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LG 79302
Owner's Manual
Shop genuine replacement parts for LG 79302
Find Your LG Refrigerator Parts - Select From 834 Models
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Summary of Contents for Sears Kenmore 795.79012.900

  • Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. LG 79302 Owner's Manual Shop genuine replacement parts for LG 79302 Find Your LG Refrigerator Parts - Select From 834 Models -------- Manual continues below --------...
  • Page 2 TOP FREEZER REFRIGERATOR REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MODELS: 795.79012.900 795.79013.900 795.79014.900 795.79019.900 795.79302.900 795.79303.900 795.79304.900 795.79309.900 Sears, Roebuck and Co., Hoffman Estates, IL60179 U.S.A. www.sears.com...
  • Page 3: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ..................... 1. SPECIFICATIONS ......................2. PARTS IDENTIFICATION ....................3. DISASSEMBLY ........................ 3.1 Door ..........................3.2 Door switch ......................... 3.3 Fan and fan motor ....................... 3.4 Defrost control assembly ..................... 3.5 Lamp ........................... 3.6 Control box-refrigerator ....................4. COMPRESSOR ELECTRICAL ..................4.1 Compressor .........................
  • Page 4: Specifications

    1. SPECIFICATIONS 1-1 DISCONNECT POWER CORD BEFORE SERVICING IMPORTANT RECONNECT ALL GROUNDING DEVICES. All parts of this appliance capable of conducting electrical current are grounded. If grounding wires, screws, straps, clips, nuts or washers used to complete a path to ground are removed for service, they must be returned to their original position and properly fastened.
  • Page 5: Performance Data

    1-7 REPLACEMENT PARTS 19 cuft 22 cuft PERFORMANCE DATA Relay (PTC) 6748C-0004D 6748C-0004D ....... Overload Protector (OLP)..6750C-0005P 6750C-0005P (NORMAL OPERATING CONDITIONS) Defrost Thermostat ....4781JK2001A 4781JK2001A Defrost Heater ......5300JK1003D 5300JK1003J SYSTEM PRESSURE (PSIG) Evaporator Fan Motor ..... 4681JK1004A 4681JK1004A WATTS...
  • Page 6: Parts Identification

    2. PARTS IDENTIFICATION Use this section to become more familiar with the parts and features. Page references are included for your convenience. NOTE: This guide covers several different models. The refrigerator you have purchased may have some or all of the items listed below. The locations of the features shown below may not match your model. CustomCube Ice maker Base Grille Ice Bin...
  • Page 7: Disassembly

    3. DISASSEMBLY 3-1 DOOR 3-2 DOOR SWITCH Freezer Door 1. To remove the door switch, pry it out with a slotted-type 1. Remove the hinge cover by pulling it upwards. driver, as shown in (Figure 4). 2. Loosen hexagonal bolts attaching the upper hinge to the 2.
  • Page 8: Fan And Fan Motor

    3-3 FAN AND FAN MOTOR 3-5 LAMP 1. Remove the freezer shelf. (If your refrigerator has an icemaker, unplug and remove the icemaker first). 2. Remove the screw of the cover grille fan 3. Remove the grille by pulling it out and by loosening a screw. 4.
  • Page 9: Compressor Electrical

    COMPRESSOR ELECTRICAL 4-2-4 Role of Combo TSD 4-1 COMPRESSOR (1) The combo is attached to the sealed compressor and is used 4-1-1 Role for the operation and protect the motor. (2) The compressor is a single phase induction motor. During The compressor intakes low temperature and low pressure gas the starting and operation, the combo allows current flow to both from the evaporator of the refrigerator and compresses this gas...
  • Page 10: Olp (Overload Protector)

    4-2-6 Motor Resarting and PTC/ Combo Cooling 4-3-2 Role of the OLP (1) It requires approximately 5 minutes for the pressure to (1) The OLP is attached to the sealed compressor used for the equalize before the compressor can restart. refrigerator.
  • Page 11: Circuit Diagram

    5. CIRCUIT DIAGRAM PWB(PCB) ASSEMBLY, DISPLAY PWB(PCB) ASSEMBLY, DISPLAY CON101 CON101 RT-SENSOR RT-SENSOR PK YL YL BL 1 1 2 2 3 3 4 4 5 5 6 6 11 11 10 10 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 CON5 CON5 CON6...
  • Page 12: Troubleshooting

    6. TROUBLESHOOTING 6-1 COMPRESSOR AND ELECTRIC COMPONENTS (Rated voltage Remove PTC-Starter/Combo Power Source. ±10%)? from compressor and measure voltage between Terminal C of compressor and terminal 5 or 6 of PTC/Combo OLP disconnected? No voltage. Replace OLP. Check connection condition. Reconnect.
  • Page 13: Ptc/ Combo And Olp

    6-2 PTC / COMBO AND OLP Separate PTC-Starter/Combo Observation value is Normal operation of PTC/ Combo OK 115V/60Hz : 6.8 ±30% compressor is impossible from Compressor and at room temperature or poor. measure resistance between No. 5 and 6 of PTC-Starter with a Tester.
  • Page 14: Other Electrical Components

    6-3 OTHER ELECTRIC COMPONENTS • Not cooling at all Check for open short or Compressor Cause incorrect resistance readings doesn't run. in the following components a. Starting devices Short, open or broken. Poor contact b. OLP or shorted. Coil open or shorted. c.
  • Page 15: Service Diagnosis Chart

    6-4 SERVICE DIAGNOSIS CHART COMPLAINT SYMPTOM POSSIBLE CAUSES SOLUTION Electronic Display not 1. No Display at all 1. Check supply voltage to refrigerator 1. Supply voltage not within specifications operating correctly 2. Chack wiring and connectors to PWB board 2. Open in wiring harness from PWB board 3.
  • Page 16: Refrigeration Cycle

    6-5 REFRIGERATING CYCLE • Troubleshooting Chart TEMPERATURE STATE OF STATE OF THE CAUSE REMARKS OF THE THE UNIT EVAPORATOR COMPRESSOR PARTIAL Freezer Low flowing sound of A little higher • Refrigerant level is low due LEAKAGE compartment and Refrigerant is heard and than ambient to a leak.
  • Page 17: Operation Principle And Repair Method Of Icemaker

    7. OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 7-1 OPERATION PRINCIPLE 7-1-1 Operation Principle of Icemaker Power On Start Position •Adjusts Ejector to Start Position with power on. Icemaking • Waits until water becomes cold after starting the Mode Icemaking operation. Harvest •...
  • Page 18: Ice Maker Functions

    7-2 ICE MAKER FUNCTIONS 7-2-1 Ice Making Mode 1. Icemaking refers to the freezing of supplied water in the ice trays. Complete freezing is assured by measuring the temperature of the Tray with icemaking SENSOR. 2. Icemaking starts after completion of the water fill operation. 3.
  • Page 19: Description Of Function & Circuit Of Micom

    8. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM 8-1 FUNCTION 8-1-1 Function 1. When Appliance is plugged in for first time, is set “3” for the refrigerator. You can adjust the refrigerator control temperature by pressing the ADJUST button. 2. When the power is initially applied or restored a power failure, it is set at the last control temperature selected before the power initially applied or restored a power failure.
  • Page 20 8-1-4 Defect Diagnosis Function 1. If there is a problem, an error code will appear.. 2. The buttons will not operate. 3. When the problem is repaired, the display will return to normal. 4. The error code is displayed using the LEDs. :OFF •...
  • Page 21: Off Mode

    8-1-5 OFF Mode 1. For active this function you have to press the control button until the OFF mode led is ON. The OFF mode will take effect after 10 seconds. 2. When the OFF mode is active the compressor, the heater, water valve and the fans are inactive. Only the lamps (dispenser and R/F lamps) and the display are active in normal operation (Door open: R/F lamps and display ON).
  • Page 22 8-1-8 Dispenser Control (only for Dispenser models) 1. For active the water dispenser press and hold the dispenser switch. 2. For stop water dispenser release the dispenser switch. 3. When the door is open for External Models and door is close for Internal Models the Dispenser water valve can not be active.
  • Page 23: Test Mode

    8-1-11 TEST MODE 1. Test mode allows checking the PCB and the function of the product as well as determining the Defective part in case of an error. 2. The test button is on the main PCB of the refrigerator (Test S/W). 3 While in the test mode, the ADJUST button will not operate.
  • Page 24: Pcb Function

    8-2 PCB FUNCTION Con 2 Con 3 Con 1 Con 8 Con 2 Con 5 Con 6 Con 7 - 23 -...
  • Page 25 8-2-1 Power Circuit Power is supplied to the control board at the pin 11 and 9 of connector #1. (Refer to figure 1) FIGURE 1 8-2-2 Load and Door Light Circuit (HV) 1. Load Drive Condition Check To measure outputs of the control board, check voltages between the pins for the following components: (Refer to figure 1) Output CONNECTOR 1...
  • Page 26 2. Door Monitor Circuit (LV) Measurement between CONNECTOR 8 Refrigerator pins 4 and 3 Con 8 Door Close 5 volts Door Open 0 volts RT-SNR R-DOOR S/W 8-2-3 Temperature Sensor Circuit (Refer to figure 2) Voltage supplied to each sensor wil range between 0.5 volts -22°F(-30°C) and 4.5 volts 122°F(50°C) depending upon the temperature in the compartments.
  • Page 27: Resistance Specification Of Sensor

    To measure the outputs of the fans on the control boards check the voltages between the pins for the following components: OUTPUT VOLTAGE PIN NUMBER PIN NUMBER MOTOR ON MOTOR OFF Freezer Fan Con 4 pin 5 Con 4 pin 6 10 - 14 VCD 2 VCD or less Cooling Fan Con 4 pin 2...
  • Page 28: Case Parts

    #EV# EXPLODED VIEW (Internal Dispenser) CASE PARTS CAUTION: Use the part number to order part, not the position number 103B 401A 301A 281A 281B 103A 501F 282E 623H 418A 282X 410G 411A 282B 120A 406B 501A 113F 120E 145A 304A 410A 903D 120B...
  • Page 29: Freezer Parts

    #EV# FREEZER PARTS CAUTION: Use the part number to order part, not the position number 405F 330B 408A 332A 409B 110D 158E 405C 319E 284A 404A 329A 284C 149F 404Z 149A * Only Ready models -28-...
  • Page 30: Refrigerator Parts

    #EV# REFRIGERATOR PARTS CAUTION: Use the part number to order part, not the position number 143E 140D 140B 140E 143F 142D 140B 142E 141D 128A 170A 128B 149C 149E 141E 143E 140D 140B 140E 103E 167B 154A 103E 151A 155B 151A 151C -29-...
  • Page 31: Door Parts

    #EV# DOOR PARTS CAUTION: Use the part number to order part, not the position number 200A 201A 205C 205A 203A 212G 205B 205D 286A 210B 210A 241A 230A 234B 233A 231A 241B 241C 281E 241E 241C 241C 286A 241D 243A 283F -30-...
  • Page 32: Ice Maker Parts

    #EV# ICE MAKER PARTS CAUTION: Use the part number to order part, not the position number 622B 618A 616E 623C 600C 602A 619C 619A 262D 600A 131A -31-...
  • Page 33 795.79012.900 #EV# Loc No. Part No. Description Loc No. Part No. Description 103A 3650JJ2003E Handle,Rear 301A 5421JJ0003A Evaporator Assembly 103B 3650JJ2003A Handle,Rear 304A 3551JJ2008A Cover Assembly,Machinery(Rear) 103C 3551JJ1015A Cover Assembly,Lower 305B 4580JJ3001A Roller 103E 5218JJ3001A Rail,Slide 305C 4J04238A Pin,Common 105A 5251JA3003B Tube Assembly,Drain 307A TCA33414101 Compressor,Set Assembly...
  • Page 34 795.79013.900 #EV# Loc No. Part No. Description Loc No. Part No. Description 103A 3650JJ2003H Handle,Rear 301A 5421JJ0003A Evaporator Assembly 103B 3650JJ2003D Handle,Rear 304A 3551JJ2008A Cover Assembly,Machinery(Rear) 103C 3551JJ1015G Cover Assembly,Lower 305B 4580JJ3001A Roller 103E 5218JJ3001A Rail,Slide 305C 4J04238A Pin,Common 105A 5251JA3003B Tube Assembly,Drain 307A TCA33414101 Compressor,Set Assembly...
  • Page 35 795.79014.900 #EV# Loc No. Part No. Description Loc No. Part No. Description 103A 3650JJ2003F Handle,Rear 301A 5421JJ0003A Evaporator Assembly 103B 3650JJ2003B Handle,Rear 304A 3551JJ2008A Cover Assembly,Machinery(Rear) 103C 3551JJ1015C Cover Assembly,Lower 305B 4580JJ3001A Roller 103E 5218JJ3001A Rail,Slide 305C 4J04238A Pin,Common 105A 5251JA3003B Tube Assembly,Drain 307A TCA33414101 Compressor,Set Assembly...
  • Page 36 795.79019.900 #EV# Loc No. Part No. Description Loc No. Part No. Description 103A 3650JJ2003M Handle,Rear 301A 5421JJ0003A Evaporator Assembly 103B 3650JJ2003L Handle,Rear 304A 3551JJ2008A Cover Assembly,Machinery(Rear) 103C 3551JJ1015E Cover Assembly,Lower 305B 4580JJ3001A Roller 103E 5218JJ3001A Rail,Slide 305C 4J04238A Pin,Common 105A 5251JA3003B Tube Assembly,Drain 307A TCA33414101 Compressor,Set Assembly...
  • Page 37 795.79302.900 #EV# Loc No. Part No. Description Loc No. Part No. Description 103A 3650JJ2003E Handle,Rear 301A 5421JJ0002A Evaporator Assembly 103B 3650JJ2003A Handle,Rear 304A 3551JJ2008B Cover Assembly,Machinery(Rear) 103C 3551JJ1015B Cover Assembly,Lower 305B 4580JJ3001A Roller 103E 5218JJ3001A Rail,Slide 305C 4J04238A Pin,Common 105A 5251JA3003B Tube Assembly,Drain 307A TCA33414101 Compressor,Set Assembly...
  • Page 38 795.79303.900 #EV# Loc No. Part No. Description Loc No. Part No. Description 103A 3650JJ2003H Handle,Rear 301A 5421JJ0002A Evaporator Assembly 103B 3650JJ2003D Handle,Rear 304A 3551JJ2008B Cover Assembly,Machinery(Rear) 103C 3551JJ1015H Cover Assembly,Lower 305B 4580JJ3001A Roller 103E 5218JJ3001A Rail,Slide 305C 4J04238A Pin,Common 105A 5251JA3003B Tube Assembly,Drain 307A TCA33414101 Compressor,Set Assembly...
  • Page 39 795.79304.900 #EV# Loc No. Part No. Description Loc No. Part No. Description 103A 3650JJ2003F Handle,Rear 301A 5421JJ0002A Evaporator Assembly 103B 3650JJ2003B Handle,Rear 304A 3551JJ2008B Cover Assembly,Machinery(Rear) 103C 3551JJ1015D Cover Assembly,Lower 305B 4580JJ3001A Roller 103E 5218JJ3001A Rail,Slide 305C 4J04238A Pin,Common 105A 5251JA3003B Tube Assembly,Drain 307A TCA33414101 Compressor,Set Assembly...
  • Page 40 795.79309.900 #EV# Loc No. Part No. Description Loc No. Part No. Description 103A 3650JJ2003M Handle,Rear 301A 5421JJ0002A Evaporator Assembly 103B 3650JJ2003L Handle,Rear 304A 3551JJ2008B Cover Assembly,Machinery(Rear) 103C 3551JJ1015F Cover Assembly,Lower 305B 4580JJ3001A Roller 103E 5218JJ3001A Rail,Slide 305C 4J04238A Pin,Common 105A 5251JA3003B Tube Assembly,Drain 307A TCA33414101 Compressor,Set Assembly...
  • Page 41 February, 2009...

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