Gree GWHD(18)NK3FO - Page 67

65
Installation and Maintenance
Service Manual
Temp Drift Protection PE / / / PE PE Drive Error
Drive Board Ambient
Temp Sensor Error
PF / / / PF PF Drive Error
Charging Circuit Error PU / / Flash 17 times PU PU Drive Error
Unit n communication
error
See
Table 5
Flash 6 times / / E6 E6 Indoor
Unit n indoor pipe
midway temperature
sensor error
See
Table 5
/ Flash twice / E2 E2 Indoor
Indoor Evaporator
Temp Sensor Short/
Open-Circuit
See
Table 5
/ Flash twice / F2 F2 Indoor
(Air Valve) Unit n
indoor unit pipe outlet
temperature sensor
error
See
Table 5
/ Flash 22 times / b7 b7 Indoor
(Liquid Valve) Unit
n indoor pipe inlet
temperature sensor
error
See
Table 5
/ Flash 19 times / b5 b5 Indoor
See
Table 5
/ Flash once / F1 F1 Indoor
See
Table 5
Flash 7 times / / E7 E7 Indoor
Error
Code
Error Description
Error
Code
Error Description
Error
Code
Error Description
13
Unit A indoor unit pipe
outlet temperature sensor
error
23
Unit B indoor unit pipe
outlet temperature sensor
error
33
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
44
Unit D indoor pipe inlet
temperature sensor error
52
Unit E indoor pipe midway
temperature sensor error
57
Unit E anti-freezing
protection
45
Unit D indoor ambient
temperature sensor error
53
Unit E indoor unit pipe
outlet temperature sensor
error
C5 Jumper terminal error
Table 5