LG S12AW-S40 User Manual download pdf (Page 20)

20

Room

Air

Conditioner

Troubleshooting

Tips!

Save

time

and

money!

The

air

conditioner

may

be

operating

abnormally

when:

Problem

The

air

conditioner

is

unplugged.

The

fuse

is

blown/circuit

breaker

is

tripped.

Power

failure.

High

voltage.

Airflow

is

restricted.

The

air

filter

is

dirty.

The

room

may

have

been

hot.

Cold

air

is

escaping.

Check

the

temperature

settings.

There

might

be

any

heating

source

in

the

room.

Air

conditioner

does

not

start

Air

conditioner

does

not

cool

as

it

should

?

Make

sure

the

air

conditioner

plug

is

pushed

completely

into

the

outlet.

?

Check

the

house

fuse/circuit

breaker

box

and

replace

the

fuse

or

reset

the

breaker.

?

If

power

failure

occurs,

turn

the

mode

control

to

OFF.

When

power

is

restored,

wait

3

minutes

to

restart

the

air

conditioner

to

prevent

tripping

of

the

compressor

overload.

?

If

the

voltage

is

unusually

very

high

or

low

the

circuit

Breaker

will

trip.

?

Make

sure

there

are

no

curtains,

blinds,

or

furniture

blocking

the

front

of

the

air

conditioner.

?

Clean

the

filter

at

least

every

2

weeks.

See

the

Maintenance

and

Service

section.

?

When

the

air

conditioner

is

first

turned

on,

you

need

to

allow

time

for

the

room

to

cool

down.

?

Check

for

open

furnace

floor

registers

and

cold

air

returns.

?

Make

sure

they

are

correct.

?

Check

and

remove

such

source

or

turn

it

off

while

using

the

air

conditioner.

What

To

Do

Possible

Causes

1.

Anything

abnormal such

as

burning

smell,

loud

noise

etc.

happen.

Stop

the

unit

and

turn

the

breaker

off.

Never

try

to

repair

by

yourself

or

restart

the

system

in

such

cases.

2.

Main

power

cord

is

too

hot

or

damaged.

3.

Error

code

is

generated

by

self

diagnosis.

4.

Water

leaks

from

indoor

unit

even

if

the

humidity

is

low.

5.

Any

switch,

breaker

(safety,

earth)

or

fuse

fails

to

work

properly

User

must

carry

routine

checkup

&

cleaning

to

avoid

unit's

poor

performance.

In

case

of

special

situation,

the

job

must

be

carried

out

by

service

person

only.

Call

the

service

immediately

in

the

following

situations

Maintenance

and

Service

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