Haier HSU-12HS03/R2DB service manual Domestic Air Conditioner, Model HSU-09HS03/R2DB

Domestic Air Conditioner

HSU-12HS03/R2(DB)

Model: HSU-09HS03/R2(DB)

Module

□

★

★

*

1．Check

if

there

are

temperature

seizes

in

the

increase

compressor

protection

2．。

3．If there are any

damages of

power

module

4．Check if the heat

dispersion

glue

is

even

5．The voltage is too

high

(over

242V)or

too

low

(below

187V)

6．

High

★

★

★

*

1．Check if the filter net

work-intense

is blocked

protection

2．The indoor&outdoor

temperature could be

too high

3．Check if the system is

overloaded with air

4．Check if the base

plate

is damaged.

5．The voltage is too

high

(over

242V)or

too

low

(below

187V)

CT wire breakage

★

■

★

*

1．Check

if

the

base

protection

plate

is

damaged

or

not

2．The system is lack of

air

3．The

direction

changing

of

the

4-way valve is not

proper

EEPROM

★

□

★

*

1．Check if the base plate

anomaly

is damaged or not

*

1．Check if the base plate

is damaged.

Inner blower fan

■

□

★

*

anomaly

Explanation

□bright★flashing■

* Represents there is this

turn-off

function

47