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Error code reference
Frigidaire Air Conditioner Error Codes
46 error codes documented with diagnostic procedures.
Have your model number? Get codes specific to your unit.
ASAmbient thermistor sensor located in front of the evaporator has failed.C5Jumper cap malfunction protection.CSCondenser thermostat sensor has failed (heat pump models only); displays for 1 second…d1DRED1 status indicator.d2DRED2 status indicator.d3DRED3 status indicator.E2Anti-freezing protection.E3Communication failure between indoor unit and outdoor unit.E4Compressor exhaust high temperature protection.E5AC over-current protection.E6Communication failure between indoor unit and outdoor unit (or indoor main board and…E8Anti-high temperature protection.EELoading EEPROM malfunction.ESEvaporator thermistor sensor has failed.EUFrequency limiting (module temperature).F0Refrigerant leakage protection.F1Indoor ambient temperature sensor is open or short-circuited.F2Indoor evaporator temperature sensor is open or short-circuited.F3Outdoor ambient sensor open or short circuit.F4Outdoor ambient temperature sensor is open or short-circuited.F5Exhaust sensor open or short circuit.F6Overload limit / drop frequency.F8Over current limit / drop frequency.F9High exhaust temperature limit / drop frequency.FHAnti-freezing limit / drop frequency.FoGathering refrigerant (refrigerant recovery mode).FPLow temperature prevention protection activated; A/C enters pure electric heating mode.H1Defrosting (normal operation indicator).H3Compressor overload protection.H4Block or low pressure of refrigerant system.H5IPM protection / Module temperature is too high.H6No feedback of indoor fan motor (blocked protection).HCPFC protection.HSHeat thermistor sensor has failed (heat capable models only).L3Outdoor DC fan motor malfunction.L9Power protection.LPIndoor unit and outdoor unit doesn't match.LUFrequency limiting (power).OSOutdoor ambient thermostat sensor has failed (heat pump models only); displays for 1…P0Compressor minimum frequency in test state.P1Compressor intermediate frequency in test state.P2Compressor rated frequency in test state.P3Compressor maximum frequency in test state.PHHigh PN voltage protection.PLLow PN voltage protection.U74-way valve reversal abnormal.
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