Gree GWH12TB-D3DNA1A

68
# Malfunction Name
Malfunction
Type
Indoor
Display
LED
Lamp for
Opera-
tion
LED
Lamp for
Cooling
LED
Lamp for
Heating
Yellow
LED
Lamp
Red LED
Lamp
1 Malfunction of Circuit for zero
cross detection
Malfunction
of
Hardware
U8 Blinks for
17 times
2 Malfunction protection for
jumper cap
C5 Blinks for
15 times
3 No feedback from indoor motor H6 Blinks for
11 times
4 Indoor ambient temp sensor has
open or short circuit
F1 Blinks
once
5 Indoor evaporator temp sensor
has open or short circuit
F2 Blinks
twice
6 Liquid valve temp sensor has
open or short circuit
b5 Blinks for
19 times
7 Gas valve temp sensor has open
or short circuit
b7 Blinks for
22 times
8 Module temp sensor has open or
short circuit
P7 Blinks for
18 times
9 Outdoor ambient temp sensor
has open or short circuit
F3 Blinks for
3 times
Blinks for
6 times
10 Outdoor inlet pipe temp sensor
of condenser has open or circuit
(for commercial use)
A5
11 Outdoor middle pipe temp
sensor of condenser has open or
short circuit
F4 Blinks for
4 times
Blinks for
5 times
12 Outdoor outlet pipe of condens-
er has open or short circuit (for
commercial use)
A7
13 Outdoor discharge temp sensor
has open or short circuit
F5 Blinks for
5 times
Blinks for
7 times
14 Communication malfunction of
indoor and outdoor units
E6 Blinks for
6 times
15 Malfunction of circuit for detect-
ing phase current of compressor
U1 Blinks for
12 times
16 Demagnetization protection of
compressor
HE Blinks for
14 times
17 Malfunction of voltage drop of
DC bus bar
U3 Blinks for
20 times
18 Module temperature protection P8 Blinks for
19 times
Blinks for
10 times
19 Lack of refrigerant or block
protection for the system (not
applicable to residential air con-
ditioner)
F0 Blinks for
10 times
20 Malfunction of charging for
capacitor
PU Blinks for
17 times
Fault and Status Display Table 9,000/12,000 Systems