Gree GDN70AP-A3EBA1A Owner's Manual - Page 16
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14
● Unit's Malfunction Codes
No.
Malfunc on
Name
Ambient
Temperature
1
Sensor
Malfunction
Tube
Temperature
2
Sensor
Malfunction
Humidity
Sensor
3
Malfunction
Display
Unit's
Code
Condi on
Display
Window
F1
Buttons for the
compressor,
fan, pump
do not work.
F2
L1
Possible Causes
● Ambient temperature sensor is
loose or is poorly connected
to the terminal of display board.
● An element of display board
may have been put in upside
down and caused short circuit.
● Ambient temperature sensor is
damaged (Please refer to
Checking Table for Temperature
Sensor Resistance).
● Display board is damaged.
● Temperature sensor on the
evaporator is loose or is poorly
connected to the terminal of
display board.
● An element of display board
may have been put in upside
down and caused short circuit.
● Temperature sensor on the
evaporator is damaged (Please
refer to Checking Table for
Temperature Sensor Resistance).
● Display board is damaged.
● Humidity sensor has short-circuited.
● Humidity sensor is damaged.
● Display board is damaged.