Gree GWHD(48S)NM3DO Owner's Manual page 33

Indoor unit anti-freeze protection
Indoor temperature sensor error
Indoor evaporator midway
temperature sensor error
Temperature sensor error for liquid
pipe of BU module
Temperature sensor error for gas pipe
of BU module
Running mode conflicts
Communication error
Water full error of indoor unit
Jumper terminal error of indoor unit
Refrigerant recovery mode
Display mode of Red LED and Yellow LED: At intervals of half a second, flash for half a
?
second; if there are several malfunctions, it will display the error codes by turns
one second.
Display mode of Green LED: At intervals of 1/4 second, flash for 1/4 second; and it displays
?
the running states by turns at intervals of half a second.
27
Super Free Match Series
E2
F1
F2
b5
b7
E7
E6
E9
C5
Fo
at intervals of