Gree XE71-42/G Owner's Manual page 38

Error Code
GE High or low photovoltaic voltage protection
G8 Overcurrent protection at power grid side
G7 Voltage over/under frequency at power grid side
G9 Drive IPM module protection at power grid side
GL Hardware overcurrent protection at power grid side
GC Photovoltaic DC hardware overcurrent protection
GJ Module high-temperature protection at power grid side
GP Temperature sensor protection at power grid side
G6 Photovoltaic low voltage ride through
Gy Drive beyond retrieve error at power grid side
G1 Photovoltaic Anti-islanding protection
G0 Photovoltaic reversed connection protection
GU Charged circuit protection at power grid side
GA Low/high input voltage protection at power grid side
G2 Photovoltaic DC overcurrent protection
Gb Relay protection at power grid side
G3 Photovoltaic power generation overload
Gd Current sensor protection at power grid side
Wired Controller XE71-42/G
Error
33