Haier HFU-09H03/R2(DB) Service Manual page 34

For the appeared abnormal p
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
the rm istor
Abno rmity of
mo du le thermistor
Ab no rmity of
ou tdo or thermistor
Tran smission
ab rmity no
Co m pressor ru nning
ab no rmity
Over high
discharging
temperature
protection
AC current
protection
Domestic Air Conditioner
henomena, please refer to the following table for trouble analysis and troubleshooting:
Error display
Po Ti
Indoor
Ru n
we m
ning
r er
Autom c ati
Outdoor
restore
* *
* *
* *
* *
* *
* *
* *
*
*
*
*
*
33
HFU-09H03/R2(DB)
Model:
HFU-12H03/R2(DB)
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 b oard is not good.
1. Ins erter 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 g reat interfer
around
2. Incorrect w ire connection or control
board is not good.
1 . Ch eck if com ressor shaft is seized. p
2 . W hether pow r module is damaged e
1 . W hether system gas is insufficient or
charged gas is too much.
2. W hether 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
component is abnormal.
ence source
control board