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LFD21860

1. T Es on Be 9 L amp soqt ul ICI gt MICOM 8 14 CO 1 8 B 1 20 Em 3 3 ep D FRENCH DEFROSTING WATER LAMP F LOAD HEATER LAMP R VALVENALVE2 DOOR HEATER Measurement Location IC6 16 NO 11 NO 12 13 14 15 1V or below Condition OFF 12V 2 Fan motor driving circuit freezer compartment fan 1 This circuit makes standby power 0 by cutting off power supplied to ISs inside of the fan motor in the fan motor OFF 2 This is a circuit to perform a temporary change of speed for the fan motor and applies DC voltage up to 7 5V 16V to motor 3 This circuit prevents over driving the fan motor by cutting off power applied to the fan motor in the lock of fan motor by sensing the operation RPM of the fan motor a part 5 part c part MOTOR OFF 2V or less oV 5V MOTOR ON 13V 15V OV 2V 3V Ne CON4 amp in 7 tj 1 MICOM i c 3 30 a 2 Open Door Detection Circuit Check NT g i ce L 6 B CON7 R38 MICOM Ple 37 23 7
2. F DOOR S W R DOOR S W Measurement 5 Location PIN NO 30 amp PIN NO 27 Closed 5V Open 31 8 2 5 Temperature Sensor Circuit 2 Pel 24 223 E P63 10 T iit g 750 ae 8 J T 7 FOV CON7 26 RI7e B 5 T h 6 F SENSOR R SENSOR D SENSOR RT SENSOR The upper circuit reads refrigerator temperature freezer temperature and defrost sensor temperature for defrosting and the indoor temperature for compensating for the surrounding temperature into MICOM Opening or short state of each temperature sensor are as follows SENSOR CHECK POINT NORMAL 30 C 50 C SHORT CIRCUITED OPEN Freezer sensor POINT A Voltage Refrigerator sensor POINT B Voltage Defrosting sensor POINT Voltage Room Temperature sensor POINT D Voltage 8 2 6 Refrigeration Compartment Stepping Motor Damper Circuit The circuit shown below is the damper circuit to regulate the refrigerator temperature 1 Ice 9 16 7774 5 1 2 STEPPING MOTOR CEIO MICOM im imo 5 J 3 8 33 5 34 3 4 5 7 10 PI3 12 13 32 s u m 01
3. M E 4 Roc HE RY4 B 2 8 WATER VALVE 4 ox 3 I CON3 5 FRENCH DOOR he HEATER G VALVE II osci pen B r Ci Ji LT 20 TEMP COMPENSATION REPLACING4RCRI 2 a 8 8 NOTE 2 x 2 5C wag m SEKI 1 5 IBkJ HC RS 120 0 5C oc FACTORY B 2KJ 0 5 RCRI 5 6 rc 3 LSC XJ ZC 470 2 5 1 2 3 4 5 8 15 16 29 4 P07 Po2 XIN XOUT 39 TOSHIBA TMP87CH46N ICI 7 PII im PIO 2 ga R Kansi p B 4 m mm 6 300 ve 5 Bue WX v GA 4 2 Fare 6 7 RE AJ R 3 a 4 I L Q 51 4 m 6 2 2 6 206 1 ar 23 5 L 21 59 F SENSOR a FRI POV 24 R24 25 0 exo 25 B R SENSOR FD 9 5 1 2 25 KF 8 4 D SENSOR T 2 Ed AN
4. 8 3 RESISTANCE SPECIFICATION OF SENSOR TEMPERATURE TUI SENSOR DEFROST SENSOR amp ROOM SENSOR 20 C 22 3 KO 77 KQ 15 C 16 9 KQ 60 KQ 10 C 13 0 KQ 47 3 KQ 5 C 10 1 KQ 38 4 KQ 0 C 7 8 KQ 30 KO 5 C 6 2 KQ 24 1 KQ 10 C 4 9 19 5 15 3 9 15 9 20 3 1 13 25 2 5 11 KO 30 2 0 8 9 40 6 1 4 6 2 50 0 8 4 3 KQ The resistance of the SENSOR has 5 tolerance Measure the resistance of the SENSOR after leaving it for over 3 minutes in the measuring temperature This delay is necessary due to sensor response speed 33 8 4 TROUBLESHOOTING PROBLEM INDICATED BY CHECK CHECKING METHOD CAUSE SOLUTION Power source 1 The whole DISPLAY 1 FREEZER Check if freezer or Power source is poor Check outlet voltage iS poor LED SEVEN SEGMENT REFRIGERATOR refrigerator door is open DISPLAY is off and check display 2 DISPLAY LED 2 If lamp is dim Check visually Applied voltage error Use boosting transformer SEVEN SEGMENT 3 The connection of Check connection of connector connection Reconnect connector DISPLAY operates the main PWB connector is poor abnormally connector Transformer fuse is open Replace transformer Cooling is poor No cooling 1 If the compressor Use Test 1 Compressor locked or Replace compressor operates forced cooling bloc
5. 7 Pm 30 6 m 9 6 _ TATT 2 5 LA 2 w STEPPING 3 3 6 B 45 0 34 3 25 4 4 CON7 3 iz L 30 i 2 R DOOR S W A Bia N 40 Fle e 3 oo cone L 20 1 4 25 m or 5 aon cor z gt Ld A 6 1 36 Px lt m 27 L i gt 4 s 5 atl E 2 lU 312 gt hie 8 es PWB ASSY 40 CAUTION Use the part number to order part not the position number 9 EXPLODED VIEW amp REPLACEMENT PARTS LIST CASE PARTS 9 8 LA 2 Ws Ws CAUTION Use the part number to order part not the position number DOOR PARTS SAN ENF T gt al 18 22 4 ad A4 on some models A Only for the service CAUTION Use the part number to order part not the position number WATER AND ICEMAKER PARTS SN 45 LG Electronics Inc P No 3828JD8990F APR 2006 Printed in Korea
6. BE PUSHED IN TO RELEASE THE GEAR 4 4 ow ww Y 3 3 2 FOLLOW STEPS TO REINSTALL Step 1 Reinstall the right side gear into the clip 4 al a ah ah a wv Step 2 Insert the rail into the right side gear Gears do not Step 3 Insert the rail into the left side gear and insert the need to be perpendicular to each other gear into the clip k Step 4 The rail system will align itself by pushing the rails Step 5 Reinstall the freezer door by inserting the rail tabs all the way into the freezer section into the guide rail Pull the rails back out to full extension rm f _ _ _ TTT 2 Step 6 Reinstall the two screws into the guide rails Step 7 Reinstall the lower basket and close the freezer one from each side door 3 3 3 PULL OUT DRAWER To separate the drawer push the front left and right hooks in direction to pull up and remove Then gently lift the gear part of rear left and right side of the drawer and pull it out in direction To install reposition the gear part of rear left and right side of the drawer after pulling out both rails as much as possible and gently push down both left and right side while checking the hook on the front part 4 MM ay 4 ADJUSTMENT 4 1 COMPRESSOR 4 1 1 Role The compressor intakes low temperature and low pressure gas from the evaporator of
7. HEATER DOOR FINISH PCM VCM Stainless REFRIGERATOR 60 W 2 EA LAMP HANDLE TYPE Bar FREEZER 60 W 1 EA INNER CASE ABS Resin INSULATION Polyurethane Foam DIMENSIONS T _ H G E T 1 Co Lit lt 1 4 E Description LFD21860 LFD25860 Depth w Handles A 30 in 34 1 4 in Depth w o Handles B 27 1 2 in 31 3 4 in Depth w o Door 23 5 8 27 7 8 in Depth Total with Door Open D 42 1 4 in 46 1 2 in Height to Top of Case E 68 3 8 in 68 3 8 in Height to Top of Door Hinge F 69 3 4 in 69 3 4 in Width G 35 3 4 in 35 3 4 in Width door open 90 deg w o handle H 39 1 4 in 39 1 4 in Width door open 90 deg w handle 44 1 4 in 44 1 4 in 2 PARTS IDENTIFICATION Digital Sensor Control Refrigerator Light Shelves Modular Door Bin Optibin Crisper Keeps fruits and vegetable fresh and crisp Glide N Serve Customcube Icemaker Ice Bin Durabase Divider Dairy Bin Egg Box Modular Door Bin Bottle Holder Modular Door Bin Pullout Drawer Tilt Out Door Basket Tilting LFC25860 Only 3 DISASSEMBLY 3 1 DOOR e Refrigerator door 1 Remove the top hinge cover and disconnect the wire harness 2 Remove the ground screw 3 Rotate the lever hinge and lift off hinge 4 Lift off the refrige
8. OCEIOSEK638 CAPACITOR FIXED ELECTROLYTIC KME RG YX SOV 0 2 TP 5 YXA SMI SAM WHA ABY BS G LUXON CEIO 32 CAPACITOR FIXED ELECTROLYTIC JOUF 5 50 20 F5 TP 5 RG YXA SM SAM WHA AIV 2HI5 G LUXON CE6 CE9 33 0 2278 638 CAPACITOR FIXED ELECTROLYTIC 2200 KME 6 20 FMS 5 IRG YXA SMI SAM WHA AISV2UIZ G LUXON CES 34 1 ELECTROLYTIC 2200 KME RG 25V 20 5 YXA SMI SAM WHA A9V Eu G LUXON 35 CAPACITOR FIXED ELECTROLYTIC GBOUF_KME RG 259 20 FMS TP 5 __ SAM WHA Mel zup G LUXON 2 2288 38 CAPACITOR FIXED ELECTROLYTIC 2AF KME SOV 20 TP 5 SAM WHA 2 37 0 4767 6 0 CAPACITOR FIXED ELECTROLYTIC 4 450V 20 BULK SNAP IN IKLT MXC HN SAM WHA Mel EE G LUXON CEI 38 CAPACITOR FIXED ELECTROLYTIC IGBDUF RX 25 20 BULK SNAP IN IKXL YXG LUI SAM WHA AlS UI2 G LUXON 38 7 8 CAPACITOR FIXED ELECTROLYTIC RX 20 TP 5 FL IKXL YXG LUI SAM WHA 6 10 CE4 40 OCKIOZDKO6A CAPACITOR FIXED CERAMIC HIGH DIELECTRIC INF 2012 50V 80 20 R TP XR CCI7 CC20 43 00K22102510 CAPACITOR FIXED CERAMIC High dielectric 2202 5 SAM WHA ZHONG MING 2 45 223 CAPACITOR FIXED CERAMIC HIGH DIELECTRIC 22NF 2012 SOV 807 20 R TP XR 08 09 001 16 6 18
9. higher power is applied the inside elements are short circuited and broken resulting in blowout of the fuse in order to protect the elements of the secondary part of the TRANSFORMER 28 8 2 2 Oscillation Circuit 19 5 1 XIN CSTSO400MGO3 x C 1 Mss Te 20 77 XOUT MICOM This circuit generates the base clock for calculating time and the synchro clock for transmitting data from and to the inside logic elements of the IC1 MICOM Be sure to use specified replacement parts since calculating time by the IC1 may be changed If changed the OSC1 SPEC will not work 8 2 3 Reset Circuit IC7 848 1 KIA7042 667 eset C BN MICOM 4 7KJ The RESET circuit allows all the functions to start at the initial conditions by initializing various parts including the RAM inside the MICOM IC1 when the power is initially supplied or the power supply to the MICOM is restored after a momentary power failure For the initial 10ms of power supply LOW voltage is applied to the MICOM RESET terminal During a normal operation 5V is applied to the RESET terminal If a malfunction occurs in the RESET IC the MICOM will not operate 29 8 2 4 Load Buzzer Drive amp Open Door Detection Circuit 1 Load Drive Condition Check
10. or when moved 5 3 Power in0 5sec Defrosting ini0sec Defrost heater 5 Temperature of defrosting ON gt heaterON OFF o sensor is lower than 45 C during power outages or for service 0 5 Compressor 105 sec Freezer fan ON gt ON Reset to normal operation Total load in7min Compressor ino5sec Freezer fan from test mode OFF gt ON gt ON 25 8 1 10 Defect Diagnosis Function 1 Automatic diagnosis makes servicing the refrigerator easy 2 When a defect occurs the buttons will not operate but the tones such as ding will sound 3 When the defect CODE removes the sign it returns to normal operation RESET 4 The defect CODE shows on the refrigerator and freezer display ROOMTEMPERATURE MONTH HOLD 3SECS pa ee OF L Error Code Error Code ERROR CODE on display panel ERROR CODE NO ITEM CONTENTS REMARKS Cut or short circuit wire Cut or short circuit wire Cut or short circuit wire H FF CF ER Failure of freezer Er sensor 2 Failure of Er Refrigerator sensor Failure of defrost Er sensor Failure of Room x TN Bes NOTE 1 Gut ud bt Pete When defrost sensor doesn t reach 46 F 8 C within 1 hour after starting defrost Failure of defrost mode Failure of BLDC Fan Motor at Freezing Compartment If there is no fan moto
11. 19 46 00K4710K519 CAPACITOR FIXED CERAMIC High dielectric 470PF 50 K B 52 SAM WHA 48 0 4731 470 CAPACITOR FIXED FILM 0 04 D 630V 0 05 BULK WPP PILKOR OG 49 000474186570 CAPACITOR FIXED FILM 0 47UF D 275V 20 MPP R SAM WHA Cul 50 OLRIOOIM FO INDUCTOR RADIAL LEAD TOOOUH 20 R 6 12 5 BULK TNC 1342 55 ORDSG03H609 RESISTOR FIXED CARBON FILM OFM 172 W 5 2 SMART R2 6i 080025672 RESISTOR METAL GLAZEDICHIPT MOM 178 W 5 2012 R TP ROH R3 66 __ 4720622 FESISTOR METAL GLAZEDICHIPT 47 178 W 5 202 R TP FS 67 ___ RESISTOR FIXED CARBON FILM 1 5K OHM 1 2 5 2 SMART 32 44 08 240 472 RESISTOR METAL GLAZEDICHIPT 2 4K OFM 1 8 W T 2012 FVTP ROM R2 70 08 6800 72 RESISTOR METAL_GLAZEDICHIPI 680 OM 178 57 2012 RTP R 5 71 05068016609 RESISTOR FIXED CARBON FILM 6 8K OHM 174 W 5 52 72 0R GIOIE472 RESISTOR METAL GLAZEDICHIPT OFM 1 8 W 17 2012 R TP RON RI 74 086225409 RESISTOR FIXED METAL FILM 16 2 1 4 W 1 00 52 SMART 4 5 09025125409 RESISTOR FIXED METAL 26 4 W Oz VVV TM RU ____________ 77 0850101609 RESISTOR FIXED METAL OXIDE FILM T OHM I W 57 52 SMART ROCP 79 _ORSSE02K64T RESISTOR FIXED METAL OXIDE FILM OFM 2 W 5 00 20 SMART 80 0753303609 RESISTOR FIXED METAL OXIDE FILM OHM T W 5 00 2 SMART RI ai OTRSISBOSAB 03 05 TS E106 NA Com 82 OTRKEOOOOBA TRAN
12. A 4 0 7 0 5 T R 50 16 207 R TP SMD 50 47UF_MV_25V_ 20 R TP SMD SMD CAPACITOR FIXED CERAMIC 2 50V 804 204 R TP 101 108 CAPACITOR FIXED CERAMIC H 50V _80 20 R TP 109 113 DIODE RECTIFIERS ROM R TP 50123 400V IA 20A SEC IOMA 101 106 ISTOR METAL GLAZED 5 2012 R TP RIO2 106 125 129 01 109 RIO3 104 110 8108 RIOS RI30 134 RIO7 RII3 22 RI23 124 5 5101 5805 ORJ470IE672 ORJI502E672 ORJI004E672 ORJ470IE672 geg egg Gasket sponge color WHITE H 3 0T SWIOI SWIOS RLZ ROHM R TP LLDSILL 34 SOOMW 5 6V 20 ZDIOI OFM 1 8 W 5 2012 R TP BM 20B BUJEON PIEZO 4KHZ 8508 BUZZER 19 213 G6C ANIP2B 3T NI N2 Rank 1101 155 1201 249 19 213 66 2 NI N2 Rank 37 139 58 eene e 38 8 6 PWB DIAGRAM 8 6 1 PWB Main Assembly ICE MAKER ale 12 218 0 54 FUI 2507 22 ale VAI LI Bic 223 tj mm o 219 9 ean 7 B
13. ACITOR PART FRONT HEATER oc 5 5 lt lt ui X I al o o 9 SHEATH HEATER ICE MAKER MOTOR PWB PCB ASSEMBLY ICE MAKER ICE MAKER PART PLUG MAKER PART CAPACITOR PART DISPENSER PART WATER VALVE PART AND COMP EARTH PART ON CIRCUIT DIAGRAM ARE SUBJECT TO CHANGE IN DIFFERENT LOCALITIES AND MODEL TYPE BK BLACK BN BROWN RD RED BO BRIGHT ORANGE YL YELLOW GN GREEN WH WHITE GY GRAY PR PURPLE SB SKY BLUE BL BLUE 12 6 TROUBLESHOOTING 6 1 COMPRESSOR AND ELECTRIC COMPONENTS S Remove PTC Starter Rated voltage YES from compressor 10 measure voltage between terminal C of compressor and terminal 5 or 6 of PTC YES No voltage OLP disconnected Replace OLP NO Check connection condition Reconnect Applied voltage isn t Advise customer that in acceptable range power supply needs to be 115V 10 checked by an electrician Check resistance between M C S C and M S in motor compressor Check resistance of motor compressor Open or short Replace compressor Refer to page 12 Check resistance of PTC Starter Check resistance of two terminals in PTC Starter Check OLP Check resistance of two terminals in OLP Refer to page 12 The range of resistance is between 1 50Q ok Check the power supply Y
14. AR 7 EK SV REFORM CHANGJIANG T 7 7042 ZK TP 4 2 RESET 17 18 TC DRAWING TATT74AP_16 SDIP DRIVE IC STEPPING MOTOR TOSHIBA 8 B RELAY ALEIEBIZ 250 T2VDC TA NO VENTING MATSUSHITA G5 5 TA NT 250VAC 16A 2 NO VENTING WRON DHIU 250VAC TZVUC VENTING METI 20 RELAY GEN TA OMRON 250 TZVDC JAPAN 5 GENE TA ETCHINAT OMRON 250 TAC NO VENTING RON GEREI TA ETJAPAN OMRON 250 12 0 VENTING WRON PCJ TIZDSWATICHINAT 250 TZVDC NO VENTING roo ALDIIZTJAPANT 250VAC TZVDC NO VENTING MATSOSATA 2 MATSUSHITA 250 12106 NO VENTING MATSUSHITA IA V 20 RELAY A AAA ARA TID NO VENTING URON RY2 RY4 GENE TA ETJAPAN OMRON 250 TZVDC NO VENTING RON 24 RESONATOR CERAMIC CSTLS4MOOG53 AO MURATA 4 00MHZ 0 5 TA i 25 5 0285 007 VARISTOR RADZIK Ceg VAT 27 __ DIODE RECTIFIERS D3GBAGO EK SHINDENGEN GOOV 4A BOA 100 SHINDENGEN EDI 28 000400409AC DIODE RECTIFIERS RECTIN4004 TP DELTA 07 29 ODRIO7009AA DIODE RECTIFIERS FRIO7 RECTRON 0041 1000 30A SOONSEC DELTA DI 02 05 06 08 09 30 ODRSAO0070A DIODE RECTIFIERS RL2 SANKEN EK NON 400V 2 40A IOUA SANKEN 03 04
15. ATER REMARKS Five seconds after heater starts heater will go off if temperature recorded by sensor is 50 F 10 C or lever is in up position Five seconds after heater starts you can confirm that motor is moving HALL IC detection of position You can confirm hall ic detection of position Two seconds after detection of initial position you can confirm that valve is on HALL IC II detection of full filled Ice TEST mode 7 3 DEFECT DIAGNOSIS FUNCTION Mark previous status on You can check whether the Hall IC is sensing a full ice condition If there is a full filled error the fifth stage would not be progressed Five seconds after fifth stage is completed the icemaker resets to initial status 7 3 1 ERROR CODE on water supply control panel at Ice Maker ITEM ERROR CODE CONTENTS REMARKS Mark time to Normal supply Display switch None operates properly Ice Making Sensor malfunction Open or short circuited wire Make sure that the wire on each sensor is connected ERROR indicators in table can be checked only on TEST mode 8 DESCRIPTION OF FUNCTION amp CIRCUIT OF MICOM 8 1 FUNCTION 8 1 1 Function 1 When the appliance is plugged in it defaults to 37 F for the refrigerator and O F for the freezer You can adjust the refrigerator and the freezer control tempe
16. ES under load Compressor attempting to re start after being off for 5 minutes Check starting state Supply Did voltage rating with 10 start 212 compressor YES Compressor is OK Replace the compressor it 6 2 PTC AND OLP Observation value is 115V 60Hz 6 80 30 Normal operation of compressor is impossible or poor Separate PTC Starter from compressor and measure resistance between No 5 and 6 of PTC Starter with a tester Figure 19 Replace PTC Starter The resistance value is 0Q short or open Shows continuity Separate OLP from compressor and check resistance value between two terminals of OLP with a tester Figure 20 Check another electric component Replace OLP Figure 20 14 6 3 OTHER ELECTRICAL COMPONENTS V Not cooling at all Compressor doesn t run gt Poor cooling performance Check for open short or incorrect resistance readings in the following components a Starting devices Short open or broken Poor contact or shorted c Compressor coil gt Coil open or shorted b OLP d Wiring harness Poor contact E Replace or shorted indicated component Compressor runs poorly Check starting
17. FRIGERATION CYCLE V Troubleshooting Chart STATE OF STATE OF THE THE UNIT EVAPORATOR OF THE LS COMPRESSOR PARTIAL Freezer Low flowing sound of A little higher Refrigerant level is low due LEAKAGE compartment and refrigerant is heard and than ambient to a leak refrigerator don t frost forms in inlet only temperature Normal cooling is possible by In cool normally restoring the normal amount of 2 refrigerant and repairing the leak gt COMPLETE Freezer Flowing sound of refrigerant Equal to ambient No discharging of refrigerant LEAKAGE compartment and is not heard and frost isn t temperature Normal cooling is possible by refrigerator don t formed restoring the normal amount of cool normally refrigerant and repairing the leak PARTIAL Freezer Flowing sound of refrigerant A little higher e Normal discharging of the CLOG compartment and is heard and frost forms than ambient refrigerant o refrigerator don t in inlet only temperature The capillary tube is faulty m cool normally o lt WHOLE Freezer Flowing sound of refrigerant Equal to ambient Normal discharging of the CLOG compartment and is not heard and frost isn t temperature refrigerant 9 refrigerator don t cool formed MOISTURE Cooling operation Flowing sound of refrigerant Lower than Cooling operation restarts CLOG stops periodically is not heard and frost melts
18. Freezer fan OFF LOCK KEY at the same time 2 Stepping DAMPER CLOSE Reset if the Temperature of TEST3 over 5 seconds in TEST MODE 2 3 Defrosting HEATER ON the Defrosting Sensor is Demonstration Display MODE 1 To enter this mode raise either the Refrigerator or Freezer temperature to its highest setting Then press and hold WARMER Key for 5 seconds 2 The LED panels will display OFF to indicate that the compressor circulating fan damper and defrost heater are not operating 3 The open door alarm and the lamp auto off feature will work normally and can be demonstrated 4 To reset to normal operation press and hold either WARMER key for about 5 seconds 27 8 2 PCB FUNCTION 8 2 1 Power Circuit BDI 1 24 3 RI FUSEI 250 2 ICI 3 usw CONI INAC STR r 4 VDD 7805 T 42 Varef 9 gt 104 104 76 104 e 21 vss Vass TEST The secondary part of the TRANSFORMER is composed of the power supply for the display the BLDC FAN Motor drive 15 5 V the relay drive 12 Vdc and the MICOM and IC 5 Vdc The voltage for each part is as follows PART VA 1 4 5 VOLTAGE 115 Vac 12 Vdc 15 5 Vdc 5V VA1 is a part for preventing over voltage and noise When 385V or
19. Fuse 250V 2A 36 8 5 2 Replacement Parts List PAD DESCRIPTION SPEC REMARK 6870 88235 PIBIPCHI EEST ERAVO PJT 11 6 2 5170820128 TRANSFORMER COLL T DL PJT 2 948 20N TRANS 4 CONNECTOR CIRC WAFER IYW296 ITAV CONI 5 6630A09106C CONNECTOR CIRC WAFER 07 CONZ 6 6630409068 CONNECTOR ICIRCI WAFER 7 6630 88004 CONNECTOR ICIRCI WAFER 5 4250 YEONHO 2 5MM STRAIGHT SN CONS 8 663085004 CONNECTOR CIRC WAFER SMW250 YEONHO 2 2 54 STRAIGHT SN CONNECTOR CIRT WAFER EMW250_YEONHO_4P 2 STRAIGHT SN 10 R 211224 0 CONT 072 826 IC DRAWING 7 6 42P SDIP EK MASK BRAVOG3 PJT BEST BETTER TOSHIBA 12 015635100 IC POMER MANAGEMENT 51 6635 SPIN SFS 2 4PIN FORM SANKEN 2 13 OIPMGNEDOIA IC POWER MANAGEMENT PS2S6ILI I V_NEC 4P DIP EK TLP7ZIF NEC 14 43 000 CHANGJIANG 14 I 01 7805007 LINE
20. LG REFRIGERATOR CAUTION BEFORE SERVICING THE PRODUCT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODELS LFD21860ST LFD25860ST COLORS WESTERN BLACK SB LFD21860SW 1 025860 TITANIUM TT LFD25860SB SUPER WHITE SW LFD25860SW STAINLESS ST CONTENTS SAFETY PRECAUTIONS 2 07 3 0 Ti 3 PARTS IDENTIFICATION P 4 A 5 10 DOOR mE 5 6 DOOR ALIGNMENT 25255 tbe IR eaten ERI I dai o reas i i eec ite exerce dd 6 HOW TO REMOVE AND REINSTALL THE PULLOUT 7 9 ADJUSTMENT Ls i i a i ij i k i i 10 11 COMPRESSOR S 10 UP EE 10 OLP OVERLOAD PROTECTOR ira ast dete ap ege a ira 11 REMOVE THE COVER ient END NOR ite rp CA eat teet 11 CIRCUIT DIAGRAM 12 IieuUBihleleullcm M 13 18 COMPRESSOR AND ELECTRIC 2 13 ai I tad is i i a a T a ais 14 OTHERIELECTRIGAL COMPONENT S entere ais a ai as 15 SERVICE DIAGNOSIS CHAR ais etr i e i as 16 REFRIGERATION CY CUB 1 i hor ai easels ete i
21. Lai tem a 17 18 OPERATION PRINCIPLE AND REPAIR METHOD OF 19 22 DESCRIPTION OF FUNCTION AND CIRCUIT OF 23 40 EXPLODED VIEW AND REPLACEMENT PARTS LIST 41 SAFETY PRECAUTIONS Please read the following instructions before servicing your refrigerator 1 Unplug the power before handling any elctrical componets 2 Check the rated current voltage and capacity 3 Take caution not to get water near any electrical components 4 Use exact replacement parts 5 Remove any objects from the top prior to tilting the product 1 SPECIFICATIONS 21 cu ft 25 cu ft ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DOOR DESIGN Side Rounded VEGETABLE TRAY Opaque Drawer Type 298 21 cu ft COMPRESSOR PTC Starting Type NET WEIGHT pounds 320 25 cu ft EVAPORATOR Fin Tube Type COOLING SYSTEM Fan Cooling CONDENSER Wire Condenser TEMPERATURE CONTROL Micom Control REFRIGERANT R 134a 115 g Full Automatic LUBRICATING OIL 15010 280 ml DEFROSTING SYSTEM Heater Defrost DEFROSTING DEVICE SHEATH
22. Low voltage Advise customer that the power supply needs to be checked by an electrician voltage Fan motor doesn t run Heavy frost buildup on evaproator Check voltage at Poor or broken or Replace starting devices open contact indicated component Check current flowing Shorted in sub coil of compressor Check rating of OLP gt Lack of capacity Check wiring circuit Wire is open or shorted Replace gt indicated component Check fan motor Coil is shorted or open Check current flow in Replace the following Open indicated component components sensor melting fuse Check current flow in Replace the defrost heater defrost heater 15 6 4 SERVICE DIAGNOSIS CHART COMPLAINT POINTS TO BE CHECKED REMEDY No Cooling 15 the power cord unplugged from the outlet Plug into the outlet Check if the power switch is set to OFF Set the switch to ON Check if the fuse of the power switch is shorted Replace the fuse Measure the voltage of the power outlet If the voltage is low correct the wiring Cools poorly Check if the unit is placed too close to the wall Place the unit about 4 inches 10 cm from the wall Check if the unit is placed too close to the stove Place the unit away from these heat sources gas cooker or in direct sunlight s the ambient
23. OR METAL GLAZEDICHIPT 100 HM 1 8 W 5 2012 R TP ROM R7 102 002 00029 DIODE ZENERS 52328 MOTORORA 0034 0 58 5 6V PF DEL TA 70 103 ORDS90IGE0S RESISTOR F DED CABON FILM 1 4 W 57 T SMART R34 104 08290572 RESISTOR METAL GLAZEDICHIPT 3 9K OHM 1 8 W 5 2012 R TP RON Ral 05 8 10025572 RESISTOR METAL GLAZEDICHIP TOKOM 1 8 W 5 2012 R TP ROM RIS RZB 30 CRI RAZ 106 0 0 0025609 RESISTOR FIXED CARSON FILM TOK OHM 1 4 W 5 TASZ SMART 107 08047015609 RESISTOR FIXED CARSON FILM 4 7K OFM 1 4 W 5 52 SMART Rio RIG RIS R40 RAS 108 _ ORJ4701E672 RESISTOR METAL GLAZEDICHIPI 4 7K OM 1 8 W 57 202 R TP ROM 4 837 105 00 1040 849 CAPACITOR FIXED CERAMICIHigh dielectric 0 IUF D 50 80 20 52 SAM WHA CC4 10 OCKIO4DKGBA CAPACITOR FIXED CERAMIC Hioh dielectric 0 IUF M RATA CC3 CC5 7 CCI0 CM4 ORNIOOZF409 FILM SMART 12 08 13300 672 RESISTOR METAL GLAZEDICHIPT ROHM R43 13 0833006609 RESISTOR FIXED CARSON FILM SMART 14 6200 9000 FILTERICIRC EMC SANGSHIN ELEC Li 37 8 5 3 PWB Assembly Display And Parts List P NO DESCRIPTION SPEC MAKER REMARK 70 88253 PWB PCB 06 BRAVO LED MODULE DISPLAY PCB DAEDUCK SG COM STH Eg 707 CONIO2 ICIOI c sum ICI02 0 04 05 ICI06 107 0102 CSTCRAMOOGS3 RO MURAT
24. Os 2 The higher the temperature is the higher the resistance value These features are used as a starting device for the motor 4 2 2 Role of PTC Starter 1 The PTC is attached to the sealed compressor and is used for starting the motor 2 The compressor is a single phase induction motor Durign the starting operation the PTC allows current flow to both the start winding and main winding 4 2 3 PTC Applied circuit diagram e Starting method for the motor OVERLOAD PROTECTOR COMPRESSOR 2 MOTOR 5 5 M L1 gt 3 6 PTC STARTER SEALED TERMINAL Resistance Starter Capacitor Running Figure 17 4 2 4 Motor restarting and PTC cooling 1 It requires approximately 5 minutes for the pressure to equalize before the compressor can restart 2 The PTC device generates heat during operation Therefore it must be allowed to cool before the compressor can restart 4 2 5 Relation of PTC Starter and OLP 1 If the compressor attempts to restart before the PTC device is cooled the PTC device will allow current to flow only to the main winding 2 The OLP will open because of the overcurrent condition This same process will continue 3 to 5 times when the compressor attempts to restart until the PTC device has cooled The correct OLP must be properly attached to prevent damage to the compressor Parts may appear physically identical but could have different electrical ratin
25. SISTOR BIPOLARS EK 0126 GOV KEC 02 04 83 ___ TRANSISTOR BIPOLARS KRCIO6S R TP 50123 50V 100 KEC a 34 5200 FILTERICIRC CvS40050 INC TNC 85 6200 B8007X FILTERICIRCI EMC 1 05320 TNC EK 0 5A 2 EUROTRONIX 12 85 621088001 FILTERICIRC EMC BFS35I0A0 52 BEAD FILTER SAM WHA 87 GE00RRTOOIZ SWITCH TACT JTPI2BOAG I2VDC SOMA SM J03 J04 J06 JI2 JIS s 68548500014 WIRE 0 6 52 TP TAPING SN DAE A LEAD J3 J14 BM JOI 2 JO5 12 54M o FZE FUSE DRAWING 250 SLOW BLOWLITTELFUBE TRIAD SAW JU YK 91 190302418 SCREW TAP_TITE S BINDING HEAD 03 0 18 0 MSWRS FZY HAENG SUNG 93 4920 3007 HEAT SINK 23 3917925 DRIVE STR R S64 65 73 2 SCREN UC2 TAESUNG PHOTOSELL 1121 94 SSZU LOSMA SOLDER SOLDERING LFM 38 SN 3 0AG 0 5CU 3 0M 95 72620006 FLUX SV PEF 06 KSK 12 5 0 815 0 003 95 _S500000084A SOLDER IROSIN WIRE 50 SR 34 PB FREE LFM 48 97 0022102510 CAPACITOR FIXED CERAMIC V WHAZFONG WING CZ 0 IC STANDARD LOGIC 16 SOP EK 7CH DRIVE KEC 16 99 ORJZO0IEB72 RESISTOR METAL GLAZEDICHIPT X OM 78 W 5 202 RTP ROM Rel FZ3 FZ5 FGB RI7 FZ6 R45 100 _ 8020016609 RESISTOR FIXED CARBON FILM OFM 174 W 57 2 SMART RZO R22 R27 F36 R3B 10 ORJIOOIES72 RESIST
26. aled compressor used for the refrigerator It prevents the motor coil from being started in the compressor 2 For normal operation of the OLP do not turn the adjustment screw of the OLP in any way OVERLOAD PROTECTOR cross section Part D Customer part No Name number Base phenolic Lot code UL 94 V O rated 330 FBYY date code 2 Movable arm support plated steel Electrical Physical i cce Phys ical 3 Stationary contact support part number part number plated steel Heater support plated steel 6 Heater resistance alloy Disc thermostatic alloy Movable arm spring temper copper alloy Contact movable silver on copper 8 Contact stationary silver on copper 40 Slug plated steel Cover polyester UL 94V 0 rated Pin connector plated copper alloy To engage 2 33 2 66 mm dia pin Figure 18 sie 4 4 TO REMOVE THE COVER PTC 1 Remove the back cover of the mechanical area 2 Disconnect the two connectors on the top of the compressor 3 Loosen two screws on compressor base 4 Use flat screwdriver to pry off the cover 5 Assembly is the reverse order of disassembly 5 CIRCUIT DIAGRAM LG Electronics CIRCUIT DIAGRAM PWB PCB ASSEMBLY DISPLAY Bk Bgi PERCEPTION SAW RT SENsOR CET ek sel EH EN PWB PCB ASSEMBLY MAIN we pa CAP
27. ambient when heating the inlet of the temperature capillary tube COMP Freezer and Low flowing sound of A little higher Low pressure at high side CO RESSION refrigerator refrigerant is heard and than ambient of compressor due to low TU m don t cool frost forms in inlet only temperature refrigerant level D O 5 NO COMP No compressing Flowing sound of refrigerant Equal to ambient No pressure in the high an RESSION operation is not heard and there is temperature pressure part of the 2 no frost compressor 2875 6 5 1 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 Pattern None Partial Equalization Test Equalization Test Very Fast Very Slow Very Slow Fast Very Fast Inefficient Compressor Complete Restriction Partial Restriction Condenser Temperature Hotter than Normal Room Temperature None to Weak Air Low Side Loss of Change Leak Compressor Not Pumping Trace of Oil No Undercharge The equalization test is trying to restart a compressor using a start kit after it has been operating 18 7 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 7 1 OPERATION PRINCIPLE 7 1 1 Operation Principle of Icemaker Power On 1 Start Position Adjusts EJECTOR to St
28. art Position with power on Icemaking Waits until water becomes cold after starting the icemaking operation Harvest Runs MOTOR to drop ice from the tray into the ICE BIN Performs Icemaking Mode after supplying water by operating the SOLENOID in ICE VALVE Park Position With the detect lever checks if the ICE BIN is full iH operate LINE and SERVICE press and hold the Fill Key for 3 seconds The icemaker will run through 3 stages Harvest Fill Icemaking Test Mode ww wv ww v wy 1 Turning the Icemaker stop switch off O stops the icemaking function 2 Setting the Icemaker switch to OFF and then turning it back on will reset the icemaker control Icemaker Automatic Shut off Arm Power Switch Indicator Light Cube Size Select Button 7 2 ICE MAKER FUNCTIONS 7 2 1 Start Position 1 After POWER OFF or power outage check the 5 position with initialization to restart 2 How to check if it is in place Check HIGH LOW signals from HALL SENSOR in MICOM PIN 3 Control method to check if it is in place 1 EJECTOR is in place It is an initialized control so the mode can be changed to ice making control 2 EJECTOR isn t in place A If EJECTOR is back in place within 2 minutes with the motor on it is being initialized If not go to step B B If EJECTOR is back in place within 18 minutes after the heater turns from ON to OFF it is being in
29. asket into channel 1 Snap gasket assembly into the door bracket Inserting the gasket assembly into the bracket door Incorrect Correct Figure 6 2 Press gasket into channels on the three remaining sides of door Figure 7 3 Replace door frame cover Starting at top of cover and working down snap the cover back into door Figure 8 3 2 DOOR ALIGNMENT If the space between your doors is uneven follow the instructions below to align the doors 1 With one hand lift the door you want to raise at middle hinge 2 With other hand use pliers to insert snap ring as shown 3 Insert additional snap rings until the doors are aligned Three snap rings are provided with the product Figure 9 3 3 HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER 3 3 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 Lift the freezer door up to unhook it from the rail from each side support and remove Pull both rails to full extension Step 5 First Remove the gear from the left side first by releasing the tab behind the gear place a screwdriver between the gear and the tab and pull up on the gear Second Remove the center rail Third Remove the gear from the right side by following the same steps for the left side NOTE THIS TAB MUST
30. ds three times each for 1 2 second These tones repeat every 30 seconds 3 The alarm is cancelled when the freezer or the refrigerator is closed while the buzzer sounds Freezer Door Closed Closed i Closed or Refrigerator EB 3 Times 3 Times 3 Times 3 Times Buzzer 4 gt lt 4 gt 30 sec 30 sec 30 sec Within 1 min 1 min 8 1 7 Buzzer Sound When the button on the front display is pushed a Ding Dong sound is produced 8 1 8 Defrosting removing frost 1 Defrosting starts each time the compressor running time reaches 7 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 8 C or more If the sensor doesn t reach 8 C in 2 hours the defrost mode is malfunctioning 4 Defrosting won t function if its sensor is defective wires are cut or short circuited 24 8 1 9 Electrical Parts Are Turned On Sequentially Electrical parts such as compressor defrosting heater freezer fan etc are turned on in the following order to prevent noise and parts damage Several parts are started at the same time at initial power on and are turned off together when test is completed OPERATING ORDERS Temperature of defrosting sensor is 45 C or more Power in0 5sec Compressor ino5sec Freezer fan when unit is newly ON ON ON 3 purchased
31. fter exiting the test mode be sure to reset by unplugging and then plugging in the appliance If an error such as a sensor failure is detected while in the test mode the test mode is cleared and the error code is displayed 6 While an error code is displayed the test mode will not be activated MODE MANIPULATION CONTENTS REMARKS Push FREEZER KEY and 1 Continuous operation of the LOCK KEY at the same COMPRESSOR and the Freezer fan TEST1 time over 5 seconds OR Push 2 Stepping DAMPER OPEN TEST S W in the main Board 3 Defrosting HEATER OFF once 4 DISPLAY LED all ON af Push FREEZER KEY and 1 Continuous operation of the LOCK KEY at the same time COMPRESSOR and the Freezer fan TEST2 over 5 seconds in TEST MODE 1 2 Stepping DAMPER CLOSE OR Push TEST S W once in 3 Defrosting HEATER OFF TEST MODE 1 4 DISPLAY LED shows no 2 OR Push TEST S W once in TEST MODE 2 4 DISPLAY LED shows no 3 Push FREEZER KEY and LOCK KEY at the same time Reset to the previously setting The compressor will RESET over 5 seconds in TEST MODE 3 OR Push TEST S W once in Before TEST MODE Start after a 7 minute Delay TEST MODE 3 Freezer Fan Variable RPM Check To check the variable rpm press and hold the WARMER keys of both the REF TEMP and FRX TEMP The fan speed will change low to high or high to low for 30 seconds before reverting to its original setting 46 F 8 C or more Push FREEZER KEY and 1 COMPRESSOR and the
32. gs Replace parts by part number and model number Using an incorrect part could result in damage to the product fire injury or possibly death 4 2 6 Note for using the PTC Starter 1 Be careful not to allow over voltage and over current 2 Do not drop or handle carelessly 3 Keep away from any liquid If liquid such as oil or water enters the PTC PTC materials may fail due to breakdown of their insulating capabilities 4 If the exterior of the PTC is damaged the resistance value may be altered This can cause damage to the compressor and result in a no start or hard to start condition 5 Always use the PTC designed for the compressor and make sure it is properly attached to the compressor Parts may appear physically identical but could have different electrical ratings Replace parts by part number and model number Using an incorrect part could result in damage to the product fire injury or possibly death 10 4 3 OLP OVERLOAD PROTECTOR 4 3 1 Definition of OLP 1 OLP OVERLOAD PROTECTOR is attached to the compressor and protects the motor by opening the circuit to the motor if the temperature rises and activating the bimetal spring in the OLP 2 When high current flows to the compressor motor the bimetal works by heating the heater inside the OLP and the OLP protects the motor by cutting off the current flowing to the compressor motor 4 3 2 Role of the OLP 1 The OLP is attached to the se
33. itialized If not it is not functioning Repeat step B with heater and motor off 7 2 2 Ice Making Mode 1 Icemaking refers to the freezing of supplied water in the ice trays Complete freezing is assured by measuring the temperature of the Tray with icemaking SENSOR 2 Icemaking starts after completion of the water fill operation 3 The icemaking function is completed when the sensor reaches 7 C 60 to 240 minutes after starting 4 If the temperature sensor is defective the icemaking function will be completed in 4 hours NOTE After icemaker power is ON the icemaker heater will be on for test for 9 sec 7 2 3 Harvest Mode 1 Harvest Ice removing refers to the operation of dropping ices into the ice bin from the tray when icemaking has completed 2 Harvest mode 1 The Heater is ON for 30 seconds then the motor starts 2 Harvest mode is completed if it reaches start position again while Heater amp Motor are on at the same time A ice bin is full The EJECTOR stops heater off B ice bin is not full The EJECTOR rotates twice to open for ice NOTE If the EJECTOR does not rotate once within 5 minutes in status 2 separate heater control mode starts operating to prevent the EJECTOR from being constrained It is recommended that the user open for ice to return to normal mode 20 7 2 4 Fill Park Position 1 Once a normal harvest mode has been completed the water solenoid will be activated 2 The amou
34. ked If less than 7 minutes pass OLP PTC or Replace OLP PTC after compressor shuts off compressor are failed Replace main PWB don t press the key and wait Connection wire is defective Check the connection of the black wire of the main PWB connector CON2 2 If refrigerant is leaking Measure the amount of frost Refrigerant leakage Replace the leaking part and sticking on evaporator replace any lost refrigerant and the surface temperature of the condenser pipe Freezer 1 If fan motor Use Test Mode 1 Fan motor is defective Replace the fan motor temperature is operates forced cooling incorrect Connection wire is defective Refer to 8 2 4 2 and check 2 If defrosting Check the amount of frost Defrosting is poor See DEFROSTING is normal sticking on the evaporator is poor page 34 3 If sensor Check the resistance Sensor resistance is Replace sensor is normal of the refrigerator incorrect sensor 4 Gasket seal incorrect Check the seal when the door is closed Door liner damaged Replace door liner 34 PROBLEM INDICATED BY CHECK CHECKING METHOD CAUSE SOLUTION COOLING is defective If refrigerator 1 If frezzer temperature Check is frezzer Make sure the temperature is normal temperature is too low door is attached is too low 2 If amount of cool air from Make sure that the amoun
35. next 21 hours the freezer will be controlled at the lowest temperature After 24 hours or if the PLUS key is pressed again the freezer will return to its previous temperature 5 During the first 3 hours 1 Compressor and freezer fan HIGH RPM run continuously 2 If a defrost cycle begins during the first 90 minutes of ICE PLUS the ICE PLUS cycle will complete its cycle after defrosting has ended If the defrost cycle begins when PLUS has run for more than 90 minutes ICE PLUS will run for two hours after the defrost is completed 3 If ICE PLUS is pressed during defrost ICE PLUS icon is on this function will start seven minutes after defrost is completed and it shall operate for three hours 4 If ICE PLUS is selected within seven minutes after compressor has stopped the compressor compressor delays seven minutes will start after the balance of the delay time 5 The fan motor in the freezer compartment rotates at high speed during ICE PLUS 6 For the rest of 21 hours the freezer will be controlled at the lowest temperature 8 1 5 REFRIGERATOR LAMP AUTO OFF 1 To protect the risk of lamp heat when the refrigerator door is opened for 7 minutes the refrigerator lamp will be turned off automatically 22 8 1 6 Alarm for Open Door 1 This feature sounds a buzzer when the freezer or refrigerator door is not closed within 1 minute after it is opened 2 One minute after the door is opened the buzzer soun
36. nt of water is adjusted by pressing the fill key repeatedly This changes the time allowed for fill as illustrated in the table below Water supply amount table STAGE TIME TO SUPPLY INDICATIONS REMARKS 1 6 sec c The water amount will vary depending on the water control switch setting as 2 7 sec well as the water pressure of the connected water line 3 8 sec CI 21 7 2 5 Function TEST 1 This is a compulsory operation for test service cleaning etc It is operated by pressing and holding the fill key for 3 seconds 2 The test works only in the icemaking mode It cannot be entered from the harvest or fill mode If there is an ERROR it can only be checked in the test mode 3 Caution If the test is performed before water in the icemaker is frozen the ejector will pass through the water When the fill mode begins stage 4 unless the water supply has been shut off added water will overflow into the ice bin If the control doesn t operate normally in the test mode check and repair as needed 4 After water is supplied the normal cycle is followed icemaking harvest fill park position 5 Five seconds after stage 5 is completed the icemaker returns to MICOM control The time needed to supply water resets to the pre test setting lt 5 stage of diagnosis gt INDICATOR HE
37. r signal for more than 115sec in operation fan motor Failure of BLDC Fan Motor a Mechanical Room If there is no fan motor signal for more than 115sec in operation fan motor 10 DOOR ALARM DISPENSER amp BUTTON Inspect Connecting wires on each sensor Snapping of defrost heater or Temperature fuse pull out of connector indicated minimum 1 hour after failure occurs Poor motor hooking to wires of fan contact of structures to fan snapping or short circuit of Lead wires Poor motor hooking to wires of fan contact of structures to fan snapping or short circuit of Lead wires Note 1 Room temperature sensor is not indicated on the failure indicating part but indicated in checking display When pressing for more than the warmer key of refrigerator temp and the warmer kye of freezer temp for more than 1 second LED check function If press and hold the warmer key of refrigerator temp and the warmer key of freezer temp for a second all display LED graphics on When you release the buttons the LED graphics displays the previous status 26 8 1 11 TEST Mode 1 The test mode allows checking the PCB and the function of the product as well as finding out the defective part in case of an error The test mode is operated by pressing two buttons on the display panel While in the test mode the function control button is not recognized but the recognition tone beep sounds A
38. rator door 5 Replace in the reverse order HINGE COVER HINGE Figure 1 e Door gasket removal 1 Remove door frame cover Starting at top of cover and working down snap cover out and away from door Frame Cover Handle Figure 2 2 Remove gasket bracket clips There are two clips on each door Start bracket removal near one of the middle clips 1 Pull gasket back to expose gasket bracket clip and door frame 2 Insert a flat tip screwdriver into seam between gasket bracket and door frame and pry back until clips snaps out 3 Continue prying back along seam until all clips snap out Gasket Door Bracket Clip Frame Flat Tip Screwdriver Gasket Bracket Figure 3 3 Remove gasket Pull gasket free from gasket channel on the three remaining sides of door Figure 4 e Door gasket replacement 1 Insert gasket bracket clips 1 Insert gasket bracket edge beneath door frame edge 2 Turn upper gasket bracket spring so that both spring ends are in the door channel 3 Push in clip until you hear it snap securely into place Gasket 0 Bracket Clip Spring Door Frame Correct Incorrect Figure 5 4 Push in remaining two clips until you hear each snap securely into place Note Make sure that no part of gasket bracket edge protrudes from beneath door frame edge 2 Insert g
39. rature by pressing the ADJUST button 2 When the power is initially applied or restored after a power failure it is automatically set to 37 amp 0 C Ci 1 ROOM TEMPERATURE PC SC DOOR ALARM oF 171 Gy 327049 HOLD 3SECS DISPENSER amp BUTTON 8 1 2 How to Change the Temperature Mode to F C 1 The display temperature mode can be changed from F to C or C to F by pressing and holding the FRZ TEMP and the COLDER key of REF TEMP keys at the same time for over five seconds 2 The initial setting is F Whenever the mode is changed the LED lights are changed 8 1 3 Control of freezer fan motor 1 Freezer fan motor runs at either regular or high speed 2 400 or 2 700 rpm 2 High RPM is used when electricity is first on for ICE PLUS and when refrigerator is overloaded Standard RPM is used for normal usage 3 The fan motor is stopped when any door is opened 8 1 4 ICE PLUS 1 The purpose of this function is to intensify the cooling speed of freezer and to increase the amount of ice 2 Whenever selection switch is pressed selection release the icon will turn ON or OFF 3 If there is a power outage and the refrigerator is powered on again ICE PLUS will be canceled 4 To activate this function you need to press the ICE PLUS key and the icon will turn ON This function will remain activated for 24 hours The first three hours the compressor and freezer fan will be ON The
40. t FAN motor is defective Replace fan motor fan motor is and speed of cool air are Passage of cool air Remove impurities sufficient sufficient by touching the is blocked check supplied on the Evaporator frozen See defrosting is poor refrigerator below 3 Door gasket contact Check door seal when Door liner damaged Replace door liner door is closed DEFROSTING is NO defrosting 1 If heater emits heat USE TEST MODE3 Heater disconnection Replace heater defective forced defrosting Temperature fuse Replace temperature is blown fuse Connection is poor Check evaporator connection and wire of main PWB connector Defrost sensor is defective Replace defrost sensor Heater relay is poor Replace RY2 of main PWB 2 If drain pipe is Check drain pipe Drain pipe is blocked Remove ice and impurities blocked Check heater plate resistance 3 If ice remains after Make sure that defrost Connection is poor Reassemble the defrosting sensor is connected defrost sensor Make sure that frezzer and refrigerator doors are closed Door does not close properly Reassemble door Replace gasket 35 8 5 MAIN PWB ASSEMBLY AND PARTS LIST 8 5 1 Main PWB Assembly RP OE LTE olo TTTTTT SHAA eee CONT 0501 STICKER Onto O RYS RY4 RY3 RY2
41. temperature too high or Lower the ambient temperature the room door closed Check if food put in the refrigerator is hot Put in foods after they have cooled down Did you open the door of the unit too often Don t open the door too often and close or check if the door is sealed properly it firmly Check if the Control is set to warm position Set the control to recommended position Food in the s food placed in the cooling air outlet Place foods in the high temperature section Refrigerator front part is frozen Check if the control is set to colder position Set the control to recommended position Is the ambient temperature below 5 C Set the control to warm position Condensation or ice forms inside the unit s liquid food sealed Check if food put in the refrigerator is hot Did you open the door of the unit too often or check if the door is sealed properly Seal liquid foods with wrap Put in foods after they have cooled down Don t open the door too often and close it firmly Condensation forms in the Exterior Case Check if the ambient temperature and humidity of the surrounding air are high s there a gap in the door gasket Wipe moisture with a dry cloth It will disappear in low temperature and humidity Fill up the gap There is abnormal noise s the unit positioned in a firm and even place Are any unnecessary objects placed behind of
42. the refrigerator and compresses this gas to high temperature and high pressure gas It then delivers the gas to the condenser 4 1 2 Composition The compressor includes overload protection The PTC starter and OLP overload protector are attached to the outside of the compressor Since the compressor is manufactured to tolerances of 1 micron and is hermetically sealed in a dust and moisture free environment use extreme caution when repairing it 4 1 3 Note for usage 1 Be careful not to allow over voltage and over current 2 If compressor is dropped or handled carelessly poor operation and noise may result 3 Use proper electric components appropriate to the particular compressor in your product 4 Keep compressor dry If the compressor gets wet in the rain or a damp environment and rust forms in the pin of the Hermetic Terminal poor operation and contact may result If the hermetic connector rusts out or fails refrigerant and oil will be expelled into the contact area probably resulting in smoke and fire 5 When replacing the compressor be careful that dust humidity and soldering flux don t contaminate the inside of the compressor Contamination in the cylinder may cause noise improper operation or even cause it to lock up 4 2 PTC STARTER 4 2 1 Composition of PTC Starter 1 PTC Positive Temperature Coefficient is a no contact semiconductor starting device which uses ceramic material consisting of BaTi
43. the unit Check if the drip tray is not firmly attached Check if the cover of the compressor enclosure in the lower front side is taken out Adjust the leveling screw and position the refrigerator in a firm place Remove the objects Fix the drip tray firmly in the original position Place the cover in its original position Door does not close well Check if the door gasket is dirty with an item like juice 15 the refrigerator level s there too much food in the refrigerator Clean the door gasket Position in a firm place and level the leveling screw Make sure food stored in shelves does not prevent the door from closing Ice and foods smell unpleasant Check if the inside of the unit is dirty Are foods with a strong odor unwrapped The unit smells of plastic Clean the inside of the unit Wrap foods that have a strong odor New products smell of plastic but this will go away after 1 2 weeks e Other possible problems the freezer Check the refrigeration system Check the thermistor Check if frost forms in Not deb defrosting the defrosting circuit The system Perform sealed gt is faulty system repair The operation of Replace the gt the thermistor is thermistor incorrect 16 Check components of 6 5 RE

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