Gree GWH09TB-D3DNA1A Service Manual page 51

No. Malfunction Name
1 Malfunction of Circuit for zero cross detection
2 Malfunction protection for jumper cap
3 No feedback from indoor motor
Indoor ambient temp sensor has open or short
4
circuit
Indoor evaporator temp sensor has open or
5
short circuit
Liquid valve temp sensor has open or short
6
circuit
Gas valve temp sensor has open or short
7
circuit
8 Module temp sensor has open or short circuit
Outdoor ambient temp sensor has open or
9
short circuit
Outdoor inlet pipe temp sensor of condenser
10
has open or circuit (for commercial use)
Outdoor middle pipe temp sensor of condenser
11
has open or short circuit
Outdoor outlet pipe of condenser has open or
12
short circuit (for commercial use)
Outdoor discharge temp sensor has open or
13
short circuit
Communication malfunction of indoor and
14
outdoor units
Malfunction of circuit for detecting phase
15
current of compressor
16 Demagnetization protection of compressor
17 Malfunction of voltage drop of DC bus bar
18 Module temperature protection
Lack of refrigerant or block protection for the
19 system (not applicable to residential air
conditioner)
20 Malfunction of charging for capacitor
21 High pressure protection for the system
Low pressure protection for the system
22
reserved
Lock of compressor (for commercial air
23
conditioner)
Reset of drive module (for commercial air
24
conditioner)
25 Overspeed (for commercial air conditioner)
26 Malfunction of
AC contactor protection (for commercial air
27
conditioner)
Temperature drift protection(for commercial air
28
conditioner)
Sensor connection protection (for commercial
29
air conditioner)
Communication malfunction for drive board(for
30
commercial air conditioner)
31 Thermal overload protection for compressor
32 Non-match between indoor and outdoor units
33 Malfunction of memory chip
Malfunction and Status Display Table
Display of Malfunction of Indoor Unit
Malfunction Display
Type
Nixie
Tube
Operation
U8
C5
H6
F1
F2
b5
b7
P7
F3
A5
F4
A7
F5
E6
Malfunction
of
U1
hardware
HE
U3
P8
F0
PU
E1
E3
LE
P0
LF
PF
P9
PE
Pd
P6
H3
LP
EE
Status of LED Lamp
LED
LED Lamp LED Lamp
Lamp
for
for
Cooling Heating
Blinks
for 17
times
Blinks
for 15
times
Blinks
for 11
times
Blinks
once
Blinks
twice
Blinks for
19 times
Blinks for
22 times
Blinks for
18times
Blinks for
3 times
Blinks for
4 times
Blinks for
5 times
Blinks
for 6
times
Blinks for
12 times
Blinks for
14 times
Blinks for
20 times
Blinks for
19 times
Blinks for
10 times
Blinks for
17 times
Blinks
once
Blinks
for 3
times
/ /
/ /
/ /
/ /
/ /
/ /
/ /
Blinks
for 16
times
Blinks for
3 times
Blinks for
15 times
Malfunction of
Outdoor Unit
Status of LED
Lamp
Yellow Red
for LED LED
Lamp Lamp
Blinks
for 6
times
Blinks
for 5
times
Blinks
for 7
times
Blinks for
10 times
Blinks
for 9
times
/
/
/
/
/
/
Blinks for
8 times
Blinks for
16 times