Gree Air Conditioner Error Codes

Sometimes when the air conditioner is broken, it is enough to know the cause of the failure to fix it easily without help of repairman. Below there are the tables of Gree air conditioner error codes. Each of the 8 tables contains information about a particular model of the Gree brand air conditioner.

Gree FLR12HP230V1AF Air Conditioner Error Codes

Malfunction NameIndoor Unit DisplayOutdoor Unit Indicators YellowOutdoor Unit Indicators RedPossible Causes
X-fan ModeALOperation status
Indoor Evap Coil Temperature Sensor Malfunctionb51) Loose or bad connection between sensor and control board
2) Indoor Evap Coil temperature sensor damaged
3) Control board malfunction
Gas valve temperature sensor is open/short circuitedb7Hardware malfunction
System Configuration MalfunctionC51) No jumper cap inserted on the control board
2) Incorrect or damaged jumper cap on control board
3) Indoor and outdoor units are not compatible
Communication wire error or electronic expansion valve malfunctionddOperation status
Wrong connection of communication wire or malfunction of electronic expansion valvednHardware malfunction
System High PressureE11) Over charged with refrigerant
2) Blocked or dirty outdoor
3) Extreme outdoor ambient conditions
Indoor Anti-Freeze ProtectionE23 flashes1) Lav return airflow
2) Indoor fan speed is too low
3) Indoor coil is blocked or dirty
Low Pressure ProtectionE39 flashes1) Lav on refrigerant
2) Pressure sensor is damaged
Compressa High Discharge Temperature ProtectionE47 flashes andlsecOff
Compressa High Discharge Temperature ProtectionE47 flashes andlsecOff
Overcurrent ProtectionE55 flashes andlsecOff1) Supply voltage is unstable
2) Supply voltage is too low and system load is too high
3) Indoa coil is blocked a dirty
Communication MalfunctionE6Continuous1) Communication cable is mis-wired between indoa and outdoor units
On2) Indoor a Outdoor control board malfunction
Mode conflict (Indoor units calling for simultaneously Heating and Cooling)E7Operation status

Gree GUD100ZDA-T Air Conditioner Error Codes

Error CodeCauseSolution
"E2" is displayedOne of the sensors on the appliance is faulty.Call the Service Centre.
"E3" is displayedOne of the sensors on the appliance is faulty.Call the Service Centre.
Symbol "PUMP" is displayedThe condensation discharge pump is missing.Check the hose is correctly positioned.
Disconnect and reconnect the plug.
Symbol Drop is displayedThe tank is missing.Replace the tank.
The tank is full.Empty the tank.
The tank is incorrectly positioned.Position the tank correctly.
“--” is displayedThe temperature in the room is very low.Increase room temperature.

Gree CROWN09HP230V1A Air Conditioner Error Codes

Indoor Unit DisplayMalfunction NameOutdoor Unit Indicators YellowOutdoor Unit Indicators RedPossible Causes
E1System High Pressure1) Overcharged with refrigerant
2) Blocked or dirty outdoor coil.
3) Extreme outdoor ambient conditions
E2Indoor Anti-Freeze Protection3 flashes and 1 sec Off1) Low return airflow.
2) Indoor fan speed is too low.
3) Indoor coil is blocked or dirty.
FORefrigerant Leakage Protection9 flashes and 1 sec Off1) refrigerant leakfs).
2) Indoor coil temperature sensor no calibrated
3) Refrigerant flow is restricted (ex. valve, debris)
E4Compressor High Discharge Temperature Protection7 flashes and 1 sec Off
E5Overcurrent Protection5 flashes and 1 sec Off1) Supply voltage is unstable.
2) Supply voltage is too low and system load is too high.
3) Indoor coil is blocked or dirty.
E6Communication MalfunctionContinuous1) Communication cable is miswired between indoor and outdoor units.
On2) Indoor or Outdoor control board malfunction.
E8High Temperature Resistant Protection6 flashes and 1 sec Off1) Incorrect refrigerant charge level.
2) Refrigerant metering device malfunction.
3) Compressor malfunction.
EEEEPROM Memory Malfunction11 flashes and 1 sec OffControl board malfunction.
C5System Configuration Malfunction1) No jumper cap inserted on the control board.
2) Incorrect or damaged jumper cap on control board.
3) Indoor and outdoor units are not compatible.
FoPump Down or Gathering Refrigerant Status17flashes and 1 sec OffOptional Seivice Mode
FIIndoor Ambient Temperature Sensor Malfunction1) loose or bad connection between sensor and control board.
2) Indoor ambient temperature sensor damaged.
3) Control board malfunction.
F2Indoor Coil Temperature Sensor Malfunction1) loose or bad connection between sensor and control board.
2) Indoor coil temperature sensor damaged.
3) Control board malfunction.
F3Outdoor Ambient Temperature Sensor Malfunction6 flashes and 1 sec Off1) loose or bad connection between sensor and control board.
2) Outdoor ambient temperature sensor damaged.
3) Control board malfunction.
F4Outdoor Coil Temperature Sensor Malfunction5 flashes and 1 sec Off1) loose or bad connection between sensor and control board.
2) Outdoor coil temperature sensor damaged
3) Control board malfunction.
F5Outdoor Discharge Temperature Sensor Malfunction7 flashes and 1 sec Off1) loose or bad connection between sensor and control board.
2) Discharge temperature sensor damaged
3) Control board malfunction.

Gree GMV-N22GA4A-K Air Conditioner Error Codes

Error CodeContent
LOIndoor Unit Error
L1Indoor Fan Protection
L2E-heater Protection
L3Water Full Protection
L4Power Supply Overcurrent Protection
L5Anti-freezing Protection
L7No Master Indoor Unit Error
L8Power Insufficiency Protection
dbSpecial Code: Project Debugging Code
dEIndoor Unit CO 2 Sensor Error
COCommunication Error
AJFilter Cleaning Reminding
d8Water Temperature Sensor Error
d9Jumper Cap Error
dAIndoor Unit Network Address Error
dHWired Controller Circuit Board Error
dCCapacity DIP Switch Setting Error
d1Indoor Unit Circuit Board Error
d3Ambient Temperature Sensor Error
d4Inlet Pipe Temperature Sensor Error
d6Outlet Pipe Temperature Sensor Error
dLOutlet Air Temperature Sensor Error
L9Quantity Of Group Control Indoor Units Setting Error
LAIndoor Units Incompatibility Error
LHLow Air Quality Warning
LCOutdoor-Indoor Incompatibility Error

Gree GSW12-22LB Air Conditioner Error Codes

Error CodeMalfunctionCause
U1Compressor Phase-CurrentControl board malfunction
Detection Malfunction
U2DC Bus Voltage Level Dropping MalfunctionUnstable supply voltage
U3Current Detection MalfunctionControl board malfunction
U4Reversing Valve Malfunction1) Voltage to reversing valve is less than 175V.
2) Loose connections between reversing valve and control
3) Reversing valve solenoid malfunction.
U9Zero Crossing Detection MalfunctionOutdoor control board malfunction

Gree GMS509AC Air Conditioner Error Codes

Error codeTroubleshooting
H1Means defrosting status. It’s the normal phenomenon.
C5Please contact qualified professionals for service.
F1Please contact qualified professionals for service.
F2Please contact qualified professionals for service.

Gree CAS12HP230V1AC Air Conditioner Error Codes

Error CodesEquipment FaultPossible Causes
F1Indoor Ambient Temp. SensorShort/Open of the Indoor Ambient Temperature Sensor
F2Indoor Evaporator Temp SensorShort/Open of the Indoor Evaporator Temperature Sensor
F3Outdoor Ambient Temp SensorShort/Open of the Outdoor Ambient Temperature Sensor
F4Outdoor Coil Temp SensorShort/Open of the Condenser Coil Temperature Sensor
F5Outdoor Discharge Air Temp SensorShort/Open of the Outdoor Discharge Temperature Sensor
b5Liquid Valve Inlet Temp SensorShort/Open of the Liquid Valve Temperature Sensor
b7Suction/Gas Valve Outlet Temp SensorShort/Open of the Gas/Suction Valve Temperature Sensor
C5Indoor Configuration JumperMissing Configuration Jumper on Indoor Control Board
E1Hiqh Pressure ProtectionToo much refriqerant or Hiqh Ambient conditions or low airflow.
E4High Discharge Temp ProtectionCompressor Discharge High Temperature Protection
E5High Current ProtectionPower Supply is Not Stable and Voltage Range too large
E6Communication ErrorCommunication Failure or mis-wired between Indoor/Outdoor
E8Overload ProtectionOverload Protection
E9Indoor Condensate FullIndoor condensate pan is full and needs to be drained.
H3Compressor Overheat ProtectionCompressor Thermal Overload Protection
H5IPM ProtectionModule Current Protection(namely IPM Protection)
H6Indoor fan MalfunctionIndoor Fan Stopped or Running too Slow
H7Motor DesvnchronizinqCompressor Desvnchronizinq
HePFC ErrorPFC Protection
LcStartup FailureCompressor Startup Failure
LdPhase LossCompressor phase Failure/Reverse Protection
LPIndoor/Outdoor MismatchIndoor and Outdoor Units Unmatched (Model or Capacity)
P5Compressor Current ProtectionPhase Over-Current Protection
P7Radiator Temp Sensor ErrorShort/Open Circuit of the Module Temperature Sensor
P8Radiator Overheat ProtectionModule Temperature Protection
U74-Way Valve MalfunctionBad Connection, Solenoid Failure or Valve Malfunction

Gree GPC12AJ-K3NNA1A(cold plasma) Air Conditioner Error Codes

Indoor Unit DisplayMalfunction NameOutdoor Unit Indicators YellowOutdoor Unit Indicators RedPossible Causes
PHHigh DC Bus Voltage Protection13 flashes and 1 sec Off1) Supply voltage on LI and N is above 265Vac
2) Capacitor on control board malfunction.
3) Outdoor control board malfunction.
PLLow DC Bus Voltage Protection12 flashes and 1 sec Off1) Supply voltage on LI and N is below 150Vac.
2) Capacitor on control board malfunction.
3) Outdoor control board malfunction.
P5Compressor Phase Current1) IPM module malfunction.
Protection2) Outdoor control board malfunction
3) Compressor malfunction.
PUCapacitor Charging MalfunctionCapacitor malfunction
P7Module Temperature Sensor MalfunctionOutdoor control board malfunction
P8Module Temperature Protection1) Lack of thermal grease on IPM module.
2) Heat sink (radiator) not tightly mounted.
3) Control board malfunction.
H3Compressor Overload Protection8 flashes and 1 sec Off1) Wiring terminal OVC-COMP is loose
H5IPM Module Protection4 flashes and 1 sec Off1) IPM module over heating.
2) Improper or Low voltage at the IPM module.
3) IPM module malfunction.
H6Indoor DC Fan Motor Malfunction1) Loose connections between fan motor and control board
2) Fan motor or blower wheel bearings malfunction.
3) Control board malfunction.
H7Compressor De-Synchronized Malfunction1) Compressor voltage is not balance.
2) Control board malfunction
3) Compressor malfunction
HCPower Factor Correction (PFC) Protection14 flashes and 1 sec Off1) Mis-wiring of the reactor filter and PFC capacitor.
2) Reactor filter or PFC capacitor malfunction.
3) Control board malfunction.
13Outdoor Fan Motor Malfunction14 flashes and 1 sec Off1) Loose connections between fan motor and control board
2) Fan motor malfunction.
3) Control board malfunction.
IPIncompatible Indoor and Outdoor Units16 flashes and 1 sec OffIndoor and outdoor units are not compatible.
LCStart-Up Malfunction1) Over charged with refrigerant
2) Control board malfunction.
3) Compressor malefaction.
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