Холодильник lg gr 409glqa инструкция

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View the manual for the LG GR-409 GLQA here, for free. This manual comes under the category refrigerators and has been rated by 2 people with an average of a 7.8. This manual is available in the following languages: English. Do you have a question about the LG GR-409 GLQA or do you need help? Ask your question here

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LG GR-409GLQA (Холодильники) сервис мануалы в PDF-формате помогут найти неполадки и ошибки, а также осуществить ремонт LG GR-409GLQA и восстановить работу устройства.

ADJUSTMENT

1 COMPRESSOR

1) Role
The compressor intakes low temperature and low pressure
gas evaporated from Evaporator of the Refrigerator, and
condenses this gas to high temperature and high pressure
gas, and then plays delivering role to Condenser.

2) Composition
The Compressor is Composed of Compressor Apparatus
compressing gas, Compressor Motor moving Compressor
Apparatus and Case protecting Compressor Apparatus
and Motor. There is Relay Assy (one set of PTC-Starter
and Over Load Protector (OLP)) in Compressor. On the
other hand, because the Compressor consists of
1/1000mm processing precision components and is sealed
after production in absence of dust or humidity, deal and
repair with care.

3) Note for Usage
(1) Be careful not to allow over-voltage and over-current.
(2) No Strike 

If applying forcible power or strike (dropping or careless
dealing), poor operation and noise may occur.

(3) Use proper electric components appropriate to the

Compressor.

(4) Note to Keep Compressor.

If Compressor gets wet in the rain and rust in the pin of
Hermetic Terminal, the result may be poor operation
and poor contact may cause.

(5) Be careful that dust, humidity, and flux welding don’t

inflow in the Compressor inside in replacing the
Compressor. Dust, humidity, and flux due to welding
which inflows to Cylinder may cause lockage and noise.

2 PTC-STARTER

1) Composition of PTC-Starter
(1) PTC (Positive Temperature Coefficient) is a no-contact

semiconductor starting device which uses ceramic
material and this material consists of BaTiO

3

.

(2) The higher the temperature is, the higher becomes the

resistance value. These features are used as starting
device for the Motor.

2) Role of PTC-Starter
(1) PTC is attached to Hermetic Compressor used for

Refrigerator, Show Case and starts Motor.

(2) Compressor for household refrigerator applies to

single-phase induction Motor.
For normal operation of the single-phase induction
motor, in the starting operation flows in both main coil
and sub-coil. After the starting is over, the current in
subcoil is cut off. The proper features of PTC play all
the above roles. So, PTC is used as a motor starting
device.

3) PTC-Applied Circuit Diagram

● 

According to Starting Method for the Motor

4) Motor Restarting and PTC Cooling
(1) For restarting after power off during normal

Compressor Motor operation, plug the power cord after
5 min. for pressure balance of Refrigerating Cycle and
PTC cooling.

(2) During normal operation of the Compressor Motor, PTC

elements generate heat continuously. Therefore, 
if PTC isn’t cooled for a while after the power has been
shut off, Motor can’t operate again.

5) Relation of PTC-Starter and OLP
(1) If the power is off during operation of Compressor and

the power is on before the PTC is cooled, (instant shut-
off within 2 min. or reconnect a power plug due to
misconnecting), the PTC isn’t cooled and a resistance
value grows. As a result, current can’t flow to the sub-
coil and the Motor can’t operate and the OLP operates
by flowing over current in only in the main-coil.

(2) While the OLP repeats on and off operation about 3-5

times, PTC is cooled and Compressor Motor performs
normal operation.
If OLP doesn’t operate when PTC is not cooled,
Compressor Motor is worn away and causes circuit-
short and fire. Therefore, use a properly fixed OLP
without fail.

6) Note to Use PTC-Starter
(1) Be careful not to allow over-voltage and over-current.
(2) No Strike

Don’t apply a forcible power or strike.

(3) Keep apart from any liquid.

If liquid such as oil or water away enter the PTC, 
PTC materials it may break due to insulation
breakdown of the material itself.

(4) Don’t change PTC at your convenience.

Don’t disassemble PTC and mold. If the exterior to the
PTC-starter is damaged, resistance value is altered and
it may cause poor starting of the compressor motor
may cause.

(5) Use a properly fixed PTC.

PTC STARTER

HERMETIC

TERMINAL

COMPRESSOR
MOTOR

C

M

S

M

3

M

S

S

PTC

OVERLOAD 

PROTECTOR(O.L.P)

RSIR

RELAY ASSY

Figure  19

— 9 —

3 OLP (OVER LOAD PROTECTOR)

1) Definition of OLP
(1) OLP (OVER LOAD PROTECTOR) is attached to the

Hermetic Compressor and protects the Motor by cutting
off current in Compressor Motor in case of over-rising
temperature by Bimetal in the OLP.

(2) When over-voltage flows to Compressor motor, the

Bimetal works by heating the heater inside the OLP, 
and the OLP protects Motor by cutting off current which
flows to the Compressor Motor.

2) Role of the OLP
(1) The OLP is attached to the Hermetic Compressor used

for the Refrigerator and Show Case and prevents the
Motor Coil from being started in the Compressor.

(2) Do not turn the Adjust Screw of the OLP in any way for

normal operation of the OLP.
(Composition and connection Diagram of OLP)

CIRCUIT DIAGRAM

CONTACTING
POINT

COVER

BIMETAL

CONTACTING
POINT

HEATER

TERMINALS

ADJUST
SCREW

HEATER

BIMETAL

Figure  20

NOTE : 1. This is a basic diagram and specifications vary in different localities.

— 10 —

C
N

L

3

4 

6

5

2

S

BK

PK

RD

BL

BL

BL

BK

BL

CAPACITOR

PART

EARTH PART

COMPRESSOR

P.T.C

STARTER

RUNNING

BL

BL

BL

RD

GY

BL

BK

PR

GN/YL

POWER
SUPPLY
CORD

RT-SENSOR

YL

YL

BL

F-SENSOR

DOOR OPEN

PERCEPTION

DEF-SENSOR

BO
BO

BL
BL

GY
RD

1
2
3
4
5
6

GY PR BL YL

RD BN WHWH

BO

BK

GY

BN

SB

BK

OVERLOAD

PROTECTOR

STARTING

COOLING      

FAN MOTOR

DOOR SW-R

FUSE-M

( 72

˚C

)

L-CORD HEATER

SHEATH HEATER

R-LAMP

M

C

M

FAN MOTOR

PWB ASSY, MAIN

DISPLAY CONTROL P.W.B

DISPLAY CONTROL P.W.B

CIRCUIT DIAGRAM

1 2 3 4 5 6 7 8 9

• THE PLUG TYPE,

CAPACITOR PART,
COMPRESSOR EARTH
PART ON CIRCUIT
DIAGRAM ARE SUBJECT
TO CHANGE IN DIFFERENT
LOCALITIES AND ACCORDANCE
WITH MODEL TYPE

• WHEN STARTING CAPACITOR

IS NOT USED, NO.3,4 OF PTC
START IS CONNECTED
INTERNALLY

M

3854JD1026E

BK:BLACK

YL:YELLOW

SB:SKY BLUE

BN :BROWN

GN:GREEN

PK :PINK

RD:RED

BL :BLUE

GN/YL:GREEN/YELLOW

BO:BRIGHT ORANGE

PR:PURPLE

GY:GRAY

WH/BK:WHITE/BLACK

WH:WHITE

BL

YL

GY

BN

SB

BK

9

10

11

8 7 6 5 4 3 2 1

GY PR BL YL

RD BN WH WH

BO

1 2 3 4 5 6 7 8 9

B

A

B

A

3 OLP (OVER LOAD PROTECTOR)

1) Definition of OLP
(1) OLP (OVER LOAD PROTECTOR) is attached to the

Hermetic Compressor and protects the Motor by cutting
off current in Compressor Motor in case of over-rising
temperature by Bimetal in the OLP.

(2) When over-voltage flows to Compressor motor, the

Bimetal works by heating the heater inside the OLP, 
and the OLP protects Motor by cutting off current which
flows to the Compressor Motor.

2) Role of the OLP
(1) The OLP is attached to the Hermetic Compressor used

for the Refrigerator and Show Case and prevents the
Motor Coil from being started in the Compressor.

(2) Do not turn the Adjust Screw of the OLP in any way for

normal operation of the OLP.
(Composition and connection Diagram of OLP)

CIRCUIT DIAGRAM

CONTACTING
POINT

COVER

BIMETAL

CONTACTING
POINT

HEATER

TERMINALS

ADJUST
SCREW

HEATER

BIMETAL

Figure  20

NOTE : 1. This is a basic diagram and specifications vary in different localities.

— 10 —

C
N

L

3

4 

6

5

2

S

BK

PK

RD

BL

BL

BL

BK

BL

CAPACITOR

PART

EARTH PART

COMPRESSOR

P.T.C

STARTER

RUNNING

BL

BL

BL

RD

GY

BL

BK

PR

GN/YL

POWER
SUPPLY
CORD

RT-SENSOR

YL

YL

BL

F-SENSOR

DOOR OPEN

PERCEPTION

DEF-SENSOR

BO
BO

BL
BL

GY
RD

1
2
3
4
5
6

GY PR BL YL

RD BN WHWH

BO

BK

GY

BN

SB

BK

OVERLOAD

PROTECTOR

STARTING

COOLING      

FAN MOTOR

DOOR SW-R

FUSE-M

( 72

˚C

)

L-CORD HEATER

SHEATH HEATER

R-LAMP

M

C

M

FAN MOTOR

PWB ASSY, MAIN

DISPLAY CONTROL P.W.B

DISPLAY CONTROL P.W.B

CIRCUIT DIAGRAM

1 2 3 4 5 6 7 8 9

• THE PLUG TYPE,

CAPACITOR PART,
COMPRESSOR EARTH
PART ON CIRCUIT
DIAGRAM ARE SUBJECT
TO CHANGE IN DIFFERENT
LOCALITIES AND ACCORDANCE
WITH MODEL TYPE

• WHEN STARTING CAPACITOR

IS NOT USED, NO.3,4 OF PTC
START IS CONNECTED
INTERNALLY

M

3854JD1026E

BK:BLACK

YL:YELLOW

SB:SKY BLUE

BN :BROWN

GN:GREEN

PK :PINK

RD:RED

BL :BLUE

GN/YL:GREEN/YELLOW

BO:BRIGHT ORANGE

PR:PURPLE

GY:GRAY

WH/BK:WHITE/BLACK

WH:WHITE

BL

YL

GY

BN

SB

BK

9

10

11

8 7 6 5 4 3 2 1

GY PR BL YL

RD BN WH WH

BO

1 2 3 4 5 6 7 8 9

B

A

B

A

1 DOOR

● 

Freezer Door

1) Loosen 2 screws and pull the Lower Cover. 
2) Loosen hexagonal bolts fixing the lower hinge to the

body to remove the freezer door only.

3) Pull out the Door Gasket to remover from the 

Door Foam Assy, F.

●

Refrigerator Door

1) Loosen hexagonal bolts fixing the center hinge(Hinge,C)

to the body to remove the refrigerator door only.

2) Pull out the Door Gasket to remove from the 

Door Foam Assy, R.

2 DOOR SWITCH

1) Loosen four screws in upper part and disconnect top

cover.

2) Disconnect Lead Wire from switch.
3) Disengage hook behind the switch by pressing it with

hands.

3 REFRIGERATOR ROOM LAMP

1) Remove the Cover Lamp, R by pulling with a ‘–’ type

driver.

2) Remove the Lamp by turning.

3) After removing the lamp, you must check 

the O-RING, which is made by rubber and prevent
electric spark, in the socket. 

Bolt

Lower Hinge

Figure  6

GASKET

Figure  7

Hinge, C

Bolt

Figure  8

Figure  9

DISASSEMBLY

— 7 —

Figure  10