Kenmore 795.71312.311 Service Manual
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Kenmore 795.71312.311 Service Manual

Bottom freezer refrigerator
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BOTTOM FREEZER REFRIGERATOR
REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE PRODUCT
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MFL62078244
MODELS:
795.71312.311
795.71313.311
795.71314.311
795.71319.311

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Summary of Contents for Kenmore 795.71312.311

  • Page 1 BOTTOM FREEZER REFRIGERATOR REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE PRODUCT READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MODELS: 795.71312.311 795.71313.311 795.71314.311 795.71319.311 MFL62078244...

  • Page 2: Table Of Contents

    https://appliancetechmanuals.com CONTENTS SAFETY PRECAUTIONS ………………………………………………………………… …………… ….. 1. Specifications …………………………………………………………………………………………..2. Parts Identification ……………………………………………………………………......3. Disassembly …………………………………………………………………………....……..6-12 Removing and Replacing the refrigerator door …………………………........Door ………………………………………………………………………………………………….. Door Alignment ………………………………………………………………………..……….. Fan and Fan Motor (Evaporator) ………………………………………………....……… Defrost Control Assembly ………………………………………………………………....Lamp …………………………………………………………………………………………….……...

  • Page 3: Specifications

    https://appliancetechmanuals.com 1. SPECIFICATIONS 1-1 DISCONNECT POWER CORD BEFORE 1-7 REPLACEMENT PARTS SERVICING IMPORTANT - RECONNECT ALL GROUNDING Defrost Thermostat ..........6615JB2005N Defrost Heater ...........5300JB1100T DEVICES Evaporator Fan Motor ........4681JB1027C Capacitor (Running) ..........EAE58905704 All parts of this appliance capable of conducting electrical Compressor (Hi-Side) ........TCA35893203 current are grounded.

  • Page 4: Parts Identification

    https://appliancetechmanuals.com Description 24cuft Depth with Handles 35 1/2 Depth w/o Handles Depth w/o Doors Depth (Total with door open) Height to Top of Door Hinge 69 7/8 Height to Top w/out Hinge 68 5/8 Width 32 3/4 Width (door open 90 deg. w/o handle) 36 1/4 Width (door open 90 deg.

  • Page 5: Removing And Replacing The Refrigerator Door

    https://appliancetechmanuals.com 2. PARTS IDENTIFICATION Durabase Divider Temperature Control Refrigerator Light Durabase Refrigerator Shelves Pullout Drawer Humidity Controlled Crisper Freezer Light Door Bins Pantry Articulating Mullion Dairy Bin Icemaker Ice Bin...

  • Page 6: Disassembly

    https://appliancetechmanuals.com 3. DISASSEMBLY 3-1 REMOVING AND REPLACING REFRIGERATOR 3-2 DOOR DOOR • Mullion Removal To remove and replace the refrigerator door: 1. Remove 2 screws. CAUTION: Before you begin, remove food and bins from the doors. 2. Lift mullion up carefully. •...

  • Page 7: Door Alignment

    https://appliancetechmanuals.com • Mullion Replacement <22cu.ft> If the space between your doors is uneven, follow the 1. Connect wire harness. instructions below to align the doors With one hand, lift up the door that you would like to raise at the middle hinge. With your other hand, use pliers to insert snap ring as shown.

  • Page 8: Lamp

    https://appliancetechmanuals.com 3-6 LAMP 3-8 MAIN PWB 1) Loosen 3 screws on the PWB cover. Unplug Refrigerator, or disconnect power at the circuit breaker. If necessary, remove top shelf or shelves. 3-6-1 Refrigerator Compartment Lamp 1) Unplug refrigerator power cord from electric outlet. 2) Put flat screwdriver into service hole and remove cover of refrigerator light.

  • Page 9: How To Remove And Reinstall The Pullout Drawer

    https://appliancetechmanuals.com 3-9 HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER Step 1) Open the freezer door. Step 2) Remove the lower basket. Step 3) Remove the two screws from the guide rails (one Step 4) Lift the freezer door up to unhook it from the rail from each side).
  • Page 10 https://appliancetechmanuals.com 3-9-2 Follow Steps to Reinstall Step 1) Reinstall the right side gear into the clip. Step 2) Insert the rail into the right side gear. Gears do not Step 3) Insert the rail into the left side gear, and insert the need to be perpendicular to each other.

  • Page 11: Pull Out Drawer

    https://appliancetechmanuals.com 3-10 PULL OUT DRAWER Top Drawer 1. To remove the Top drawer. Pull the drawer out to full extension. Lift the front of the drawer up, then pull it straight out. 2. To install, slightly tilt up the front and insert the drawer into the frame and push it back into push it back place.

  • Page 12: Adjustment

    https://appliancetechmanuals.com 4. ADJUSTMENT 4-1 COMPRESSOR 4-2-3 Compressor protection logic 4-1-1 Role Since linear Comp conducts linear reciprocating motion, we The compressor intakes low temperature and low pressure have protection logic for compressor, motor and PCB as the gas from the evaporator of the refrigerator and compresses below.

  • Page 13: Circuit Diagram

    https://appliancetechmanuals.com 5. CIRCUIT DIAGRAM...

  • Page 14: Pcb Picture

    https://appliancetechmanuals.com 6. PCB PICTURE 6-1 Main PCB P/No & MFG Picture CON8 Drawer CON7 CON201 EBR770425** (2013.05~) CON5 CON1 CON3 CON2 CON8 Swing CON7 EBR766714** 2013 CON9 CON4 CON5 CON3 CON1...
  • Page 15 https://appliancetechmanuals.com 6-2 Display PCB & Sub PCB P/No Picture CON01 EBR766839** (2013.05~)

  • Page 16: Troubleshooting With Error Display

    https://appliancetechmanuals.com 7. TROUBLESHOOTING WITH ERROR DISPLAY 7-1 Freezer Sensor Error (FS E) Checking flow Result & SVC Action Check for loose connection in CON7. 1-. Unplug connector from CON7. Result SVC Action 2-. Check resistance between wires Blue/White to Blue/White. Short Change the sensor <Drawer Model>...
  • Page 17 https://appliancetechmanuals.com 7-2 Refrigerator Sensor Error (rS E) Checking flow Result & SVC Action Check for loose connection in CON7. 1-. Unplug connector from CON7. Result SVC Action 2-. Check resistance between wires White to White. Short Change the sensor Open Replace the refrigerator <Drawer Model>...
  • Page 18 https://appliancetechmanuals.com 7-3 Icing Sensor Error (IS E) Checking flow Result & SVC Action Check for loose connection in CON8. <Drawer Model> Result SVC Action 1-. Unplug connector from CON8. Short Change the sensor 2-. Check resistance between wires Red to Orange. Open Replace the refrigerator Check the Temp and...
  • Page 19 https://appliancetechmanuals.com 7-4 Defrost Sensor Error (dS E) Checking flow Result & SVC Action Check for a loose connection. 1. Check the wires Orange to Orange. Result SVC Action Short Change the sensor Open Replace the refrigerator Check the Temp and Other Normal resistance (Table-3)
  • Page 20 https://appliancetechmanuals.com 7-5 Defrost Heater Error (dH E) Checking flow Result & SVC Action Check the Door gasket. Part Result SVC Action Go to the 3 1.- Check for loose connection in defrost Fuse-M Change Fuse-M Other control part connector. 2-. Check resistance of defrost control part. Go to the 3 34 ~ 42 ? Def’...
  • Page 21 https://appliancetechmanuals.com 7-5 Defrost Heater Error (dH E) Checking flow Result & SVC Action Check voltage between wires Blue to Red. <Drawer Model> Result SVC Action Explain to customer 112 ~ 116 V Replace Main PCB <Swing Model>...
  • Page 22 https://appliancetechmanuals.com 7-6 Freezer Fan Error (FF E) Checking flow Result & SVC Action Reset the unit and Input Test 1 Mode. (Push the button 1 time) Open the freezer door and Check the Status SVC Action air flow. No windy Go to 3 ? While an error code is displayed, the fan is not working.
  • Page 23 https://appliancetechmanuals.com 7-7 Condenser Fan Error (CF E) Checking flow Result & SVC Action Reset the unit and Input Test 1 Mode. (Push the button 1 time) Check the fan rotating. Status SVC Action ? While an error code is displayed, No windy Check motor the fan is not working.
  • Page 24 https://appliancetechmanuals.com 7-8 Communication Error (CO E) Checking flow Result & SVC Action Check for loose connection in CON101 from PCB Display. Check voltage between wires Red to Blue. Result SVC Action 12 V Go to the 3 Check the Hinge CON101 <CON101>...
  • Page 25 https://appliancetechmanuals.com 7-8 Communication Error (CO E) Checking flow Result & SVC Action Check voltage between wires Blue to Purple. Result SVC Action <Drawer Model> 0 V or 5 V Change the Main PCB Other Explain to customer <Swing Model>...
  • Page 26 https://appliancetechmanuals.com 8. TROUBLESHOOTING WITHOUT ERROR DISPLAY 8-1 Freezer room LED Lamp doesn’t work Checking flow Result & SVC Action Check the Freezer door switch. If feel sticky, Change the door s/w. Check the door S/W resistance. Status Result SVC Action Go to the 3 Normal Change door S/W...
  • Page 27 https://appliancetechmanuals.com 8-2 Refrigerator room LED Lamp doesn’t work Checking flow Result & SVC Action Check the Refrigerator door switch. If feel sticky, Change the door s/w. Check the door Switch resistance. Status Result SVC Action Go to the 3 Normal Other Change door Switch Infinity...
  • Page 28 https://appliancetechmanuals.com 8-2 Refrigerator room lamp doesn’t work Checking flow Result & SVC Action 1.- Check for loose connection in Status Result SVC Action Refrigerator LED Lamp connector. 2-. Check voltage between wires White to 0 ~ 2 V Explain to customer Closed Gray.
  • Page 29 https://appliancetechmanuals.com 8-3 Poor cooling in Fresh food section Checking flow Result & SVC Action 1-. Unplug connector from CON7. 2-. Check resistance between wires White Temperature Result to White. 23°F °C <Drawer Model> 32°F °C 41°F °C 50°F °C 19.5 59°F °C <Swing Model>...
  • Page 30 https://appliancetechmanuals.com 8-4 Poor cooling in Freezer compartment Checking flow Result & SVC Action 1-. Unplug connector from CON7. 2-. Check resistance between wires Temperature Result Blue/White to Blue/White. -22°F °C <Drawer Model> -13°F °C -4°F °C 5°F °C 14°F °C 23°F °C <Swing Model>...
  • Page 31 https://appliancetechmanuals.com Checking flow Result & SVC Action Check the Fan motor. Rotate fan using your hand. Point Result SVC Action It feel sticky, change the motor. Motor Sticky Change the motor (cause of ice or rust inside of motor). 1.- Check for loose connection in CON7. 2-.
  • Page 32 https://appliancetechmanuals.com 9. REFERENCE 9-1 TEST MODE and Removing TPA 1. How to make TEST MODE If you push the test button on the Main PCB, the refrigerator will be enter the TEST MODE. <Drawer Model> * 1 time : Comp / Damper / All FAN on (All things displayed) * 2 times : Damper closed (22 22 displayed)
  • Page 33 https://appliancetechmanuals.com 9-2 TEMPERATURE CHART - FRZ AND ICING SENSOR TEMP RESISTANCE VOLTAGE 73.29 ㏀ -39°F (-40°C) 4.09 V -30°F (-35°C) 53.63 ㏀ 3.84 V -21°F (-30°C) 39.66 ㏀ 3.55 V 29.62 ㏀ -13°F (-25°C) 3.23 V 22.33 ㏀ -4°F (-20°C) 2.89 V 16.99 ㏀...
  • Page 34 https://appliancetechmanuals.com 9-3 TEMPERATURE CHART - REF AND DEF SENSOR TEMP RESISTANCE VOLTAGE 225.1 ㏀ -39°F (-40°C) 4.48 V 169.8 ㏀ -30°F (-35°C) 4.33 V 129.3 ㏀ -21°F (-30°C) 4.16 V 99.30 ㏀ -13°F (-25°C) 3.95 V 76.96 ㏀ -4°F (-20°C) 3.734 V 60.13 ㏀...
  • Page 35 https://appliancetechmanuals.com 9-4 HOW TO CHECK THE FAN-ERROR After sending a signal to the fan, the MICOM checks the BLDC fan motor s lock status. If there is no feedback signal from the BLDC fan, the fan motor stops for 10 seconds and then is powered again for 15 seconds. To determine that there is a fan motor malfunction, this process is repeated 3 times.
  • Page 36 https://appliancetechmanuals.com 10. COMPONENT TESTING INFORMATION 10-1 Defrost Controller Assembly Function - Controller assembly is consist of 2 kinds of part those are fuse-m and sensor. we can decide part is defect or not when we check the resistance. - Fuse-m can cut off the source when defrost heater operate the unusual high temperature. - Sensor give temperature information to Micom How to Set a ohmmeter to the 2 housing pin.
  • Page 37 https://appliancetechmanuals.com 10-2 Sheath Heater Function Sheath heater is a part for defrost. All heating wire is connected to only one line. So we can decide part is defect or not when we check the resistance. How to Measure (1) (2) Set a ohmmeter connect to The 2 housing pin.
  • Page 38 https://appliancetechmanuals.com 10-3 Damper The damper supplies the cold air from the freezer to the refrigerator Function section. How to Measure < Damper Circuit > Blue Blue White White Check the 3 Yellow < extension > Check the Check the Check the resistance between connectors 1,3 and 2,4 .It means check whether or not applying an electric current.
  • Page 39 https://appliancetechmanuals.com 10-4 Door Switch Function The switch sense if the door open or close. - When the door open, light on. - When the door open, the switch give information to Micom. When the door open, internal contact operate on and off moving plunger of door switch up and down.
  • Page 40 https://appliancetechmanuals.com 11. COMPRESSOR TROUBLESHOOTING PCB Check (Simplify) Protection Logic TEST 1 Mode A-inverter Con201 Time>30sec Power Off Power On PCB OK Disconnect & V≒ 200 Replace Driver PCB Test Button Check Voltage about 200V past 30second after turn on Test Mode Comp Ref.
  • Page 41 https://appliancetechmanuals.com 11-1 Check A - There is PC Board located in the PCB case. The control driver is PC board for the compressor. - This step shows the source voltage of the driver PC board. Step1. Open PCB Cover Step2. Check Driver PCB LED Lamp * Driver PCB located in back plate cover behind the refrigerator.
  • Page 42 https://appliancetechmanuals.com 11-2 Check B B1. LED blinks once, then repeats (FCT0 Fault) Protection Logic Blink OFF Blink OFF - Purpose: Detecting motor current and voltage error - Check voltage at point A (Motor Voltage), point B (Motor Current) andPoint C (Capacitor Voltage) when compressor is off.
  • Page 43 https://appliancetechmanuals.com B3. LED blinks five times, then repeats (Locked Piston: A & E Inverters) Protection Logic Blink Blink Blink Blink Blink OFF - Purpose: To detect locked piston - Cause: Lack of oil to the cylinder, cylinder or piston damaged and or restricted discharge. A Locked Piston can also be caused by foreign materials inside the compressor.
  • Page 44 https://appliancetechmanuals.com B5. LED blinks seven times, then repeats Protection Logic Blink Blink Blink Blink Blink Blink Blink OFF - Purpose: Prevent high current due to IPM Short - Cause: Damaged IPM (Dead Short) - Test for a dead short at Point A with a VOM. - Logic: Compressor is forced off and tries to restart in 20 seconds.
  • Page 45 https://appliancetechmanuals.com 11-3 Check C C1. Harness Connection Check Check Process C2. Capacitor Specifications C3. Compressor Check - Step 1. Power off. Step 2. Check capacitor spec. (table1). Step3. Check resistance of point A Step 4. Check wire harness (INF ohm). Step 5. Check resistance at point B. Step 6. Point D. Check Check Harness...
  • Page 46 https://appliancetechmanuals.com 11-4 Check D D1. Activate Protection logic Cycle check with protection logic - We have to check Condenser fan and Freezer fan before performing Check D - Locked Piston, Current trip and stroke trip can be activated by other problems then the driver or compressor. →...
  • Page 47 https://appliancetechmanuals.com Compressor Troubleshooting WARNING HIGH VOLTAGE Step 1) Open PCB cover Step 2) Check for blinking frequency of LED and PCB LED Lamp When compressor is normal, it does not blink : Refer to the next page to find out what actions to take according to how many times LED blink...
  • Page 48 https://appliancetechmanuals.com LED operating condition Cause Service guideline 1. Please check, Whether connector of PCB Parts compressor is attached defect or rightly or not. after LED two - time repetiton (Stroke Trip) Compress power off 2. After the first action, Connector You check on normal miss operation of...
  • Page 49 https://appliancetechmanuals.com 11-5 SERVICE DIAGNOSIS CHART COMPLAINT POINTS TO BE CHECKED REMEDY • Is the power cord unplugged from the outlet? • Plug into the outlet. No Cooling. • Check if the power switch is set to OFF. • Set the switch to ON. •...
  • Page 50 https://appliancetechmanuals.com 11-6 REFRIGERATION CYCLE ▼ Troubleshooting Chart TEMPERATURE STATE OF STATE OF THE OF THE CAUSE REMARKS THE UNIT EVAPORATOR COMPRESSOR PARTIAL Freezer Low flowing sound of A little higher than • Refrigerant level is low due LEAKAGE compartment and Refrigerant is heard ambient to a leak.
  • Page 51 https://appliancetechmanuals.com 11-6-2 SEALED SYSTEM DIAGNOSIS “Not Cooling” Complaint All components operating, No airflow problems, Not frosted up as a defrost problem problem has been isolated to sealed system area Frost Partial None Pattern? Equalization Equalization Test Test Very Fast Very Slow Very Slow Very Fast Fast...
  • Page 52 https://appliancetechmanuals.com 12. ICE MAKER AND DISPENSER ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 12-1 Operation Principle Power Input Initial Control • Adjust Ejector to Start Position with power on. Icemaking • Waits until water in the TRAY is frozen after Ice Maker starts Control operation.
  • Page 53 https://appliancetechmanuals.com 12-2 Icemaker functions 12-2-1 Start Position 1) When power is initially applied or reapplied after power is cut, it detects feeler arm of the TRAY after completion of MICOM initialization. The detecting feeler arm moves up and down. 2) The feeler arm of icemaker tray is judged by output signal, high and low signal, of HALL SENSOR. Make the tray to horizontal by rotating ice ejection motor in normal or reverse direction so that High/Low signal can be applied to MICOM Pin (P22).
  • Page 54 https://appliancetechmanuals.com MAXIMUM TILTING POINT Bank is not full HALL Sensor Output Signals Bank is full HALL Sensor Output Signals Ice checking AXIS LEVEL 30° Ice checking AXIS -32° -41° -53° -58° -80° -160° -170° -8°-0° -10° Lock Lock Ice ejection Icemaking original point 2±1 sec...
  • Page 55 https://appliancetechmanuals.com 12-2-4 Test Icemaker Mode Test function starts when test switch is pressed for more than 3 seconds. User shouldn’t force operation while doing test mode, service or cleaning. Test switch will work only when ice tray its in horizontal position, not during ice ejection or water supplying. When pressing the Test Switch, feeler arm will sense and then ice tray will start ice ejection, after twisting, ice tray returns to initial position.
  • Page 56 https://appliancetechmanuals.com 13. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM 13-1 FUNCTION 13-1-1 Function 1. When the appliance is plugged in, it defaults to 37°F for the refrigerator and 0°F for the freezer. You can adjust the refrigerator and the freezer control temperature by pressing the ADJUST button. 2.
  • Page 57 https://appliancetechmanuals.com 13-1-6 Alarm for Open Door 1. This feature sounds a buzzer when the freezer or refrigerator door is not closed within 1 minute after it is opened. 2. One minute after the door is opened, the buzzer sounds three times each for 1/2 second. These tones repeat every 30 seconds.
  • Page 58 https://appliancetechmanuals.com 13-1-10 Defect Diagnosis Function 1. Automatic diagnosis makes servicing the refrigerator easy. 2. When a defect occurs, the buttons will not operate. 3. When the defect CODE removes the sign, it returns to normal operation (RESET). 4. The defect CODE shows on the refrigerator and freezer display. Error Code ①...
  • Page 59 https://appliancetechmanuals.com 13-1-9 Electrical Parts Are Turned On Sequentially Electrical parts such as compressor, defrosting heater, freezer fan, etc. are turned on in the following order to prevent noise and parts damage. Several parts are started at the same time at initial power on and are turned off together when test is completed.
  • Page 60 https://appliancetechmanuals.com 13-1-11 TEST Mode 1. The test mode allows checking the PCB and the function of the product as well as finding out the defective part in case of an error. 2. The test mode is operated by pressing test button at main PCB conttroller. 3.
  • Page 61 https://appliancetechmanuals.com #EV# 14. EXPLODED VIEW 7131** CASE PARTS Caution: Use the part number to order part, not the position number. 503F 903D 281A 409A 402A 280A 271B 103B 103A 282E 120A 104E 501F 282G 282F 410G 145A 271A 501A 282D 411A 304A 282B...
  • Page 62 https://appliancetechmanuals.com #EV# 7131** FREEZER PARTS Caution: Use the part number to order part, not the position number. 133B 145C 136B 131A 133B 145F 133A 160C 133A 132P 132Q 237C 132P 136D...
  • Page 63 https://appliancetechmanuals.com #EV# 7131** REFRIGRATOR PARTS Caution: Use the part number to order part, not the position number. 141A 141C 141A 141C 167B 145J 151C 145G 154A 145H 151A 154B 151B 133C 155B 160B 128A 170A 128B...
  • Page 64 https://appliancetechmanuals.com #EV# 7131** DOOR PARTS Caution: Use the part number to order part, not the position number. 230A 230B 241F 233A 231A 231B 233B 212G 241C 233J 212J 212J 241C 212K 241C 212K 241C 241C 244A 244A 241D 212J 241E 212J 212K 212K...
  • Page 65 https://appliancetechmanuals.com #EV# 7131** ICE MAKER PARTS Caution: Use the part number to order part, not the position number. 600A 627A 619A...
  • Page 66 https://appliancetechmanuals.com...

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795.71313.311795.71314.311795.71319.311

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