Gree Cozy AC Error Codes

Gree Cozy AC Error Codes


E1: High pressure protection of system
E2: Antifreezing protection
F0: In defect of refrigerant
E4: High discharge temperature protection of compressor
E5: Overcurrent protection
E6: Communication Malfunction
E8: High temperature resistant protection
EE: EEPROM malfunction
EU: Limit/ decrease frequency due to high temperature of module

C5: Malfunction protection of jumper cap

Fo: Gathering refrigerant-Nominal cooling mode
F1: Indoor ambient temperature sensor is open/short circuited
F2: Indoor evaporator temperature sensor is open/short circuited
F3: Outdoor ambient temperature sensor is open/short circuited
F4: Outdoor condenser temperature sensor is open/short circuited
F5: Outdoor discharge temperature sensor is open/short circuited
F6: Limit/ decrease frequency due to overload
F8: Decrease frequency due to overcurrent
F9: Decrease frequency due to high air discharge
FH: Limit/ decrease frequency due to antifreezing
PH: Voltage for DC bus-bar is too high
PL: Voltage of DC bus-bar is too low
P0: Compressor Min frequence in test state
P1: Compressor rated frequence in test state
P2: Compressor maximum frequence in test state
P3: Compressor intermediate frequence in test state
P5: Overcurrent protection of phase current for compressor
PU: Charging malfunction of capacitor
P7: Malfunction of module temperature sensor circuit
P8: Module high temperature protection
H0: Decrease frequency due to high temperature resistant during heating operation
H2: Static dedusting protection
H3: Overload protection for compressor
H4: System is abnormal
H5: IPM protection
H5: Module temperature is too high
H6: Internal motor (fan motor) do not operate
H7: Desynchronizing of compressor
HC: PFC protection
L3: Outdoor DC fan motor malfunction
L9: power protection
LP: Indoor unit and outdoor unit doesn’t match
LC: Failure startup
U1: Malfunction of phase current detection circuit for compressor
U3: Malfunction of voltage dropping for DC bus-bar
U5: Malfunction of complete units current detection
U7: The four-way valve is abnormal
U9: Zerocrossing malfunction of outdoor unit

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