All Gree error codes
This page brings together Gree error codes sorted by type of fault: what each code means, its likely causes, and what you can safely check before calling a professional.
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The Gree codes on this page, grouped by type of fault.
Temperature sensor — Gree
These codes indicate a sensor that’s no longer returning a consistent value. The fault almost always comes from the sensor itself or its connector, rarely from the unit.
Code F1Medium severityair-to-air
Indoor ambient temperature sensor fault
Possible causes
- Faulty ambient thermistor
- Disconnected connector
- Short circuit in the sensor
What you can check
- Cut the power for 30 minutes, then restart
Models affected: Lomo, Bora, Amber, Fairy, Pular, Clivia
This fault requires a qualified technician. Do not open the unit.
Code F2Medium severityair-to-air
Indoor heat exchanger temperature sensor fault
Possible causes
- Faulty heat exchanger thermistor
- Disconnected connector
- Sensor out of its housing
What you can check
- Cut the power for 30 minutes, then restart
Models affected: Lomo, Bora, Amber, Fairy, Pular, Clivia
This fault requires a qualified technician. Do not open the unit.
Code F3Medium severityair-to-air
Outdoor ambient temperature sensor fault
Possible causes
- Faulty outdoor thermistor
- Connector corroded by moisture
- Damaged wiring
What you can check
- Cut the power for 30 minutes, then restart
Models affected: Lomo, Bora, Amber, Fairy, Pular, Clivia
This fault requires a qualified technician. Do not open the unit.
Code F4Medium severityair-to-air
Outdoor heat exchanger temperature sensor fault
Possible causes
- Faulty condenser thermistor
- Corroded connector
- Sensor displaced
What you can check
- Cut the power for 30 minutes, then restart
Models affected: Lomo, Bora, Amber, Fairy, Pular, Clivia
This fault requires a qualified technician. Do not open the unit.
Fan — Gree
The fan expels or draws in heat. If it’s blocked or faulty, pressure rises and triggers a shutdown.
Code E8Medium severityair-to-air
Overheat protection / indoor fan malfunction
Possible causes
- Faulty indoor fan motor
- Heavily clogged filters
- Excessive ambient temperature
- Blocked fan blade
What you can check
- Clean the air filters
- Check that the fan blade turns freely
- Cut the power for 30 minutes, then restart
Models affected: Lomo, Bora, Amber, Fairy, Pular
This fault requires a qualified technician. Do not open the unit.
Code H6Medium severityair-to-air
No speed feedback from the indoor fan
Possible causes
- Faulty DC fan motor
- Motor connector disconnected
- Faulty motor hall sensor
- Blocked fan blade
What you can check
- Check that nothing is blocking the fan blade
- Clean the filters
- Cut the power for 10 minutes, then restart
Models affected: Lomo, Bora, Amber, Fairy, Pular, Clivia
This fault requires a qualified technician. Do not open the unit.
Compressor — Gree
The compressor is the key, most expensive part. These codes protect the unit by shutting it down before damage occurs: never force repeated restarts.
Code H3Critical severityair-to-air
Compressor overload protection
Possible causes
- Compressor in thermal overload
- Excessive high pressure
- Insufficient outdoor ventilation
- Low refrigerant
What you can check
- Clean the outdoor unit
- Cut the power for 1 hour, then restart
Models concerned: Lomo, Bora, Amber, Fairy, Pular
This issue requires a qualified technician. Do not open the unit.
All Gree codes published on the site
This list updates automatically whenever a new guide is added.
Technical information provided for guidance only, based on manufacturer documentation and field reports. It does not replace the diagnosis of a qualified professional. Found an error on this page? Report it.