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TOP FREEZER REFRIGERATOR
REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MFL62078213
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
R
MODELS:
795.79012.901
795.79013.901
795.79014.901
795.79019.901
795.79302.901
795.79303.901
795.79304.901
795.79309.901
www.sears.com

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Summary of Contents for Kenmore 795.79012.901

  • Page 1 TOP FREEZER REFRIGERATOR REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MODELS: 795.79012.901 795.79013.901 795.79014.901 795.79019.901 795.79302.901 795.79303.901 795.79304.901 795.79309.901 MFL62078213 www.sears.com Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ..................... 1. SPECIFICATIONS ......................2. PARTS IDENTIFICATION ....................3. DISASSEMBLY ........................ 3.1 Door ..........................3.2 Fan and fan motor ....................... 3.3 Defrost control assembly ..................... 3.4 Lamp ........................... 3.5 Control box-refrigerator ....................4. COMPRESSOR ELECTRICAL ..................4.1 Compressor ......................... 4.2 PTC-Starter/ COMBO ....................
  • Page 3: 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 4 1-7 REPLACEMENT PARTS PERFORMANCE DATA (NORMAL OPERATING CONDITIONS) Relay (PTC) ........6748C-0004D SYSTEM PRESSURE (PSIG) WATTS Overload Protector (OLP) ..... 6750C-0005P HIGH SIDE LOW SIDE Defrost Thermostat ....... 4781JK2001A 70°F 98 (+10 / -10) 98 (+5 / -3) (-5) to (-2) Defrost Heater ....
  • Page 5: 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. Custom Cube Ice maker* Shelves Ice Bin...
  • Page 6: Disassembly

    3. DISASSEMBLY Remove Refrigerator Door 3-1 DOOR 1. Loosen and remove the 2 bolts and the phillips head Remove Freezer Door screw to remove the Middle Hinge Bracket from refrigerator housing (fig. 4 and 5). Set parts aside. Before removing the doors, remove the Base Grille. 1.
  • Page 7 Replace Refrigerator Door 2. Place Upper Hinge’s Pin in the top of freezer door and line up the Upper Hinge with holes in top of 1. Set door onto Bottom Hinge Pin. refrigerator . Use the 3 bolts to replace hinge (fig.10). 2.
  • Page 8 Reversing Doors Fig. 16 Tools Needed • 10mm or 13/32-inch socket wrench Door Closer / Stop (with 2-inch extension for bottom door hinge). • No.2 Phillips head screwdriver. • 1/4 inch socket wrench. • Flat-head screwdriver for prying. Reverse Freezer Door 1.
  • Page 9 Reverse and Reattach Refrigerator Door 1. Using a 1/4-inch socket wrench, loosen and remove Fig.22 Hinge Pin from the Middle hinge Pin Bracket. Remove washer underneath the middle hinge and set aside. Note: At this point the door will be loose, lift up door slightly and remove it (Fig.20 and 20a).
  • Page 10 8. Move the Bottom Hinge to the left side of housing keeping the same orientation, and reattach with 3 bolts Fig. 28 (fig.25). Now move Decorative Bolt to hole on lower Hinge right side of housing. Pin Bracket Fig. 25 Hinge Pin Insert 13.
  • Page 11 16. Following illustration, flip the Middle Bracket (Flange will now be on top) and position on left side of Fig. 35 refrigerator and re-attach with two bolts and a Phillips screw (fig.32). 17. Place refrigerator door down over pin on bottom hinge (fig.32).
  • Page 12: Fan And Fan Motor

    3-2 FAN AND FAN MOTOR 3-4 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 13: 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 14: 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 15: Circuit Diagram

    5. CIRCUIT DIAGRAM PWB(PCB) ASSEMBLY, DISPLAY CON101 R/F-DOOR RT-SENSOR DISPENSER WH BK 4 3 2 1 CON5 CON6 CON8 CON4 CON7 DISPENSER C-FAN DEF-SENSOR F-FAN PWB(PCB) ASSEMBLY, MAIN R-SENSOR DISPENSER CON1 CON2 CON3 (PK) POWER SUPPLY CORD DISPENSER VALVE GN/YL (GN) CAPACITOR PART GN/YL...
  • Page 16: 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 17: Ptc/ Combo And Olp

    6-2 PTC / COMBO AND OLP Observation value is Normal operation of 115V/60Hz: 6.8Ù±30% PTC/ Combo OK compressor is impossible Separate PTC-Starter/ at room temperature. or poor. Combo from Compressor andmeasure resistance between No.5 and 6 of PTC-Starter with a tester. (Fig.44 and Fig.45) Replace PTC- The resistance value is...
  • Page 18: 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 19: Service Diagnosis Chart

    6-4 SERVICE DIAGNOSIS CHART COMPLAINT SYMPTOM POSSIBLE CAUSES SOLUTION 1. No Display Electronic Display not 1. Supply voltage not within specifications 1. Check supply voltage to refrigerator operating correctly at all 2. Open in wiring harness from PWB board 2. Chack wiring and connectors to PWB board 3.
  • Page 20: 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 21: Operation Principle And Repair Method Of Icemaker

    7. ICEMAKER 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.
  • Page 22: 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 23: 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 24 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 25 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 26 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 is close the Dispenser water valve can not be active. 4.
  • Page 27 8-1-10 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 28: Pcb Function

    8-2 PCB FUNCTION Con 2 Con 3 Con 1 Con 8 Con 2 Con 5 Con 6 Con 7 - 28 -...
  • Page 29 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) CON1 CON2 CON3 (PK) POWER SUPPLY CORD DISPENSER VALVE GN/YL (GN) CAPACITOR PART GN/YL (GN) (GN) COMP' EARTH P.T.C PART COMP' ACCESSORIES...
  • Page 30 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 31: Resistance Specification Of Sensor

    8-3 RESISTANCE SPECIFICATION OF SENSOR RESISTANCE OF REFRIGERATOR & DEFROST SENSOR TEMPERATURE VOLTAGE -20 °C (-4 °F) 77 K Ù 3.73 -15 °C (5 °F) 60 K Ù 3.49 -10 °C (14 °F) 47.3 K Ù 3.22 -5 °C (23 °F) 38.4 K Ù...
  • Page 32: Exploded View And Replacement Part List

    #EV# 9. 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 418A 410G 411A 282B 120A 406B 501A 113F 120E 145A 304A 410A 903D 409D 120B...
  • Page 33 #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 - 36 -...
  • Page 34 #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 - 37 -...
  • Page 35 #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 - 38 -...
  • Page 36 #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 - 39 -...
  • Page 37 September, 2009...

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