Panasonic CS-NE7GKE Service Manual

Also see for CS-NE12GKE: Operating instructions

Panasonic CS-NE7GKE Service Manual Manual pdf 46 page image

4614.3. Error Codes TableNote:“O” - Frequency measured and fan speed fixed.The memory data of error code is erased when the power supply is cut off, or press the Auto Switch until “beep” sound heardfollowing by pressing the “CHECK” button at Remote Control.Although operation forced to stop when abnormality detected, emergency operation is possible for certain errors (refer to ErrorCodes Table) by using Remote Control or Auto Switch at indoor unit. However, the Remote Control signal receiving sound ischanged from one “beep” to four “beep” sounds.Diagnosisdisplay Abnormality / Protection control AbnormalityJudgementEmergencyoperationPrimary location to verifyH00 No abnormality detected — Normal operationH11 Indoor / outdoor abnormalcommunication> 1 min after startingoperationIndoor fan operationonly• Internal / external cable connections• Indoor / Outdoor PCBH14 Indoor intake air temperature sensorabnormalityContinue for 5 sec. — • Intake air temperature sensor(detective or disconnected)H15 Outdoor compressor temperaturesensor abnormalityContinue for 5 sec. — • Compressor temperature sensor(detective or disconnected)H16 Outdoor Current Transformer opencircuit— — • Outdoor PCB• IPM (Power transistor) moduleH19 Indoor fan motor merchanism lock 7 times occurrancecontinuously.— • Indoor PCB• Fan motorH23 Indoor heat exchanger temperaturesensor abnormalityContinue for 5 sec. O(Cooling only)• Heat exchanger temperature sensor(defective or disconnected)H24 Indoor heat exchanger temperaturesensor 2 abnormalityContinue for 5 sec. — • Heat exchanger temperature sensor2 (defective or disconnected)H27 Outdoor air temperature sensorabnormalityContinue for 5 sec. O • Outdoor temperature sensor(defective or disconnected)H28 Outdoor heat exchanger temperaturesensor abnormalityContinue for 5 sec. O • Outdoor heat exchangertemperature sensor (defective ordisconnected)H30 Outdoor discharge air temperaturesensor abnormalityContinue for 5 sec. — • Outdoor temperature sensor(defective or disconnected)H33 Indoor/Outdoor wrong connection — — • Indoor/Outdoor supply voltageH38 Indoor/outdoor mismatch (brand code) — — —H97 Outdoor fan motor mechanism locked 2 times occurrancewithin 30 minutes— • Outdoor PCB• Outdoor fan motorH98 Indoor high pressure protection — — • Air filter dirty• Air circulation short circuitH99 Indoor heat exchanger anti-freezingprotection— — • Insufficient refrigerant• Air filter dirtyF11 Cooling / Heating cycle changeoverabnormality4 times occurancewithin 30 minutes— • 4-way valve• V-coilF90 PFC control 4 times occurancewithin 20 minutes— • Voltage at PFCF91 Refrigeration cycle abnormal 2 times occurancewithin 20 minutes— • No refrigerant(3-way valve is closed)F93 Outdoor compressor abnormalrevolution4 times occurancewithin 20 minutes— • Outdoor compressorF95 Cool high pressure protection 4 times occurancewithin 20 minutes— • Outdoor refrigerant circuitF96 IPM (power transistor) overheatingprotection— — • Excess refrigerant• Improper heat radiation• IPM (Power transistor)F97 Outdoor compressor overheatingprotection4 times occurancewithin 20 minutes— • Insufficient refrigerant• CompressorF98 Total running current protection 3 times occurancewithin 20 minutes— • Excess refrigerant• Improper heat radiationF99 Outdoor Direct Current (DC) peakdetection7 times occurancecontinuously— • Outdoor PCB• IPM (Power transistor)• Compressor