GREE ELECTRIC GUHD09NK3CO Service Manual page 107

Table3 This section is applicable to the electric control box of the GUHD09NK3CO/GUHD12NK3CO A/A DC
inverter air conditioners
NO Running Status
1 Compressor started
2 Defrosting
3 Anti-freezing protection
4 IPM protection
5 Over-current protection
6 Heat exchanger overload protection
7 Discharge protection
8 Compressor overload protection
9 Power protection
10 Module overheating protection
11 EEPROM reading error
12 Low voltage protection
13 High voltage protection
14 PFC over-current protection
15 Unmatched indoor and outdoor units
16 Limited frequency(current)
17 Limited frequency (discharge)
18 Limited frequency (overload)
19 Reduced frequency (anti-freezing)
Outdoor ambient temperature
20
sensor error
21 Outdoor pipe temperature sensor error
Outdoor discharge
22
temperature sensor error
23 Up to the startup temperature
Limited frequency
26
(module temperature)
28 Limited frequency (power)
31 Communication normal
32 Communication error
Indoor ambient temperature
33
sensor error
34 Indoor pipe temperature sensor error
Red Lamp
Yellow Lamp
Flash once
Flash twice
Flash 3 times
Flash 4 times
Flash 5 times
Flash 6 times
Flash 7 times
Flash 8 times
Flash 9 times
Flash 10 times
Flash 11 times
Flash 12 times
Flash 13 times
Flash 14 times
Flash 16 times
Flash once
Flash twice
Flash 3 times
Flash 4 times
Flash 6 times
Flash 5 times
Flash 7 times
Flash 8 times
Flash 11 times
Flash 13 times
U-Match Series DC
Inverter Service Manual
Green Lamp
Displayed
E2
E5
E5
/
E4
E5
E5
E5
E5
E5
E5
E5
/
/
/
/
/
F3
F2
F4
/
/
/
Flash continuously /
Black out E6
F0
F1
104