631
Failure Code
Failure code on
wired controller
PCB LED5(Indoor
Units)/ Receiver
Timer Lamp(Remote
Controller)
Fault Descriptions
01 1
Indoor ambient temp. sensor TA failure
02 2
Indoor coil pipe temp. sensor TC1 failure
03 3
Indoor coil pipe temp. sensor TC2 failure
05 5
Indoor EEPROM failure
06 6
Communication between indoor and outdoor failure
07 7
Communication between indoor and wired controller failure
08 8
Indoor float switch failure
09 9
Indoor address repeated failure
0C 12
Indoor unit 50Hz zero-crossing failure
0D 13
DC motor model is wrong
0E 14
DC motor failure
10 16
Communication between DC motor and PCB
12 18
The 4-way valve of 3-pipe valve box reversing failure
14 20
Outdoor failure code
Constant air volume duct (AD*2MQERA) failure code
Failure code on
wired controller
(hex)
Indoor panel
display failure
code
Indoor PCB
LED5 ashes
times
Fault Descriptions
01 E01 1 Indoor ambient temp. sensor TA failure
02 E02 2 Indoor gas pipe temp. sensor TC1 failure
03 E03 3 Indoor liquid pipe temp. sensor TC2 failure
04 E04 4 Dual heat source sensor TW failure
05 E05 5 Indoor EEPROM failure
06 E06 6 Communication between indoor and outdoor failure
07 E07 7 Communication between indoor and wired controller failure
08 E08 8 Indoor float switch failure
09 E09 9 Indoor address repeated failure
0C E12 12 Indoor unit 50Hz Zero-crossing failure
0E E14 14 DC motor failure
12 E18 18 The 4-way valve of 3-pipe valve box reversing failure
14 E20 20 Outdoor failure code
N platform high wall (AS*2MFERA and AS*2MNERA) failure code