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Compressor
and fan
motor stop.
This button
is invalid.
2
Tube
Temperature
Sensor
Malfunction
F2
●
Temperature sensor on the
evaporator is loosen or is poorly
connected with the terminal of
display board.
● Some element of display board
may have been put upside down
and cause short circuit.
●
Temperature sensor on the eva-
porator is damaged
● Display board is damaged.
3
Humidity
Sensor
Malfunction
L1
●
Humidity sensor is short-circuited.
● Humidity sensor is damaged.
● Display board is damaged.
No.
Malfunction
Name
Display
Code
Unit's
Condition
Possible Causes
Display
Window
1
Ambient
Temperature
Sensor
Malfunction
F1
Compressor
and fan
motor stop.
●
Ambient temperature sensor is
loosen or is poorly connected
with the terminal of display board.
● Some element of display board
may have been put upside down
and cause short circuit.
●
Ambient temperature sensor is
damaged
● Display board is damaged.
Malfunction Codes
● Unit's Malfunction Codes
1
4