Gree U-MATCH GFH09K3CI, Service Manual

Page: 106 / 264

A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE
103
When the unit has error,it will display error code,
Its error code as the same as Table 1 Fault Display on Indoor Wired Controller.
Table3 This section is applicable to the electric control box of the GUHD09NK3CO
/GUHD12NK3CO A/A DC inverter air conditioners
NO Running Status Yellow Lamp Red Lamp Green Lamp
1 Compressor started Flash once
2 Defrosting Flash twice Displayed
3 Anti-freezing protection Flash 3 times E2
4 IPM protection Flash 4 times E5
5 Over-current protection Flash 5 times E5
6
Heat exchanger overload
protection
Flash 6 times /
7 Discharge protection Flash 7 times E4
8
Compressor overload
protection
Flash 8 times E5
9 Power protection Flash 9 times E5
10
Module overheating
protection
Flash 10 times E5
11 EEPROM reading error Flash 11 times E5
12 Low voltage protection Flash 12 times E5
13 High voltage protection Flash 13 times E5
14 PFC over-current protection Flash 14 times E5
15
Unmatched indoor and
outdoor units
Flash 16 times /
16 Limited frequency(current) Flash once /
17
Limited frequency
(discharge)
Flash twice /
18 Limited frequency (overload) Flash 3 times /
19
Reduced frequency
(anti-freezing)
Flash 4 times /
20
Outdoor ambient
temperature sensor error
Flash 6 times F3
21
Outdoor pipe temperature
sensor error
Flash 5 times F2
22
Outdoor discharge
temperature sensor error
Flash 7 times F4
23
Up to the startup
temperature
Flash 8 times /
26
Limited frequency
(module temperature)
Flash 11 times /
28 Limited frequency (power)
Flash 13
times
/
31 Communication normal
Flash
continuously
/
32 Communication error Black out E6
33
Indoor ambient temperature
sensor error
F0
34
Indoor pipe temperature
sensor error
F1