LG UT48 User Manual download pdf (Page 30)

Maintenance

and

Service

30

Cassette-

Type

Air

Conditioner

Troubleshooting

Check

the

following

points

before

requesting

repairs

or

service....

If

the

malfunction

persist,

please

contact

your

dealer.

The

air

conditioner

does

not

operate.

The

room

has

a

peculiar

odor.

It

seems

that

condensation

is

leaking

from

the

air

conditioner.

Air

conditioner

does

not

operate

for

about

3

minutes

when

restart.

Does

not

cool

or

heat

effectively.

The

air

conditioner

operation

is

noisy.

Crack

sound

is

heard.

Remote

control

display

is

faint,

or

no

display

at

all.

?

Have

you

made

a

mistake

in

timer

operation?

?

Has

the

fuse

blown

or

has

the

circuit

breaker

been

tripped?

?

Check

that

this

is

not

a

damp

smell

exuded

by

the

walls,

carpet,

furniture

or

cloth

items

in

the

room.

?

Condensation

occurs

when

the

airflow

from

the

air

conditioner

cools

the

warm

room

air.

?

This

is

the

protector

of

the

mechanism.

?

Wait

about

three

minutes

and

operation

will

begin.

?

Is

the

air

filter

dirty?

See

air

filter

cleaning

instructions.

?

The

room

may

have been

very

hot

when

the

room

air

conditioner

was

first

turned

on.

Allow

time

for

it

to

cool

down.

?

Has

the

setting

temperature

been

set

incorrectly?

?

Are

the

indoor

unit's

air

inlet

or

outlet

vents

obstructed?

?

For

a

noise

that

sounds

like

water

flowing.

-This

is

the

sound

of

freon

flowing

inside

the

air

conditioner

unit.

?

For

a

noise

that

sounds

like

the

compressed

air

releasing

into

atmosphere.

-This

is

the

sound

of

the

dehumidifying

water

being

processed

inside

the

air

conditioning

unit.

?

This

sound

is

generated

by

the

expansion/contraction

of

the

inlet

grille,

etc.

due

to

changes

of

temperature.

?

Has

the

circuit

breaker

been

tripped?

?

Are

the

batteries

inserted

in

the

opposite

(+)

and

(-)

directions?

13

-

-

-

-

28

15,

17

-

-

Case

Explanation

See

page

1 2 ... 25 26 27 28 29 30

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