Kenmore 795.75312.900 Service Manual
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Kenmore 795.75312.900 Service Manual

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TOP FREEZER REFRIGERATOR
REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Sears, Roebuck and Co., Hoffman Estates, IL60179 U.S.A.
R
MODELS:
795.75312.900
795.75313.900
795.75319.900
www.sears.com

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Summary of Contents for Kenmore 795.75312.900

  • Page 1 TOP FREEZER REFRIGERATOR REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MODELS: 795.75312.900 795.75313.900 795.75319.900 Sears, Roebuck and Co., Hoffman Estates, IL60179 U.S.A. www.sears.com...

  • 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: Performance Data

    1-7 REPLACEMENT PARTS PERFORMANCE DATA (NORMAL OPERATING CONDITIONS) SYSTEM PRESSURE (PSIG) Relay (PTC) ........6748C-0004D 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. Crispers CustomCube Ice maker * Keeps fruits and vegetables fresh and crisp...

  • Page 6: Disassembly

    3. DISASSEMBLY Remove Refrigerator Door 3-1 DOOR Locate the quick connector next to the Bottom Hinge Remove Freezer Door and disassemble with the next steps: Before removing the doors, remove the Base Grille. 1 . R e m o v e l o c k i n g c l i p a n d s e t a s i d e .
  • Page 7 Loosen and remove the 2 bolts and the phillips head Reinstall the Middle Hinge with the two bolts and a screw to remove the Middle Hinge Bracket from phillips screw. refrigerator cabinet (Fig.7 and 8). Set parts aside. Place washer between refrigerator door and middle hinge Lift up the door watching carefully that the wire harness and water tube don’t get damaged by...
  • Page 8 Replace Freezer Door Reversing Doors Set the freezer door onto the Middle Hinge Pin. Tools needed •10mm or 13/32-inch socket wrench (with 2-inch extension for bottom door hinge) • No.2 Phillips head screwdriver • 1/4 inch socket wrench • Flat-head screwdriver for prying •...
  • Page 9 Reverse Refrigerator Door Move the Hinge Pin Insert Bracket to the other side of the door, keeping the same orientation, and move Before reversing the door, remove the Base Grille. the Hinge Pin Insert into the hole on the left side of the bracket.
  • Page 10 Using an adjustable wrench remove Bottom Nut. Using a 10mm or 13/32 inch socket wrench remove Middle As described in Remove Refrigerator Door. hinge Bracket and set aside. Insert flat blade screwdriver into corner notches on bottom of dispenser cover. Pry base off cover loose. CAREFULLY pull cover forward to detach clips on sides and top of cover, and disconnect the wire connector on the back of the dispenser cover.
  • Page 11 Remove screw from water tube clip. Loosen the 2 screws and remove the door Closer/Stop. Fig. 41 Door Closer/Stop Reattach to the left side as shown below. Take Door Closer/Stop and flip it over. Line up screw holes and screw it into left side of door bottom. Turn door upright.
  • Page 12 With a flat head screwdriver, carefully pry off and Insert the water tube and wire harness trough the bottom remove the cover over the screw holes on the left side hinge pin and insert the pin into the bottom of the door. of refrigerator housing.

  • Page 13: Door

    Replace cover from left side of refrigerator top onto the 3-3 DEFROST CONTROL ASSEMBLY right of top to cover holes. Cover is also force-fitted. Defrost Control assembly consists of Defrost Sensor and FUSE–M. Defrost sensor functions to defrost automatically. It is attached to metal side of the Evaporator and senses Temperature.

  • Page 14: 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 15: 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 16: Circuit Diagram

    5. CIRCUIT DIAGRAM PWB(PCB) ASSEMBLY, DISPLAY CON101 R/F-DOOR RT-SENSOR DISPENSER WHBK 4 3 2 1 CON8 CON5 CON6 CON4 DISPENSER CON7 C-FAN DEF-SENSOR PWB(PCB) ASSEMBLY, MAIN F-FAN R-SENSOR DISPENSER CON1 CON2 CON3 POWER SUPPLY CORD DISPENSER VALVE GN/YL (GN) CAPACITOR PART GN/YL (GN) (GN)

  • Page 17: 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 18: 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 19: 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 20: 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. Open in wiring harness from PWB board 2. Chack wiring and connectors to PWB board 3.

  • Page 21: 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 22: 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 23: 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 24: 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 25 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 26 8-1-5 OFF Mode 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. 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 27 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 the Dispenser water valve can not be active. 4.
  • Page 28 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 29: Pcb Function

    8-2 PCB FUNCTION Con 2 Con 3 Con 1 Con 8 Con 2 Con 5 Con 6 Con 7 - 29 -...

  • Page 30: Power Circuit

    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 POWER SUPPLY CORD DISPENSER VALVE GN/YL (GN) CAPACITOR PART GN/YL (GN) (GN) COMP' EARTH P .T.C PART COMP' ACCESSORIES...
  • Page 31 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 32: 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 10 - 14 VCD 2 VCD or less Freezer Fan Con 4 pin 5 Con 4 pin 6 Cooling Fan...

  • Page 33: Exploded View And Replacement Part List

    #EV# EXPLODED VIEW (External Models) 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 145A 120E 304A 410A 409D 903D 120B 282H...
  • Page 34 #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 -34-...
  • Page 35 #EV# REFRIGERATOR PARTS CAUTION: Use the part number to order part, not the position number 141A 141B 143F 142D 140B 141C 142E 141D 128A 170A 128B 149C 149E 141E 143E 140D 140B 140E 103E 167B 154A 103E 151A 155B 151A 151C -35-...

  • Page 36: 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 280A 276C 241C 279A 113E 621D 276B 241C...
  • Page 37 #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 -37-...
  • Page 38 795.75312.900 #EV# Loc No. Part No. Description Loc No. Part No. Description 103A 3650JJ2003E Handle,Rear 305B 4580JJ3001A Roller 103B 3650JJ2003A Handle,Rear 305C 4J04238A Pin,Common 103C ACQ74567801 Cover Assembly,Lower 307A TCA33414101 Compressor,Set Assembly 103D MCK62049501 Cover,Lower 308A 6748C-0004D Thermistor Assembly,PTC 103E 5218JJ3001A...
  • Page 39 795.75313.900 #EV# Loc No. Part No. Description Loc No. Part No. Description 103A 3650JJ2003H Handle,Rear 305B 4580JJ3001A Roller 103B 3650JJ2003D Handle,Rear 305C 4J04238A Pin,Common 103C ACQ74567803 Cover Assembly,Lower 307A TCA33414101 Compressor,Set Assembly 103D MCK62049503 Cover,Lower 308A 6748C-0004D Thermistor Assembly,PTC 103E 5218JJ3001A Rail,Slide 309A 6750C-0005P Overload Protect...
  • Page 40 795.75319.900 #EV# Loc No. Part No. Description Loc No. Part No. Description 103A 3650JJ2003M Handle,Rear 305B 4580JJ3001A Roller 103B 3650JJ2003L Handle,Rear 305C 4J04238A Pin,Common 103C ACQ74567802 Cover Assembly,Lower 307A TCA33414101 Compressor,Set Assembly 103D MCK62049502 Cover,Lower 308A 6748C-0004D Thermistor Assembly,PTC 103E 5218JJ3001A Rail,Slide 309A 6750C-0005P Overload Protect...
  • Page 41 July, 2009...

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