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Kenmore 795.70332.410 Service Manual

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REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Model #s:
795.70332.410
795.70333.410
795.70339.410

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Summary of Contents for Kenmore 795.70332.410

  • Page 1 REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. Model #s: 795.70332.410 795.70333.410 795.70339.410...

  • Page 2: Table Of Contents

    https://appliancetechmanuals.com CONTENTS 1. SPECIFICATIONS ................................3 2. PARTS IDENTIFICATION ..............................4 3. DISASSEMBLY ................................5-17 REMOVING AND REPLACING REFRIGERATOR DOORS ....................5 DOOR ....................................6 DOOR ALIGNMENT ................................7 FAN AND FAN MOTOR(EVAPORATOR) .......................... 7 DEFROST CONTROL ASSEMBLY ............................ 8 LAMP ....................................

  • Page 3: Specifications

    1-7 REPLACEMENT PARTS SERVICING IMPORTANT - RECONNECT ALL 24 cuft GROUNDING DEVICES 795.70332.410 795.70333.410 All parts of this appliance capable of conducting electrical 795.70339.410 current are grounded. If grounding wires, screws, straps, clips, nuts or washers used to complete a path to ground Defrost Heater ..........5300JK1005Z...
  • Page 4 https://appliancetechmanuals.com Durabase...

  • Page 5: Disassembly

    https://appliancetechmanuals.com 3. DISASSEMBLY 3-1 Removing Refrigerator Door CAUTION : Before you begin, unplug the refrigerator. Remove food and bins from doors. Left Door -FIG. 2 1. Disconnect water supply tube by pushing back on the disconnect ring (4).-FIG. 1 2. Open door. Loosen top hinge cover screw (1). Use flat tip screwdriver to pry back hooks on front underside of cover (2).

  • Page 6: Door

    https://appliancetechmanuals.com 3-2 DOOR Door Gasket Replacement 1. Insert gasket into channel Pillar Removal Press gasket into channels on the four remaining 1. Remove 2 screws. sides of door. 2. Lift pillar up carefully. Pillar Replacement 1. Connect wire harness. 3. Disconnect wire harness. 2.

  • Page 7: Door Alignment

    https://appliancetechmanuals.com 3-3Door Alignment If the level of refrigerator doors is uneven, follow the instructions below to align the doors: FAN MOTOR Turn the leveling legs (CCW) to raise or (CW) to lower the height of the front of the refrigerator by using flat blade screw driver or 11/32"...

  • Page 8: Defrost Control Assembly

    https://appliancetechmanuals.com 3-5 DEFROST CONTROL ASSEMBLY Defrost Control assembly consists of Defrost Sensor and FUSE-M. The Defrost Sensor works to defrost automatically. It is attached to the metal side of the Evaporator and senses its temperature. At 46°F (8°C), it turns the Defrost Heater off. Fuse-M is a safety device for preventing over-heating of the Heater when defrosting.

  • Page 9: Lamp

    https://appliancetechmanuals.com 3-6 LAMP 3-7 MULTI DUCT Unplug Refrigerator, or disconnect power at the circuit 1. Remove the upper and breaker. lower Caps by using a If necessary, remove top shelf or shelves. flat screwdriver, and remove 2 screws. (Figure 6) 3-6-1 Refrigerator Compartment Lamp 2.

  • Page 10: Dispenser

    https://appliancetechmanuals.com 3-9 DISPENSER 2) Follow the steps in the pictures. 1) Disconnect funnel by pulling down and forward. 3) Use a flat blade screwdriver at bottom side hole of the 3-11 FUNNEL REPLACEMENT “Cover Assembly dispenser” to detach hooks of the bottom 1) Pull up and out on the dispenser cover to remove.

  • Page 11: Cap Duct Replacement

    https://appliancetechmanuals.com 3-13 CAP DUCT REPLACEMENT 5) Contract the Housing. 1) Pull up and out on the dispenser cover to remove. 2) Disconnect the wire harness. 3) Remove the funnel. 4) Replace in reverse order. 3-15 ICE CORNER DOOR REPLACEMENT 1) Loosen the front screw as shown in the picture. 2) Lift up the hinge with one hand.

  • Page 12: Icemaker Replacement

    https://appliancetechmanuals.com 3-16 Icemaker replacement CAUTION : Make sure that the wire harness shown below is positioned properly in the clips on the back of 1) Remove the stainless screws marked in the picture the cover, and taped in place. If this harness is loose it below.

  • Page 13: How To Remove The Ice Bin

    https://appliancetechmanuals.com 3-17 HOW TO REMOVE THE ICE BIN 3-18 HOW TO INSERT THE ICE BIN 1) Grip the handles, as shown in the picture. 1) Insert the Ice Bin, slightly tilting it to avoid touching the Icemaker. (Especially, Ice-Detecting Sensor) 2) Lift the lower part slightly.

  • Page 14: How To Remove And Reinstall The Pullout Drawer

    https://appliancetechmanuals.com 3-19 HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER 3-19-1 Follow Steps to Remove 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) Removal of the freezer door is done by lifting from each side).
  • Page 15 https://appliancetechmanuals.com 3-19-2 Follow Steps to Reinstall Step 1) Insert both side of supporter cover tv into connector Step 2) Assemble a bar and rails, and then screw them. Push the otherside of the gear to inside of the bar. Step 3) Put gear ice assembled with the bar by screw into Step 4) Insert opposite gear ice into connector rail and connector rail’s hole.

  • Page 16: Water Valve Disassembly Method

    https://appliancetechmanuals.com 3-20 WATER VALVE DISASSEMBLY METHOD 3-21 FAN AND FAN MOTOR DISASSEMBLY METHOD 1) Turn off the water. Then separate the water line from the 1) Using a short screwdriver, loosen one SCREW in DRAIN valve. PIPE ASSEMBLY and one connected to the MOTOR COVER.

  • Page 17: Freezer Drawer

    https://appliancetechmanuals.com 3-22 FREEZER DRAWER To remove the freezer drawer, pull the drawer open to full extension. Remove the lower DuraBase basket by lifting the basket from the rail system. - 17 -...

  • Page 18: How To Remove And Reinstall The Homebar

    https://appliancetechmanuals.com HOW TO REMOVE AND REINSTALL THE HOMEBAR 3-23 3-23-1 CASE ASSEMBLY, HOME BAR 3-23-2 DOOR BASKET OF HOME BAR DOOR The Door Baskets are removable for easy cleaning and The Home Bar is removable for easy cleaning and adjustment. adjustment.
  • Page 19 https://appliancetechmanuals.com 3-23-4 HOW TO REMOVE AND REINSTALL THE HOMEBAR DOOR 1. Remove three Screws on the Top 2. Pull Frame Door. up and of Frame Door. out. 3-24 HOW TO REMOVE AND REINSTALL THE DOOR FOAM ASSEMBLY, REFRIGERATOR 1. Remove the Screw of Right Hinge Cover. 2.

  • Page 20: How To Remove Frame Door Switch Of Door Foam

    https://appliancetechmanuals.com 3-25 HOW TO REMOVE FRAME DOOR SWITCH OF DOOR FOAM 1.Remove Cap,Cover on Cap assembly, Décor 2.Remove a wire connecting for change - 20 -...

  • Page 21: How To Remove The Home Bar Door

    https://appliancetechmanuals.com 3-26HOW TO REMOVE THE HOME BAR DOOR. 2. Remove the cap hinge(upper) 1. Remove the screw located on the top of hinge. Cap Hinge(Upper) 4. Pull out the bar thought the top hinge. 3. Remove the bar by pushing it up from the bottom through the SVC hole (bottom hinge).

  • Page 22: Adjustment

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

  • Page 23: Circuit Diagram

    https://appliancetechmanuals.com 5. CIRCUIT DIAGRAM - 23 -...

  • Page 24: Troubleshooting

    https://appliancetechmanuals.com 6. TROUBLESHOOTING 6-1. Error Code Summary WARNING: When you check the Resistance values, be sure to turn off the power. And wait for the voltage-discharge sufficiently. NOTE) 3 hours before the error : Press the Ultra ICE button and Freezer button All errors, except for “Er rt”, “...

  • Page 25: Pcb Picture

    https://appliancetechmanuals.com 7. PCB Picture 7-1. Main PCB ( P/N : EBR747964**) CON2 CON3 CON1 CON5 CON6 CON201 CON7 CON4 7-2. Display PCB ( P/N : EBR65768604/EBR65768614)
  • Page 26 https://appliancetechmanuals.com 7. PCB Picture 7-3. Sub PCB ( P/N : EBR60070712/34) CON1 CON2...
  • Page 27 https://appliancetechmanuals.com 8. Trouble Shooting 8-1. Freezer Sensor Error (Er FS) Symptom Check Point 1. Er FS 1. Check for a loose connection 2. Check Sensor Resistance CON2 CON3 CON1 CON5 CON6 CON201 CON7 CON4 Resistance [Ω] Short CON7 Open pin ~ 16 Other Normal CON7...
  • Page 28 https://appliancetechmanuals.com Freezer Sensor Error (Er FS) Reconnect or Is the Connector disconnected Check the Sensor resistance. repair the or loose between Main PCB and Is resistance normal? connector sensor? Check the Temperature and resistance refer to the table. No problem? CON7 CON7 Resistance [Ω]...
  • Page 29 https://appliancetechmanuals.com 8-2. Refrigerator Sensor Error (Er rS) Symptom Check Point 1. Er rS 1. Check for a loose connection 2. Check Sensor Resistance CON2 CON3 CON1 CON5 CON6 CON201 CON7 CON4 Resistance [Ω] Short CON7 Open pin ~ 14 Other Normal CON7 Resistance [Ω]...
  • Page 30 https://appliancetechmanuals.com Refrigerator Sensor Error (Er rS) Reconnect or Is the Connector disconnected Check the Sensor resistance. repair the or loose between Main PCB and Is resistance normal? connector sensor? Check the Temperature and resistance refer to the table. No problem? CON7 CON7 Resistance [Ω]...
  • Page 31 https://appliancetechmanuals.com 8-3. Icing Sensor Error (Er IS) Symptom Check Point 1. Er IS 1. Check for a loose connection 2. Check Sensor Resistance CON2 CON3 CON1 CON5 CON6 CON201 CON7 CON4 R-R Door ICE Room Resistance [Ω] CON5 Short pin ~ 17 Open Other Normal...
  • Page 32 https://appliancetechmanuals.com Icing Sensor Error (Er IS) Reconnect or Is the Connector disconnected Check the Sensor resistance. repair the or loose between Main PCB and Is resistance normal? connector sensor? Check the Temperature and resistance refer to the table. No problem? CON5 Resistance [Ω] pin ~ 2...
  • Page 33 https://appliancetechmanuals.com 8-4. Defrost Sensor Error (Er dS) Symptom Check Point 1. Er dS 1. Check for a loose connection 2. Check Sensor Resistance CON2 CON3 CON1 CON5 CON6 CON201 CON7 CON4 Resistance [Ω] Short CON7 Open pin ~ 18 Other Normal CON7 Resistance [Ω]...
  • Page 34 https://appliancetechmanuals.com Defrost Sensor Error (Er dS) Reconnect or Is the Connector disconnected Check the Sensor resistance. repair the or loose between Main PCB, Is resistance normal? connector Defrost controller and Sensor? Check the Temperature and resistance refer to the table. No problem? Fuse –M Deforest SNR...
  • Page 35 https://appliancetechmanuals.com 8-5. Ice Maker Motor Error (Er It) Symptom Check Point 1. Er It 1. Check for a loose connection 2. Check Sensor Resistance CON2 CON3 CON1 CON5 CON6 CON201 CON7 CON4...

  • Page 36: Main Pcb

    https://appliancetechmanuals.com Ice Maker Motor Error (Er It) Change the Explain to Main PCB Input Ice Maker test mode(Push customer Check the ice maker forward status The ice maker test button),check The voltage (1)~(2) point 0V? The Ice Tray,Ice maker motor Rotate? Change the Check the ice maker reverse status...
  • Page 37 https://appliancetechmanuals.com 8-6. Defrost Heater Error (Er dH) Symptom Check Point 1. Er dH 1. Check the door gasket 2. Check the Defrost control part 3. Check the PCB output voltage CON2 CON3 CON1 CON5 CON6 CON201 CON7 CON4 Part Resistance [Ω] FUSE-M Defrost Heater 34~42...
  • Page 38 https://appliancetechmanuals.com Defrost Heater Error (Er dH) Input Test 3 Mode (Push the button 3 times) Replace the Replace Check the Door gasket . Check the Heater Voltage. Door gasket Main PCB Is door gasket damaged? Is voltage 220~240V? Change TEST MODE 3 Voltage [V] Fuse-M Check the Defrost control part.
  • Page 39 https://appliancetechmanuals.com 8-7. Freezer Fan Error (Er FF) Symptom Check Point 1. Er FF 1. Check the air flow 2. Check the Fan Motor 2. Check the PCB Fan motor voltage CON2 CON3 CON1 CON5 Fan Motor CON6 CON201 CON7 CON4 TEST MODE 1 Voltage [V] CON7...
  • Page 40 https://appliancetechmanuals.com Freezer Fan Error (Er FF) Reset the unit and Input Test1 Mode. Replace (Push the button 1 time) Check the Fan Motor voltage Main PCB Is Fan Motor voltage 8~12V? CON7 TEST MODE 1 Voltage [V] Go to 3 Open the freezer door and Check CON7 8~12V...
  • Page 41 https://appliancetechmanuals.com 8-8. Icing Fan Error (Er IF) Symptom Check Point 1. Er IF 1. Check the air flow 2. Check the Connector 2. Check the PCB Fan motor voltage CON2 CON3 CON1 CON5 Fan Motor CON6 CON201 CON7 CON4 TEST MODE 1 Voltage [V] CON7 8~12V...
  • Page 42 https://appliancetechmanuals.com Freezer Fan Error (Er IF) Reset the unit and Input Test1 Mode. Replace (Push the button 1 time) Check the Fan Motor voltage Main PCB Is Fan Motor voltage 8~12V? CON7 TEST MODE 1 Voltage [V] Go to 3 Open the freezer door and Check CON7 8~12V...
  • Page 43 https://appliancetechmanuals.com 8-9. Condenser Fan Error (Er CF) Symptom Check Point 1. Er CF 1. Check the air flow 2. Check the Connector 2. Check the PCB Fan motor voltage Fan Motor CON2 CON3 CON1 CON5 CON6 CON201 CON7 CON4 TEST MODE 1 Voltage [V] CON7 8~12V...
  • Page 44 https://appliancetechmanuals.com Condenser Fan Error (Er CF) Reset the unit and Input Test1 Mode. Replace (Push the button 1 time) Check the Fan Motor voltage Main PCB Is Fan Motor voltage 8~12V? CON7 TEST MODE 1 Voltage [V] Go to 3 Check the fan rotating.
  • Page 45 https://appliancetechmanuals.com 8-10. Communication Error (Er CO) Symptom Check Point 1. Er CO 1. Check the loose connection 2. Check the Hinge connection CON2 CON3 CON1 CON5 CON6 CON201 CON7 CON4 Voltage [V] CON101 pin ~ 6 CON101 Not 0V, 5V pin ~ 5 CON101 Not 0V, 5V...
  • Page 46 https://appliancetechmanuals.com Communication Error (Er CO) Change the Main PCB Check the voltage. Is CON101 5 pin ~ 3 voltage 0V or 5V? Check the loose connection Voltage Housing CON101 pin ~ 3 0V, 5V Check the Check the voltage. Hinge (loose connection) Is CON101 5 pin ~ 6...
  • Page 47 https://appliancetechmanuals.com 8-11. Cube mode doesn’t work Symptom Check Point 1. Cube mode 1. Check the loose connection doesn’t work 2. Check the resistance CON2 CON3 CON1 CON5 CON6 CON201 CON7 CON4 Dispenser Sub PCB Ice Maker Geared Motor Dispenser Motor...
  • Page 48 https://appliancetechmanuals.com 8-11. Cube mode doesn’t work LEVER S/W Voltage [V] Resistance [Ω] Pushing 112~115V Geared Motor 31.1 ~ 42.1 CON2 Dispenser Motor 9.9 ~ 12.1 pin ~ 4 0~2V Pushing Pushing 9~12V CON1 3 pin ~ CON1 13 0~2V Pushing...
  • Page 49 https://appliancetechmanuals.com Cube mode doesn't work Replace Geared Motor Check the resistance value. Is Geared Motor resistance 144~ 176Ω? Check the loose connection Check the voltage. Geared Motor Change the (while pushing the lever S/W) Is voltage correct? Resistance [Ω] Geared Motor 31.1 ~ 42.1 Replace LEVER S/W...
  • Page 50 https://appliancetechmanuals.com 8-12. Crush mode doesn’t work Symptom Check Point 1. Crush mode 1. Check the loose connection doesn’t work 2. Check the resistance CON2 CON3 CON1 CON5 CON6 CON201 CON7 CON4 Dispenser Sub PCB Ice Maker Geared Motor Dispenser Motor...
  • Page 51 https://appliancetechmanuals.com 8-12. Crush mode doesn’t work LEVER S/W Voltage [V] Resistance [Ω] Pushing 112~115V Geared Motor 31.1 ~ 42.1 CON2 pin ~ 12 Dispenser Motor 9.9 ~ 12.1 0~2V Pushing Pushing 9~12V CON1 3 pin ~ CON1 13 0~2V Pushing...
  • Page 52 https://appliancetechmanuals.com Crush mode doesn't work Replace Geared Motor Check the resistance value. Is Geared Motor resistance 87 ~ 107Ω? Check the loose connection Check the voltage. Geared Motor Change the (while pushing the lever S/W) Is voltage correct? Resistance [Ω] Geared Motor 31.1 ~ 42.1 Replace...
  • Page 53 https://appliancetechmanuals.com 8-13. Water mode doesn’t work Symptom Check Point 1. Water mode 1. Check the loose connection doesn’t work 2. Check the resistance valve Dispenser Sub PCB LEVER S/W Voltage [V] Pushing 112~115V CON2 pin ~11 0~2V Pushing Pushing 112~115V CON3 pin~11 0~2V...
  • Page 54 https://appliancetechmanuals.com Water mode doesn't work Replace Check the loose connection Water Valve Check the resistance value. Is Water Valve resistance 360~420 Ω? Change the Check the voltage. (while pushing the lever S/W) Is voltage correct? Water Valve Resistance [Ω] Water valve 360~420 Dispenser Sub PCB LEVER S/W...
  • Page 55 https://appliancetechmanuals.com 8-14. Refrigerator room lamp doesn’t work Symptom Check Point 1. Refrigerator room 1. Check the Refrigerator door switch sticky lamp doesn’t work 2. Check the door S/W resistance 3. Check the LED Lamp Door S/W CON6 Resistance [Ω] Door Close Door S/W Door Open Infinity...
  • Page 56 https://appliancetechmanuals.com Refrigerator room lamp doesn’t work Change the Check the LED Lamp voltage. Change the Check the Refrigerator door switch. Door S/W Is it 0~2V? (While door closed) Door S/W Does it feel sticky? Change the Check the door S/W resistance. Door S/W 5 Check the LED Lamp voltage.
  • Page 57 https://appliancetechmanuals.com 8-15. Freezer room lamp doesn’t work Symptom Check Point 1. Freezer room lamp 1. Check the Freezer door switch sticky doesn’t work 2. Check the door S/W resistance 3. Check the LED Lamp F room LED PCB Door S/W CON6 Resistance [Ω] Normal...
  • Page 58 https://appliancetechmanuals.com Freezer room lamp doesn’t work Change the Change the Check the Freezer door switch. Door S/W LED Lamp Check the LED Lamp voltage Does it feel sticky? Is voltage 12V? (While door open) Change the Check the door S/W resistance. Door S/W Is it correct compared with table? Explain to customer...
  • Page 59 https://appliancetechmanuals.com 8-16. Poor cooling in Fresh food section Symptom Check Point 1. Poor cooling in Fresh 1. Check the sensor resistance food section 2. Check the air flow 3. Check the air Temperature 4. Check the R-Damper motor voltage Duct Fan Motor CON7 Resistance [Ω]...
  • Page 60 https://appliancetechmanuals.com Poor cooling in Fresh food section Check the Compressor Check the air temperature. and sealed Is it cold? system Check the sensor resistance. Go to 7 Check the Fan Motor voltage CON7 Replace Is Fan Motor voltage 8~12V? Resistance [Ω] Main PCB pin ~ 14 23ºF / -5ºC...
  • Page 61 https://appliancetechmanuals.com 8-17. Poor cooling in Freezer compartment Symptom Check Point 1. Poor cooling in 1. Check the sensor resistance Freezer compartment 2. Check the air flow 3. Check the air Temperature 4.Check the Fan motor sticky 4. Check the Fan motor voltage Duct Fan Motor CON7...
  • Page 62 https://appliancetechmanuals.com Poor cooling in Freezer compartment Check the Compressor Check the air temperature. and sealed Is it cold? Check the sensor resistance. system Change the CON7 Resistance [Ω] Fan motor Check the Fan motor. pin ~ 16 Rotate fan using hand. -22ºF / -30ºC It feel sticky? -13ºF / -25ºC...
  • Page 63 https://appliancetechmanuals.com Replace Check the Fan Motor voltage Main PCB Is Fan Motor voltage 8~12V? TEST MODE 1 Voltage [V] CON7 8~12V pin ~ 12 Change the Check the Fan Motor voltage motor Is Fan Feed Back voltage 1~5V? TEST MODE 1 Voltage [V] CON7 Not 0V, 5V...
  • Page 64 https://appliancetechmanuals.com 8-17. Over cooling in Freezer compartment Symptom Check Point 1. Over cooling in 1. Check the sensor resistance Freezer compartment 2. Check the air flow 3. Check the air Temperature 4.Check the Fan motor sticky 4. Check the Fan motor voltage Duct Fan Motor CON7...
  • Page 65 https://appliancetechmanuals.com Over cooling in Freezer compartment Change the Fan motor Check the Fan motor. Rotate fan using hand. Check the sensor resistance. It feel sticky? Fan Motor CON7 Resistance [Ω] pin ~ 16 -22ºF / -30ºC -13ºF / -25ºC -4ºF / -20ºC Change the Main PCB -13ºF / -25ºC 14ºF / -10ºC...

  • Page 66: Reference

    https://appliancetechmanuals.com 10. Reference 10-1 TEST MODE and Removing TPA(Terminal Position Assurance ) 1. How to make TEST MODE If you push the test button on the Main PCB, the refrigerator will be enter the TEST MODE * 1 time : Comp / Damper / All FAN on (All things displayed) * 2 times : Damper closed (22 22 displayed)
  • Page 67 https://appliancetechmanuals.com 10-2 TEMPERATRUE CHART - FRZ AND ICING SENSOR TEMP RESISTANCE VOLTAGE -39°F (-40°C) 4.09 V 73.29 -30°F (-35°C) 3.84 V 53.63 -20°F (-21°C) 3.55 V 39.66 -13°F (-25°C) 3.23 V 29.62 -4°F (-20°C) 2.89 V 22.33 5°F (-15°C) 2.56 V 16.99 14°F (-10°C) 2.23 V...
  • Page 68 https://appliancetechmanuals.com 10-3 TEMPERATRUE CHART - REFRIGERATOR AND DEFROST SENSOR VOLTAGE TEMP RESISTANCE 4.48 V -39°F (-40°C) 225.1 4.33 V -30°F (-35°C) 169.8 4.16 V -30°F (-21°C) 129.3 3.95 V -13°F (-25°C) 99.30 3.734 V -4°F (-20°C) 76.96 3.487 V 5°F (-15°C) 60.13 3.22 V 14°F (-10°C)
  • Page 69 https://appliancetechmanuals.com 10-4 How to check the Fan-Error (1) EBR73304201 After sending a signal to the fan, the MICOM checks the F, I, C 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.

  • Page 70: Component Testing Information

    https://appliancetechmanuals.com 11. COMPONENT TESTING INFORMATION 11-0 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 71 https://appliancetechmanuals.com 11-2 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 72 https://appliancetechmanuals.com 11-3 Door Heater Assembly Function The heater is designed to prevent the raising dew from door. How to Measure Standard Test Point Ressult (1) to (2) 1.9 ~ 2.2 - 52 -...
  • Page 73 https://appliancetechmanuals.com 11-4 Door Switch Function The switch sense if the door open or close. - When the door open, lamp 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 74 https://appliancetechmanuals.com 11-5 Dispenser DC Motor Function - Dispenser DC Motor : When customer push the dispenser button, Pull duct door and abstract from ice bank. How to Measure Dispensor DC Motor Standard Dispenser DC Motor Test Points Result (1) to (2) 9.9 ~ 12.1 - 54 -...
  • Page 75 https://appliancetechmanuals.com 11-6 AC Motor ASSEMBLY Function The In-door motor of AC motor assembly pushes ices to the dispenser. How to < In-door Motor > < In-door Motor > Measure Take out the male Take out the male housing from housing from female housing female housing Measure the...
  • Page 76 https://appliancetechmanuals.com 11-7 Damper Function The damper supplies the cold air at freezer room to chillroom by using the damper’s plate. Chillroom is colder than before when damper’s plate is open. When damper’s plate is close, chillroom’s temperature will rise. How to Measure <...
  • Page 77 https://appliancetechmanuals.com 11-9 Flow Sensor Function Flow Sensor (in machine room) Count the water quantity from city water to water filter in refrigerator How to Measure Flow Sensor (in machine room) Standard Test Points Result Red wire to Black wire 4 ~ 30 - 58 -...

  • Page 78: Compressor Troubleshooting

    https://appliancetechmanuals.com 12. 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 Check Voltage about 200V past 30second after turn on Test Mode Comp Ref. Display &...
  • Page 79 https://appliancetechmanuals.com 12-1 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 * Driver PCB located in machine room.
  • Page 80 https://appliancetechmanuals.com 12-2 Check B B1. LED blinks once, then repeats (FCT0 Fault: A-Inverter) Protection Logic Blink OFF Blink OFF - Purpose: Detecting motor current and voltage error - Check voltage at point A (Motor Voltage), point B (Motor Current) and Point C (Capacitor Voltage) when compressor is off.
  • Page 81 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 82 https://appliancetechmanuals.com B5. LED blinks seven times, then repeats (IPM Fault: A & E Inverters) 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 minutes.
  • Page 83 https://appliancetechmanuals.com 12-3 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 84 https://appliancetechmanuals.com 12-4 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 85 https://appliancetechmanuals.com Compressor Troubleshooting Step 1) Open PWB cover Step 2) Check for blinking frequency of LED, PWB If 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 - 66 -...
  • Page 86 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 87 https://appliancetechmanuals.com 12-5 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 88 https://appliancetechmanuals.com 12-6 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 89 https://appliancetechmanuals.com 12-6-2 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 90: Operation Principle And Repair Method Of Icemaker

    https://appliancetechmanuals.com 13. OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 13-1 Icemaker’s Basic Operating Method Power On Power On Start Position • Adjusts Ice Tray to Start Position with power on. • Adjusts Ice Tray to Start Position with power on. •...

  • Page 91: Ice Maker Functions

    https://appliancetechmanuals.com 13-2 ICE MAKER FUNCTIONS 13-2-1 Icemaking Mode 1. Icemaking Mode begins right after the ice tray fills with water. 2. Icemaker waits until water becomes ice in the ice tray. Ice-detecting sensor checks if the ice bin is full every 2min. 13-2-2 Harvest Mode At least in 110min, since icemaker begun icemaking mode, Icemaker starts to twist the ice tray to drop ices into the Ice bin.
  • Page 92 https://appliancetechmanuals.com 13-3-2 Icemaker not making ice or not making enough ice (Icemaker Unit & Ice-detecting sensor Diagnosis) Icemaker Unit and Ice-detecting sensor Diagnosis The icemaker unit and Ice-detecting sensor is programmed for diagnostics. Follow the procedure step by step to check to see if icemaker and Ice-detecting sensor is working normally. Icemaker Unit Ice-detecting sensor Fill Key...
  • Page 93 https://appliancetechmanuals.com STEP (Ice-detecting sensor Diagnosis) 2. Close the left door 1. Remove Ice bin from compartment 3. Wait for 3min. (Door switch pushed) 4. Freezer door stays open 5. Push the refrigerator button & lock button at the same time. is shown on the display after the procedure above, Ice-detecting sensor is normal.

  • Page 94: Description Of Function & Circuit Of Micom

    https://appliancetechmanuals.com 14. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM 14-1 FUNCTION 14-1-1 Function 1. When the appliance is plugged in, it is set to 37°F for Refrigerator and 0°F for freezer. You can adjust the Refrigerator and the Freezer control temperature by pressing the ADJUST button. 2.
  • Page 95 https://appliancetechmanuals.com 14-1-5 Ultra Ice selection Please select this function for quick freezing. • When you press the Ultra Ice Button, the Ultra ICE ICON will be turned on again. • Ultra Ice function automatically turns off after a fixed time passes. 14-1-6 Dispenser use selection You can select water or ice.
  • Page 96 https://appliancetechmanuals.com 14-1-11 Ultra ICE 1. The purpose of this function is to intensify the cooling speed of freezer and to increase the amount of ice. 2. Whenever selection switch is pressed, selection/release, the Icon will turn ON or OFF. 3. If there is a power outage and the refrigerator is powered on again, Ultra ICE will be canceled. 4.
  • Page 97 https://appliancetechmanuals.com 14-1-15 Defrosting (removing frost) 1. Defrosting starts each time the COMPRESSOR running time Betwee 7~50 hours. 2. For initial power on or for restoring power, defrosting starts when the compressor running time reaches 4 hours. 3. Defrosting stops if the sensor temperature reaches 46.4°F(8°C) or more. If the sensor doesn’t reach 46.4°F(8°C) in 1 hours, the defrost mode is malfunctioning.
  • Page 98 https://appliancetechmanuals.com VALVE&WATER TUBE PARTS 617A 625A 616G 616D 616G 623B 616J 623B 616J 616F 627B 616D 627A 619A 603B...
  • Page 99 https://appliancetechmanuals.com CASE PARTS CAUTION : Use the part number to order part, not the position number. 603C 603E 207B 626A 624E 402A 103B 624G 271B 624C 103A 501F 624A 207A 402A 503E 406D 120A 610D 282F 410G 409D 410J 271D 610A 500A 503D...
  • Page 100 https://appliancetechmanuals.com...
  • Page 101 https://appliancetechmanuals.com...
  • Page 102 https://appliancetechmanuals.com FREEZER PARTS CAUTION : Use the part number to order part, not the position number. 133B 145C 136C 136B 133A 145F 237C 136A...
  • Page 103 https://appliancetechmanuals.com REFRIGERATOR PARTS 141B 141A 141C 141B 141A 141E 141C 141B 141A 141C 141E 141B 141A 141E 141C 141D 161C 141E 161B 154A 151B 151A 146E 162B 161A 145D 162A...
  • Page 104 https://appliancetechmanuals.com DOOR PARTS CAUTION : Use the part number to order part, not the position number. 230A 241K 230B 231B 233B 207D 235A 241K 250W 232A 281H 312F 233A 241J 402A 241B 241G 271E 312G 241B 281B 241N 631A 212G 232B 281H 312E...
  • Page 105 https://appliancetechmanuals.com DOOR PARTS...
  • Page 106 https://appliancetechmanuals.com DOOR PARTS...
  • Page 107 https://appliancetechmanuals.com DISPENSER PARTS 278A 276G 276F 278F 278B 402C 276B 275A 500C 276A 278C 281A 278D 405A 279J 279A 501A 279C...
  • Page 108 https://appliancetechmanuals.com ICE MAKER & ICE BANK PARTS 630J 630J 612A 630F 607A 630B 630C 600A 611A 630A 630H 630D 606A 630E 630Q 630G...

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