Gree GDN20BD-K5EBA1A Mode D'emploi page 21

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