Failure Code - Haier AW052MUCHA Installation Manual

Failure code

Inverter outdoor unit failure code
CODE
1 Water inlet temp. sensor(Twi)failure of heat transfer unit
2 Water outlet temp. sensor(Two)failure of heat transfer unit
3 Refrigerant inlet temp. sensor(Thi)failure of heat transfer unit
4 Refrigerant outlet temp. sensor(Tho)failure of heat transfer unit
7
8
10
Water temp. sensor(Ttank)failure of water tank
11
Temp. sensor behind the mixing valve failure of heat transfer
12
13
14
15
16 Too high inlet and outlet temp of heat transfer unit(HU)
17
Indoor temp. sensor failure of heat transfer unit(zone1)
18 Indoor temp. sensor failure of heat transfer unit(zone2)
Temp. sensor behind the mixing valve or water temp. sensor failure
19
20-0
20-1
21
22
23
24
27
28
29
30
32-0 Outlet temp(Tsco)failure of heat exchanger
32-1 Supercooling hot liquid pipe(SC)temp(Tliqsc)failure
33
34
35
36
38
39-0
39-1
40
43
46 Discharging communication fault with IGBT Power Module
49
Error code definition
Communication failure with the controller
Flow switch(WS) abnormity
Too low flow
Communication failure on the IO board
unit(zone2)
Water leakage
Low pressure switch abnormity
Anti-freezing failure
Direct-current pump failure
of swimming pool
Defrosting temp. sensor(Te1)failure
Defrosting temp. sensor(Te2)failure
Ambient temp. sensor(Ta)failure
Suction temp. sensor(Ts)failure
Discharging temp. sensor(Td)failure
Oil temp. sensor(Toil)failure
Too high oil temp(Toil)protection
High pressure sensor(Pd)failure
Low pressure sensor(Ps)failure
High pressure switch HPS failure
Outdoor unit EEPROM failure
Discharging temp(Td) too high protection
4-way valve reversing failure
Too low oil temp(Toil)protection
High pressure(Pd)too low protection
Low pressure(Ps)too low protection
Compression radio(ε)too high protection
High pressure(Pd)too high protection
Discharging temp(Td)too low protection
Low pressure switch abnormity
24
Notes
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable Locking after three
consecutive times in an hour
Recoverable Locking after three
consecutive times in an hour
Recoverable
Recoverable
Recoverable
Unrecoverable
Recoverable
Recoverable Locking after three
consecutive times in an hour
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Unrecoverable after locking
Recoverable
Recoverable
Unrecoverable after locking
Recoverable
Recoverable
Unrecoverable
Unrecoverable after locking
Unrecoverable after locking
Unrecoverable after locking
Unrecoverable after locking
Unrecoverable after locking
Recoverable
Unrecoverable after locking
Unrecoverable after locking
Recoverable
Unrecoverable after locking