LG LFX31925 series Service Manual
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LG LFX31925 series Service Manual

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REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MODEL : LFX31925**
COLOR : STAINLESS(ST)
SMOOTH BLACK(SB)
SUPER WHITE(SW)

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  • Page 1 REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. COLOR : STAINLESS(ST) SMOOTH BLACK(SB) SUPER WHITE(SW) MODEL : LFX31925**...

  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ............................... 2 1. SPECIFICATIONS ................................3 2. PARTS IDENTIFICATION ..............................4 3. DISASSEMBLY ................................5- REMOVING AND REPLACING REFRIGERATOR DOORS ................5 DOOR ................................6 DOOR ALIGNMENT ............................7 FAN AND FAN MOTOR........................... 7 DEFROST CONTROL ASSEMBLY ........................ 7 REFRIGERATOR LIGHT (TOP) ........................

  • Page 3: Specifications

    1. SPECIFICATIONS 1-1 LFX31925** ● 31 cu.ft. ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DOOR DESIGN Side Rounded VEGETABLE TRAY Clear Drawer Type 3 /4 1 /4 1 /4 DIMENSIONS (inches) X 36 X 70 (WXDXH) 31cu.ft. COMPRESSOR Linear NET WEIGHT (pounds) 158kg (348lb) EVAPORATOR Fin Tube Type COOLING SYSTEM...

  • Page 4: Parts Identification

    2. PARTS IDENTIFICATION LED interior lamps The interior lamps light up the inside of the refrigerator. Dairy product bin Water filter The dairy product bin is The water filter purifies used to preserve dairy water. products. NOTE The filter should be replaced every 6 months.

  • Page 5: Disassembly

    3. DISASSEMBLY 3-1 REMOVING AND REPLACING REFRIGERATOR DOORS 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 (3).-FIG. 1 2.

  • Page 6: Door

    3-2 DOOR Door Gasket Replacement ● 1. Insert gasket into channel Mullion Removal ● Insert and press gasket into channels at doorliner. 1. Remove 2 screws. 2. Lift mullion up carefully. Mullion Replacement ● 1. Connect wire harness. 3. Disconnect wire harness. 2.

  • Page 7: Door Alignment

    3-3 Door Alignment * Ice Fan Assembly Replacement If the level of refrigerator doors is uneven, follow the 1) Remove the plastic guide for slides on left side by instructions below to align the doors: unscrewing phillips head screws. Turn the leveling legs (CCW) to raise or (CW) to lower the 2) Pull out the cover sensor to disassemble by using tools height of the front of the refrigerator by using flat blade shown in the figure.

  • Page 8: Refrigerator Light (Top)

    3-6 Refrigerator Light (Top) 3-6-2 Refrigerator Light (Side) Unplug Refrigerator, or disconnect power at the circuit 1. Unplug refrigerator power cord from electric outlet. breaker. 2. Put flat screwdriver into sevice hole and remove cover of If necessary, remove top shelf or shelves. refrigerator light.

  • Page 9: Multi Duct

    3-6-3 Cap Duct LED LAMP(Bottom) 3-7 MULTI DUCT 1. Unplug refrigerator power cord from electric outlet. 1. Remove 2 screws and guide rail. 2. Open the refrigerator door to need diassembly. 3. Put flat screwdriver into service hole, remove the cover of cap duct LED LAMP.

  • Page 10: Dispenser

    3-8 DISPENSER 3-10 ICE BUTTON ASSEMBLY 1) Remove the 1 screw holding the lever. 2) Remove the spring from the hook. 3) Push and pull on the tab to remove. 2) Holding the inner side of 1) Pull out the drain the dispenser pull Button Lever forward to remove.

  • Page 11: Icemaker Replacement

    3-13 ICEMAKER REPLACEMENT CAUTION: Make sure that the motor housing is taped to the mold, if not positioned correctly the cover will not fit 1) Remove 4 screws as shown. properly. 2) Grasp the bottom of motor cover assembly and pull slowly.

  • Page 12: Cap Duct Motor Replacement

    3-15 CAP DUCT MOTOR REPLACEMENT 1) Separate the Housing of the Cap Duct Motor. 2) Unscrew 3 screws to disassemble the motor. 3) When replacing the motor, check the position of the door duct and the link for proper fit. Duct Door Link Cap Duct Motor...

  • Page 13: How To Remove A Ice Bin

    3-16 HOW TO REMOVE A ICE BIN 3-17 HOW TO INSERT A ICE BIN 1) Grip the handles, as shown. 1) Insert the Ice Bin, slightly tilting to avoid touching the Icemaker. (Especially, Ice-Detecting Sensor) 2) Tilt and lift slightly as shown. 3) Remove ice bin slowly.

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

    3-18 HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER 3-18-1 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 l ifting clear from each side).
  • Page 15 3-18-2 Follow Steps to Reinstall Step 1) Insert both side of supporter cover tv into ① Assemble a bar and gear ice with screw. Step 2) connector rails, and then screw them. ② Push the otherside of the gear to inside of the bar.

  • Page 16: Water Valve Disassembly Method

    3-19 WATER VALVE DISASSEMBLY METHOD 3-20 FAN AND FAN MOTOR DISASSEMBLY METHOD 1) Turn off the water to unit. Remove the waterline from the 1) Remove screws for the Drain Pipe Assembly and the 1 valve. connected to the Motor Cover. MOTOR COVER 2) Separate the Fan Assembly and Motor, turn counter 2) Remove cover and 1 screw from the valve.

  • Page 17: Pull Out Drawer

    3-21 PULL OUT DRAWER Top Drawer 1. Use a flat blade screwdriver to push the tab in on the left rail and push the tab on the right rail in with your finger. Once the tabs have been pushed in, you can lift the tray up and out. 2.

  • Page 18: Caution : Sealed System Repair

    . CAUTION : Sealed System Repair 3-22 Before making a sealed system repair : Start with the power cord unplugged from the outlet. Plug in the power cord and between 6 and 12 seconds after it has been pugged in, unplug it from the power source. this will allow both sides of the 3 way valve to be opened to allow for proper evacuation.

  • Page 19: Adjustment

    4. ADJUSTMENT 4-1 COMPRESSOR 4-2-3 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 20: Circuit Diagram

    5. CIRCUIT DIAGRAM - 20 -...

  • Page 21: Troubleshooting

    6. TROUBLESHOOTING 6-1 Error Code Summary WARNING: When checking Resistance values, make sure to turn off the power, and wait for the voltage to discharge. FRESH AIR FIL TER NOTE) Within 3 hours after the error : Press the Ice Plus button and Freezer button simultaneously 3 hours after the error : All errors, except for "Er rt", "Er SS", "Er IS(except for Icing sensor)", "Er gF", "Er It"...

  • Page 22: Pcb Picture

    7. PCB PICTURE 7-1 Main PCB P/No & MFG Picture CON5 CON6 CON7 EBR730936 (2011.01~) CON3 CON2 CON1 - 22 -...
  • Page 23 7-2 Display PCB & Sub PCB P/No Picture Display PCB EBR 729554 (2011.03~) Sub PCB EBR60070709 (2011.01~) - 23 -...

  • Page 24: Troubleshooting With Error Display

    8. Troubleshooting With Error Display 8-1 Freezer Sensor Error (Er FS) Checking flow Result & SVC Action Check for a loose connection. Check the Blue/White to Result SVC Action Blue/White. 0 Ω Short Change the sensor Open Replace the refrigerator Check the Temp and Other Normal...
  • Page 25 8-2 Refrigerator Sensor Error (Er rS) Checking flow Result & SVC Action Check for a loose connection. Check the White to White. Result SVC Action 0 Ω Short Change the sensor Open Replace the refrigerator Check the Temp and Other Normal resistance (Table-2) <Temperature table-2>...
  • Page 26 8-3 Icing Sensor Error (Er IS) Checking flow Result & SVC Action Check for a loose connection. Check the Blue to Blue. Result SVC Action 0 Ω Short Change the sensor Open Replace the refrigerator Check the Temp and Other Normal resistance (Table-1) <Temperature table-1>...
  • Page 27 8-4 Defrost Sensor Error (F dS) Checking flow Result & SVC Action Check for a loose connection. Check the Orange to Orange. Result SVC Action 0 Ω Short Change the sensor Open Replace the refrigerator Check the Temp and Other Normal resistance (Table-3) Check the Brown to Brown.
  • Page 28 8-5 Defrost Sensor Error (R dS) Checking flow Result & SVC Action Check for a loose connection. Check the Orange to Orange. Result SVC Action 0 Ω Short Change the sensor Open Replace the refrigerator Check the Temp and Other Normal resistance (Table-3) <Temperature table-3>...
  • Page 29 8-6 Defrost Heater Error (F dH) Checking flow Result & SVC Action Check the Door gasket. Part Result SVC Action 0 Ω Go to the 3 Check the Defrost control part. Fuse-M Other Change Fuse-M 34~42 Ω Go to the 3 Def’...
  • Page 30 8-7 Defrost Heater Error (R dH) Checking flow Result & SVC Action Check the Door gasket. Part Result SVC Action 0 Ω Go to the 3 Check the Defrost control part. Fuse-M Other Change Fuse-M 34~42 Ω Go to the 3 Def’...
  • Page 31 8-8 Refrigerator Fan Error (Er rF) 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 air Status SVC Action flow. No windy Go to 3 ※...
  • Page 32 8-9 Freezer Fan Error (Er FF) 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 air Status SVC Action flow. No windy Go to 3 ※...
  • Page 33 8-10 Icing Fan Error (Er IF) 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 air Status SVC Action flow. No windy Go to the 3,4 ※...
  • Page 34 8-11 Condenser Fan Error (Er CF) 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 35 8-12 Communication Error (Er CO) Checking flow Result & SVC Action Check the loose connection. Check the Red to White/Red. Result SVC Action 12 V Go to the 3 Check the Hinge Other (loose connection) CON101 Change the Main PCB <Display>...

  • Page 36: Troubleshooting Without Error Display

    9. Troubleshooting Without Error Display 9-1 Cube mode doesn’t work Checking flow Result & SVC Action Check the loose connection. Check the Black to White. Lever s/w Result SVC Action (While pushing the lever S/W) 112 ~ 115 V Go to the 3 Pushing Other Change PCB...
  • Page 37 9-2 Crush mode doesn’t work Checking flow Result & SVC Action Check the loose connection. Check the Sky Blue to White. Lever s/w Result SVC Action (While pushing the lever S/W) 112 ~ 115 V Go to the 3 Pushing Other Change PCB 0 ~ 2 V...
  • Page 38 9-3 Water mode doesn’t work Checking flow Result & SVC Action Check the loose connection. Check the Purple to White. Lever s/w Result SVC Action (While pushing the lever S/W) 112 ~ 115 V Go to the 3 Pushing Other Change PCB 0 ~2 V Go to the 3...
  • Page 39 9-4 Freezer room 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 0 Ω Go to the 3 Normal Change door S/W Go to the 3 Infinity...
  • Page 40 9-5 Refrigerator room 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 0 Ω Go to the 3 Normal Change door Switch Other Go to the 3...
  • Page 41 9-6 Poor cooling in Fresh food section Checking flow Result & SVC Action Check the sensor resistance. Temperature Result 23°F / -5°C 38 ㏀ 32°F / 0°C 30 ㏀ 41°F / 5°C 24 ㏀ 50°F / 10°C 19.5 ㏀ <CON7> 59°F / 15°C 16 ㏀...
  • Page 42 Checking flow Result & SVC Action Check the R Fan motor voltage. Point Result SVC Action (3) (2) (1) (1) ~ (2) Below 12 V Change the PCB (1) ~ (3) 0 or 5 V Change the motor <CON6> - 42 -...
  • Page 43 9-7 Poor cooling in Freezer compratment Checking flow Result & SVC Action Check the sensor resistance. (1) To (2) Result -22°F / -30°C 40 ㏀ -13°F / -25°C 30 ㏀ -4°F / -20°C 23 ㏀ 5°F / -15°C 17 ㏀ <CON7>...
  • Page 44 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). Check the F Fan motor voltage. Point Result SVC Action...

  • Page 45: Reference

    10. Reference 10-1 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. * 1 time : Comp / Damper / All FAN on (All things displayed) * 2 times : Damper closed (22 22 displayed)
  • Page 46 10-2 TEMPERATRUE CHART - FREEZER AND ICING SENSOR TEMP RESISTANCE VOLTAGE 73.29 ㏀ -39°F (-40°C) 4.09 V -30°F (-35°C) 53.63 ㏀ 3.84 V -30°F (-21°C) 39.66 ㏀ 3.55 V -13°F (-25°C) 29.62 ㏀ 3.23 V -4°F (-20°C) 22.33 ㏀ 2.89 V 5°F (-15°C) 16.99 ㏀...
  • Page 47 10-3 TEMPERATRUE CHART - REFRIGERATOR AND DEFROST SENSOR TEMP RESISTANCE VOLTAGE -39°F (-40°C) 225.1 ㏀ 4.48 V -30°F (-35°C) 169.8 ㏀ 4.33 V 129.3 ㏀ -30°F (-21°C) 4.16 V -13°F (-25°C) 99.30 ㏀ 3.95 V 76.96 ㏀ -4°F (-20°C) 3.734 V 60.13 ㏀...
  • Page 48 Compressor Troubleshooting Step 1) Open PCB cover Step 2) Check for blinking frequency of LED, PCB 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 - 48 -...
  • Page 49 Actions to take according to Led blinking frequency LED operating condition Cause Service guideline 1.After resetting LED two - time repetiton power, check if it is PCB part defect running normal 2.If the same (piston overrun) symptom arises after - off - - off - - off repeating...
  • Page 50 10-4 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.

  • Page 51: Component Testing Information

    11. COMPONENT TESTING INFORMATION 11-1 Defrost Controller Assembly Function The controller assembly is made up of two different kinds of parts. The fuse and the sensor. To determine if these parts are defective, check for resistance. The fuse will cut power to the defrost heater at very high temperatures.
  • Page 52 11-2 Sheath Heater (Freezer Room) Function Sheath heater is the part for defrost. All heating wire is connected to only one line. So we can decide part is defective or not when we check the resistance. How to Measure (1) (2) Set a ohmmeter connect to The housing pins.
  • Page 53 11-2 Sheath Heater (Refrigerator Room) Function Sheath heater is the part for defrost. All heating wire is connected to only one line. So we can decide part is defective or not when we check the resistance. How to Measure Set a ohmmeter connect to The housing pins. Measure the pins connected to Sheath Heater.
  • Page 54 11-4 Door Switch Function The switch senses if the door is open or closed. - 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 55 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 9.9 ~ 12.1 Ω (1) to (2) - 55 -...
  • Page 56 11-6 AC Motor ASSEMBLY Function The motor in the door pushed the ice into the dispenser. How to < In-door Motor > < In-door Motor > Measure Separate the Separate the housing. housing. Measure the Measure the resistance between resistance between (1) and (2) (1) and (3) Check the resistance between connectors (In-door motor 1, 2) and...
  • Page 57 11-7 Damper Function The damper supplies cold air from the freezer to the chill room using the damper plate. The chill room is colder when the damper plate is open. When the damper is closed the chill rooms temperature will rise. How to Measure <...
  • Page 58 11-8 Lamp Socket Function The lamp socket connect cover lamp assembly to lamp. The lamp socket fix lamp and unite lamp and cover lamp assembly. The lamp socket supply electric source to lamp also. How to Measure Check the resistance between connector of housing and connector of lamp socket. It means check whether or not applying an electric current.
  • Page 59 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 4 ~ 30 kΩ Red wire to Black wire - 59 -...

  • Page 60: Troubleshooting

    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 & sound Refer FC75(A-Inverter) TEST1...
  • Page 61 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 62 IPM Output check - Measure the voltage between the POWER and COMM pins of the connector as shown below. Check to make sure compressor is receiving voltage from IPM - In order to determine whether the compressor is operating normally, check the output voltage during the refrigeration cycle.
  • Page 63 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 64 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 65 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 seconds.
  • Page 66 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 67 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 68 Compressor Troubleshooting WARNING HIGH VOLTAGE Step 1) Open PCB cover Step 2) Check for blinking frequency of LED and PCB 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 - 68 -...
  • Page 69 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 - off -...
  • Page 70 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 71 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 72 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 73: Icemaker Opearting And Trouble Shooting Method

    13. ICEMAKER OPERATING METHOD AND TROUBLE SHOOTING 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. • Waits until water becomes ice. Icemaking For cold air circulation, Ice tray will be Mode...
  • Page 74 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 75 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 to be diagnosed. 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 76 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. FRESH AIR FIL TER is shown on the display after the procedure above, Ice-detecting sensor is normal.

  • Page 77: Description Of Function & Circuit Of Micom

    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 78 14-1-4 Filter condition display function 1. There is a replacement indicator light for the filter In initial Power On Blinking Classification cartridge on the dispenser. / Filter RESET 2. Water filter needs replacement once six months or of using water filter. Filter Status 3.
  • Page 79 14-1-8 CONTROL OF FREEZER FAN MOTOR 1. Freezer fan motor has high and standard speeds. 2. High speed is used at power-up, for Ultra Ice, and when refrigerator is overloaded. Standard speeds is used for general purposes. 3. To improve cooling speed, the RPM of the freezer fan motor change from normal speed to high. 4.
  • Page 80 14-1-14 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 81 15. EXPLODED VIEW & REPLACEMENT PARTS LIST CASE PARTS CAUTION : Use the part number to order part, not the position number. 603C 503E 603E 626A 624E 207B 624G 402A 503D 624C 500P 409D 158A 103B 610F 271B 103A 501F 207A 402A 282G...
  • Page 82 FREEZER PARTS CAUTION: Use the part number to order part, not the position number. 145C 131A 249M 136C 136B 133C 249L 132Q 136E 134A 133C 145F 132P 237C 136A - 82 -...
  • Page 83 REFRIGERATOR PARTS CAUTION: Use the part number to order part, not the position number. 141H 142B 143A 141A 142A 142D 141F 141B 141H 141H 141A 141A 141F 141B 141F 141B 141D 154A 161B 151C 161C 151A 151B 161C 161A 146E 162B 145D 162A...
  • Page 84 DOOR PARTS CAUTION: Use the part number to order part, not the position number. 241A 231B 233B 231A 233A 241C 241K 212G 235A 241B 241K 241F 241G 241E 312B 241F 241E 243D 243C 619B 243A 603B 262C 244A 244A 624A 619C 603C 615A...
  • Page 85 DISPENSER PARTS CAUTION: Use the part number to order part, not the position number. 276A 276G 276F 276I 405A 276B 275A 278C 279A 278D 279K 402E 402C 279L 501D 279B 500C 281A 501A 279C - 85 -...
  • Page 86 VALVE & WATER TUBE PARTS CAUTION: Use the part number to order part, not the position number. 617A 625A 616G 616D 616G 623B 616J 623B 616J 616F 627B 603C 616D 627A 619A 619E 603B - 86 -...
  • Page 87 ICE MAKER & ICE BIN PARTS CAUTION: Use the part number to order part, not the position number. 630J 630J 612A 630F 630B 630C 600A 611A 607A 630A 630H 630D 606A 630E 630Q 630G - 87 -...
  • Page 88 P/No. MFL62188047 MAR., 2011 Printed in Korea...

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