Error Codes - Gree GDN20BD-K5EBA1A Owner's Manual

Error Codes

● Unit's Malfunction Codes
Malfunction
No.
Name
Ambient
Temperature
1
Sensor
Malfunction
Tube
Temperature
2
Sensor
Malfunction
Humidity
3 Sensor
Malfunction
Display
Code
Unit's
Condition
Display
Window
F1
Compressor
and fan
motor stop.
Buttons are
invalid.
F2
L1
● 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(Please refer to Chec-
king Table for Temperature Sen-
sor Resistance).
● Display board is damaged.
● 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(Please refer
to Checking Table for Temperature
Sensor Resistance).
● Display board is damaged.
● Humidity sensor is short-circuited.
● Humidity sensor is damaged.
● Display board is damaged.
17
Possible Causes