Gree GDN20AV-K5EBA1A

No.
Malfunction
Name
Display
Code
Unit's
Condition
Possible Causes
Display
Window
4
Freon-lacking
protection
F0
● Refrigerant is leaking.
● System is blocked
5
6
Overload
protection
H3
E5
● Ambient operation condition is
bad.
● The evaporator and condenser
are blocked with filth.
● The system is abnormal.
18
Overcurrent
protection
● Relay is short-circuited or
broken-circuited;
● Operation environment
condition is formidable high
temperature and high humidity.
The compressor
stops.
Buttons are
invalid.
The
compressor
stops.
Buttons are
invalid.