GREE DC INVERTER HEAT PUMP CONDENSING UNIT SERVICE MANUAL
25
GUD60W2/D-D(U)
3.3 Error Code
No. Error code Error
1 E1 Compressor high pressure protection
2 E3 Refrigerant lack protection or compressor low pressure protection
3 E4 Compressor air discharge high-temperature protection
4 H4 Overload protection
5 F4 Discharge temperature sensor error
6 F3 Outdoor ambient temperature sensor error
7 e1 High pressure sensor error
8 e3 Low pressure sensor error
9 EE Memory chip reading and writing failure
10 C4 ODU jumper cap error
11 F2 Condenser temperature sensor error