Холодильник lg gr 403svqf инструкция

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DOWNLOAD LG GR-403SVQF Service Manual ↓ Size: 3.86 MB | Pages: 34 in PDF or view online for FREE

CIRCUIT DIAGRAM

NOTE : THE  PLUG  TYPE  ON  CIRCUIT  DIRGRAM  IS  SUBJECT
             TO  CHANGE  IN  DIFFERENT  LOCALITIES.

WH : WHITE        BL  : BLUE          RD : RED             BN : BROWN

PR  : PURPLE      YL : YELLOW     PK : PINK            SB : SKY  BLUE

GY  : GRAY          GN : GREEN       BK : BLACK         BO : BRIGHT  ORANGE

3854JD1012A

C
N

L

M

3

6

5

S

M

C

RY1

RY2

YL

BL

BL

BK

BK

PR

WH

BK

GN/YL

BK

BK

BK

RD

BN

CON1

CON2

CON4

BL  BL BO BO

CON3

1   2   3   4   5   6   7   8   9 10

1   2   3   4   5   6   7   8   9 10

1   2   3

5 4 3 2 1

1   2   3   4

BK

BN

RD BO YL  GN  BL  PR  GY WH

BK

BN

RD BO YL  GN  BL  PR  GY WH

YL

YL

BL

BL

BL

BN

BK

FUSE 

— 

M

  (77 C)

OVER  LOAD

PROTECTOR

COMP-

RESSOR

POWER  SUPPLY

CORD

R-LAMP

F-SENSOR

DEF-SENSOR

DOOR  S/W-R

FAN  MOTOR

L-CORD

TE-PLATE

MAIN  CONTROL  P.C.B

DISPLAY  CONTROL  P.C.B

(1) SELF  TEST

(2)  FUNCTION  TEST

1)  FUNCTION  TEST  is  useful  to  check  the  connection  of  wires,  COMPRESSOR  and   DEFROST   SYSTEM.

2)  FUNCTION  TEST  is  started  with  the  push  of  TEST  KEY  on  MAIN  PCB.

3)  FUNCTION  TEST  is  released  and  goes  to  RESET  state  automatically  after  2  hours  if  the  TEST  KEY 

is  not  pushed  any  more.

FUNCTION TEST METHOD

•

NOTICE  BEFORE  TESTING :  1)  If  there  is  any  ERROR  during  power-on  state, 

ERROR CODE  is  displayed  with DISPLAY  LEDs
on  freezer  door,  the other  LEDs  are  all  off  and
DISPLAY  SWITCH  don’t  work.

2)  Be  sure  to  RESET  power  after  ERROR  CHECK

and TEST  MODE.

:      ON

:      OFF 

NO ERROR  STATE

ERROR  CODE LEDs

METHOD OF ERROR  DETECTION

REMARK

F1

F2

F3

1

2

3

F-SENSOR  
ERROR

DEFROST  SENSOR
ERROR

DEFROST  ERROR

FREEZER  SENSOR  LEAD  WIRE  OPEN  OR  
SHORT

DEFROST  SENSOR  LEAD  WIRE  OPEN  OR 
SHORT

WHEN  THE  TEMPERATURE  OF  DEFROST
SENSOR  IS  BELOW  13˚C  AFTER  2  HOURS
FROM  DEFROSTING

CHECK   THE 
CONNECTIONS  OF  
EACH   WIRE  OF  
SENSOR

TEMPERATURE  
FUSE ERROR  OR 
DEFROST  ITSELF IS
OUT  OF  ORDER

MODE

MANIPULATION

COMPRESSOR,  FAN

DEFROST  HEATER

DISPLAY  LED

TEST  1

PUSH  TEST  KEY 

OPERATE  REGARDLESS

OFF

AII  ON

1  TIMES                                     OF  TEMPERATURE

TEST  2

PUSH  TEST  KEY 

OFF

ON  IF  DEF — SENSOR

ONLY  «FUZZY»  LED  ON

1  TIMES   IN  TEST  1

IS  BELOW  13˚C

RESET    

PUSH  TEST  KEY             • IF  DEF — SENSOR  TEMPERATURE  IS  OVER  13˚C  IN  TEST  2,  IT  GOES  TO  INITIAL  RESET,

1  TIMES    IN  TEST  2      • WHEN  IT  RETURNS  TO  INITIAL  RESET.  COMPRESSOR  OPERATES  AFTER  7  MINUTES.

COLDER

F1

F2

F3

COLD

3-1 DOOR

●

Freezer Door

1. Loosen 3 hexagonal bolts fixed to the upper hinge and

lift the door to remove the freezer door only. (Figure 6)

2. Loosen screws within the Door Gasket to remove the

Door Liner and the Door Gasket. (Figure 7)

●

Chilled Room Door

1. Loosen 2 screws holding the Hinge-C assembly to

remove the Chilled Room Door only. (Figure

2. Remove the Door Liner and the Door Gasket by

loosening screws within the Door Gasket.

●  

Refrigerator Door

1. Loosen 3 hexagonal bolts fixed to the hinge lower-W to

remove the door only. (Figure

2. Lossen screws within the Door Gasket to remove the

Door Liner and the Door Gasket.

3-2 DOOR SWITCH

To remove the Door Switch, pull it out by inserting a
(–) driver in the bottom of the switch and separate the Lead
Wire. (Figure 10)

3-3 THERMISTOR

Main function of the Thermistor is to control the
temperature of freezer.
1. Remove all shelves placed in the freezer.
2. Loosen 2 screws fixing the control box assembly to the

body.

3. Remove the thermistor from the control box after

separating lead wires.

GASKET

DOOR LINER-F

DOOR-F FOAM ASM

Figure  7

COVER
HINGE
UPPER

HINGE
UPPER

Figure  6

Figure  8

HINGE LOWER-W

Figure  9

DOOR SWITCH

LEAD WIRE

Figure  10

3. DISASSEMBLY

— 6 —

CONTROL
BOX

THERMISTOR

SCREW

Figure  11

3-4 FAN AND FAN MOTOR

1. After taking out the Control Box-F, remove the grill fan

by leaning the hook upwards with a ‘–’ type driver and
pulling it out.

2. Pull out the shroud assembly.
3. Loosen 2 screws holding fan motor bracket to remove

the fan and fan motor assembly.

3-5 DEF’ CONTROL ASM

Def control ASM consists of Defrost sensor and FUSE-M.

Defrost sensor functions to defrost automatically and it is
attached to the Evaporator and the metal side of the case
senses Temp.

Fuse-M is a kind of safety device for preventing
overheating of the Heater when defrosting.

At the temperature of 77

°

C(or 72

°

C), it stops the emission

of heat from the Defrost Heater.

1. After removing the Control Box, and Fan Grill loosen 2

screws and remove the Shroud by pulling it out with your
hand. (Figure 13)

2. Separate the Lead Wire connected with the Def control

ASM and replace the Def control ASM after cutting the
Tie Wrap. (Figure 14)

3-6. DAMPER CONTROL

There are two Damper Controls in the Chilled Room and
Refrigerator Room. (Figures 16 and 17)

1. Pull out the Knob Damper and remove the Control Box

after loosening screws fixing each Control Box. 
(Figure 17)

NOTE : When taking out the Damper Control from the

lnner Case, don’t apply too much power to the
insulation Damper and the Damper Control.

3-7 LAMP

Replace the Lamp which is behind Control Box-R, by
turning it left. (Figure 18)

Figure  18

CHILLED ROOM

REFRIGERATOR
ROOM

Figure  16

SCREWS

Figure  17

— 7 —

FAN

BRACKET

FAN MOTOR

FAN SHROUD

FAN

DEF-SENSOR

FUSE-M

HOLDER FUSE

Figure  14

SHROUD-F

HOLDERS

Figure  13

Figure  12

8. EXPLODED VIEW

— 35 —

103A

105A

304A

317A

307A

314A

328A

312A

327A

315A

326A

325A

323A

320A

103C

319A

406B

283B

282B

282A

283A

282B

282A

418A

403A

401A

281C

281B

301A

281A

103B

411A

410H

410G

416A

416B

410F

410B

410A

407A

129A

413A

410F

410E

309A

310A

308A

501K

501F

501A

(501B,C,J,Q 504D)

318A

303A

403B

104B