LG gr-392 Service Manual Download Page 16

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7. EXPLODED VIEW

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318A

317A

328A

327A

314A

307A

308A

310A

309A

312A

315A

326A

325A

323A

104B

104C

103C

120D

120B

319A

104B

283B

120C

120A

406B

125A

110C

110B

110A

129A

281B

281A

103B

103A

304A

145F

409B

604E

604F

105A

411A

410G

416A

416B

410F

410B

410A

410C

406B

282G

282B

410H

103D

409C

407A

311A

282H

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The parts of refrigerator and the shape of each part are subject to change in different localities or model name.

Summary of Contents for gr-392

Page 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL GR 392 ...

Page 2: ... unplug prior to servicing 3 In case of testing with power on wear rubber gloves to prevent electric shock 4 If you use any appliances check regular current voltage and capacity 5 Don t touch metal products in cold freezer with wet hand It may cause frostbite 6 Prevent water flowing to electric elements in mechanical parts 7 When you stand up during observing the lower part with the upper door ope...

Page 3: ...dd the quantity in grams of R 12 R134a to the refrigerant system Remember that every system has an exact quantity of R 12 R134a 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 refilling tube are closed to keep the Freon for adding to the system...

Page 4: ...TING OIL HTS 95 330cc DEFROSTING DEVICE Heater FREE CORNER Have QUICK FREEZER Have SHELF 1 1 GR 392C CV S SV ITEMS SPECIFICATIONS FREEZER 86L REFRIGERATOR 241L TOTAL 327L DIMENSIONS mm 725 W X632 D X1684 H NET WEIGHT kg 68 COOLING SYSTEM Fan Cooling TEMPERATURE CONTROL Knob Dial Full Automatic DEFROSTING SYSTEM Heater Defrost With a Timer OUT CASE Coated Steel Sheet INNER CASE ABS Resin NET CAPACI...

Page 5: ...MP CONTROL KNOB SHELVES COVER VEGETABLE TRAY VEGETABLE TRAY COVER LOWER ADJUSTABLE FEET BOTTLE RACK MULTI DUCT R EGG TRAY BASKET OF FREEZER QUICK FREEZING CORNER NOTE This is a basic model The shape of refrigerator is subject to change 2 PARTS IDENTIFICATION 5 ...

Page 6: ...ket 3 2 DOOR SWITCH 1 To remove the door switch pull out it with a Ñ type driver as shown in Figure 9 2 Disconnect the lead wire from the switch 3 3 THERMOSTAT 1 Loosen 2 screws fixing the control box assembly to the body 2 Remove the thermostat knob and the thermostat from the control box 3 4 FAN AND FAN MOTOR 1 After taking out the control box remove the grill fan by leaning the hook upwards wit...

Page 7: ...the Def Control ASM after cutting the Tie Wrap and removing the Holder Fuse Figure 14 3 6 LAMP 3 6 1 Freezer 1 Remove all shelves in the freezer 2 To remove the lamp cover insert a Ñ type driver in the lower gap and pull out it as shown in Figure 15 3 Turn the lamp counterclockwise 3 6 2 Refrigerator 1 Remove all shelves in the refrigerator 2 Insert your hand in the lower aperture of the Lamp Cove...

Page 8: ...r 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 sub coil 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 restarting...

Page 9: ...cts Motor by cutting off current which flows to Compressor Motor 4 3 2 Role of OLP 1 OLP is attached to Hermetic Compressor used to Refrigerator and Show Case and prevents Motor Coil from being started in the Compressor 2 Do not turn the Adjust Screw of OLP in any way for normal operation of OLP Composition and connection Diagram of OLP 5 CIRCUIT DIAGRAM CONTACTING POINT HEATER TERMINALS BIMETAL C...

Page 10: ... 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 Remove the PTC Starter from the Compressor and measure the voltage between Terminal C of Compressor and Terminals 5 or 6 of PTC 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 11: ...omponents Replace PTC Starter Figure 21 Figure 22 Figure 23 Normal operation of the Defrost Timer is impossible No defrosting Poor cooling Position the Cam Shaft to the point of first click sound and check the current flowing between terminals No 1 brown and No 2 bright orange Next position the Cam Shaft to the point of second click sound and check the current flowing between terminals No 1 brown ...

Page 12: ...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 Replace...

Page 13: ...l up watery foods with wrap forms in the Check if putting in hot foods Put in foods after they get 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...

Page 14: ...e Normal cooling is possible don t get cold formed when injecting Refrigerant nornally 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 room and Flowing sound of Refrigerant Eq...

Page 15: ...without fail 1 gauge of charging M C vacuum Perform vacuum operation until a proper 1 degree is within 1 Torr vacuum degree is built up 2 If the vacuum degree of the cycle inside is If a proper vacuum degree isn t built up 2 10 Torr below for low pressure and 20 Torr check the leakage from 2 for high pressure it says no vacuum the Cycle Pipe line part and 2 leakage state Quick Coupler Connecting p...

Page 16: ...D 120B 319A 104B 283B 120C 120A 406B 125A 110C 110B 110A 129A 281B 281A 103B 103A 304A 145F 409B 604E 604F 105A 411A 410G 416A 416B 410F 410B 410A 410C 406B 282G 282B 410H 103D 409C 407A 311A 282H The parts of refrigerator and the shape of each part are subject to change in different localities or model name ...

Page 17: ...5J 155H 155A 149B 205A 205A 145B 145A 149A 330B 332A 301A 405C 404A 405C 405A 409B 330C 205A 203A 202A 201A 205A 128B 127A 233A 232A 231A 329A 418A 155J 155H 210A 210B 155B 136A 136B 131A 131C 401A 235A 212G 303A 403A 303B 200A 230A ...

Page 18: ...P NO 3828JD8109D MAR 1998 Printed in Korea ...

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