LG LFX28968SW Service Manual
LG LFX28968SW Manual
 |
View all LG LFX28968SW manuals
Add to My Manuals
Save this manual to your list of manuals |
LG LFX28968SW manual content summary:
- LG LFX28968SW | Service Manual - Page 1
REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MODEL : LFX28968** COLOR : STAINLESS(ST) SMOOTH BLACK(SB) SUPER WHITE(SW) - LG LFX28968SW | Service Manual - Page 2
INFORMATION ...44-52 12. COMPRESSOR TROUBLESHOOTING ...53-64 13. ICEMAKER OPEARTING AND TROUBLE SHOOTING METHOD 65-68 14. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM 69-72 SAFETY PRECAUTIONS Please read the following instructions before servicing your refrigerator. 1. Unplug the power before - LG LFX28968SW | Service Manual - Page 3
R-134a (140 g) LUBRICATING OIL ISO10 (280 ml) DEFROSTING DEVICE SHEATH HEATER REFRIGERATOR LED Module(24) LAMP FREEZER Bulb Lamp ● DIMENSIONS Description Depth w/ Handles Depth w/o Handles Depth w/o Door Depth (Total with Door Open) Height to Top of Case Height to Top of Door Hinge - LG LFX28968SW | Service Manual - Page 4
2. PARTS IDENTIFICATION 4 1 6 2 5 6 3 1 ADJUSTABLE REFRIGERATOR SHELVING The refrigerator compartment shelves are adjustable to allow flexibility for storage needs. 2 GALLON STORAGE BINS Three interchangeable bins can be arranged to suit your storage needs. 3 REMOVABLE ICE STORAGE BIN The ice - LG LFX28968SW | Service Manual - Page 5
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. Open door. Loosen - LG LFX28968SW | Service Manual - Page 6
3-2 DOOR ● Mullion Removal 1. Remove 2 screws. ● Door Gasket Replacement 1. Insert gasket into channel Press gasket into channels on the four remaining sides of door. Figure 1 2. Lift Mullion up carefully. Figure 2 3. Disconnect wire harness. ● Mullion Replacement 1. Connect wire harness. Figure - LG LFX28968SW | Service Manual - Page 7
or 11/32" wrench. Use the wrench (Included with the User Manual) to adjust the bolt in the door hinge to adjust the height. (CCW to raise or CW to lower the height.) * Ice Fan Scroll Assembly Replacement 1) Remove the plastic guide on the left side, using a phillips screwdriver to remove the screws - LG LFX28968SW | Service Manual - Page 8
Compartment Lamp 1) Release 2 screws. 2) Hold both ends and pull down to remove. 3-6-2 Freezer Compartment Lamp 1. Unplug refrigerator power cord form outlet. 2. Remove screw with driver. 3. Grasp the cover Lamp, pull the cover downward. Figure 14 3) To remove the LED assembly, pull apart - LG LFX28968SW | Service Manual - Page 9
dispenser cover make sure the lead wire does NOT come off and the water line is not pinched by the dispenser. Figure 21 3) Disconnect wire fixing screw. Figure 22 3-9 DISPENSER Case, PCB Figure 298 Display PCB 3-11 ICE BUTTON ASSEMBLY 1) Remove the 1 screw holding the lever. 2) Remove the spring - LG LFX28968SW | Service Manual - Page 10
WATER BUTTON ASSMEBLY 1) Remove screws. 2) Grasp the Button assembly and lift. Button Lever 3-14 ICEMAKER REPLACEMENT 1) Remove 4 screws as shown. Figure 31 3-13 ICE CORNER DOOR REPLACEMENT 1) Loosen the front screw as shown in the picture. 2) Lift up the hinge with one hand. 3) Pull out the Ice - LG LFX28968SW | Service Manual - Page 11
CAUTION: Make sure that the motor housing is taped to the mold, if not positioned correctly the cover will not fit properly. 3-16 CAP DUCT MOTOR REPLACEMENT 1) Separate the Housing of the Cap Duct Motor. Figure 39 2) Unscrew 3 screws to disassemble the motor. Figure 36 Figure 40 3-15 SUB PWB - LG LFX28968SW | Service Manual - Page 12
3-17 HOW TO REMOVE A ICE BIN 1) Grip the handles, as shown. 3-18 HOW TO INSERT A ICE BIN 1) Insert the Ice Bin, slightly tilting to avoid touching the Icemaker. (Especially, Ice-Detecting Sensor) 2) Tilt and lift slightly as shown. Figure 44 Figure 47 3) Remove ice bin slowly. Figure 45 - LG LFX28968SW | Service Manual - Page 13
the freezer door. Step 2) Remove the lower basket. Step 3) Remove the two screws from the guide rails (one from each side). Step 4) Removal of the freezer door is done by lifting clear of the rail support. Fully extend both rails. Step 5) Remove only 1 screw of gearice, and disassemble the bar - LG LFX28968SW | Service Manual - Page 14
supporter cover tv into connector rails, and then screw them. Step 2) ① Assemble a bar and gear ice with screw. ② Push the otherside of the gear to inside of the bar. Step 3) Put gear ice into the guide rail. * Assemble them like as pictures Step 7) Reinstall the two screws into the guide rails ( - LG LFX28968SW | Service Manual - Page 15
3-20 HOW TO REMOVE AND REINSTALL THE HANDLE, FREEZER 3-20-1 Follow Steps to Remove Step 1) Unscrew the screw using wrench. Step 2) Disassemble Decor, Cover. Step 3) While lifting Bracket, Handle, pull the Slider to the direction of the arrow to disassemble. Step 4) Unscrew the screw of the - LG LFX28968SW | Service Manual - Page 16
3-20-2 Follow Steps to Reinstall Step 1) Assemble Stopper, Handle using Wrench. Step 2) After pushing in Bracket, Handle toward the direction of , push in toward , Move it toward the direction of . Step 3) Fix Bracket, Handle with a screw. Step 4) Insert the Slide into the fixed Bracket, Handle - LG LFX28968SW | Service Manual - Page 17
and remove the valve. Housing Figure 65 Assemble in reverse order. Taking care to avoid. 1. Do not to bend the tube during assembly. 2. Press the Water Dispenser button letting water pour out, this checks for any leaks in the tube connection, this may vary depending on the - LG LFX28968SW | Service Manual - Page 18
3-23 Drawer Removal Fully extend the drawer and lift from the front pulling straight out. Figure 66 To install the drawer back into the frame, tilt the front sightly and pushingt back into place. Figure 67 - 18 - - LG LFX28968SW | Service Manual - Page 19
Role The compressor intakes low temperature and low pressure gas from the evaporator of the refrigerator and compresses this gas to Parts may appear physically identical but could have different electrical ratings. Replace parts by part number and model number. Use only approved substitute parts - LG LFX28968SW | Service Manual - Page 20
5. CIRCUIT DIAGRAM LFX28968** - 20 - - LG LFX28968SW | Service Manual - Page 21
Short or Disconnection of Freezer Sensor rS Short or Disconnection of Refrigerator Sensor dS Short or Disconnection of Defrosting Sensor IS Short or disconnection of the sensor about Ice maker (Icing sensor, Ice maker Check each sensor at it's connector. sensor) Short or Disconnection HS - LG LFX28968SW | Service Manual - Page 22
7. PCB PICTURE 7-1 Main PCB ● LFX28978** P/No & MFG EBR74796401 (2012.03~) CON1 CON201 Picture CON2 CON3 CON5 CON7 - 22 - - LG LFX28968SW | Service Manual - Page 23
7-2 Display PCB & Sub PCB P/No Picture Display PCB EBR74852601 (2011.05~) CON103 CON102 CON101 Sub PCB EBR60070707 (2010.02~) CON3 CON1 CON2 CON3 CON1 CON2 - 23 - - LG LFX28968SW | Service Manual - Page 24
8. TROUBLESHOOTING WITH ERROR DISPLAY 8-1 Freezer Sensor Error (Er FS) No on the main PCB Result 0 Ω Short OFF Open Other Normal SVC Action Change the sensor Replace the refrigerator Check the Temp and resistance (Table-1) (1) To (2) Result -22°F / -30°C 40 ㏀ - LG LFX28968SW | Service Manual - Page 25
the main PCB Result & SVC Action Result 0 Ω Short OFF Open Other Normal SVC Action Change the sensor Replace the refrigerator Check the Temp and resistance (Table-2) (1) To (2) Result 23°F / -5°C 38 ㏀ 32°F / 0°C 30 ㏀ 41°F / 5°C 24 ㏀ 50°F / 10°C 19.5 ㏀ 59 - LG LFX28968SW | Service Manual - Page 26
8-3 Icing Sensor Error (Er IS) No Checking flow 1 Check for a loose connection. 2 Check the Blue to Blue. CON101 Result & SVC Action Result 0 Ω Short OFF Open Other Normal SVC Action Change the sensor Replace the refrigerator Check the Temp and resistance (Table-1) - LG LFX28968SW | Service Manual - Page 27
to Brown at CON7 on the main PCB Result 0 Ω Short OFF Open Other Normal SVC Action Change the sensor Replace the refrigerator Check the Temp and resistance (Table-3) (1) To (2) Result 23°F / -5°C 38 ㏀ 32°F / 0°C 30 ㏀ 41°F / 5°C 24 ㏀ 50°F / 10°C 19.5 ㏀ 59 - LG LFX28968SW | Service Manual - Page 28
part. Fuse-M 0 Ω Other Go to the 3 Change Controller Assembly (Position No.400A ) Fust M Def' Sensor 34~42 Ω Go to the 3 Defrost Heater Other Change Controller Assembly (Position No.400A ) Def' Heater Defrost Sensor 0 Ω OFF Go to the 3 Replace product 3 Input Test 3 Mode test mode. - LG LFX28968SW | Service Manual - Page 29
8-6 Freezer Fan Error (Er FF) No Checking flow 1 Reset the unit and Input Test 1 Mode. (Push the button 1 time) Result & SVC Action 2 Open the freezer door and Check the air flow. ※ While an error code is displayed, the fan is not working. Status No windy Windy SVC Action Go to 3 Go to - LG LFX28968SW | Service Manual - Page 30
8-7 Icing Fan Error (Er IF) No Checking flow 1 Reset the unit and Input Test 1 Mode. (Push the button 1 time) 2 Open the refrigerator door and Check the air flow. ※ While an error code is displayed, the fan is not working. 3 Check the Connector. (Frozen caused the PCB short) Result & - LG LFX28968SW | Service Manual - Page 31
8-8 Condenser Fan Error (Er CF) No Checking flow 1 Reset the unit and Input Test 1 Mode. (Push the button 1 time) Result & SVC Action 2 Check the fan rotating. ※ While an error code is displayed, the fan is not working. Status No windy - LG LFX28968SW | Service Manual - Page 32
8-9 Communication Error (Er CO) No Checking flow 1 Check the loose connection. 2 Check the Red to White/Red. CON101 3 Check the Orange to White/Red. CON101 4 Check the White/Black to White/Red. CON101 5 Check the White/Red to - LG LFX28968SW | Service Manual - Page 33
TROUBLESHOOTING WITHOUT ERROR DISPLAY 9-1 Cube mode doesn't work No Checking flow Result & SVC Action 1 Check the loose connection on the Dispenser PCB 2 Check the Black to White on the Dispenser Ice Button Result SVC Action PCB (While pushing the Ice value. Point (1) - LG LFX28968SW | Service Manual - Page 34
mode doesn't work No Checking flow Result & SVC Action 1 Check the loose connection on the Dispenser PCB 2 Check the Skyblue to White on the Dispenser Ice Button Result SVC Action PCB (While pushing the Ice PCB 4 Check the resistance value. Point (1) to (2) (3) to (4) - LG LFX28968SW | Service Manual - Page 35
the 4 Dispenser PCB 4 Check the resistance value. (1) (2) (3) (4) Point (1) to (2) Result 360 ~ 420Ω Other (3) to (4) 360 ~ 420Ω Other SVC Action Explain Replace Pilot Valve Explain Replace Water Valve Machine Room Dispenser Ice Maker In door - 35 - - LG LFX28968SW | Service Manual - Page 36
9-4 Freezer room AC Bulb Lamp doesn't work No Checking flow 1 Check the Freezer door switch. Result & SVC Action If feel sticky, Change the door s/w. 2 Check the door S/W resistance. 3 Check the Yellow/Blue to Sky blue. 4 Check the Blue to Black. Status Normal Push S/W - LG LFX28968SW | Service Manual - Page 37
room lamp doesn't work No Checking flow 1 Check the Refrigerator door switch. Result & SVC Action If feel sticky, Change the door s/w. 2 Check the door S/W resistance. 3 Check the Black to Gray White. 4 Check the Blue - LG LFX28968SW | Service Manual - Page 38
9-6 Poor cooling in Refrigerator room No Checking flow 1 Check R-Sensor resistance. ※ R-Sensor is determined by the temperature. For example, 30㏀ indicates 32°F. 2 Reset the unit and Input Test 1 Mode. (Push the button 1 time) Result & SVC Action Temperature 23°F / -5°C 32°F / 0°C - LG LFX28968SW | Service Manual - Page 39
6 Check the Fan motor. Rotate fan using your hand. Stuck change the motor. (Cause of ice or rust inside of motor) Result & SVC Action Test Damper Mode State 1 Mode Open 2 Mode Closed 1,2 Not mode working SVC Action Damper is normal. (Go to 6) Change the damper Point (1) to (2) (3) to - LG LFX28968SW | Service Manual - Page 40
temperature. For example, 23㏀ indicate -4°F. 2 Reset the unit and Input Test 1 Mode. (Push the button 1 time) Result & SVC Action Temperature -22°F / -30 door and Check the air flow. Status Windy No windy SVC Action Go to the 4 Check the F Fan motor 4 Check the air temperature. Cold or - LG LFX28968SW | Service Manual - Page 41
Action Temperature 23°F / -5°C 32°F / 0°C 41°F / 5°C 50°F / 10°C 59°F / 15°C Result 38 ㏀ 30 ㏀ 24 ㏀ 19.5 ㏀ 16 ㏀ 3 Open Refrigerator room door and Check the air flow. 4 Input Test 2 Mode and Check the air flow. (push the button 1 more time) Status Windy No windy SVC Action Go to the 4 Check - LG LFX28968SW | Service Manual - Page 42
1 time : Comp / Damper / All FAN on (Everything is displayed) * 2 times : Damper closed (22 22 displayed) Main PWB * 3 times : Forced defrost mode (33 33 displayed) 2. How to remove Terminal Position Assurance (TPA) ※ After measure the values, you should put in the TPA again - LG LFX28968SW | Service Manual - Page 43
10-2 TEMPERATRUE CHART - FRZ AND ICING SENSOR TEMP RESISTANCE -39°F (-40°C) 73.29 ㏀ -30°F (-35°C) 53.63 ㏀ -21°F (-30°C) 39.66 ㏀ -13°F (-25°C) 29.62 ㏀ -4°F (-20°C) 22.33 ㏀ 5°F (-15°C) 16.99 ㏀ - LG LFX28968SW | Service Manual - Page 44
10-3 TEMPERATRUE CHART - REF AND DEF SENSOR TEMP RESISTANCE -39°F (-40°C) 225.1 ㏀ -30°F (-35°C) 169.8 ㏀ -21°F (-30°C) 129.3 ㏀ -13°F (-25°C) 99.30 ㏀ -4°F (-20°C) 76.96 ㏀ 5°F (-15°C) 60.13 ㏀ 14°F (-10°C) 47.34 ㏀ 23°F (-5°C) 37.55 ㏀ 32°F (0°C) 30 ㏀ 41°F (5°C) 24.13 ㏀ 50°F (10°C) - LG LFX28968SW | Service Manual - Page 45
10-4 How to check the Fan-Error (1) EBR650027** 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. To determine that there is a fan motor - LG LFX28968SW | Service Manual - Page 46
ohmmeter indicate below 0.1ohm fuse-m is a good condition, But if infinite the part is bad. How to Measure (Sensor) (1) to (2) Set a ohmmeter to is good. When check the ohm at other temperatures Check the sensor manual. Standard Fuse-M (at all temperature) Test Point (1) to (2) Ressult - LG LFX28968SW | Service Manual - Page 47
for defrost. All heating wire is connected to only one line. To check if the part is defective, check the resistance. How to Measure Set a ohmmeter connect to The 2 housing pin. Measure the 2 pin connected to Sheath Heater. If the ohmmeter - LG LFX28968SW | Service Manual - Page 48
11-3 Door Heater Assembly Function The heater is designed to prevent the door from sweating. How to Measure 3 1 2 64 5 7 8 9 Standard Test Point (1) to (2) Ressult 2.3 ~ 2.9Ω - 48 - - LG LFX28968SW | Service Manual - Page 49
Micom. When the door open, internal contact operate on and off moving plunger of door switch up and down. Button (Plunger) 12 34 1 2 34 34 21 Standard Beep Beep Check the resistance between connectors 1, 2 and 3, 4 .It means check whether or not - LG LFX28968SW | Service Manual - Page 50
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 (1) (2) Dispensor DC Motor Standard Dispenser DC Motor Test Points (1) to (2) Result 9.9 ~ 12.1Ω - 50 - - LG LFX28968SW | Service Manual - Page 51
11-6 AC Motor ASSEMBLY Function The motor in the door pushed the ice into the dispenser. How to Measure < In-door Motor > 1 Separate the housing. < In-door Motor > 1 Separate the housing. 2 Measure the resistance between (1) and (2) 2 Measure the - LG LFX28968SW | Service Manual - Page 52
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 - LG LFX28968SW | Service Manual - Page 53
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 (1) (2) (3) (4) Check the resistance between connector of housing and connector - LG LFX28968SW | Service Manual - Page 54
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 Standard Flow Sensor (in machine room) Test Points Result Red wire to Black wire 4 ~ 30 kΩ - 54 - - LG LFX28968SW | Service Manual - Page 55
Test Mode Ref. TEST1 Forced Starting Comp FLA075(A-Inverter) TDC (Full Stroke) Display & sound Display ON, Buzz 1 time Troubleshooting Refer Not Comp. N Work? Harness Y Check? Y N Fix Harness Heavy Repair Y Refrigerant N leak? Recheck Comp. N Check? Reset LED blink6 Comp. N Work? - LG LFX28968SW | Service Manual - Page 56
from IPM Multi Tester A-Inverter - In order to determine whether the compressor is operating normally, check the output voltage during the refrigeration cycle. - After initial power-up, when the compressor begins to operate, wait 10 minutes before checking. - The compressor is operating normally - LG LFX28968SW | Service Manual - Page 57
compressor works intermittently and LED blinks - Cause: Condenser Fan or Freezer Fan is not running. Sealed system problem such as moisture restriction, restriction at capillary tube or refrigerant leak. - Logic: Compressor is forced to off and then tries to restart after 1 minute. Protection logic - LG LFX28968SW | Service Manual - Page 58
Blink Blink Blink OFF - Purpose: Prevent over-current (overload protect) - Cause: Ambient temperature is high (over 43°C) and/or refrigerator's condenser air movement is restricted. - Condenser Fan is stopped, restricted discharge line, compressor is damaged, or IPM device is defective. - Logic - LG LFX28968SW | Service Manual - Page 59
B5. LED blinks seven times, then repeats (IPM Fault) 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. - LG LFX28968SW | Service Manual - Page 60
N Y Check Compressor terminals Harness Problem Caution : Turn off power during check C - Measure the resistance at each point except point C - Dead short check: measure the resistance between power line in compressor and earth ground in refrigerator (Inf. Ohm) TMesutletir Multi Tester - LG LFX28968SW | Service Manual - Page 61
is because condenser cannot condense the air that is trapped in the condenser. The high side pressure and temperature will not mimic the low side pressures and temperatures. → Customer complains of longer run times and poor cooling performance. → Lack of refrigerant can, in some incidents, cause - LG LFX28968SW | Service Manual - Page 62
Compressor Troubleshooting WARNING HIGH VOLTAGE Step 1) Open PWB cover Step 2) Check for blinking frequency of LED, PWB LED Lamp 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 - 62 - - LG LFX28968SW | Service Manual - Page 63
repetiton (Piston Lock Trip) 2 ● ● on - on - on - on - on - off - on - on - on - on - on - off ● ● repeating Cause Service guideline 1. Please check, Whether PCB Parts defect or Compress or Connector miss connecting (Piston over run) connector of compressor is attached rightly or not. after - LG LFX28968SW | Service Manual - Page 64
SERVICE DIAGNOSIS CHART COMPLAINT No Cooling. Cools poorly. Food in the Refrigerator is frozen. Condensation or ice forms inside the unit. Condensation forms in the Exterior Case. There is abnormal noise. Door does not close well. Ice the high-temperature section. (front part) • Set the control to - LG LFX28968SW | Service Manual - Page 65
not heard and there is no frost. Equal to ambient temperature. • Low pressure at high side of compressor due to low refrigerant level. • No pressure in the high pressure part of the compressor. 12-6-1 Cleaning There is no need for routine condenser cleaning in normal Home operating environments - LG LFX28968SW | Service Manual - Page 66
Cooling" Complaint All components operating, No airflow problems, Not frosted up as a defrost problem problem has been isolated to sealed system area Partial Condenser Temperature Hotter than Normal Faint Cap Tube Sound Room Temperature Air/Low Side Leak Trace of Oil Yes None to Weak Loss of - LG LFX28968SW | Service Manual - Page 67
13. ICEMAKER OPERATING METHOD AND TROUBLE SHOOTING 13-1 Icemaker's Basic Operating Method Power On Start Position Icemaking Mode Full Ice Check Full Ice? • Adjusts Ice Tray to Start Position with power on. • Waits until water becomes ice. ※For cold air circulation, Ice tray will be on a slightly - LG LFX28968SW | Service Manual - Page 68
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 - LG LFX28968SW | Service Manual - Page 69
-detecting sensor is working normally. Icemaker Unit Ice-detecting sensor Fill Key 1st STEP (Icemaker Unit Diagnosis) Press the fill key for about 3sec. If the icemaker runs 2 stages of harvest and filling water step by step, It means icemaker's mechanism is normal. ※ Caution : Be sure that the - LG LFX28968SW | Service Manual - Page 70
warm air could get into the compartment and make ices get stuck. Replace the cap duct with new one. - In-door geared motor doesn't work → Resolution : Change the in-door geared motor and test it. - The water comes out of fill cup and the water get into the ice bin. → Resolution : The water pressure - LG LFX28968SW | Service Manual - Page 71
setting is °F and the display temperature mode can be changed from °F to °C or °C to °F by pressing and holding the FRZ TEMP and the REF TEMP keys at the same time for over 5 seconds. 14-1-3 Lock function (dispenser and display button lock) 1. When the refrigerator is first turned on, the buttons - LG LFX28968SW | Service Manual - Page 72
you must exchange the filter. 4. After replacing the filter, press and hold the Light/Filter button for more than 3 seconds. After then water Filter icon turn off with reset status. Classification In initial Power On / Filter RESET Filter Status Display 14-1-5 Ice Plus selection 1. Please select - LG LFX28968SW | Service Manual - Page 73
at the lowest temperature. 14-1-11 How to set the display mode and cancel it 1. With the refrigerator door open, keep pressing the Refrigerator Temp Button and ICE PLUS Button more than 5 seconds, then it goes to the display mode with Special Beep Sound With Special Beep Sound. 2. Perform the same - LG LFX28968SW | Service Manual - Page 74
1 hours, the defrost mode is malfunctioning. (Refer to the defect diagnosis function, 8-1-15.) 4. Defrosting won't function if its sensor is defective (wires are cut or short circuited) 14-1-13 Defect Diagnosis Function 1. Automatic diagnosis makes servicing the refrigerator easy. 2. When a defect - LG LFX28968SW | Service Manual - Page 75
15. EXPLODED VIEW & REPLACEMENT PARTS LIST CASE PARTS CAUTION: Use the part number to order part, not the position number. 603E 603C 626A 624E 624G 624C 501F S01 103A S01 103B S03 207A S03 207B 402A 624A 610F 500P 271B B01 - LG LFX28968SW | Service Manual - Page 76
'3&&;&31"354 $"65*0/6TFUIFQBSUOVNCFSUPPSEFSQBSU OPUUIFQPTJUJPOOVNCFS 133B 131A 133B 145F 133B 145C 136B 133A 132P 136C 237C 136A - LG LFX28968SW | Service Manual - Page 77
REFRIGERATOR PARTS 141A CAUTION: Use the part number to order part, not the position number. 141A 141C 141E 140A 141B 141E 141A 142D 142B 142A 141E 141C 141B 141C 141B 151A 161C 161A 162A 141D 154A 161B 151B 145D 162B - LG LFX28968SW | Service Manual - Page 78
CAUTION: Use the part number to order part, not the position number. 231B 233B B06 235A 241K 241K 241G 241D 233A 231A 212G B06 243C 262C 243B 312B B06 244A 267A 615A 619B - LG LFX28968SW | Service Manual - Page 79
DISPENSER PARTS CAUTION: Use the part number to order part, not the position number. 276F 276G 275A 405A 276B 276A 279A 279H 279J 402C 279I 278D 278C 501D 279B 279D 500C 279E 501A 279C 281B 281A - LG LFX28968SW | Service Manual - Page 80
VALVE & WATER TUBE PARTS CAUTION: Use the part number to order part, not the position number. 617A 616G 625A 616G 623B 616J 623B 616J 603C 616H 616F 627B 627A 619A 603B - LG LFX28968SW | Service Manual - Page 81
ICE MAKER & ICE BIN PARTS LFX28978** CAUTION: Use the part number to order part, not the position number. 630J 630J 612A 606A 600A 607A 611A 630C 630F 630B 630A 630E 630Q 630D 630H 630G - LG LFX28968SW | Service Manual - Page 82
MFL62188073 AUGUST. 2011 Printed in Korea
-
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
 |
 |
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MODEL : LFX28968**
COLOR : STAINLESS(ST)
SMOOTH BLACK(SB)
SUPER WHITE(SW)
REFRIGERATOR
SERVICE MANUAL