LG LSC26945TT Service Manual
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LG LSC26945TT Service Manual

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REFRIGERATOR
SERVICE MANUAL
CAUTION
PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS MANUAL
BEFORE CHECKING OR OPERATING THE REFRIGERATOR.
MODEL: LSC26945TT
COLOR: SUPER WHITE
LSC26945SW
TITANIUM

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Summary of Contents for LG LSC26945TT

  • Page 1 REFRIGERATOR SERVICE MANUAL CAUTION PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS MANUAL BEFORE CHECKING OR OPERATING THE REFRIGERATOR. MODEL: LSC26945TT COLOR: SUPER WHITE LSC26945SW TITANIUM...

  • Page 2: Table Of Contents

    CONTENTS WARNINGS AND PRECAUTIONS FOR SAFETY ........................ 3 SPECIFICATIONS................................... 4 PARTS IDENTIFICATION ............................... 5 HOW TO INSTALL THE REFRIGERATOR ..........................6 HOW TO ADJUST DOOR HEIGHT............................6 FILTER ....................................7 HOW TO CONTROL THE ICEMAKER WATER SUPPLY....................8 MICOM FUNCTION ................................10 EXPLANATION OF MICOM CIRCUIT ..........................

  • Page 3: Warnings And Precautions For Safety

    WARNINGS AND PRECAUTIONS FOR SAFETY Please observe the following safety precautions to use the 8. Do not fray, damage, run over, kink, bend, pull out, or refrigerator safely and correctly and to prevent accident or twist the power cord. injury when servicing. 9.

  • Page 4: Specifications

    SPECIFICATIONS 1. Ref No. : LSC26945TT/ LSC26945SW ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS 1771 mm DRIER MOLECULAR SIEVE XH-7 in.) CAPILLARY TUBE ID Ø0.83 NET WEIGHT 149 kg (328.5 lbs.) FIRST DEFROST 4 - 5 Hours COOLING SYSTEM Fan Cooling DEFROST CYCLE...

  • Page 5: Parts Identification

    PARTS IDENTIFICATION 1. Ref No. : LSC26945TT/ LSC26945SW PWB Cover Frame Display Water Tubes Dispenser Lamp Ice & Water Dispenser Button - 5 -...

  • Page 6: How To Adjust Door Height

    HOW TO INSTALL REFRIGERATOR 1. How to Adjust Door Height of Refrigerator I Make the refrigerator level first. (If the refrigerator is not installed on a flat floor, the height of freezer and refrigerator door may not be the same.) 1.

  • Page 7: Filter

    HOW TO INSTALL REFRIGERATOR 2. Filter 2. Replace with a new cartridge. Replace the filter when the indicator light comes on or the Take the new cartridge out of its packaging and remove performance of the icemker or water dispenser decreases protective cover from the o-rings.

  • Page 8: How To Install Refrigerator

    HOW TO INSTALL REFRIGERATOR 3. How to Control the Amount of Water Supplied to Icemaker. 3-1. Confirm the amount of water supplied to the icemaker. 1. Pull out the ice bin shelf in the upper part of the freezer compartment. Caution : •...
  • Page 9 HOW TO INSTALL REFRIGERATOR 3-2. Control the amount of water supplied to the icemaker. Caution : • Please unplug the power cord from the wall outlet and wait for more than three minutes before disconnecting PWB cover as 310V is applied in the control panel. (+) Driver 1.

  • Page 10: Micom Function

    MICOM FUNCTION 1. Monitor Panel 1-1. LSC26945TT/ LSC26945SW Express Freezer/Jet Freezer Dispenser and button function selection button Lock button Dispenser selection Dispenser Lamp On/Off button/ button Filter status display RESET button Temperature adjustment button Temperature adjustment button for freezer compartment...
  • Page 11 MICOM FUNCTION 1-2. Display Second Function Buzzer sound mute Mode Exhibition Mode Display Power Change Display Degree from saving Mode Fahrenheit to Centigrade Mode 1. Buzzer sound mute Mode The buzzer sound is set to OFF. It activates by sounding the recognition sound of “Ding~” after pressing and holding “Express FRZ” button more than 5 seconds.
  • Page 12 MICOM FUNCTION 2. Description of Function 2-1-1. Function of Temperature Selection Division Power Initially On 1st Press 2st Press 3th Press 4th Press Temperature COLD COLDER COLDEST COOL COOLER Control Freezer Control -2 °F -5 °F -8 °F 7 °F 1 °F Refrigeration 37 °F...
  • Page 13 MICOM FUNCTION 2-1-3. Lock function (dispenser and display button lock) 1. In power application of refrigerator, the LOCK text is turned off at the right side of lock graphic of display with the lock replease status. 2. If desiring to lock the dislay the dispenser and control panel, push on the LOCK button more than 3 seconds. LOCK is turned on at the right side of lock graphic of display with lock status.
  • Page 14 • ICE PLUS freezer or JET freezer function automatically turns off after a set time. • Jet Freezing : Not applicable to all models. LED (LSC26945SW) LCD (LSC26945TT) 2-4. Dispenser Light • The dispenser light function is repeated following below whenever pressing LIGHT/FILTER button.
  • Page 15 10. The freezer fan motor runs at high speed during the ICE PLUS cycle. 2-6. JET FREEZING (LSC26945TT/ LSC26945SW) 1. JET FREEZING is a function to increase the cooling speed of the JET FREEZING compartment within the freezer by running both the compressor and the JET FREEZING fan simultaneously.
  • Page 16 MICOM FUNCTION 2-7. OptiChill Function (LSC26945TT/ LSC26945SW Model) 1. The OptiChill is positioned at the bottom of fresh food room separately and allow a user to select and adjust a desired temperature according to kinds of food such as meat, fish, vegetables and fruits and so on. The selected temperature to any kinds of food let user to keep their food longer.
  • Page 17 MICOM FUNCTION 2-8. Control of variable type of freezing fan 1. To increase cooling speed and load response speed, MICOM variably controls freezing room fan motor at the high speed of RPM and standard RPM. 2. MICOM only operates in the input of initial power or express freezing operation or load response operation for the high speed of RPM and operates in the standard RPM in other general operation.
  • Page 18 MICOM FUNCTION 2-12. Ringing of compulsory operation, compulsory frost removal buzzer 1. If pressing the test button in the main PCB, “Phi ~” sound rings. 2. In selecting compulsory operation, alarm sound is repeated and completed in the cycle of On for 0.2 second and Off for 1.8 second three times.
  • Page 19 MICOM FUNCTION 2-15. Sequential operation of built-in product Built-in products such as compressor, frost removal heater, freezing room fan, Cooling Fan and step motor damper are sequentially operated as follows for preventing noise and part damage occurred due to simultaneous operation of a lot of parts in applying initial power and completing test.
  • Page 20 4. Failure code is displayed on the display part of setting temperature for the freezing room and the display part of setting temperature for the cold storage room of display, which are placed at the display part of a refrigerator. All the display graphics other than a failure code are turned off. (1) LSC26945TT/ LSC26945SW Model - 20 -...
  • Page 21 MICOM FUNCTION Note1) R2-sensor, OptiChill sensor and water tank sensor, Ice maker-sensor, Ice maker Unit are not indicated on the failure indicating part but indicated in checking Display(When pressing for more than the button of freezing temperature and super freezer button for more than 1 second). R2-sensor (middle room) Normal: LED or LCD graphic on the (C) part turns on or Abnormal Drive Micom...
  • Page 22 MICOM FUNCTION 2-17. Test Function 1. The test function assists in diagnosing the PWB and determining the exact mode of failure. 2. The test button is on the main PCB. When test mode is engaged, it will complete its test cycle and default to normal operation within 2 hours.
  • Page 23 MICOM FUNCTION 2-18. Function of dispenser and water dispenser built-in 1. This is function allowing ice and water to come outside without opening door. 2. If pressing the dispenser switch (rubber button) after selecting ice (cube ice, crushed ice) or water, ice and water equivalent to each come out.
  • Page 24 Caution : Since high voltage (160 Vdc) is maintained at the power terminal, wait at least 3 minutes after unplugging the appliance to check the voltages to allow the current to dissipate. Voltage of every part is as follows: Part Voltage 120 Vac 160 Vdc 14 Vdc 12 Vdc 15.5 Vdc 5 Vdc (1) LSC26945TT/ LSC26945SW - 24 -...
  • Page 25 MICOM (IC1). The oscillator (OSC1) must always be replaced with an exact rated part, because if this spec is changes, the time calculations of the MICOM will be affected and it might not work at all. (1) LSC26945TT/ LSC26945SW - 25 -...
  • Page 26 A LOW signal applied to the reset terminal for 10 ms causes the MICOM to reset itself. During normal operation, the voltage at the reset terminal is 5 Vdc. If the reset fails, the MICOM will not operate. (1) LSC26945TT/ LSC26945SW - 26 -...
  • Page 27 MICOM. ✽ In the TEST mode, the fan will stop if any door is opened. It will resume operation when the door is closed. (1) LSC26945TT/ LSC26945SW Frost Removal AC Converting...
  • Page 28 EXPLANATION FOR MICOM CIRCUIT 2. Dispenser operation circuit (1) LSC26945TT/ LSC26945SW 1) Check load driving status WATER VALVE GEARED SOLENOID SOLENOID Type of Load MOTOR CUBE DISPENSER WATER Measuring part IC7-20 IC7-19 IC7-17 IC7-15 Within 1 V Status 12 V...
  • Page 29 EXPLANATION FOR MICOM CIRCUIT 3. Door opening sensing circuit (1) LSC26945TT/ LSC26945SW Measuring part IC1 (MICOM) No. (44, 45) / (45, 46) / (47, 48) Pin Door of Freezer / Refrigerator Closing 5 V ( A - B , C - D . Switch at both ends are at Off status) Opening 0 V ( A - B , C - D .
  • Page 30 EXPLANATION FOR MICOM CIRCUIT 1-5. Temperature sensing circuit (1) LSC26945TT/ LSC26945SW The circuits involving the freezer and refrigerator sensors controls the temperature in both the freezer and the refrigerator. The Icemaker sensor detects when ice is made. The defrost sensor determines both the need for defrosting and the efficiency of the defrost operation.
  • Page 31 EXPLANATION FOR MICOM CIRCUIT 1-6. Switch entry circuit The following circuits are sensing signal form the test switch, damper motor reed switch for testing and diagnosing the refrigerator. (1) LSC26945TT/ LSC26945SW - 31 -...
  • Page 32 EXPLANATION FOR MICOM CIRCUIT 1-7. Option designation circuit (model separation function) (1) LSC26945TT/ LSC26945SW The circuits shown above vary according to which features are included on your particular model. uThese circuits are preset at the factory and cannot be altered.
  • Page 33 EXPLANATION FOR MICOM CIRCUIT 1-8. Stepping motor operation circuit (1) LSC26945TT/ LSC26945SW - 33 -...
  • Page 34 EXPLANATION FOR MICOM CIRCUIT The motor is driven by magnetism formed in the areas of the coils and the stator. Rotation begins when a HIGH signal is applied to MICOM Pin 33 of IC10 (TA7774F). This causes an output of HIGH and LOW signals on MICOM pins 34 and 35. Explanation) The stepping motor is driven by sending signals of 3.33 mSEC via MICOM pins 33, 34, and 35, as shown in the chart below.
  • Page 35 3. This circuit stops the fan motor by cutting off power to the fan when it senses a lock-up condition. a , d part b part e part Motor OFF 2V or less 2V or less Motor ON 2 ~ 3V 12 ~ 14V 8 ~ 16V (1) LSC26945TT/ LSC26945SW - 35 -...
  • Page 36 EXPLANATION FOR MICOM CIRCUIT 1-10. Temperature compensation and temperature compensation circuit 1. Temperature compensation in freezer and refrigerator (1) LSC26945TT/ LSC26945SW Temperature compensation at refrigerator Temperature compensation at freezer Freezer Refrigerator Resistance value Temperature Resistance value Temperature Remarks (RCF1) compensation...
  • Page 37 EXPLANATION FOR MICOM CIRCUIT u Temperature compensation table at the refrigerator is as follows: Modification resistance 470 Ω 2 kΩ 3.3 kΩ 5.6 kΩ 8.2 kΩ 10 kΩ 12 kΩ 18 kΩ 33 kΩ 56 kΩ 180 kΩ Current resistance 0.5 °C 1 °C 1.5 °C...
  • Page 38 EXPLANATION FOR MICOM CIRCUIT 2. Compensation circuit for temperature at freezer (1) LSC26945TT/ LSC26945SW Temperature compensation in CUT JCR1 +1 °C [+1.8 °F] +2 °C [+3.6 °F] JCR2 +1 °C [+1.8 °F] JCR3 -1 °C [-1.8 °F] -2 °C [-3.6 °F] JCR4 -1 °C [-1.8 °F]...
  • Page 39 MICOM of main PCB and LCD (LED) dedicated MICOM for LCD (LED) control of display PCB. Main PCB L/Wire FD/H(4-wires) Display PCB DC 12V Main MICOM LCD(LED) dedicated MICOM Transmission (error status) Reception (notch status) (1) LSC26945TT/ LSC26945SW FILTER DIGITAL CONTROL CUBE EXPRESS FILTER RESET HOLD 3SECS ROOM TEMPERATURE WATER...
  • Page 40 EXPLANATION FOR MICOM CIRCUIT 2) Sensor resistance characteristics table Cold storage sensor 1&2 Measuring Temperature (°C) Freezing Sensor Frost removal sensor, Outside sensor -20 °C 22.3 kΩ 77 kΩ -15 °C 16.9 kΩ 60 kΩ -15 °C 13.0 kΩ 47.3 kΩ -5 °C 10.1 kΩ...
  • Page 41 EXPLANATION FOR MICOM CIRCUIT 1-12. OptiChill stepping MOTOR/Display (1) LSC26945TT/ LSC26945SW 1-13. Jet freezing (1) LSC26945TT/ LSC26945SW - 41 -...

  • Page 42: Pwb Parts Diagram And List

    EXPLANATION FOR MICOM CIRCUIT 2. PWB parts diagram and list 2-1. PWB Assembly, main part diagram (1) LSC26945TT/ LSC26945SW - 42 -...
  • Page 43 EXPLANATION FOR MICOM CIRCUIT 2-2. Parts list (1) LSC26945TT/ LSC26945SW - 43 -...
  • Page 44 EXPLANATION FOR MICOM CIRCUIT - 44 -...
  • Page 45 EXPLANATION FOR MICOM CIRCUIT 2-3. DISPLAY ASSEMBLY part diagram (1) LSC26945TT/ LSC26945SW - 45 -...
  • Page 46 2-4. DISPLAY circuit diagram (1) LSC26945TT/ LSC26945SW - 46 -...

  • Page 47: Pwb Circuit Diagram

    EXPLANATION FOR MICOM CIRCUIT 3. PWB Circuit Diagram may vary according to model. (1) LSC26945TT/ LSC26945SW - 47 -...
  • Page 48 EXPLANATION FOR MICOM CIRCUIT - 48 -...

  • Page 49: Ice Maker And Dispenser Working Principles And Repair

    ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 1. Working Principles 1-1. Ice Maker Working Principles Power Input Initial Control • Level Ice Maker Cube Mould for “Initial Control” after power is input. Ice Making Control • Wait until the water in the cube mould is frozen after ice maker starts operation.

  • Page 50: Function Of Ice Maker

    1. This is to supply water into the ice maker cube mould by operating water valve in the machine room when ice ejection control is completed and ice maker mould is even. 2. The quantity of water supplied is determined by DIP switch and time. <Water Supply Quantity Table> LSC26945TT/ LSC26945SW REMARKS DIP SWITCH SETTING WATER SUPPLY...
  • Page 51 ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 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 52 ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 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 53: Ice Maker Troubleshooting

    ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 3. Ice Maker Troubleshooting * Troubleshooting: it is possible to confirm by pressing freezer and refrigerator temperature control buttons for more than 1 second. (ice maker is normal if all leds are on): refer to trouble diagnposis function in MICOM function 2-8 (page 21) Is DC Power (5V and 12V) Failed DC Power...

  • Page 54: Ice Maker Circuit

    ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 4. Ice Maker Circuits (1) LSC26945TT/ LSC26945SW The above ice maker circuits are applied to GR-L267BV(T)R, GR-L267BV(T)RA, GR-L267BV(T,S)PA and composed of ice maker unit in the freezer and ice maker driving part of main PWB. Water is supplied to the ice maker cube mould through the solenoid relay for ice valve of solenoid valve in the machine room by opening valve for the set time.

  • Page 55: Circuit

    CIRCUIT (1) LSC26945TT/ LSC26945SW 3854JD1125C - 55 -...

  • Page 56: Trouble Diagnosis

    TROUBLE DIAGNOSIS 1. TroubleShooting CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK * Measuring instrument: 1) No power at outlet. 1. Faulty start Multi tester 2) No power on cord. I Check the voltage. Bad connection between adapter and outlet. (faulty adapter) The Inner diameter of adapter.
  • Page 57 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK I Heat a clogged evaporator to 2. No cooling. 2) Refrigeration system is clogged. check it. As soon as the Moisture Residual moisture Air Blowing. Not performed. cracking sound starts, the clogged.
  • Page 58 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 3. Refrigeration 1) Refrigerant Partly leaked. Weld joint leak. is weak. Parts leak. 2) Poor defrosting capacity. I Check visually. Drain path (pipe) clogged. Inject adiabatics into drain Inject through the hose.

  • Page 59: Faults

    TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 3. Refrigeration Residual Weak heat from heater. Sheath Heater - rated. is weak. frost. Heater plate No contact to drain. Loosened stopper cord. Heater cord-L Not touching the evaporator pipe. Location of assembly (top and middle).
  • Page 60 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 3. Refrigeration 4) No cooling air circulation. is weak. Faulty fan motor. Fan is Fan shroud contact. - Clearance. constrained. Damping evaporator contact. Accumulated residual frost. Small cooling air Insufficient Fan overload.
  • Page 61 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 4. Warm 1) Colgged cooling path. refrigerator Adiabatics liquid leak. compartment Foreign materials. –– Adiabatics dump liquid. temperature. 2) Food storate. Store hot food. Store too much at once. Door open. Packages block air flow.
  • Page 62 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 6. Condensation 4) Condensation on door. and ice Condensation on the duct door. - Duct door heater is cut. formation. Condensation on the Recess Heater is cut. dispense recess. Duct door is open. / Foreign material clogging. Condensation on the Not fully filled.
  • Page 63 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 7. Sounds 1) Compressor compartment operating sounds. Transformer sound. Its own fault. –– Core gap. Bad connection. –– Correct screw connection. Drip tray vibration sound. Bad assembly. Distortion. Foreign materials inside. Back cover machine sound.
  • Page 64 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 8. Faulty lamp 1) Lamp problem. Filament blows out. (freezer and Glass is broken. refrigerator 2) Bad lamp assembly. Not inserted. compartment). Loosened by vibration. 3) Bad lamp socket. Disconnection. Bad soldering.
  • Page 65 TROUBLE DIAGNOSIS CLAIMS. CAUSES AND CHECK POINTS. HOW TO CHECK 10. Structure, 1) Door foam. appearance, Sag. Hinge loose Bolt is loosened during and others. transportation. Not tightly fastened. Screw worn out . Weak gasket Adhesion surface. adhesion. Fixed tape. Not well fixed.
  • Page 66 TROUBLE DIAGNOSIS - 66 -...
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  • Page 83: Cooling Cycle Heavy Repair

    TROUBLE DIAGNOSIS 3. Cooling Cycle Heavy Repair 3-1. The Heavy Repair Standards for Refrigerator with R134a Refrigerant Items Unit Standards Purposes Remarks Pipe and piping Min. Pipe:within 1 hour. To protect The opening time should be reduced to a system opening time. Comp:within Moisture half of the standards during rain and...
  • Page 84 TROUBLE DIAGNOSIS 3-2. Summary Of Heavy Repair Process Contents Tools Trouble diagnosis Remove refrigerant - Cut charging pipe ends and discharge refrigerant from Filter, side cutters Residuals drier and compressor. - Use R134a oil and refrigerant for compressor and drier Pipe Cutter, Gas welder, N - Confirm N sealing and packing conditions before use.
  • Page 85 TROUBLE DIAGNOSIS 3-3. Precautions During Heavy Repair Items Precautions 1. Use of tools. 1) Use special parts and tools for R134a. 2. Recovery of refrigerant. 1) Continue to recover the refrigerant for more than 5 minutes after turning the refrigerator off. 2) Install a piercing type valve on the high pressure line (drier side).
  • Page 86 TROUBLE DIAGNOSIS 3-4. Practical Work For Heavy Repair Items Precautions Evaporator 1. Removal of residual Low pressure side refrigerant. KEY POINT Hot Line Compressor Observe the sequence for removal of refrigerant. Drier Suction (If not, compressor oil may leak.) High pressure side Release Condenser Refrigent...
  • Page 87 TROUBLE DIAGNOSIS Items Precautions Evaporator 4. Vacuum degassing. Suction pipe Hot Line Compressor Drier Condenser pressure High Blue pressure Yellow KEY POINT - If power is applied Vaccum Pump during vacuum degassing, vacuum degassing shall be more effective. Pipe Connection - Run the compressor Connect the red hose to the high pressure side and the blue hose to the while charging the...
  • Page 88 TROUBLE DIAGNOSIS Items Precautions Evaporator Hot Line Compressor Drier Condenser Charging Canister 4) Refrigerant Charging Charge refrigerant while operating a compressor as shown above. 5) Pinch the charging pipe with a pinch-off plier after completion of charging. 6) Braze the end of a pinched charging pipe with copper brazer and take a gas leakage test on the welded parts.
  • Page 89 TROUBLE DIAGNOSIS 3-6. Brazing Reference Drawings PIPE ASSEMBLY, HOT LINE (Freezer) Copper Brazer Copper Brazer CAPI - TUBE DRIER ASSEMBLY Copper Silver Brazer Brazer PIPE ASSEMBLY, JOINT PIPE ASSEMBLY, SUCTION Copper Brazer PIPE ASSEMBLY, CONDENSER ASSEMBLY, WIRE JOINT Copper Brazer Silver Brazer Copper Brazer Coppper Brazer...

  • Page 90: How To Deal With Claims

    TROUBLE DIAGNOSIS 4. HOW TO DEAL WITH CLAIMS 4-1. Sound Problems Checks and Measures I Explain general principles of sounds. Hiss sounds • All refrigerators make noises when they run. The compressor and fan produce sounds. There is a fan in the freezer compartment which blows cool air to freezer and refrigerator compartments.
  • Page 91 TROUBLE DIAGNOSIS Problems Checks and Measures I Explain the flow of refrigerant. Sounds of water flowing • When the refrigerator stops, the water flowing sound happens. This sound happens when the liquid or vapor refrigerant flows from the evaporator to compressor. I Explain the characteristics of moving parts.
  • Page 92 TROUBLE DIAGNOSIS 4-2. Measures for Symptoms on Temperature Problems Checks and Measures I Check temperature set in the temperature control knob. Refrigeration is weak. • Refrigerator is generally delivered with the button set at normal use (MID). But customer can adjust the temperature set depending on their habit and taste. If you feel the refrigeration is weak, then set the temperature control button at strong position.
  • Page 93 TROUBLE DIAGNOSIS 4-3. Odor and Frost Problems Checks and Measures I Explain the basic principles of food odor. Odor in the refrigerator compartment. • Each food has its own particular odor. Therefore it is impossible to prevent or avoid food odor completely when food is stored in the completely sealed refrigerator compartment.
  • Page 94 TROUBLE DIAGNOSIS 4-5. Others Problems Checks and Measures I Explain the principles of radiator. The refrigerator case is hot. • The radiator pipes are installed in the refrigerator case and partition plate between the refrigerator and the freezer compartment in order to prevent condensation formation.

  • Page 95: How To Disassemble And Assemble

    HOW TO DISASSEMBLE AND ASSEMBLE 1. DOOR (3) Disconnect upper hinge from the hinge supporter by grasping the front part of upper hinge and lifting up (Hinge Assembly, U) in arrow direction A and pull 1) Remove lower cover and then disconnect water forward in arrow B direction.

  • Page 96: Handle

    HOW TO DISASSEMBLE AND ASSEMBLE 2. HANDLE 1) Aluminum short handle Model (1) Grasp the handle by both hands and hold it upward. - 96 -...

  • Page 97: Fan Shroud Grille

    3. FAN SHROUD GRILLE 4. ICEMAKER ASSEMBLY 1) Loosen two screws after disconnecting a cap screw of a 1. Dispenser Model grille fan (U) with a screwdriver balde. 1) How to disassemble: 2) Disassembly of a grille fan (U) : Pull forward after opening hook at ➝...

  • Page 98: Dispenser

    HOW TO DISASSEMBLE AND ASSEMBLE 5. DISPENSER 4) Loosen four screws with a phillips screwdriver and pull the funnel Assembly to disconnect. 1) Disconnect funnel and button assembly by pulling down and forward. Funnel Assembly Funnel Assembly Button 5) The Duct Cap Assembly can be disconnected if the hold lever connecting screw is loosened with a phillips driver.
  • Page 99 HOW TO DISASSEMBLE AND ASSEMBLE 7) Dispenser Related Parts FRAME ASSEMBLY, DISPLAY COVER, DISPENSER DECO, FRAME DISPLAY PWB(PCB) ASSEMBLY, DISPLAY FUNNEL ASSEMBLY MICRO SWITCH FRAME, FUNNEL 10 LEVER(SWITCH) 11 FUNNEL 12 BUTTON LEVER 13 HOLLDER BUTTON 14 SOLENOID ASSEMBLY 15 SPRING 16 LEVER HOLDER 17 CAP ASSEMBLY, DUCT 18 CAP, DUCT...

  • Page 100: Exploded View

    EXPLODED VIEW FREEZER DOOR PART: LSC26945TT/ LSC26945SW : Optional part 200A 202A 210A 210B 205A 210B 210C 201A 203A - 100 -...
  • Page 101 EXPLODED VIEW REFRIGERATOR DOOR PART: LSC26945TT/ LSC26945SW : Optional part 241A 241C 230A 241B 232A 147B 239A 242B 147A 242C 242A 242D 243A 240A 205A 243A 240A 240C 233A 231A - 101 -...
  • Page 102 EXPLODED VIEW FREEZER COMPARTMENT: LSC26945TT/ LSC26945SW : Optional part 270A 270C 402A 271B 271A 137A 136D 403A 136B 135A 136C 152A 329A 128G 303A 128C 401A 302B 128H 130A 128C 128D 128E 120D 128D 121A 128F 120C 403D 400A 127B...
  • Page 103 EXPLODED VIEW FREEZER COMPARTMENT: LSC26945TT/ LSC26945SW : Optional part 140A 146A 270B 270D 402A 271B 271C 171A 141A 624D 140B 624B 624C 171B 624A 152A 116A 115A 170A 152A 142A 142C 408B 142D 401A 151A 177A 142B 150A 177B 142D...
  • Page 104 EXPLODED VIEW ICE & WATER PART: LSC26945TT/ LSC26945SW : Optional part 625A 618A 616E 616F 616G 616D 623A 627A 404A 619A 612A 620A 612C 612B 600A 610A 607A 611A 602A 611C 605A 611B 604A 611D 601A 603B 603A 404B 614A...
  • Page 105 EXPLODED VIEW MACHINE COMPARTMENT: LSC26945TT/ LSC26945SW : Optional part 502A 101B 406A 407A 303A 407B 500A 303B 304A 101A 303C 502B 313A 316A 300A 310B 307A 307A 328B 317A 328A 301A 327A 317B 104A 306A 308B 309A 309C 305A 403B...
  • Page 106 EXPLODED VIEW DISPENSER PART: LSC26945TT/ LSC26945SW : Optional part 278A 278C 402C 278B 276A 275A 278F 405A 276B 501A 401C 280A 279B 280B 280C 281A 281A - 106 -...
  • Page 107 P/No. 3828JD8797F JUN., 2006 Printed in Korea...

This manual is also suitable for:

Lsc 26945sw

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