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LG LMX30665 Series Service Manual

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REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MODEL : LMX30665**
COLOR : STAINLESS(ST)

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Summary of Contents for LG LMX30665 Series

  • Page 1 REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MODEL : LMX30665** COLOR : STAINLESS(ST)

  • Page 2: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ............................ 2 1. SPECIFICATIONS ............................3 2. PARTS IDENTIFICATION ..........................4 3. DISASSEMBLY ............................5-24 REMOVING AND REPLACING REFRIGERATOR DOORS ................5 DOOR ................................6 DOOR ALIGNMENT ............................7 FAN AND FAN MOTOR........................... 7 DEFROST CONTROL ASSEMBLY ........................ 8 REFRIGERATOR LIGHT (TOP) ........................

  • Page 3: Specifications

    1. SPECIFICATIONS 1-1 LMX30665** ● 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) 30cu.ft. COMPRESSOR Linear NET WEIGHT (pounds) 158kg (348lb) EVAPORATOR Fin Tube Type COOLING SYSTEM...

  • Page 4: Parts Identification

    2. PARTS IDENTIFICATION LED interior lamps Adjustable Refrigerator Shelf The interior lamps light up the The shelves in your refrigerator are adjustable to meet your individual inside of the refrigerator. storage needs. Water filter Purifies water. Door-In-Door Case The convenience of a “soft cool” NOTE storage area and easy access to The filter should be replaced every...

  • 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. Insert mullion into channel. Insert the mullion into channel at door as shown below.

  • Page 7: Door Alignment

    3-3 Door Alignment 3-4 FAN AND FAN MOTOR If the level of refrigerator doors is uneven, follow the 1. Remove the freezer drawer. instructions below to align the doors: 2. Remove the plastic guide for slides on left side by Turn the leveling legs (CCW) to raise or (CW) to lower the unscrewing phillips head screws.

  • Page 8: Defrost Control Assembly

    * Ice Fan Assembly Replacement 3-5 DEFROST CONTROL ASSEMBLY Defrost Control assembly consists of Defrost Sensor and 1) Remove the plastic guide for slides on left side by FUSE-M. unscrewing phillips head screws. The Defrost Sensor works to defrost automatically. It is 2) Pull out the cover sensor to disassemble by using tools attached to the metal side of the Evaporator and senses its shown in the figure.

  • Page 9: 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 10: 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 11: 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 12: 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 13: 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 14: 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 15: Pull Out Drawer

    3-18 PULL OUT DRAWER Top Drawer Pull the drawer open to full extension. Remove the basket and extra ice bin by lifting the basket from the rail system. Bottom Drawer Pull the drawer open to full extension. Remove the Durabase by lifting the basket rom the rail system. - 15 -...

  • Page 16: 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 four screws from each side Step 4) Removal of the freezer door is done by l ifting clear of the rail support.
  • Page 17 3-19-2 Follow Steps to Reinstall Step 2) ① Assemble a bar and gear ice with screw. Step 1) Insert both side of supporter cover tv into ② Push the otherside of the gear to inside of the connector rails, and then screw them. bar.

  • Page 18: Water Valve Disassembly Method

    3-20 WATER VALVE DISASSEMBLY METHOD 3-21 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 19: 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 20 HOW TO REMOVE AND REINSTALL THE HOMEBAR 3-24 3-24-1 CASE ASSEMBLY, HOME BAR 3-24-2 DOOR BASKET OF HOME BAR DOOR The Home Bar is removable for easy cleaning and The Door Baskets are removable for easy cleaning and adjustment. adjustment. 1.
  • Page 21 3-24-4 COVER FRONT The Cover Front is removable for easy cleaning and adjustment. 1. To remove the Cover Front, simply lifts the basket doorr up and pulls slopingly out. 2. Remove two screws of The Cover Front and pull slopingly straight out. NOTE : To replace the Cover Front and basket door, Slide them in above desired support and push down until them snaps into place.
  • Page 22 3-26 HOW TO REMOVE AND REINSTALL THE DOOR FOAM ASSEMBLY, REFRIGERATOR 1. Remove the Screw of Right Hinge Cover. 2. Remove two Wire connectors. 3. Rotate the hinge lever clockwise. 4. Separate the Home Bar. 5. Pull THE DOOR FOAM ASSEMBLY, REFRIGERATOR up and out.
  • Page 23 3-27 HOW TO REMOVE FRAME DOOR SWITCH OF DOOR FOAM 1. Remove screws on hinge assebmbly, Upper 2. Separate the Cap,decor on the frame door. 3. Press the hook of door switch, 4. Remove a wire connector for change. Then pushes it outward. - 23 -...
  • Page 24 3-28 HOW TO REMOVE THE HOME BAR DOOR. 1. Remove the screw located on the top of hinge. 2. Remove the cap hinge(upper) Cap Hinge(Upper) 3. Remove the bar by pushing it up from the 4. Pull out the bar thought the top hinge. bottom through the SVC hole (bottom hinge).

  • Page 25: 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 26: Circuit Diagram

    5. CIRCUIT DIAGRAM - 26 -...

  • Page 27: 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. NOTE) Within 3 hours after the error : Press the Ice Plus button and Freezer button simultaneously All errors, except for “E rt”, “E SS”, “E HS”, “E IS(except for Icing sensor)”.
  • Page 28 Error Display Error Detection Refrigerator Freezer Error Generation Factors Remark Category Temperature Temperature (Error code (Error code Abnormality of It is caused when feedback BLDC FAN signal isn’t over 65 seconds Poor BLDC Motor connection, MOTOR For during BLDC FAN motor DRIVE IC, and TR Refrigerator operating...

  • Page 29: Pcb Picture

    7. PCB PICTURE 7-1 Main PCB P/No & MFG Picture CON5 CON6 CON7 EBR729554 (2013.06~) CON3 CON2 CON1 - 29 -...
  • Page 30 7-2 Display PCB & Sub PCB P/No Picture Display PCB EBR729554 (2012.08~) Sub PCB EBR60070709 (2011.01~) - 30 -...

  • Page 31: Troubleshooting With Error Display

    8. Troubleshooting With Error Display 8-1 Freezer Sensor Error (E FS) Checking flow Result & SVC Action Check for a loose connection. Check the Blue/White to Result SVC Action Blue/White. Short Change the sensor Open Replace the refrigerator Check the Temp and Normal resistance (Table-1) <Temperature table-1>...
  • Page 32 8-2 Refrigerator Sensor Error (E rS) Checking flow Result & SVC Action Check for a loose connection. Check the White to White. Result SVC Action Short Change the sensor Open Replace the refrigerator Check the Temp and Normal resistance (Table-2) <Temperature table-2>...
  • Page 33 8-3 Icing Sensor Error (E IS) Checking flow Result & SVC Action Check for a loose connection. Check the Blue to Blue. Result SVC Action Short Change the sensor Open Replace the refrigerator Check the Temp and Normal resistance (Table-1) <Temperature table-1>...
  • Page 34 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 Short Change the sensor Open Replace the refrigerator Check the Temp and Normal resistance (Table-3) <Temperature table-3>...
  • Page 35 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 Short Change the sensor Open Replace the refrigerator Check the Temp and Normal resistance (Table-3) <Temperature table-3>...
  • Page 36 8-6 Defrost Heater Error (F dH) Checking flow Result & SVC Action Check the Door gasket. Part Result SVC Action Check the Defrost control part. Go to the 3 Fuse-M Change Fuse-M Other Go to the 3 41.8~46.2 Change Defrost Heater Other Defrost Heater...
  • Page 37 8-7 Defrost Heater Error (r dH) Checking flow Result & SVC Action Check the Door gasket. Part Result SVC Action Ω Go to the 3 Check the Defrost control part. Fuse-M Change Fuse-M Other Ω Go to the 3 Def’ 78.6~86.8 Heater Change Fuse-M...
  • Page 38 8-8 Refrigerator Fan Error (E 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 Windy Go to 4 Check the Fan motor voltage.
  • Page 39 8-9 Freezer Fan Error (E 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 Windy Go to 4 Check the Fan motor.
  • Page 40 8-10 Icing Fan Error (E 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 Windy Go to the 5 Check the Connector.
  • Page 41 8-11 Condenser Fan Error (E 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 No windy Check motor Windy Go to the 4 Check the Fan motor and surrounding.
  • Page 42 8-12 Communication Error (E 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 43: 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 44 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 45 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 46 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 Resistance Result SVC Action No magnet No magnet Magnet near the Switch near the Switch Switch Center...
  • Page 47 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 Go to the 3 Normal Other Change door Switch Infinity Go to the 3 Push...
  • Page 48 9-6 Poor cooling in Fresh food section Checking flow Result & SVC Action Check the sensor resistance. Temperature Result 23°F °C 32°F °C 41°F °C 50°F °C 19.5 <CON7> 59°F °C The sensor is determined by the temperature. For example, 30 indicates 32°F.
  • Page 49 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> - 49 -...
  • Page 50 9-7 Poor cooling in Freezer compratment Checking flow Result & SVC Action Check the sensor resistance. (1) To (2) Result -22°F °C -13°F °C -4°F °C 5°F °C <CON7> 14°F °C The sensor is determined by 23°F °C the temperature. For example, 23 indicates -4°F.
  • Page 51 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 52: 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 53 10-2 TEMPERATRUE CHART - FREEZER AND ICING SENSOR TEMP RESISTANCE VOLTAGE -39°F (-40°C) 4.09 V 73.29 -30°F (-35°C) 3.84 V 53.63 -30°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 54 10-3 TEMPERATRUE CHART - REFRIGERATOR AND DEFROST SENSOR TEMP RESISTANCE VOLTAGE -39°F (-40°C) 4.48 V 225.1 -30°F (-35°C) 4.33 V 169.8 -30°F (-21°C) 4.16 V 129.3 -13°F (-25°C) 3.95 V 99.30 -4°F (-20°C) 3.734 V 76.96 5°F (-15°C) 3.487 V 60.13 14°F (-10°C) 3.22 V...
  • Page 55 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 56: 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 57 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 58 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 59 11-4 Door Switch,R 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 60 11-5 Door Switch,F 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 61 11-6 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 - 61 -...
  • Page 62 11-7 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 63 11-8 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 64 11-9 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 65 11-10 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 - 65 -...

  • Page 66: 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 Button Test Mode COMP Ref.
  • Page 67 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 LED Lamp * Driver PCB located in back plate cover of the refrigerator.
  • Page 68 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 69 12-2 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) and Point C (Capacitor Voltage) when compressor is off.
  • Page 70 B3. LED blinks five times, then repeats (Locked Piston) 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. - Logic: Compressor is forced off and tries to restart within 2.5 minutes.
  • Page 71 B5. LED blinks seven times, then repeats 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 72 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 73 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 74 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 - 74 -...
  • Page 75 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 76 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 77 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 78 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 79: Icemaker Opearting Method And Trouble Shooting

    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 80 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 81 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 82 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 83: 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 84 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 85 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 86 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 87 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 88 FREEZER PARTS CAUTION: Use the part number to order part, not the position number. 205D 205D 131A 136B 136C 150B 204D 251A 150D 150E 150C 205D 253D 136A 150B 251B 204E 150A 237C 150D 150C 253E...
  • Page 89 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 141F 141B 141B 141D 154A 161B 151C 161C 151A 151B 161C 161A 146E 162B 145D 162A...
  • Page 90 DOOR PARTS CAUTION: Use the part number to order part, not the position number. 231B 233B 241K 235A 207D 250W 241K 232A 281H 312F 250D 241B 241K 250D 312G 241B 312B 281B 207C 146F 281H 250C 312E 243C 241A 262C 244A 624A 405M...
  • Page 91 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...
  • Page 92 VALVE & WATER TUBE PARTS CAUTION: Use the part number to order part, not the position number. 617A 625A 616G 616G 623B 616J 623B 616J 627B 603C 627A 619A 619E 603B...
  • Page 93 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...
  • Page 94 P/No. MFL67655045 AUG., 2013 Printed in Korea...

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