7URXEOHVKRRWLQJ
43
ƹ
Malfunction
D
isplay: E9 Full Water Protection
N
N
Y
Y
Y
N
N
Y
N
Y
Check if water overflow
Check if the voltage of liquid
level switch end is ok
Replace the main board of
the indoor uint
Check the liquid level
switch
Replace the main board of
the indoor uint
Check the cables of water
drainge pump
Check if the water drainage
pump works
Check if the
condensate
pipe is
jammed or if water flows smoothly
Y
Clear the water
from
pipe
Adjust water drainage
in
pipe
Check if the voltage of water
drainage pump end is ok
Full Water
Protecti on
ƹ
Malfunction
D
isplay: F2 Failure of Evaporator Temp. Sensor
Check if the plug of the temperature sensor is correctly
connected with socket on the mainboard
N
Remove the sensor to check if the resistance value is ok
N
Y
Y
Y
Replace mainboard of the indoor uint
Check the direction of the plug and
socket
Replace temperature sensor
Failure of condenser Temp sensor
