Haier HSU-09H03/(BP)1 Service Manual page 32

List of error code:
Abnormity mode
Abnormity of indoor
thermistor
Abnormity of
thermal conversion
thermistor
Abnormity of
defrosting thermistor
Abnormity of
discharging
thermistor
Abnormity of
control board
thermistor
Abnormity of
module thermistor
Abnormity of
outdoor thermistor
Transmission
abnormity
Compressor running
abnormity
Overhigh
discharging
temperature
protection
AC current
protection
DC current
protection
Insufficient current
protection
Domestic Air Conditioner
Error display
Ind
Po Ti
Run
oor
we m
ning
r er
★ ■ ■
★ □ □
□ □ ★
★ □ ■
□ ■ ★
□ ★ □
□ ★ ■
■ ■ ★
★ ■ □
■ ★ ■
★ ★ ■
★ ★ □
■ ★ □
Autom
Out
atic
door
restore
* *
* *
* *
* *
* *
* *
* *
*
*
*
*
*
*
*
32
HSU-09H03/(BP)1
Model:
HSU-12H03/(BP)1
Possible reason
1. Inserter does not contact well or
control board is not good.
1. Inserter does not contact well or
control board is not good.
1. Inserter does not contact well or
control board is not good.
1. Inserter does not contact well or
control board is not good.
1. Inserter does not contact well or
control board is not good.
1. Inserter does not contact well or
control board is not good.
1. Inserter does not contact well or
control board is not good.
1. There is great interference source
around
2. Incorrect wire connection or control
board is not good.
1. Check if compressor shaft is seized.
2. Whether power module is damaged
1. Whether system gas is insufficient or
charged gas is too much.
2. Whether system voltage is too high
(above242V) or too low (below
187V)
3. Whether capillary tube is blocked.
4. Whether sensors or control board
components are abnormal.
5. Whether the indoor/outdoor ambient
temperature is too high.
1. Whether system is charged too many
gases.
2. Whether voltage is too low (below
187V).
3. Whether CT or control
component is abnormal.
1. Whether compressor shaft is seized.
2. Whether power module is damaged.
3. Whether system voltage is too high
(above242V) or too low (below
187V)
1. Whether voltage is too low.
2. Whether control board is damaged.
board