Panasonic CS-PS9NKV Service Manual

Contents

Panasonic CS-PS9NKV Service Manual Manual pdf 59 page image

5914.3 Error Code TableDiagnosisdisplay Abnormality / Protection control Abnormality Judgment EmergencyOperation Primary location to verifyH00 No abnormality detected - Normal operationH11 Indoor / Outdoor abnormalcommunication> 1 min after startingoperationIndoor fan operationonly• Internal / external cable connection• Indoor / outdoor PCBH12 Connection capability rank abnormality Continuously for 90 secafter power supplied- -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 open circuit - - • Outdoor PCB• IPM (Power transistor) moduleH19 Indoor fan motor mechanism locked 7 occurrencescontinuously- • Indoor PCB• Fan motorH23 Indoor heat exchanger temperaturesensor abnormalityContinue for 5 sec. ○ • Heat exchanger temperature sensor(defective or disconnected)H27 Outdoor air temperature sensorabnormalityContinue for 5 sec. ○ • Outdoor temperature sensor(defective or disconnected)H28 Outdoor heat exchanger temperaturesensor abnormalityContinue for 5 sec. ○ • Outdoor heat exchangertemperature sensor (defective ordisconnected)H30 Outdoor discharge pipe temperaturesensor abnormalityContinue for 5 sec. ○ • Outdoor discharge pipe temperaturesensor (defective or disconnected)H33 Indoor / outdoor wrong connection - - • Indoor / outdoor supply voltageH38 Indoor / outdoor mismatch (brand code) - - -H97 Outdoor fan motor mechanism locked 2 occurrences within 30minutes- • Outdoor PCB• Outdoor Fan MotorH98 Indoor temperature rise abnormality - - • Air filter dirty• Air circulation short circuitH99 Indoor heat exchanger freeze preventionprotection- - • Insufficient refrigerant• Air filter dirtyF11 4 way valve switching failure * 4 occurrences within 30minutes- • 4-way valve• v-coilF90 System and compressor microcomputercommunication error(for S10*** only)2 occurrences within 5seconds- • Compressor• Outdoor PCBF90 Power factor correction abnormality 4 occurrences within 20minutes- • Outdoor PCBF91 Refrigerant cycle abnormal 2 occurrences within 20minutes- • No refrigerant ( 3-way valve isclosed)F93 Outdoor compressor abnormal revolution 4 occurrences within 20minutes- • Outdoor compressorF95 Cooling high pressure protection 4 occurrences within 20minutes- • Outdoor refrigerant circuitF96 Intelligent power transistor overheatingprotection- • Excess refrigerant• Improper heat radiation• IPM (Power transistor)F97 Compressor temperature rise protectioncontrol4 times occurrence within20 minutes- • Insufficient refrigerant• CompressorF98 Total running current protection 3 times occurrence within20 minutes- • Excess refrigerant• Improper heat radiationF99 Outdoor direct current (DC) peakdetection7 times occurrencecontinuously- • Outdoor PCB• IPM (Power transistor)• CompressorNote:“○” – Frequency measured and fan speed fixed“ * ”– For cooling only model, it is the indication when indoor heat exchanger sensor or indoor air intake sensor hasabnormality.The memory data of error code is erased when the power supply is cut off, or press the Auto Switch until “beep”sound heard following 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 Error Code Table) by using remote control or Auto OFF/ON button at indoor unit. However, the remotecontrol signal receiving sound is changed from one “beep” to four “beep” sounds.