E3 error indicates the low level of refrigerant in Gree Inverter AC. In short the meaning of E3 error in Gree AC, Low-Pressure Protection, Refrigerant lacking protection, or Recycle mood.   Recycle Mood-, if the refrigerant will be on recycling, the error e3 does not make any sense. After completion of recycling, It will … Continue reading E3 Error Code Air Conditioner – Gree AC Error Troubleshooting.