GREE DC INVERTER HEAT PUMP CONDENSING UNIT
25
3.3 Error Code
Compressor high pressure protection
Compressor low pressure protection
Compressor air discharge high-temperature protection
Condenser temperature sensor error
Outdoor ambient temperature sensor error
Discharge temperature sensor error
ODU tube temperature sensor error
Driver out-of-step protection
Master control and driver communication error
Driver module sensor error
Driver module high temperature protection
Bus low-voltage protection
Bus high-voltage protection
High pressure sensor error
If malfunction occurs during operation, LCD temperature display zone will show the failure information. If
several malfunctions occur at the same time, their corresponding error codes will be shown in turn. When
malfunction occurs, please shut off the unit and send for professional personnel to repair. For example, E1 (as
shown below) indicates high pressure protection.
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