Gree GWHD24NK3FO - Flow Chart of Troubleshooting

67
Installation and Maintenance
Service Manual
Temp Drift Protection PE ///PEPEDrive Error
Drive Board Ambient
Temp Sensor Error
PF ///PFPFDrive Error
Charging Circuit Error PU //Flash 17 times PU PU Drive Error
Unit n communication
error
See
Table 16
Flash 6 times //E6 E6 Indoor
Unit n indoor pipe
midway temperature
sensor error
See
Table 16
/ Flash twice/ E2 E2 Indoor
Indoor Evaporator
Temp Sensor Short/
Open-Circuit
See
Table 16
/ Flash twice/ F2 F2 Indoor
(Air Valve) Unit n
indoor unit pipe outlet
temperature sensor
error
See
Table 16
/ Flash 22 times/ b7 b7 Indoor
(Liquid Valve) Unit
n indoor pipe inlet
temperature sensor
error
See
Table 16
/ Flash 19 times/ b5 b5 Indoor
See
Table 16
/ Flash once/ F1 F1 Indoor
See
Table 16
Flash 7 times //E7 E7 Indoor
Error
Code
Error Description
Error
Code
Error Description
Error
Code
Error Description
13
11
12
Unit A indoor unit pipe
Unit A communication
error
Unit A indoor pipe midway
temperature sensor error
outlet temperature sensor
error
23
22
21
Unit B communication
error
Unit B indoor pipe midway
temperature sensor error
Unit B indoor unit pipe
outlet temperature sensor
error
33
32
31
Unit C communication
error
Unit C indoor pipe midway
temperature sensor error
Unit C indoor unit pipe
outlet temperature sensor
error
14
Unit A indoor pipe inlet
temperature sensor error
24
Unit B indoor pipe inlet
temperature sensor error
34
Unit C indoor pipe inlet
temperature sensor error
15
Unit A indoor ambient
temperature sensor error
25
Unit B indoor ambient
temperature sensor error
35
Unit C indoor ambient
temperature sensor error
16
26 36
17
Unit A anti-freezing
protection
27
Unit B anti-freezing
protection
37
Unit C anti-freezing
protection
41
Unit D communication
error
46
54
Unit E indoor pipe inlet
temperature sensor error
42
Unit D indoor pipe midway
temperature sensor error
47
Unit D anti-freezing
protection
55
Unit E indoor ambient
temperature sensor error
43
Unit D indoor unit pipe
outlet temperature sensor
error
51
Unit E communication
error
56