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York Error Codes

Every York error code we have catalogued, with what it means on site — 43 codes in total. In R-Pro, tap any code to get the meaning, likely causes and inspection steps, even with no signal in the plant room.

43 codes
CodeWhat it means
E0Indoor EEPROM error
E1Indoor–outdoor communication malfunction
E2Sensor malfunction
E3Indoor fan speed malfunction
E4Indoor room temperature sensor error
E5Evaporator coil temperature sensor error
E6Water level alarm
E7Indoor–outdoor communication fault
E8Dual indoor unit communication malfunction
E9Twin model malfunction
ECRefrigerant leak detection system malfunction
EFOther malfunction
F0Overload protection
F1Outdoor temp sensor error / IPM protection
F2Condenser pipe sensor error / compressor overcurrent
F3Discharge air temperature sensor error
F4Outdoor EEPROM / discharge overheat protection
F5Outdoor DC fan motor malfunction
F6Ambient temperature sensor failure
F7Suction temperature sensor failure
F8Outdoor DC fan motor fault
F9Auto-lifting panel is open
F11Compressor deviation from normal
F12Outdoor EEPROM error
F19Power voltage too high or low
F21Defrost temperature sensor failure
F22Outdoor AC overcurrent protection
F23Single-phase compressor overcurrent protection
F25Discharge temperature sensor failure
F28Loop station detection error
P0Inverter IPM module protection
P1High/low voltage protection
P2Compressor top overheating protection
P3Outdoor low-temperature protection
P4Compressor drive error
P5Mode conflict
P6Compressor low-pressure protection
P7Compressor 2nd overcurrent protection
P8Compressor overcurrent protection
PADefrost protection
PDOil return
PEOil balance
PFOther protection

Official York source / manual ↗

Look up any error code — offline — in R-Pro.

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