Gree Mini Split Air Conditioner Troubleshooting and Error Codes

Find here Complete List of Gree Mini Split Air Conditioner Troubleshooting and Error Codes. Whenever there is an Issue, The display of Gree Air Conditioner will show Error Code. This means that there is a problem with the Gree Mini Split AC unit.  The Gree Mini Split Air Conditioner Error Code tells you what is the problem and which part is responsible for it and what you need to do for Gree Mini Split Air Conditioner Troubleshooting. Please see the below listed Gree Mini Split AC Error Codes and resolve your issue based on it.

The Gree AC Vireo System is very advanced and has a diagnostics system with error codes. It outdoor unit main function is to display the status indicators and the indoor wall unit main function and function of remote control is to show the error codes.

Gree Mini Split Air Conditioner Troubleshooting and Error Codes

Gree Mini Split Air Conditioner Error Code E1
Meaning: System High Pressure
Solution
1) Overcharged with refrigerant.
2) Blocked or dirty outdoor coil .
3) Extreme outdoor ambient conditions

Gree Mini Split Air Conditioner Error Code E2
Meaning: Indoor Anti-Freeze Protection
Solution
1) Low return airflow.
2) Indoor fan speed is too low.
3) Indoor coil is blocked or dirty

Gree Mini Split Air Conditioner Error Code F0
Meaning: Refrigerant Leakage Protection
Solution
1) refrigerant leak(s).
2) Indoorcoil temperature sensor no calibrated.
3) Refrigerant flow is restricted ( ex. valve, exv, debris)

Gree Mini Split Air Conditioner Error Code E4
Meaning: Compressor High Discharge Temperature Protection
Solution
Please refer to the malfunction analysis (discharge
temperature, overload) in service manual.

Gree Mini Split Air Conditioner Error Code E5
Meaning: Overcurrent Protection
Solution
1) Supply voltage is unstable.
2) Supply voltage is too low and system load is too high.
3) Indoor coil is blocked or dirty

Gree Mini Split Air Conditioner Error Code E6
Meaning: Communication Malfunction
Solution
1) Communication cable is mis-wired between indoor
and outdoor units.
2) Indoor or Outdoor control board malfunction

Gree Mini Split Air Conditioner Error Code E8
Meaning: High Temperature Resistant Protection
Solution
1) Incorrect refrigerant charge level.
2) Refrigerant metering device malfunction.
3) Compressor malfunction.

Gree Mini Split Air Conditioner Troubleshooting and Error Codes

Gree Mini Split Air Conditioner Error Code EE
Meaning: EEPROM Memory Malfunction
Solution
Control board malfunction

Gree Mini Split Air Conditioner Error Code C5
Meaning: System Configuration Malfunction
Solution
1) No jumpercap inserted on the control board.
2) Incorrect or damaged jumpercap on control board.
3) Indoor and outdoor units are not compatible.

Gree Mini Split Air Conditioner Error Code Fo
Meaning: Pump Down or Gathering Refrigerant Status
Solution
Optional Service Mode

Gree Mini Split Air Conditioner Error Code F1
Meaning: IndoorAmbient Temperature Sensor Malfunction
Solution
1) Loose or bad connection between sensor and control board.
2) Indoor ambient temperature sensor damaged.
3) Control board malfunction.

Gree Mini Split Air Conditioner Error Code F2
Meaning: Indoor Coil Temperature Sensor Malfunction
Solution
1) Loose or bad connection between sensor and control board.
2) Indoorcoil temperature sensor damaged.
3) Control board malfunction.

Gree Mini Split Air Conditioner Error Code F3
Meaning: Outdoor Ambient Temperature Sensor Malfunction
Solution
1) Loose or bad connection between sensor and control board.
2) Outdoor ambient temperature sensor damaged.
3) Control board malfunction.

Gree Mini Split Air Conditioner Error Code F4
Meaning: Outdoor Coil Temperature Sensor Malfunction
Solution
1) Loose or bad connection between sensor and control board.
2) Outdoor coil temperature sensor damaged.
3) Control board malfunction.

Gree Mini Split Air Conditioner Error Code F5
Meaning: Outdoor Discharge Temperature Sensor Malfunction
Solution
1) Loose or bad connection between sensor and control board.
2) Discharge temperature sensor damaged.
3) Control board malfunction.

Gree Mini Split Air Conditioner Troubleshooting and Error Codes

Gree Mini Split Air Conditioner Error Code PH
Meaning: High DC Bus Voltage Protection
Solution
1) Supply voltage on L1 and N is above 265Vac.
2) Capacitor on control board malfunction.
3) Outdoor control board malfunction.

Gree Mini Split Air Conditioner Error Code PL
Meaning: Low DC Bus Voltage Protection
Solution
1) Supply voltage on L1 and N is below 150Vac.
2) Capacitor on control board malfunction.
3) Outdoor control board malfunction.

Gree Mini Split Air Conditioner Error Code P5
Meaning: Compressor Phase Current Protection
Solution
1) IPM module malfunction.
2) Outdoorcontrol board malfunction
3) Compressor malfunction.

Gree Mini Split Air Conditioner Error Code PU
Meaning: Capacitor Charging Malfunction
Solution
Capacitor malfunction

Gree Mini Split Air Conditioner Error Code P7
Meaning: Module Temperature Sensor Malfunction
Solution
Outdoor control board malfunction

Gree Mini Split Air Conditioner Error Code P8
Meaning: Module Temperature Protection
Solution
1) Lack of thermal grease on IPM module.
2) Heat sink (radiator) not tightly mounted.
3) Control board malfunction.

Gree Mini Split Air Conditioner Error Code H3
Meaning: Compressor Overload Protection
Solution
1)Wiring terminal OVC-COMP is loose.
2) Refer to the malfunction analysis in Service Manual.

Gree Mini Split Air Conditioner Error Code H5
Meaning: IPM Module Protection
Solution
1) IPM module over heating.
2) Improper or Low voltage at the IPM module.
3) IPM module malfunction.

Gree Mini Split Air Conditioner Error Code H6
Meaning: Indoor DC Fan Motor Malfunction
Solution
1) Loose connections between fan motor and control board
2) Fan motor or blower wheel bearings malfunction.
3) Control board malfunction.

Gree Mini Split Air Conditioner Error Code H7
Meaning: Compressor De-Synchronized Malfunction
Solution
1) Compressor voltage is not balance.
2) Control board malfunction
3) Compressor malfunction.

Gree Mini Split Air Conditioner Error Code HC
Meaning: Power Factor Correction (PFC) Protection
Solution
1) Mis-wiring of the reactor filter and PFC capacitor.
2) Reactor filter or PFC capacitor malfunction.
3) Control board malfunction.

Gree Mini Split Air Conditioner Error Code L3
Meaning: Outdoor Fan Motor Malfunction
Solution
1) Loose connections between fan motor and control board
2) Fan motor malfunction.
3) Control board malfunction.

Gree Mini Split Air Conditioner Error Code LP
Meaning: Incompatible Indoor and Outdoor Units
Solution
Indoor and outdoor units are not compatible.

Gree Mini Split Air Conditioner Troubleshooting and Error Codes

Gree Mini Split Air Conditioner Error Code LC
Meaning: Start-Up Malfunction
Solution
1) Overcharged with refrigerant.
2) Control board malfunction.
3) Compressor malefaction.

Gree Mini Split Air Conditioner Error Code U1
Meaning: Compressor Phase-Current Detection Malfunction
Solution
Outdoor control board malfunction.

Gree Mini Split Air Conditioner Error Code U2
Meaning: DC Bus Voltage Level Dropping Malfunction
Solution
Unstable supply voltage.

Gree Mini Split Air Conditioner Error Code U1
Meaning: Compressor Phase-Current Detection Malfunction
Solution
Outdoor control board malfunction.

Gree Mini Split Air Conditioner Error Code U3
Meaning: Current Detection Malfunction
Solution
Outdoor control board malfunction.

Gree Mini Split Air Conditioner Error Code U4
Meaning: Reversing Valve Malfunction
Solution
1)Voltage to reversing valve is less than 175V.
2) Loose connections between reversing valve and control board.
3) Reversing valve solenoid malfunction.

Gree Mini Split Air Conditioner Error Code U9
Meaning: Zero Crossing Detection Malfunction
Solution
Outdoor control board malfunction.

We hope that with help of Gree Mini Split Air Conditioner Troubleshooting and Error Codes, you will be able to resolve issues. Please keep visiting our site for more AC troubleshooting. Do comment for any issues or questions and we will be happy to answer.