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CAUTION

BEFORE SERVICING THE UNIT, READ THE "SAFETY
PRECAUTIONS" IN THIS MANUAL.

MODEL: G

N-332

COLOR:

ALL COLOUR

REFRIGERATOR

SERVICE MANUAL

http://biz.lgservice.com

Ref. No.

GR-332

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Summary of Contents for GN-332

Page 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL GN 332 COLOR ALL COLOUR REFRIGERATOR SERVICE MANUAL http biz lgservice com Ref No GR 332 ...

Page 2: ...efrigerator for current leakage 2 To prevent electric shock unplug before servicing 3 Always check line voltage and amperage 4 If you use any kind of appliance check regular current voltage and capacity 5 Don t touch metal products in the freezer with wet hands This may cause frostbite 6 Prevent water from following onto electric elements in the mechanical parts 7 Close the top door before opening...

Page 3: ...is over add the quantity in grams of R 134a to the refrigeration system Remember that every system has an exact quantity of R 134a with a tolerance of 5 grams that can be added Figure 4 Before performing this operation if the vacuum pump and refilling cylinder are connected make sure that the valve placed between the vacuum pump and the refilling tube are closed in order to keep the Freon for addi...

Page 4: ...er Defrost With a Timer OUT CASE Coated Steel Sheet INNER CASE A B S INSULATION Polyurethane Foam ITEMS SPECIFICATIONS SHELF FREEZER 1 EA REFRIGERATOR 2 EA VEGETABLE TRAY Drawer Type EGG TRAY 2 Pieces ICE TRAY 1 Piece 2 ICE BANK 1 Piece COMPRESSOR PTC Starting Type EVAPORATOR Fin Tube Type CONDENSER Pipe on Sheet Type REFRIGERANT R134a DEFROSTING DEVICE L CORD TE PLATE HEATER OPTION ...

Page 5: ...lastic or Steel REFRIGERATOR COMPARTMENT Deodorizer Option Chilled Room Temperature Control Dial Lamp F I R Lamp Option Shelves Plastic or Steel Multi Flow Duct Distributes cold air to each part of refrigerator compartment Vegetable Drawer Used to keep fruits and vegetables etc fresh and crisp Dairy Corner Option Bottle Guide Movable Rack Wine Rack Option NOTE This is a basic model The shape of re...

Page 6: ...3 3 THERMOSTAT 1 Remove the Cover Lamp R by the use of type driver inserting in the low holes of the cover 2 Loose 2 screw 3 Pull the Control Box R 4 Disconnect the Housing of lead wire 5 Separate the INSU Multi Duct and Control Box R 6 Dissasemble the Knob 7 Separate the Thermostat and Control Box R 8 Separate the Thermostat and Resistor 9 Disconnect the lead wire 3 4 FAN AND FAN MOTOR 1 Remove t...

Page 7: ... temperature of 77 C it stops the emission of heat from the Heater 1 Pull out the Shroud after removing the Grille 2 Separate the connector connected with the Def Control Assy and replace the Def Control Assy after cutting the Tie Wrap and removing the Holder Fuse Figure 14 3 6 REFRIGERATOR ROOM LAMP 1 Remove the cover lamp R by pulling with a type driver 2 Remove the lamp R by turning 3 7 CONTROL...

Page 8: ...m Don t lay the refrigerator down in working with it it will cause to get out of order 4 Be careful not to drop the door in disassembling or assembling the freezer or the refrigerator door 5 This refrigerator according to the install position or user s liking can be used as the type of opening from the right or the left W HOW TO REPLACE THE DOOR OPENING TYPE WHEN CONVERTING FROM THE LEFT OPENING T...

Page 9: ...he Door Stopper F K for Right Opening Type 11 Move the Pin Position M of the Hinge Upper 6 Assemble the Hinge Lower F 8 Move the Cap J and Assemble the Hinge C K After removing the washer 10 Move the Cap L and Assemble the Freezer Door C 12 Assemble the Hinge Upper B and the Cap A 9 7 9 8 11 3 13 2 1 3 12 5 4 10 6 ...

Page 10: ...For normal operation of single phase induction motor in the starting operation flows in both main coil and sub coil After the starting is over the current is cut off in subcoil The proper features of PTC play the above all roles So PTC is used as a starting device of motor 4 2 3 PTC Applied Circuit Diagram According to Starting Method of Motor 4 2 4 Motor Restarting and PTC Cooling 1 For restartin...

Page 11: ...by cutting off current which flows to the Compressor Motor 4 3 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 5 CIRCUIT DIAGRAM 11 CONTACTING POINT ...

Page 12: ...vise the customer to use a regular Trans Replace Compressor OLP works within 30 sec in forcible OLP operation by turning instant power on and off Components start in the voltage of Rating Voltage 10 below Applied voltage isn t in the range of Rating Voltage 10 Check the resistance among M C S C and M S in Motor Compressor Check the resistance of two terminals in PTC Starter Check if applying a reg...

Page 13: ...nother electric components Replace PTC Figure 23 Figure 22 Normal operation of the Defrost Timer is impossible No defrosting Poor cooling Turn the Cam Shaft Shake about 3 times with holding the Cam Shaft and Body softly The resistance is The resistance is 0 Ω or variable The resistance is about 220V 50 60Hz 7 30k Ω 120V 50 60Hz 3 5k Ω Loud click sound Replace the Defrost Timer Replace the Defrost ...

Page 14: ...ssor Replace each component Raise the voltage Replace each component Cause Check if current flows to starting devices Check current flowing in sub coil of Compressor Check capacity of OLP The items described above are normal Cooling ability is poor Fan motor doesn t run Much frost are sticked to the EVAPORATOR Poor contacting Coil is shorted Shorted Replace each component Replace each component Re...

Page 15: ...Food in the Are food placed in cooling air outlet Place food in high temperature section Refrigerator Front Part are frozen Check if the Thermostat is set to COLD Set the knob to MID Is the ambient temperature within 5 C Set the knob to WARM Dew or ice Are watery food kept Seal up watery food with vinyl wrap forms in the Check if putting in hot food Put in food after getting cold chamber of Did yo...

Page 16: ...re Normal cooling is possible don t get cold formed when injecting Refrigerant at all of regular amount PARTIAL Freeze room and Flowing sound of Refrigerant A little high Normal discharging of CLOG Refrigerator is heard and frost forms more than refrigerant don t get cold in inlet only ambient The capillary tube is faulty normally temperature WHOLE Freezer and Flowing sound of Refrigerant Equal to...

Page 17: ...ant mixing Do not mix with R 12 refrigerant To remove the moisture from pipe inside Defect refrigerant leak area The opening time should be reduced to a half of the standards during rain and rainy seasons the penetration of water into the pipe is dangerous Refer to repair note in each part R 134a refrigerant is more susceptible to leaks than R 12 and requires more care during welding Do not apply ...

Page 18: ...ts optional parts 8 EXPLODED VIEW EV 411A 416A 304A 410C 501F 501A 501K 410A 103B 281D 103A 401A 282B 418A 125L 129A 406B 120B 120A 120E 120C 409B 409C 158C 158F 329D 106A 283B 106B 315A 109B 407A 103C 318A 105A 317A 307A 314A 309A 308A 329C 420A 312A 310A 327A 328A 328B 319A 315B 319C 315C 323B 281A 301A 281B 410B 410H 410J 410G 604E 604F ...

Page 19: ...V 330B 405C 405A 404A 329A 332A 205A 205A 203A 200A 201A 243A 210A 241A 249A 233A 230A 231A 235A 241B 241C 151A 241D 154A 243A 149C 149C 149C 149C 149B 140A 212G 237A 110B 125A 131A 125J 149A 149A 149D 125H ...

Page 20: ...P No 3828JD8323J FEB 2006 Printed in Korea ...

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