Gree KM48H4O Service Manual page 123

Compressor power protection
Compressor overload protection
Compressor discharge temperature
protection
Lack of refrigerant or jam protection
Normal operation
Frequency limitation for AC current
Oil returning
Defrosting
Frequency limitation for IPM temperature
Frequency limitation for PFC temperature
Frequency limitation for compressor
overload
Frequency limitation for compressor
discharge temperature
Frequency limitation for low pressure
Frequency limitation for high pressure
Discharge temperature sensor error
Outdoor temperature sensor error
Suction temperature sensor error
Condenser temperature sensor error
Sub-cool temperature sensor error
Low pressure sensor error
High pressure sensor error
Fan motor error for indoor unit
Driving board is connected
Testing board is connected
Computer is connected
Indoor unit 1 is connected
Indoor unit 2 is connected
Indoor unit 3 is connected
Indoor unit 4 is connected
Indoor unit 5 is connected
Indoor unit 6 is connected
Indoor unit 7 is connected
Indoor unit 8 is connected
Indoor unit 9 is connected
Indoor unit anti-freeze protection
Indoor temperature sensor error
Indoor evaporator midway temperature
sensor error
Temperature sensor error for liquid pipe of
BU module
Temperature sensor error for gas pipe of
BU module
Flash 21 times
Flash 22 times
Flash 23 times
Flash 31 times
Flash 1 time
Flash 2 times
Flash 3 times
Flash 4 times
Flash 5 times
Flash 6 times
Flash 8 times
Flash 9 times
Flash 10 times
Flash 11 times
Flash 12 times
Flash 13 times
Flash 15 times
Flash 16 times
Flash 17 times
Flash 18 times
Flash 19 times
Flash 20 times
Super Free Match
Service Manual
L9
H3
E4
F0
H1
F5
F3
A7
H6
Flash 1 time
Flash 2 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
E2
F1
F2
b5
b7
117
N
L9
H3
E4
F0
F8
F7
H1
EU
EU
LU
F9
Pn
F6
F5
F3
dc
A7
bC
dL
e1
H6
E2
F1
F2
b5
b7
MAINTENANCE