Gree KM48H4O Service Manual page 36

Super Free Match
Service Manual
failure will resume its original running state upon power recovery. Memory contents: On/Off, Mode, set
temperature, set fan speed, Save function and Lock function.
 Enquiry of the Outdoor Ambient Temperature
Under the "On" or "Off" state of the unit, press Enter/Cancel for 5s, and the outdoor ambient temperature
will be displayed after a sound of click. This enquiry state will quit by pressing Function or On/Off or during the
temperature adjustment. If there is not any operation for 10s, it will also quit automatically.
3.1.4 Errors
If there is an error occurring during the operation of the system, the error code will be displayed on the LCD.
If multi errors occur at the same time, their codes will be displayed circularly.
Note: In event of any error, please turn off the unit and contact the professionally skilled personnel.
Indoor ambient temperature sensor open/short circuit
Indoor unit (liquid valve) refrigerant pipe inlet temperature sensor error
Indoor unit (gas valve) refrigerant pipe outlet temperature sensor error
Condenser coil inlet temperature sensor open/short circuit
Condenser coil outlet temperature senor open/short circuit
CONTROL
30
Error
High pressure protection
Low pressure protection
Discharge protection
Over-current protection
Communication error
Indoor water overflow protection
Mode conflict
Anti-freezing protection
Defrosting or oil returning for heating
Evaporator temperature sensor open/short circuit
Condenser coil midway temperature sensor error
Discharge air temperature sensor error
Outdoor ambient temperature sensor error
Module temperature sensor error
Outdoor unit overall error
Error Code
E1
E3
E4
P5
E6
E9
E7
E2
H1
F1
F2
b5
b7
A5
F4
A7
F5
F3
oE
oE