Haier AW052MUCHA User Manual

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

Haier AW052MUCHA Specifications

General

Brand	Haier
Model	AW052MUCHA
Category	Heat Pump
Language	English