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6-5 SERVICE DIAGNOSIS CHART

-  14 -

In addition to the items described above, refer to the followings to solve the complaint.

Check if dew forms
in the Freezer.

Replace the
Components of
defrosting circuit.

Check Refrigerating
Cycle.

Check the
Thermostat.

Defrosting is poor.

The cycle is faulty.

Repair the cycle.

Replace the
Thermostat.

The operation of the
Thermostat is poor.

COMPLAINT

POINTS TO BE CHECKED

REMEDY

Cooling is

 Is the power cord unplugged from the outlet?

 Plug to the outlet.

impossible.

 Check if the power S/W is setted to OFF.

 Set the switch to ON.

 Check if the fuse of power S/W is shorted.

 Replace a regular fuse.

 Measure the voltage of power outlet.

 If voltage is low, wire newly.

Cooling ability

 Check if the set is placed close to wall.

 Place the set with the space of about 10cm.

is poor.

 Check if the set is placed close to stove, gas

 Place the set apart from these heat sources.

¥

 

cooker and direct rays.

 Is the ambient temperature high or 

 Make the ambient temperature below.

¥

 

the room door closed?

 Check if putting in hot food.

 Put in food after they get cold.

 Did you open the door of the set too often 

 Don't open the door too often and close

¥

 

or check if the door is closed up?

¥

 

it firmly.

 Check if the TEMP. CONTROL is set to MIN.

 Set the knob to MID.

Freezing ability

 Is the ambient temperature too LOW(10 C)?

 For colder freezer, turn the FREEZER TEMP.

is poor

¥

 

CONTROL to "6"~"7", and the REFRIGERATOR

TEMP. CONTROL to MAX.

 Check if the FREEZER TEMP. CONTROL

 Turn the TEMP. CONTROL to 3~6. 

is set to 1~2?

Food in the

 Are food placed in cooling air outlet?

 Place food in high temperature section.

Refrigerator

¥

 

(Front Part)

are frozen.

 Check if the TEMP. CONTROL is set to MAX.

 Set the knob to MID.

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 you open the door of the set too  

 Don't open the door too often and close

the set.

often or check  if the door is closed up.

¥

 

it firmly.

Dew forms

 Check if ambient temperature and humidity

 Wipe dew with a dry cloth. This happening

in the Out Case.

are high.

¥

 

is solved in low temperature and humidity

¥

 

naturally.

 Is the gap in the door packing?

 Fill up the gap.

Abnormal

 Is the set positioned in a firm and even place?

 Adjust the Leveling Screw, and place

noise generates.

¥

 

in the firm place.

 Does any unnecessary objects exist 

 Remove the objects.

¥

 

in the back side of the set?

 Check if the Cover Evaporating Tray is omitted.

 Place it on an original position.

 Check if the cover of mechanical room 

 Place the cover at an original position.

in below and front side is taken out.

To close the door

 Check if the door packing becomes dirty 

 Clean the door packing.

is not handy.

¥

 

by filth such as juice.

 Is the set positioned in a firm and even place?

 Position in the firm place and adjust the

¥

 

Leveling Screw.

 Are too much food put in the set?

 Keep foods from reaching to the door.

Ice and food

 Check if the inside of the set becomes dirty.

 Clean the inside of the set.

smell unpleasant.

 Did you keep smelly foods without wraping?

 Wrap smelly food.

 It smells plastic.

 The new products smell plastic, but it is

Summary of Contents for GN-V192

Page 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL REFRIGER ATOR SERVICE MANUAL http biz lgservice com MODEL GN V192 V212 V232 S ...

Page 2: ...tom door Otherwise you might hit your head when you stand up 2 To prevent electric shock unplug before servicing 8 When tilting the refrigerator remove any materials on 3 Always check line voltage and amperage the refrigerator especially the thin plates ex Glass 4 If you use any kind of appliance check regular current shelf or books voltage and capacity 9 When servicing the evaporator wear cotton ...

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 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 addition to the system Figure 5 In addi...

Page 4: ...IONS mm 537 W X 606 D X 1451 H NET WEIGHT kg 46 COOLING SYSTEM TEMPERATURE CONTROL Full Automatic DEFROSTING SYSTEM With a Timer OUT CASE INNER CASE INSULATION Polyurethane Foam ITEMS l SPECIFICATIONS FREEZER REFRIGERATOR VEGETABLE TRAY ICE MAKER TWIST ICE TRAY ICE TRAY COMPRESSOR EVAPORATOR CONDENSER REFRIGERANT LUBRICATING OIL DEFROSTING DEVICE SHELF OPTIONAL Knob Drawer Type P T C Starting Type...

Page 5: ...ial Freezer Shelf REFRIGERATOR COMPARTMENT Chilled Compartment Refrigerator Temperature Control Knob Lamp Shelves Optional Deodorizer Optional Vitamin Kit Optional Vegetable Drawer Used to keep fruits and vegetables etc fresh and crisp Freezer Door Rack Egg Storage Rack Movable Rack Refrigerator Door Rack Optional Leveling Screws All parts shown may not be included with every model Optional part ...

Page 6: ...2 bolts In this case be careful not to drop the freezer door Figure 6 Separating the Freezer Door 2 Refrigerator Door 1 Loosen hexagonal bolts fixing the Lower Hinge to the 2 Pull out the door gasket to remove from the door foam Ass y 6 1 Open the freezer door to 90 after separating the Hinge Upper and grasp the Freezer Door with right hand Slide the freezer door to the upside after remove the O H...

Page 7: ...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 BOX R 1 Remove t...

Page 8: ...r 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 restart...

Page 9: ...heater inside the OLP and the OLP protects Motor 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 Diag...

Page 10: ... 10 NOTE 1 This is a basic diagram and specifications vary in different localities 5 CIRCUIT DIAGRAM ...

Page 11: ... Replace Compressor OLP works within 30 sec in forcible OLP operation by turning instant power on and off Applied voltage isn t in the range of Rating 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 regular OLP Measure minimum starting voltage after 5 min for balancing cycle pressure and cooling the PTC Check t...

Page 12: ......

Page 13: ...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 14: ...he TEMP CONTROL to 3 6 is set to 1 2 Food in the Are food placed in cooling air outlet Place food in high temperature section Refrigerator Front Part are frozen Check if the TEMP CONTROL is set to MAX Set the knob to MID 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 you open the door of th...

Page 15: ...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 16: ...nt mixing Do not mix with R 12 refrigerant T o 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 17: ...106A 406B 301A 129A 281B 282B 418A 401A 120A 604E 158C 106B 604F 283B 319A 313A 307A 315A 309A 310A 308A 314A 105A 317A 312A 410C 410A 281A 103A 103B 409B 407A 411A 410G 410B ...

Page 18: ...ptional parts 241D 405C 330B 405A 332A 404A 329A 241B 241C 230A 233A 231A 241A 231A 205A 200A 203A 210A 201A 235A 109C 243A 281D 154A 154A T PERED L S EM G AS 149B 149C 154A 151A 149A 131A 125A 154A 140A ...

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