629
Failure Code
Fresh air (AD*2MPERA) failure code
Wired 
controller 
fault code
(h
PCB LED5 (indoor 
units) /receiving 
window health 
lamp (remote 
controller)
Failure code denition Remark
01 1  Indoor ambient temp. sensor TA (Tas) failure
Resumable
02 2  Indoor gas pipe temp. sensor TC1 (1) failure
03 3  Indoor liquid pipe temp. sensor TC2 (1) failure
04 4
 Indoor pipe temp. sensor TC22  failure (when it occurs,  
please check if the capacity dip switch is right and J8 is ON)
05 5  Indoor EEPROM failure Unresumable
06 6  Communication between indoor and outdoor failure Resumable
07 7  Communication between indoor and wired controller failure Resumable
08 8  Indoor oat switch failure Resumable
09 9  Indoor address repeated failure Resumable
0C 12  No 50Hz zero passage signal Resumable
0F 15  Indoor ambient temp. sensor TA (Taf) failure Resumable
14 20  Outdoor failure code Resumable
Failure code on 
wired controller
(hex)
PCB LED1 
(Indoor units) / 
receiver timer 
lamp ickers 
times
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
04 4 Down air door failure
05 5 Indoor EEPROM failure
06 6 Communication between indoor and outdoor failure
09 9 Indoor address repeated failure
0A 10 Indoor central control address repeated failure
0B 11 Upper fan motor failure
0C 12 Down fan motor failure
14 20 Outdoor failure code
Console (AF*2MAERA) failure code