Panasonic CS-E15DKEW Service Manual

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Contents

Panasonic CS-E15DKEW Service Manual Manual pdf 19 page image

Error Codes TableDiagnosisdisplayAbnormality / Protection control AbnormalityJudgementEmergencyoperationPrimary location to verifyH11 Indoor / outdoor abnormalcommunication> 1 min after startingoperationIndoor fan operationonly• Internal / external cable connections• Indoor / Outdoor PCBH12 Connection capability rank abnormal — — —H14 Indoor intake air temperature sensorabnormalityContinue for 5 sec. — • Intake air temperature sensor(defective or disconnected)H15 Outdoor compressor temperature sensorabnormalityContinue for 5 sec. — • Compressor temperature sensor(defective or disconnected)H16 Outdoor Current Transformer opencircuit— — • Outdoor PCB• IPM (Power transistor) moduleH19 Indoor fan motor merchanism lock — — • Indoor PCB• Fan motorH23 Indoor heat exchanger temperaturesensor abnormalityContinue for 5 sec. O(Cooling only)• Heat exchanger temperature sensor(defective or disconnected)H26 Ion abnormality — — • Indoor PCB• IonizerH27 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 Discharge temperature sensorabnormalityContinue for 5 sec. — • Discharge temperature sensorH33 Indoor/Outdoor wrong connection — — • Indoor/Outdoor supply voltageH38 Indoor/Outdoor mismatch (brand code) — — —H97 Outdoor Fan Motor lock abnormality — — • 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 10 minutes— • Voltage at PFCF91 Refrigeration cycle abnormality 7 times occurancecontinuously— • No refrigerant(3-way valve is closed)F93 Outdoor compressor abnormal revolution 4 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)• CompressorNote:“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 “RESET” 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.95CS-E15DKEW CU-E15DKE / CS-E18DKEW CU-E18DKE / CS-E21DKES CU-E21DKE