectorH28 Outdoor heat exchangertemperature sensor 1abnormalityContinuous for 5s — Outdoor heat exchangertemperature sensor 1 openor short circuit• Outdoor heat exchangertemperature sensor 1 lead wireand connectorH30 Outdoor discharge pipetemperature sensorabnormalityContinuous for 5s — Outdoor discharge pipetemperature sensor open orshort circuit• Outdoor discharge pipetemperature sensor lead wire andconnectorH33 Indoor / outdoormisconnectionabnormality— — Indoor and outdoor ratedvoltage different• Indoor and outdoor units checkH38 Indoor/Outdoormismatch (brand code)— — Brand code not match • Check indoor unit and outdoorunit.H58 Indoor gas sensorabnormalityContinuous for 6hours— Indoor gas sensor open orshort circuit• Indoor gas sensor• Indoor PCBH97 Outdoor fan motormechanism lock2 times happenwithin 30 minutes— Outdoor fan motor lock orfeedback abnormal• Outdoor fan motor lead wire andconnector• Fan motor lock or blockH98 Indoor high pressureprotection— — Indoor high pressureprotection (Heating)• Check indoor heat exchanger• Air filter dirty• Air circulation short circuitH99 Indoor operating unitfreeze protection— — Indoor freeze protection(Cooling)• Check indoor heat exchanger• Air filter dirty• Air circulation short circuitF11 4-way valve switchingabnormality4 times happenwithin 30 minutes— 4-way valve switchingabnormal• 4-way valve• Lead wire and connector.F90 Power factor correction(PFC) circuit protection4 times happenwithin 10 minutes— Power factor correctioncircuit abnormal• Outdoor PCB faultyF91 Refrigeration cycleabnormality2 times happenwithin 20 minutes— Refrigeration cycle abnormal • Insufficient refrigerant or valveclose