Maintenance; Error Code List - Gree GWC09QB-K3DNB2B Service Manual

9. Maintenance

9.1 Error Code List

No.
Name
Code
Display
1 E1
protection of
system
Antifreezing
2 E2
protection
3 protection of E3
system
4 E4
protection of
compressor
5 E5
protection
6 cation E6
7 E8
resistant
protection
EEPROM
8 EE
Limit/
decrease
9 EU
10 protection of C5
38
0.5s)
0.5s
Operation Cool Heating Yellow
Indicator Indicator Indicator Indicator
once
twice 3 times
3 times
4 times 7 times
5
5 times
times
6
times
8
6 times
times
15 times 11 times
6 times 6 times
15 times
Unit
Red Green
Indicator Indicator
operation, except indoor
fan operates, all loads stop
operation.
operation, compressor and
fan operates.
and
9 times
operation, compressor and
operation, all loads stop.
operation, compressor and
operation, all loads stop.
indoor fan motor operates.
indoor fan will operate.
operation, compressor will stop
All loads operate normally,
compressor is decreased
command
Service Manual
Possible reasons:
system
compressor
resistant).
panel AP1.
mainboard.
mainboard.
Installation and Maintenance