Haier AB072MRERA - Failure Code

628
25. Failure Code
Indoor unit failure code
Indication
on wired
controller
Flash times of LED
on indoor PCB/
timer LED on remote
receiver
Failure code denition Remark
1 1 Indoor ambient temp. sensor TA failure
Resumable
2 2 Indoor coil pipe temp. sensor TC1 failure
3 3 Indoor coil pipe temp. sensor TC2 failure
4 4 Dual heat source sensor TW failure
5 5 Indoor EEPROM failure Unresumable
6 6
Communication between indoor and outdoor
failure
Resumable
7 7
Communication between indoor and wired
controller failure
Resumable
8 8 Indoor oat switch failure Resumable
9 9 Indoor address repeated failure Resumable
0C 12 No 50Hz zero passage signal Resumable
12 18 The 4-way valve of 3-pipe valve box reversing failure Unresumable
Outdoor
failure code
20 Outdoor failure code Resumable
High wall (AS*2MGERA) failure code
PCB LED
ash times
Indication
on wired
controller
Failure code denition Remark
1 E01 Indoor ambient temp. sensor TA failure
Resumable2 E02 Indoor coil pipe temp. sensor TC1 failure
3 E03 Indoor coil pipe temp. sensor TC2 failure
4 E04 Dual heat source sensor TW failure Unresumable
5 E05 Indoor EEPROM failure Resumable
6 E06 Communication between indoor and outdoor failure Resumable
7 E07 Communication between indoor and wired controller failure Resumable
8 E08 Indoor oat switch failure Resumable
9 E09 Indoor address repeated failure Resumable
12 E12 No 50Hz zero passage signal or wired controller DCSHORT protect Resumable
14 E14 DC motor failure Resumable
18 E18 The 4-way valve of 3-pipe valve box reversing failure Unresumable
20 E20 Outdoor failure code Resumable