LG LFX25973 Series Service Manual

LG LFX25973 Series Service Manual

Lg lfx25973 refrigerator service manual
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REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MODEL : LFX25973**
COLOR : STAINLESS(ST)
WESTERN BLACK
SUPER WHITE

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Summary of Contents for LG LFX25973 Series

  • Page 1 REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MODEL : LFX25973** COLOR : STAINLESS(ST) WESTERN BLACK SUPER WHITE...
  • Page 2: Table Of Contents

    CONTENTS 1. SPECIFICATIONS ............................3 2. PARTS IDENTIFICATION ..........................4 3. DISASSEMBLY ............................5-16 REMOVING AND REPLACING REFRIGERATOR DOORS ................5 DOOR ................................6 DOOR ALIGNMENT ............................7 FAN AND FAN MOTOR(EVAPORATOR) ....................... 7 DEFROST CONTROL ASSEMBLY ......................... 7 LAMP ................................8 MULTI DUCT ..............................
  • Page 3: Specifications

    1. SPECIFICATIONS 25 cu. ft ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DOOR DESIGN Side Rounded VEGETABLE TRAY Opaque Drawer Type DIMENSIONS (inches) X 34 X 69 (WXDXH) 25cu.ft COMPRESSOR Linear NET WEIGHT (pounds) 308.65 (25cu.ft) EVAPORATOR Fin Tube Type COOLING SYSTEM Fan Cooling CONDENSER Spiral Condenser TEMPERATURE CONTROL...
  • Page 4: Parts Identification

    2. PARTS IDENTIFICATION ADJUSTABLE REFRIGERATOR SHELVING The refrigerator compartment shelves are adjustable to allow flexibility for storage needs. GALLON STORAGE BINS Two interchangeable bins can be arranged to suit your storage needs. LED INTERIOR LAMPS Refrigerator interior is lit by the LED array. CAN STORAGE BIN FIXED DOOR BINS REMOVABLE ICE STORAGE BIN...
  • 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 (4).-FIG. 1 2.
  • Page 6: Door

    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.
  • Page 7: Door Alignment

    3-3 DOOR ALIGNMENT * Ice Fan Scroll Assembly Replacement If the space between your 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. Remove the Base Grillie.
  • Page 8: Lamp

    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 9: Dispenser

    3-9 DISPENSER 3-11 ICE BUTTON ASSEMBLY 1) Remove the screw fixing the button lever. 2) Push the spring from the hanging hook to remove it. 3) Apply some pressure to the rib in direction and lift the button in direction. 1) Pull out the drain 2) Hold the inner side of cover dispenser with...
  • Page 10: Icemaker Replacement

    3-14 ICEMAKER REPLACEMENT Caution: Check to see if the housing is stuck to mold and taped. If the housing is not on its original position, it will 1) Remove the stainless screws marked in the picture disturb Cover, motor to be positioned to the unit. below.
  • Page 11: Cap Duct Motor Replacement

    3-16 CAP DUCT MOTOR REPLACEMENT 1) Separate the Housing of the Cap Duct Motor. 2) Unscrew 3 screws to disassemble the motor. 3) When replacing to a new Motor, always check position of the Duct Door and Link to install the Motor. Duct Door Link Cap Duct Motor...
  • Page 12: How To Remove The Ice Bin

    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. 3) Take the Ice Bin out slowly.
  • Page 13: How To Remove And Reinstall The Pullout Drawer

    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 14 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 15: Water Valve Disassembly Method

    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 16: Freezer Drawer

    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. - 16 -...
  • Page 17: Adjustment

    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 18: Circuit Diagram

    5. CIRCUIT DIAGRAM - 18 -...
  • Page 19: Troubleshooting

    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 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 20 Error Display Error Detection Freezer Refrigerator Remark Error Generation Factors Category Temperature Temperature (Error code ①) (Error code ②) Short or disconnection of the Freezer Shelf sensor about freezer shelf Check each sensor at it’s Icing connector. Ice maker (Icing sensor, Ice Sensor Error maker sensor) Other Electric system error...
  • Page 21: Pcb Picture

    7. PCB PICTURE 7-1 MAIN PCB P/No & MFG Picture CON2 CON3 CON1 CON5 EBR73304220 (2011.07~) CON201 CON7 CON4 - 21 -...
  • Page 22: Display Pcb & Sub Pcb

    7-2 DISPLAY PCB & SUB PCB P/No Picture Display PCB EBR67357902 (2011.03~) CON103 CON102 CON101 Sub PCB EBR60070707 (2011.03~) CON2 - 22 -...
  • Page 23: 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 Blue/White at Result SVC Action CON7 on the main PCB Ω Short Change the sensor Open Replace the refrigerator Check the Temp and...
  • Page 24 8-2 Refrigerator Sensor Error (Er rS) Checking flow Result & SVC Action Check for a loose connection. Check the White to White at Result SVC Action CON7 on the main PCB 0 Ω Short Change the sensor Open Replace the refrigerator Check the Temp and Other Normal...
  • Page 25 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 26 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 at...
  • Page 27 8-5 Defrost Heater Error (Er dH) Checking flow Result & SVC Action Check the Door gasket. Part Result SVC Action 0 Ω Go to the 3 Fuse-M Check the Defrost control part. Change Controller Assembly Other (Position No.400A ) 34~42 Ω Go to the 3 Def' Fust...
  • Page 28 8-6 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 29 8-7 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 refrigerator door and Check the Status SVC Action air flow. No windy Go to the 3,4 ※...
  • Page 30 8-8 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 Go to the 3 the fan is not working.
  • Page 31 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> <CON101>...
  • Page 32: 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 on the Dispenser PCB Check the Black to White on the Dispenser Ice Button Result SVC Action PCB (While pushing the Ice Button) 112 ~ 115 V Go to the 3 Pushing...
  • Page 33 9-2 Cube mode doesn’t work Checking flow Result & SVC Action Check the loose connection on the Dispenser PCB Check the Skyblue to White on the Dispenser Ice Button Result SVC Action PCB (While pushing the Ice Button) 112 ~ 115 V Go to the 3 Pushing Other...
  • Page 34 9-3 Water mode doesn’t work Checking flow Result & SVC Action Check the loose connection on the Dispenser PCB Check the Purple to White on the Dispenser Water Button Result SVC Action PCB (While pushing the Water Button) 112 ~ 115 V Go to the 3 Pushing Other...
  • Page 35 9-4 Freezer room AC Bulb 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...
  • Page 36 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 S/W resistance. Status Result SVC Action 0 Ω Go to the 3 Normal Change door S/W Other Go to the 3...
  • Page 37 9-6 Poor cooling in Refrigerator room Checking flow Result & SVC Action Check R-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 38 Checking flow Result & SVC Action Damper checking method. Test Inputting TEST Mode, Damper state SVC Action Mode Check the damper and PCB. Damper is Closed 1 Mode normal. 2 Mode Open (Go to the 7) Change the 1, 2 mode Not working damper Test...
  • Page 39 9-7 Poor cooling in Freezer compartment Checking flow Result & SVC Action Check the F Sensor resistance Temperature Result -22°F / -30°C 40 ㏀ 30 ㏀ -13°F / -25°C -4°F / -20°C 23 ㏀ 17 ㏀ 5°F / -15°C <CON7> 13 ㏀...
  • Page 40 9-8 Over cooling in Refrigerator room Checking flow Result & SVC Action Check the R 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 41: Reference

    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 42 10-2 TEMPERATRUE CHART - FRZ AND ICING SENSOR TEMP RESISTANCE VOLTAGE -39°F (-40°C) 73.29 ㏀ 4.09 V -30°F (-35°C) 53.63 ㏀ 3.84 V -20°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 43 10-3 TEMPERATRUE CHART - REFRIGERATOR AND DEFROST SENSOR TEMP RESISTANCE VOLTAGE 225.1 ㏀ -39°F (-40°C) 4.48 V -30°F (-35°C) 169.8 ㏀ 4.33 V 129.3 ㏀ -30°F (-21°C) 4.16 V 99.30 ㏀ -13°F (-25°C) 3.95 V -4°F (-20°C) 76.96 ㏀ 3.734 V 60.13 ㏀...
  • Page 44 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 45: Component Testing Information

    11. COMPONENT TESTING INFORMATION 11-1 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 46 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. Measure the 2 pin connected to Sheath Heater.
  • Page 47 11-3 Door Heater Assembly Function The heater is designed to prevent the raising dew from door. How to Measure Standard Test Point Result 1954 ~ 2160 Ω (1) to (6) - 47 -...
  • Page 48 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 49 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) - 49 -...
  • Page 50 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 51 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 52 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 53 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 ㏀ Red wire to Black wire - 53 -...
  • Page 54: Compressor 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 55 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 56 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 57 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 58 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 59 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 60 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 61: Compressor Troubleshooting

    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 - 61 -...
  • Page 62 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 63 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 64 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 65 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 66: Operation Principle And Repair Method Of Icemaker (Ice Room)

    13. OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER (ICE ROOM) 13-1 WORKING PRINCIPLES 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 67: Ice Maker Functions

    13-2 FUNCTION OF ICE MAKER 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 68 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 69 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. FULL is shown on the display after the procedure above, Ice-detecting sensor is abnormal.
  • Page 70: Operation Principle And Repair Method Of Icemaker (Freezer Room)

    14. OPERATION PRINCIPLE AND REPIAR METHOD OF ICEMAKER (FREEZER ROOM) 14-1 Working Principles Power Input Level Ice Maker Cube Mould for “Initial Control” Initial Control after power is input. Ice Making Wait until the water in the cube mould is frozen Control after ice maker starts operation.
  • Page 71 14-2 Function of Ice Maker 14-2-1 Initial Control Function 1. When power is initially applied or reapplied after power cut, it detects level of ice maker cube mould after completion of MICOM initialization. The detecting lever moves up and down. 2.
  • Page 72 14-2-4 Ice Ejection Control Function 1. This is to eject ice from ice maker cube mould after ice making is completed. 2. If Hall IC signal is on within 3.6 seconds after ice ejection motor rotates in normal direction, it does not proceed ice ejection but waits.
  • Page 73 14-2-5 Test Function 1. It is to force the operation during operation test, service, and cleaning. The test switch is mounted under the automatic ice maker. The test function starts when the test switch is pressed for more than 0.5 second. 2.
  • Page 74: Description Of Function & Circuit Of Micom

    15. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM 15-1 FUNCTION 15-1-1 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 75 15-1-4 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 76 15-1-7 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 77 15-1-13 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 78: Exploded View

    16. EXPLODED VIEW CASE PARTS CAUTION : Use the part number to order part, not the position number. 607A 603C 603B 616J 207B 402A 103B 271B 626C 103A 501F 207A 500P 624G 624A 402A 503E 406D 120A 624C 610D 282F 410G 409D 410J...
  • Page 79 FREEZER PARTS CAUTION : Use the part number to order part, not the position number. 133B 145C 131A 136C 136B 133A 145F 237C 136A...
  • Page 80 REFRIGERATOR PARTS CAUTION : Use the part number to order part, not the position number. 141B 141A 141C 141B 141A 141E 141C 141B 141A 141C 141E 141B 141A 141E 141C 141D 161C 161B 141E 154A 151B 151A 146E 162B 161A 145D 162A...
  • Page 81: Door Parts

    DOOR PARTS CAUTION : Use the part number to order part, not the position number. 241A 241K 241C 241B 231B 233B 233A 231A 212G 235A 241K 241G 241D 241E 312B 243D 243C 243A 262C 619B 243E 132P 244A 244A 243B 615A 262C 262E...
  • Page 82 DISPENSER PARTS CAUTION : Use the part number to order part, not the position number. 276A 276G 276F 275A 405A 276B 279A 279I 278D 279H 279J 402C 278C 501D 279B 279D 500C 281B 279E 281A 501A 279C...
  • Page 83 VALVE & WATER TUBE PARTS CAUTION : Use the part number to order part, not the position number. 617A 616G 625A 623B 616D 616J 616F 623B 627A 616R 616E 616J 603C 623A 616S 627A 619A 619E 603B...
  • Page 84 ICE MAKER & ICE BIN PARTS CAUTION : Use the part number to order part, not the position number. Ice Room 630J 630J 612A 630F 630B 630C 600A 611A 607A 630A 630H 630D 606A 630E 630Q 630G Freezer Room 600F 600B...
  • Page 85 P/No. MFL48178839 JUNE., 2012 Printed in Korea...

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