Panasonic air conditioner error codes
By model series
All codes
E01Indoor/outdoor communication failureE02HIC circuit failure (Compressor/Fan circuit)E03Outdoor unit OTP rom failureE04Peak current cut offE05PAM or Active circuit failureE06High compressor discharge temperatureE07Indoor fan operating failureE084 way valve switching failure (RV)E09No refrigerant protectionE10DC compressor drive circuit failureE11Outdoor fan operating failureE12Error in outdoor unitE13Freeze prevention activatedF 11incorrect operation of the four-way valveF15The malfunction is due to the removal of the condensate from the indoor unit; the drainage pan is fullF 16Malfunction of the stepper motor blinds, or they are not connectedF 17freezing of the indoor unit in standby mode, an error appears on the unit on which the fact of freezing is…F 18Dry circuit blocked abnormalityF20Closed or torn room temperature sensorF21The evaporator temperature sensor is closed or broken, or freezing due to freon leakageF25Improper addressing of indoor units under centralized management (address conflict)F26Remote control wire breakF27Interconnect cable breakF30The total cooling capacity of the indoor units or the number of indoor units is incorrectF31Freezing error (cold models)F32DC inverter protection (IPM transistor module malfunction or compressor jamming)F35Outdoor Unit DC Fan Motor (DC)F40There is a problem with the outlet temperature sensor. CN-TH1 outdoor unit circuit board connector (open…F41High pressure sensor triggered. CN-PSW1 outdoor unit circuit board connector (open circuit)F42Open in the current sensor circuit (malfunction of the electronic filter board (NOISE FILTER) of the outdoor…F44Inverter protection (overheating of the IPM transistor board, malfunction of the main board of the outdoor…F 87Control box overheat protectionF 90open circuit of compressor windings, difference in winding resistance, inverter board malfunctionF 91Incorrect operation of the refrigeration circuit, low pressure protectionF 93open compressor windings, inverter board malfunctionF 94overpressure protectionF 95outdoor unit heat exchanger overheatingF 96overheating of the power module, silt for cartoons - actuation of the thermal tabletF 97high compressor discharge temperature, compressor overheatingF 98protection for total current consumption F99 error of the DC protection system, possible causes are jamming of…F 99Outdoor Direct Current (DC) peak detection — 7 times occurance continuouslyH 00No Issues ReportedH 11There is no communication between the indoor and outdoor unit, the control board is defectiveH 12mismatch of the total power of indoor units to outdoorH 14air sensor shorted / disconnectedH 15open circuit or short circuit compressor temperature sensorH 16low current consumption by the external unit - there is not enough freon, an open circuit in the current…H 17open circuit or short circuit temperature sensor on the refrigerant suction pipeH 19jamming of the fan motor of the indoor unit - motor, board or wire connectorsH 21drainage blocked or float sensor defectiveH 23evaporator temperature sensor N1 closed / disconnectedH 24evaporator temperature sensor N2 closed / brokenH 25defective ionization unit or internal boardH 26ionizerH 27street temperature sensor short-circuitedH 28capacitor temperature sensor N1 closed / disconnectedH 30discharge temperature sensor is closed or brokenH 31Abnormal swimming pool sensorH 32temperature sensor at the output of the condenser is closed or brokenH 33interconnect errorH 34Power module heatsink temperature sensor short-circuitedH 35drainage blockage, pump malfunction (pump motor winding resistance is about 200 Ohms)H 36outdoor unit gas tube temperature sensor closed / torn offH 37outdoor unit liquid tube temperature sensor short-circuitedH 38Indoor/outdoor mismatch (brand code)H 39wires and freon circuits are mixed up (multisplit system), solenoid valve of the corresponding outdoor unit is…H 41Inconsistency in the connection of wires and freon conduitsH 50defective fan motor or boardH 51nozzle blockage (AC Robot)H 52Malfunction of the limiter switch (AC Robot)H 58malfunction of the Patrol Sensor unitH 59Eco sensor abnormalityH 64malfunction of the high pressure sensorH 67nanoe abnormalityH 70Light sensor abnormalityH 71DC cooling fan inside control board abnormalityH 72Abnormality tank temperature sensorH 79Wireless LAN module write errorH 81Outdoor electronic component self-check abnormalityH 85Abnormal communication between indoor & wireless LAN moduleH 86Dust sensor abnormalityH 97faulty compressor motor, indoor unit boardH 98protection of the indoor unit from overheating in heat (high pressure) mode, insufficient heat removal from…H 99freezing of the evaporatorS01Room temperature sensor failureS02Indoor coil sensor failureS03Humidity sensor failureS04Comp. temperature sensor failureS05Outdoor coil sensor failureS06Outdoor air sensor failureS07Outdoor current sensor failureF29-01incorrect configuration of parameters (Dip switches) on the indoor unit boardF29-02same (see above)F29-12incorrect setting of parameters (Dip-switches) on the remote controlF30-02rephasing or phase failureF30-06phase imbalanceF30-07power problemF31-02high condensing pressureF33-01increased current consumption by compressorF33-02compressor discharge temperature protection (overheating, leakage or refueling)F40-41compressor discharge temperature sensor shorted or brokenF40-61malfunction of the temperature sensor of the heat exchanger of the outdoor unit (open or short circuit)F41-02high pressure sensor open / high pressure protectionF41-03high pressure switch in heat pump mode / high pressure protection in heat pump modeF42-01increased current consumption by the compressor, or the current sensor is faultyF49-01incorrect configuration of parameters (Dip switches) on the outdoor unit