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REFRIGERATOR SERVICE MANUAL

1. 1 78 QRS3303 J609 RESISTUR FIXED METAL OXIDE FIL 330K OHM 1 V 57 TASP SMART CHOHYANG R1 1 1 1 1 73 08058035809 CARBO M 560K OHM 1 2 5 00 TAS2 R2 11111 74 0RS3602K641 RESISTUR FIXED METAL OXIDE FILI 6 OHM 2 W 3 007 220 SMART CHOHYANG R3 1 73 ORD68010609 RESISTUR FIXED CARBON FILM 6 8K OHM 1 4 W 9 007 SMART CHOHYANGIR4 1 1 1 76 ORDI200G609 RESISTURFIXED CARBON FILM 120 OHM 1 4 W 9 007 TAS2 SMART CHOHYANG R5 1 77 82082200609 RESISTIR FIXED CARBON FILM 82 IHM 1 4 W 5 00 52 SMART R2 1 78 082680046009 RESISTOR FIXED CARBON FILM 680 OHM 1 4 W 5007 TAS2 SMART CHOHYANG 26 1 1 1 79 ORWO470J609 RESISTOR FIXED POWER COATED WIRE WOUND 047 OHM 1 V 5 52 MART CHOAY
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5. 6 263 F FAN PWM 5 Ol epo y F FAN LDCK 4 cezo li 1 HIN DAMPER HEATER ir 2 rsj cul 3 MEFpoonswrch vez 58 Ros Ei sas Anz x on REF UPPER SENSOR 74 HE IE gl aa ms Z REF LOWER SENSOR 5 he MT 15 9 A Sehr we 14 lo STEPPING fF P a E MOTOR uim lieg map 12 25 1 je Models LRSC26944 LRSC26980TT 2 3 A A OPTICHILL 4 STEPPING Pae B MOTOR 5 s A OPTICHLL pas BOX FAN MOTOR 8 5 9 gt OPTICHILL SENSOR n CON101 D104 T in CE 5 oi m3 sl B mus i Paja DRON alls 5 Def 7He up UU NND T ow T 2702 2 m i 17 2 u sis De 49 m 24 5 E 340 P22 ma E 2m m x P af aloe we ws P33 ee 8 1 P j PCB ASSEMBLY DISPLAY OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 1 Operation Principle 1 1 Operation Principle of Icemaker Start Position Adjusts EJECTOR to Start Position with power on Icemaking Mode Waits until water becomes cold after starting the ice making operation Runs MOTOR to drop ice from the tray to the ICE BIN Performs Icemaking Mode after supplying water by operating the SOLENOID in ICE VALVE Park Position D e To operate LINE
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12. bag Motor on Ice removing i completion point off 110 sec he 1 1 Hall IC i ov 57 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 2 4 Fill Park Position 1 When Ice Removing control Normal Ice Removing control Ice Removing control for test has completed and the EJECTOR is in place this control operates the ICE SOLENOID by time check in the compressor enclosure of the refrigerator Then it supplies water to the ice making tray 2 The water supply level is adjustable to 5 levels by pressing the water supply control switch The selected level will determine the fill time Water supply amount TABLE STAGE TIME TO SUPPLY INDICATIONS REMARKS 1 1 4 sec m 2 4 5 je Co The water amount will vary depending on the water control Switch setting as 3 5 sec well as the water pressure of the connected water line m p 4 5 5 sec 7 1 co eS co 5 6 sec Co 58 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 2 5 Function TEST 1 This is a compulsory operation for TEST SVC cleaning etc It is operated by pressing the water supply control KEY for 3 seconds 2 It operates in the Icemaking mode but not in the Ice Removing mode or water supply process If there is an ERROR it can only be checked in the TEST mode 3 If the wat
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14. RCRI 199 080820104600 CARBO M OHM 1 4 V 5 004 TA SMART CHUHYANG RCRI 171 1 1 05010020609 RESISTURFIXED CARBO M 10K OHM 174 V 3207 TAS SMART CHOHYANG RCF I 1 1 1 in ORHIO02L422 RESISTURMETAL GLAZEDCHIP 10K OHM 1 8 V 17 2012 R TP ROH RT 1 1 21 ORJIGE2E472 RESISTORMETAL GLAZEDCHIP 16 2K IHM 1 7 8 W 2012 1002 D ROH RF 4 4 4 4 13 026125472 RESISTURMETAL GLAZED CHIP 281K OHM 1 8 W 2012 1 00 D ROH RDLRRU RRZ RWI ia 61 E472 RESISTOR METAL GLAZEDCHIP 261K OAM 17 8 2012 1 002 D RUH RR3 M 7ROUM 17 7 08007008509 RESISTUR IXED CARBU M 270 UHM 1 2 W 3207 TASC SMART CHORYANG RSG 72M RODW 118 2 2 2 a 17 OTRKE00008A TRANSISTUR BIPULARS KEC 1151 BK TD128 60V EC 04 06 2 2 01782198094 TRANSISTOR KTC3198 TP Y KTTIBIDKET 05 07 1 1 1 1 19 01810060004 TRANSISTUR BIPDLARS 106 EC 01 1 11 120 01810600084 TRANSISTUR BIPDLARS 106 02000 1 1 ia 181060094 TRANSISTUR BIPDLARS 106 EC Q8 M RDUM 1 1 1 ial 01812730940 TRANSISTOR 1273 KTA9664 TP 09 1 1 1 07812730941 TRANSISTOR KTA1273 Y KTA966A BAP 1 1 1 184 6210 JB8001A BES3SI0A0 SAMWHA 52 AM WHA EBI a i 1 1 125 A600RRTOQIW SWITCH TACT THVVSDPGAA POSTECH 12 DC SOMA TAPING cos CH Swi 4
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16. 7 evo REF LOWER 27 2 10uP 8 SENSOR p 50V RR3 PN T pud CON10 AND GET6 9 lt 3 OPTICHILL cea 10uP SENSOR 221752 50V 10 J The circuits involving the freezer refrigerator sensors control 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 See the table below for voltages and checkpoints SENSOR CHECK POINT NORMAL 30 C 50 C IN SHORT IN OPEN Freezing sensor POINT A Voltage Defrost sensor POINT Voltage Refrigerator sensor 1 POINT Voltage Refrigerator sensor 2 POINT Voltage 0 5 V 4 5 V OV 5V Room temperature sensor POINT E Voltage Water tank sensor POINT Voltage Optichill sensor POINT 6 Voltage 97 EXPLANATION FOR MICOM CIRCUIT 1 8 Switch entry circuit The following circuits sense signal from the test switch damper motor reed switch for testing and diagnosing the refrigerator LRSC269 P34 1 9 Option designation circuit model separation function LRSC269 wi MICOM 4 7K 48 p47 47 P46 The circuits shown above vary according to which features are included on your particular model gt These circuits are preset at the factory and cannot be altered
17. LRSC269 win JCR1 vera ici R20 MICOM 10K R21 10K 22 BZ 10K R23 E 10K JCR4 777 Temperature compensation in CUT JCR1 1 1 8 F mcm ice 983671 JCR3 1 C 1 8 F JCR4 1 1 8 F 3 6 F Compensation Compensation for weak cold for over cold ui en value Remarks JCR3 JCRA JCR1 JCR2 ot refrigerator 6 56 56 56 0 C In shipment from factory CUT 6 1 1 8 F 5 59 1 1 8 F 6 6 6 CUT 1 1 8 5 CUT 1 C 1 8 F CUT CUT 66 2 C 3 6 F 6 CUT CUT 2 C 3 6 F CUT CUT 0 0 F CUT 6 CUT 0 0 F 56 CUT CUT 6 0 C 0 F 6 CUT 6 CUT 0 0 F CUT CUT CUT 1 1 8 F 6 CUT CUT CUT 1 1 8 F CUT CUT CUT CUT 0 0 F gt This circuit allows adjustment of the set temperature for compensation by changing jumpers at locations JCR1 JCR4 EXPLANATION FOR MICOM CIRCUIT 1 13 Communication circuit The following communication circuit is used for exchanging information between the main MICOM of the Main and the dedicated MICOM of the LED LCD Display PCB A bi directional lead wire assembly between the two boards is required for the display to function properly Poor communication occurs if a continuous information exchange fails
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19. Separation Connection Status Application Standard Connection OptiChill exist OP1 OUT OptiChill doesn t exist 38 EXPLANATION FOR MICOM CIRCUIT 1 10 Stepping motor circuit IC10 a MICOM 9 16 7774 15 A 1 2 Hd 1uF Le doy 4 0 STEPPING 10K 10 710K MOTOR p30 133 8 11 11 p31 134 6 B 55 4 5 7 19 12 P32 12 13 1 13 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 These signals are output via terminals 10 11 14 and 15 via input terminals 3 6 and 8 of IC10 TA7774F the motor drive chip The output signals allow the coils wound on each phase of the stator to form a magnetic field which causes rotation Input to the terminals INA and INB of IC10 as shown in the chart below drives the motor CCW Reverse rotation lt _ Positive rotation CW INA INB gt 39 EXPLANATION FOR MICOM CIRCUIT 1 11 Fan motor driving circuit freezer mechanical area 1 The circuit cuts all power to the fan drive IC resulting in a standby
20. Part VA1 CE1 CE2 CE3 CE4 CE5 Voltage 120 Vac 160 Vdc 14 12 15 5 5 BD1 D3SBA60 TRANS 5 1 RO Lyu e gt Se Lp tm E 3 An ce n 12 Mm 1 L T 93 T m Ly 5 ee Ra om 120 1 4W PRA 8 MICOM li 8 3 8 T 02 js 680 330 gt 585 B 592 7805 N w jn ims 104 1 CON1 ji 45 112 den M LA POWER 32 EXPLANATION FOR MICOM CIRCUIT 1 2 Oscillation circuit The oscillation circuit generates a basic clock signal for synchronization and time calculation related to the transmission of data and calculations made by the 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 LRSC269 fe MICOM 30 XN 5 64 00 605 p 0501 R135 1M XOUT 31 1 3 Reset circuit The RESET circuit allows various parts of the MICOM such as RAM defrosting etc to be restarted from the initial state when power is interrupted or restored 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 LRSC269 154 109 2
21. 1 wl 077820306 IC DRAWING TMPS7PM4IN 64 SDIP ST CH PJT BEST BETTERI 3 MASK TOSHIBA 0 0177 820300 1 v 0I7ZJBe030E IC DRAWING TMP87PM41N 64 ST CH PJT NAESU MASK TOSHIBA lt 0177 82030 7 t 12112521 te OIPMGSKOOIA MANAGEMENT STR G8351 SANKEN SP ST SANKEN Ce a 2 2 19 OIPMGNEDOIA IIC POWER MANAGEMENT PS2561 1 NEC 4P DIP BK TLP762JF C38 1 171 20 OIKE431000A CKEE KARIS PIN TP EC C4 1111 808007 C KEC 7805 EC Cb 3 2 2 ee 0KKEG800300 ICKEC KID65003AF 16SUP BK 7CH DRIVER EC 67 1 1 23 64508308 KID65083AF 205 DRIVER EC CRIM TT iti OIKE7042004 KIA7042P 3P BK RESET EC C9 t t 1 28 0707774008 IC TUSHIBA 7774 16 SDIP BK DRIVEIC STEPPING MOTOR TOSHIBA CU 1 1 26 0T0777400A IC TOSHIBA TA7774AP 16 SDIP BK DRIVE IC STEPPING MOTOR TOSHIBA C1i M ROOM 1 1 27 0ISTLMI01A IC STANDARD LOGIC MD4363FP MITSUBISHI 20 R TP CUNVERT ITSUBISHI 2 28 S9C0ALZOOIA RELAY ALZIEBI2 NALS COUVAC 16 IP VDC IC NU VENTING ATSUSHITA RYKTCO 1 e9 6920820040 RELAY 1211 0 CIAPAN DEC 250VAC 10 12 VDC NO VENTI DAIICHI 3 8 3 3 30 89900000014 RELAY ALETSBI2 MATSUSHITA 18A 12VDC NU VENTING MATSUSHITA RY2 RYERYB ii 1 31 69008LZ001 RELAY 712812 250 16A IE VDC IC NU VENTING IATSUSHITA RY3 R LAMP 3
22. m 2 J 2 585 5 8 1 Gty Qty Qty Oty No P NU DESCRIPTIO ISPEC MAKER REMARK 1 1 1 68705812A PWEPCB CH PJT BEST DLX DOO SAN 716 1 2 6870 88108 WRPCD BETTERI 3 DOO SAN 1 16 1 6 6170 82013 RMER SMPSTCTI 12 V4 9 16Vd 220 NARROW SAM IL RANS 1 1 4 610702030 TRANSF RMER SMPSTCU 19 V1 5 16 1 110 NARROW SAM IL TRANS 111111115 6630VM03800 CONNECTOR CIRC WAFER YW396 S3V GP 32 YEON 6 CONNECTOR CIRO VAFER YW396 YEUNHI 3 96MM YW396 LIAV 8 810 YEUN HI CON2 1 1 1 7 6630VM02609 CONNECTOR CIRO VAFER YW396 09AV GP 4 8 8 YEON CONS 111111118 6630VM04007 CEINNECTUR CIRC VAFER YwW396 07AV ZP PA 6 RED YEON CUNSQED 111 1 1 9 6830VM02707 CUNNECTUR KCIRCO VAFER YW396 075VUP P 4 6 YEDN 111 10 6630 88007 CONNECTOR CIRC WAFER 917784 1 AMP GP 25MM STRAIGHT SN amp CONB 111 1 66307880078 CONNECTOR CIRO WAFER 917786 1 8P 25MM STRAIGHT SN CON7 Lf i i 1 12 6630J88007J _ CIRO WAFER 917788 1 10 2 5MM STRAIGHT SN AMP CON6 1 1 B 6630JB8007K CONNECTOR CIRCO WAFER 917789 1 AMP 2 5MM STRAIGHT SN AMP CUNIO 1 1 14 6630JB8007L CONNECTOR CIRO WAFER 917790 1 AMP 12 25MM STRAIGHT SN AMP COM 1111111 15 6630JB8010A CONNECTOR CIRO WAFER 917791 1 13 COMM STRAIGHT SN AMP
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24. eid 0191 step MOTOR g seu om DAMP ro sw DAR 0INOI ser coe ne R29 w CES R31 m R42 83 2 Teer 2 R32 ww gt o ef Li R39 H 3 45 x H H EROS H Ze R38 2 R45 ww R46 WOOU K E 40108 4315 WOOU W uns IMOOH M WOOU W 47 EXPLANATION FOR MICOM CIRCUIT 2 2 Parts list LRSC269
25. OR SOLENOID CUBE N SOR SOLENOID DISPENSER 12 BL N STEPPING MOTOR BL N BL N RUNNING R2 SENSOR EE PK CAPACITOR BL N R1 SENSOR ub 1 STARTING R DOOR OPEN PERCEPTION 0 1 522 00 CAPACITOR BL N HEATER SHEET DAMPER HH ERRER N 56 1 66 30 BL N COMPRESSOR EARTH PART ASSEMBLY PWB ASSEMB DISPLAY WATER TANK E SENSOR mm 1 9 R DOOR 1 9 SWITCH CON101 AUREAS LH PK BO HEATER SHEET DUCT DOOR IL OPTICHILL HEATER 3854JD1092B BLACK BN BROWN BO BRIGHT ORANGE GY GRAY RD RED YELLOW GN GREEN PR PURPLE WH WHITE WH BK WHITE BLACK SKY BLUE PK PINK GN YN GREEN YELLOW BL WH BLUE WHITE RD WH RED WHITE 60 CIRCUIT CIRCUIT DIAGRAM LRSC26930 N NEUTRAL PWB ASSEMBLY MAIN BL 14 FREEZER FAN MOTOR BLDC PR 13 YL 12 SB 11 MOTOR BLDC BN 10 LGY
26. uonng 99 NIVIN AL H3183ANI v4 1ydllyoeg YALYSANI LAdLNO m ua L 83183ANI 14611528 SOO MS LMG L LOdlno lt Y 93 gt yV3dS 84 14615528 991 09711531 PEN 19 041UOO PUB gt eu 01 0010 se 10U ULI AL wel elg uorjounJ Al 111 TV RADIO 7 TV PART DISASSEMBLE Place tape on the outer edge of the TV case to protect the soft plastic from damage 2 or 3 layers is recommended Using a flat bladed screwdriver carefully pry the trim loose from the frame e Carefully remove the trim Remove two phillips head screws located at the top of the TV Tip the TV forward and disconnect all wires Carefully remove the TV 112 EXPLODED VIEWS DISPENSER RELATED PARTS FRAME ASSEMBLY DISPLAY DISPENSER COVER PWB PCB ASSEMBLY DISPLAY FUNNEL ASSEMBLY MICRO SWITCH FUNNEL FRAME LEVER SWITCH FUNNEL FUNNEL GUIDE ROCKER SWITCH SOLENOID ASSEMBLY SPRING LEVER HOLDER DUCT CAP DISPENSER LEVER BUSHNIG CAP BUTTON ASSEMBLY BUTTON BUTTON HOLDER DRAIN GRILLE 47 Assembly Duct Detailed Drawings 113 EXPLODED VIEWS FREEZER DOOR PART
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28. PDO P30 P31 P32 P33 P34 P50 AINO RESET VLC Xin Xout P51 AIN1 P52 AIN2 P53 AIN3 P54 AIN4 NC 51 26 cm CD 25 COM 74 COM2 73 4 72 5 5 60 n 5 1 70 7 sEc2 169 8 68 9 sEc4 67 osEkc5 66 65 12 3cc7 164 63 14 sEce 22 15 SEG10 SEG11 60 17 3 12 59 18 SEc13 58 19 SEG14 57 20 5 015 56 21 sEG16 5 225 17 4 __________23 sEG18 B3 24 5 619 t52 23 sEG20 51 26 sEc21 pO ____________24 52622 49 28 5 023 0108 T KRA106S m BUZZER KRC106S BM 20B ae AKHz 9 a zx R154 220 0103 R105 aus t 4t 1K KRC106S IN 10 gt Sila 25 247 L SWIO1 QF _ sw102 S 26 MET s SW103 F 27 6 28 OUO SW104 R 29 L sw105 Fc o e sw 30 sH smiostLock R119 R122 4 7Kx4 Ha 1 CS Vcc 8 T 32 2 sk 3 ne 35 3 5 6 104 DI NOX 34 4 5 GND nt 78 79 80 5 6 8 11 16 19 35 37 41 48 m EXPLANATION FOR MICOM CIRCUIT 2 4 LRSC26910 LRSC26911 LRSC26920 LRSC26922 LRSC26930 DISPLAY ASSEMBLY part diagram
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30. Las ws ues OIM 16 Xout 2 15 RUZ Ba TT pis 34 330 1 2W 1136 1 1 Gc Gc Swi GoA 8 1 pra 33 lig l EI 330 1 2W 1 E us ex exor um 8 jpo4 nal allis RU 2 l ped 2 7 3301 2w Lt um SE sk POS a 95 p12 H1 512 gt 1 1 a 330 1 2w tej 1 5168 5 1 1 SH GOA BF 1 5 5 Steno 4 mE el Rn6 330 1 2w 2 ue 1C107 5 Bo MIDBSOOSAF 7 y mee 330 1 2W ex Il Huse use amp 1 1 H Pt 26 215 115 RNS ji P67 PC R109 Fg 330 1 2W 7 dum 102 11 I pest 25 pet 2703720 au Me 1176 77 1101102 iF ul E 2 AR 1 1 R120 13 pest 24 S bet 11 270 1 2W 15 16 L103 104 I R121 pest gt Woy 270 2 DA D107 D108 Dno p D111 2 ms weno 2 11 416 2 smos P sw 2 smos P sew Ld RI22 123 38 00 109 102 PWB ASSEMBLY DISPLAY 53 EXPLANATION FOR MICOM CIRCUIT 3 PWB Circuit Diagram may vary according to model LRSC269
31. 1 1 49 0RJ3300H680 RESISTOR METAL GLAZEDC 330 OHM 1 7 2 5025 5 00 D ROHM R118 1 1 50 0 0000 679 RESISTUR METAL GLAZED 0 OHM 1 8 V 57 2012 R TP ROHM DPKEXPORT NAESUI 1 1 5 ORJ0000E672 RESISTOR METAL GLAZEDC 0 OHM 178 V 5 2012 R TP ROHM DP2 lt JET EXPRESSI 1 52 ORJ0000E672 RESISTOR METAL GLAZEDC 0 OHM 178 5 2012 R TP ROHM IP3XUSA EXTRA 1 1 1 1 1 1 53 ODZRMOOISSA DIODE ZENERS RLZ ROHM R TP LLDSCLL 34 500 5 6V 20 ROHM 20101 6 6 6 6 6 54 ODRRMOOO2BA DIODE RECTIFIERS RLR4004 R TP 5 23 400V 1A 20A SEC 10 101 106 6 6 6 61 61 6 55 0DSRM00068A _ DIDDE SWITCHING RLS4148 ROHM R TP LLDS lt LL 34 75V 450 2000 ROHM D107 112 1 1 1 1 1 56 6 16 57 01115004844 LED GREEN YELLDIWC HE SEDUL L158 173 RT Si 51 51 51 51 51 58 ODLLEOO48AA GREEN YELLDIWCIHIE SEQUL L101 131 134 147 150 153 176 177 a 59 ODLLEOOA8AA LED GREEN YELLDIWC I SEDUL 1154 1570 2 2 60 ODLLEOO48AA LED GREEN YELLOW 41 ISEQUL L178 179CUNLOCK 6 6 61 ODLLEOOASAA LED GREEN YELLDWC MHE SEOUL L132 133 148 149 174 175 exea z ar Te E 5 icpa 1 1 1 64 6908JB8003A BUZZER PIEZD CERAMIC BM 20B BUJEON PIEZO 4KHZ 8508 BUJELIN BUZZER 6 6 6 61 6 6 65 6600RRT002J 5 JTP1138A JEI
32. p109 uo Jamod sonseo N S429u2 LL 73 TROUBLE DIAGNOSIS SI eui suuoged eq ue eu yo s eui Jesuepuoo 1105 y snp eui uonelpes Jeay 104 Slueulwueluoo pue snp pue d y Jesuepuoo uo Y42949 jueumnreduJoo ul JB uo 1snp xeu 09 eu eui ui suonipuoo uoneipei peg Sjeeus 10 Joop 100 loop 6es Joop reda pue sesneo 6ulol WINUONQ uonnq UolIws 100p ljouueo ood uone4edo ol sseid pue eJnssaJd uonng nge yosuo ol 55914 Uoeledo youms Joop ol uoneuuojep pnoJus Aq 5 5 eoe daoi
33. I00UF MV 16 207 R TPISMD gt SMD CE101 102 1 1 1 i 1 34 OCE476VF6DC CAPACITOR FIXED ELECTR 470 MV 16V 20 R TPCSMD gt SMD SAMHWA CE103 Se E E Seales z 8 8 el 8 8 37 OCKIO4DK94A CAPACITOR FIXED CERAMI 100NF 2012 50 80 20 R TP FCYSV MURATA CC101 108 1 1 1 1 1 1 38 0 020 96 CAPACITUR FIXED CERAMI INF 2012 50V 80 20 R TP X7R MURATA 109 1 111111 1 39 0001 622 RESISTOR METAL GLAZEDC 100 OHM 1 7 8 w 2012 5 00 D ROHM R123 1 1 1 1 40 orRD2200E672 RESISTOR METAL GLAZED 220 OHM 1 8 V 5 2012 R TP ROHM R106 21212121 2 41 08010016672 RESISTOR METAL GLAZEDC 1 8 57 2012 R TP IROHM R102 107 2 2 2 2 2 2 22 ORDe001E672 RESISTOR METAL GLAZED 2K DHM 178 W 5 2012 R TP ROHM 101122 6 6 6 6 43 0RD4701E672 RESISTUR METAL GLAZETX 4 7 1 8 w 5 2012 R TP ROHM R103 104 108 110 125 1 1 44 08121004672 5 GLAZEDC 1M OHM 1 8 5 2012 R TP ROHM R105 5 1 1 1 1 1 1 46 ORJ0682G676 RESISTUR METAL GLAZEIC 68 OHM 1 7 4 V 3216 5 00 D ROHM R124 3 3 3 3 3 3 47 0RJ2700H680 RESISTOR METAL GLAZEDC 270 DHM 1 2 W 5025 5 00 D R119 121 7 7 7 7 7 7 48 0RJ3300H680 RESISTOR METAL GLAZEDC 330 OHM 1 7 2 W 5025 5 00 D ROHM 111 117
34. cold storage room Closing Opening Closing Opening Closing or home bar 3 Times 3 Times 3Tmes 3 Tines BUZZER gt Within A minute 230230 30 minute seconds seconds seconds 2 11 Button selection buzzer bell 1 The DING sounds if you press any button on the front display 25 MICOM FUNCTION 2 12 Automatic Defrost Signal 1 The beep will sound if you press the test button on the main PCB 2 The regular cycle sounds three short beeps one second apart 3 When you select the automatic defrost cycle the alarm sounds three series of three short beeps one minute apart 2 13 Defrost Function 1 Automatic defrost is performed whenever the compressor run time totals 71 2 hours 2 At initial power up the defrost cycle will run when the total compressor runtime is 41 2 hours 3 Defrost is completed when the defrost sensor temperature rises above 41 F 5 C during the defrost cycle The defrost cycle will terminate if the defrost sensor temperature does not achieve 41 F 5 C within two hours 4 The defrost cycle will not operate if the defrost sensor fails 2 14 Refrigerator compartment lamp automatically off 1 The refrigerator light is turned ON and OFF by the refrigerator door switch 2 If the refrigerator light is on for more than 7 minutes it will be turned off automatically It will operate normally if you close the door and re open it 26 MICOM FUNCTION 2 15 Se
35. inserted length of a capillary tube into a drier should 125 mm Drier Molecular Pipe 7 Make sure that the inner diameter is not distorted while cutting a capillary tube 8 Be sure that suction pipe and the filling tube should not be substituted each other during welding High efficiency 95 TROUBLE DIAGNOSIS 6 Brazing Reference Drawings PIPE ASSEMBLY HOT LINE Freezer Copper Brazer Copper Brazer OX CAPI TUBE DRIER ASSEMBLY Silver Brazer PIPE ASSEMBLY SUCTION E PIPE ASSEMBLY JOINT Copper Brazer PIPE ASSEMBLY aa ASSEMBLY WIRE Copper Brazer Silver Brazer Copper Brazer Coppper Brazer 96 TROUBLE DIAGNOSIS HOW TO DEAL WITH CLAIMS 1 Sound Problems Checks and Measures Hiss sounds Explain general principles of 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 Hiss sounds are heard when the air passes through the narrow holes into the freezer and refrigerator compartments Cooling Fan sound in the compressor compartment There is a fan on the back of the refrigerator which cools the compressor compartment If there is a small space between the refrigerator and the wall the air circulation sounds may be noticeable Noise of Compressor This operating sound happe
36. C 9 F 180 2 5 C 4 5 F Warmer 56 kQ 4 C 7 2 F 56 kQ 2 0 C 3 6 F 33 KQ 3 C 5 4 F 33 1 5 C 2 7 F 18 2 C 3 6 F 18 1 0 C 1 8 F 12 1 C 1 8 F 12 0 5 C 0 9 F 10 0 C 096 10 0 0 F Reference temperature 8 2 1 C 1 8 F 8 2 0 5 C 0 9 F 5 6 2 C 3 6 F 5 6 1 0 C 1 8 F 3 3 3 C 5 4 F 3 3 kQ 1 5 C 2 7 F 2 4 C 7 2 F 2 2 0 C 3 6 F 470 0 5 C 9 F 470 0 2 5 C 4 5 F Cooler gt Temperature compensation table by adjustment value difference value against current temperature Ex If you change compensation resistance of RCR1 from 10 current resistance to 18 modified resistance the temperature will increase by 1 C 1 8 F 41 EXPLANATION FOR MICOM CIRCUIT gt Temperature compensation table for the refrigerator is as follows Modification 2 4700 2kQ 3 3 5 6 2kO 10kO 12 18kQ 33kO 56ko 180kQ resistance No 05 C 1 C 1 5 2 C 2 5 3 C 3 5 4 C 4 5 5 C 4700 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F 5 4 F 6 3 F 7 2 F 8 1 F 9 F change Up Up Up Up Up Up Up Up Up Up 0 5 C No 05 C 1 C 1 590 2 C 2 5 3 C 3 5 4 C 45 C 2kQ 0 9 F 0
37. JET FREZER ROH BOX FAN FREEZER DOOR OPEN PERCEPTION DEFROST SENSOR FREEZER SENSOR lg OPTICHIL SENSOR OPTICHIL my STEPPING MOTOR HEATER SHEET DAMPER OPTICHIL DISPLAY STEPPING MOTOR REF UPPER SENSOR REF LOWER SENSOR REF DOOROPEN OPEN PERCEPTION HEATER SHEET AI DAMPER PWB ASSEMBLY DISPLAY WATER TANK SENSOR AMBIENT 101 SENSOR immi HEATER SHEET DUCT DOOR BK FUSE WH 250 15A GN YL GN PLATE DISP 1114 82 FUSE MELTING 72 C SB KIT 5 sB FREEZER LAMP FREEZER DOOR SWITCH 5 4 3 PR 2 1 BN Ne SOLENOID CUBE SOR Q a WH N WATER DISP LAMP DISPENSER LEVER S W ojek RE
38. components that appear to have overheated or are otherwise damaged should be replaced with new components 2 After servicing be sure that the protected equipment is assembled 3 When you don t watch TV use the POWER button turn it off 1 2 Notes 1 When inserting the instrument or circuit board fix the leads to the jack before soldering 2 Insert higher voltage resistors with a 10mm gap above the PWB 3 Don t touch hot chassis leads 2 FEATURE 2 1 Auto Program tuning All stations that can be received are stored 2 2 Auto Sleep TV will automatically switch itself to standby mode approximately ten minutes after TV station stops broadcasting 2 3 Auto Search FM RADIO Press the TV RADIO button and then hold or button for more than 1 second to select RADIO Menu 107 TV RADIO 3 CONTROLS 2 gt m Power Button Antenna Jack MENU ENTER WCHATUN A VCHTUNE MENU PRESET ENTER MEMORY Menu Preset Button Enter Memory Button Channel Tune Button 108 Remote Control Sensor 4 VOL TV RADIO POWER 00009 4 VOLUME gt TV RADIO POWER TV Radio Button Volume Button Power Standby Indicator Glows red in Standby mode Glows green when the TV is
39. 1 1 n 6630J88005C CUNNECTUR CCIRC VAFER 5 250 04 YEUN HU CUNI01 2 1 11111111113 01772820360 IC DRAVING TMP87CH47U 44P GFP44 P 1010 TRAY CH PJT USA TOSHIBA TCIOICO R gt ul E E a EA Ee Ee Leu m peur z z False E E 1 20 OISTLMIO01A IC STANDARD LUGIC M54563FP MITSUBISHI 20 R TP CUNVERT MITSUBISHI IC105 2 2 2 2 2 2 ail 01 650030 IC KEC KID65003AF 165 BK 7CH DRIVER 1 106 107 T P m E 1 23 0 5 002 IC STANDARD KIA78L0SF 5 89 REGULATOR 02 1 1 1 1 1 1 24 OISTLKEO03A _ IC STANDARD LOGIC KIA7042AF 5 89 RESET IC103 11111 55 OIRH934600D BRISLCAERF W SPIN SUP EEPROM RUHM 1 104 1171 1 1 1 1 26 OISTLKEOO4A IC STANDARD LOGIC KRA106S 5 03 TRANSISTOR 0104 3 3 3 3 3 3 27 OISTLKE005A IC STANDARD LOGIC KRC106S SOT 23 TRANSISTOR 01017103 1 2 zz E 1 30 6212883245 RESONATOR CERAMIC CSTCR4M00653 RO MURATA 4 0 2 0 57 T R SMD MURATA 05 101 zn i E 2 2 2 2 2 33 0CEI07VFGDC CAPACITUR FIXED ELECTR
40. C 77 F Be sure to keep 5g in the winer and 5g in summer Calculation of amount of refrigerant charged the amount of refrigerant charged weight after charging weight before charging weight of an evacuated cylinder 94 TROUBLE DIAGNOSIS Items Precautions Evaporator gt lt Hot Line Compressor 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 6 Gas leakage test Test for leaks on the welded or suspicious area with an electronic leakage tester 7 Pipe arrangement in each cycle When replacing components be sure each pipe is replaced in its original position before closing the cover of the mechanical area 5 Standard Regulations For Heavy Repair 3 4 5 6 gt 1 Observe the safety precautions for gas handling 2 Use JIG or a wet towel in order to prevent electric wires from burning during welding In order to prevent insulation break and accident The inner case will melt and the insulation will burn The copper piping will oxidize Do not allow aluminum and copper pipes to touch In order to prevent corrosion Observe that
41. Display FILTER RESET HOLD 3SECS 20 MICOM FUNCTION 2 2 Dispenser use selection You can select water or ice LCD LED Select water crushed ice or ice cubes by cycling through the selections when DISPENSER CUBE CUBE pressing the DISPENSER button Hold your cup in the dispenser for a few seconds after dispensing ice or water to MATER allow the last pieces of ice or drops of water to fall into the cup P Pressing Switch 2 3 Express freezing JET freezing selection Please select this function for prompt freezing The functions are cycled in the order shown below when the EXPRESS JET FRZ button is pressed The arrow mark graphic remains at the On status after flickering 4 times when selecting Special Refrigeration EXPRESS FRZ or JET FRZ EXPRESS FREEZE and JET FREEZE operate for a set time and then default to normal freezer operation LCD LRSC26944 LRSC26980TT EXPRESS JET FRZ EXPRESS FRZ N N p Q Q JET FRZ LED LRSC26930 EXPRESS JET FRZ EXPRESS JET LED LRSC26910 LRSC26911 LRSC26920 LRSC26922 EXPRESS FRZ ON OFF 2 4 Dispenser Light Dispenser switch or dispenser light button turns the dispenser light in the dispenser on and off The dispenser light turns off automatically after 7 minutes C VIEN Dispenser light ON OFF Dispenser light ON Dispenser light OFF LED LCD LCD 21
42. High pressure side Intake 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 Then use the appropriate recovery equipment to recover the refrigerant from the system When the refrigerant has been recovered install a piercing type valve on the low pressure side IT IS IMPORTANT TO OPEN THE SYSTEM IN THIS ORDER TO KEEP THE OIL FROM BEING FORCED OUT The use of piercing type valves will allow future servicing and eliminates the possibility of a defective pinch off 2 Nitrogen blowing welding Evaporator KEY POINT Welding without nitrogen blowing produces oxidized scales inside a pipe which affect performance and reliability of a product Hot Line J High pressure side Refrigen Condenser Intake When replacing a drier Weld parts by blowing nitrogen 0 1 0 2kg cm2 to high pressure side after assembling a drier When replacing a compressor Weld and 2 parts by blowing nitrogen to the low pressure side Note For other parts nitrogen blowing is not necessary because it does not produce oxidized scales inside pipe because of its short welding time 3 Replacement of drier Unit mm KEY POINT Be sure to check the inserted length of capillary tube when it is inserted If inserted too far the capillary tube will be Filter bl
43. LRSC26920 LRSC26922 LRSC26930 LRSC26944 LRSC26980TT Optional part EXPLODED VIEWS REFRIGERATOR DOOR PART LRSC26920 LRSC26922 LRSC26930 LRSC26944 Optional part 115 EXPLODED VIEWS REFRIGERATOR DOOR PART LRSC26980TT Optional part 116 EV EXPLODED VIEWS FREEZER COMPARTMENT LRSC26920 LRSC26922 LRSC26930 LRSC26944 LRSC26980TT Optional part 117 EXPLODED VIEWS REFRIGERATOR COMPARTMENT LRSC26920 LRSC26922 LRSC26930 LRSC26944 Optional part 09 i i P 1 OD 1 1 EXPLODED VIEWS REFRIGERATOR COMPARTMENT LRSC26980TT Optional part ve 0000 EA EV EXPLODED VIEWS LRSC26930 LRSC26944 LRSC26980TT ICE amp WATER PART LRSC26920 LRSC26922 Optional part 120 EV EXPLODED VIEWS MACHINE COMPARTMENT LRSC26920 LRSC26922 LRSC26930 LRSC26944 LRSC26980TT Optional part N II 121 EV EXPLODED VIEWS DISPENSER PART LRSC26920 LRSC26922 LRSC26930 LRSC26944 LRSC26980TT Optional part 122 EXPLODED VIEWS FREEZER DOOR PART LRSC26910 LRSC26911 EXPLO
44. SPECIFICATIONS Ref No LRSC26930 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS 908 x 896 x 1771 mm DRIER MOLECULAR SIEVE XH 7 WxDxH 3511 16 355 16 6911 16 in CAPILLARY TUBE ID 00 83 NET WEIGHT 149 kg 328 5 165 FIRST DEFROST 4 5 Hours COOLING SYSTEM Fan Cooling DEFROST CYCLE 13 15 Hours TEMPERATURE CONTROL Micom Control DEFROSTING DEVICE Heater Sheath DEFROSTING SYSTEM Full Automatic ANTI SWEAT HEATER Heater Defrost Dispenser Duct Door Heater Dispenser Heater INSULATION Cyclo Pentane ANTI FREEZING HEATER Water Tank Heater COMPRESSOR PTC Starting Type Damper Heater EVAPORATOR Fin Tube Type FREEZER LAMP 40W 1 EA CONDENSER Wire Condenser REFRIGERATOR LAMP 40W 4 EA REFRIGERANT R134a 1859 61 2 oz DISPENSER LAMP 15W 1 EA LUBRICATING OIL 10G 320 cc 1004 mm 391 2 in 1771 mm 6911 46 1741 5 mm 681 gt in Front View 1746 5 mm 683 4 in 908 mm 353 in 779 mm 305 in 829 mm 325 s in 897 mm 355 16 in 1261 mm 495 in 1771 mm 6911 16 in SPECIFICATIONS Ref LRSC26920 LRSC26922 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS 908 x 896 x 1771 mm DRIER MOLECULAR SIEVE XH 7 WxDxH 3511 16 355 16 6911 16 in CAPILLARY T
45. ZAH Aelel Y99040 esuedsip JeleN peleloosse sued Jelsel sued Jo eouejsiseJ Y29049 1esuedsip pue egno esuedsip pejeroosse syed 191591 2 oaUO plougjos 1esuedsip pue esuedsip peleloosse 10 91 01048 AS ueewjeq si YO SI pesseid UOUMS JeAel sleuluuel Indlno Jeldnoo eBueuo MoeuUD syed 914eldnoo eAloejed yams 1e e eoejdeu sued JOOP ol sued uos Jona Jesuedsip yum 4oeu5 8JIM Jelsel YM peleloosse 1 YOOUD YOUMS Jona ol Od peaj pesuedsip jou pue 92 Jesuedsip peg UolNS Joop Juswpedwoo 1929944 sued ul YOUMS JOOP ol sued yoms Joop 18299 eAnoejeq ois Joop peleloosse peaj 9 U9I
46. compartment will not be cooled 99 TROUBLE DIAGNOSIS 3 Odor and Frost Problems Checks and Measures Odor in the refrigerator compartment E Explain the basic principles of food odor 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 The deodorizer can absorb some portions of the odor but not completely The intensity of odor depends on refrigerator conditions and environments Check the temperature control button and set at strong Clean inside of the refrigerator with detergent and remove moisture Dry inside the refrigerator by opening the door for about 3 or 4 hours and then set the temperature control button at strong Frost in the freezer compartment Explain the basic principles of frost formation The main causes for frosting Door was left open Air penetration through the gasket Too frequent door opening parties etc Hot foods are stored before they are cooled down The temperature of freezer is 19 C 2 2 F if temperature is set at MID If hot air comes into the refrigerator fine frost forms as cold air mixes with hot air If this happens quite often much frost forms inside of the refrigerator If the door is left open in Summer ice may form inside of the refrigerator Frost in ice tray E Explain basic principles of f
47. mz SOLENOID DISPENSER PS gt 4 RUNNING CAI PACITOR u BEEREE vs A N STARTING CAPACITOR E COMPRESSOR EARTH PART ASSEMBLY REF DOOR SWITCH 3854JD1092C BK BLACK BN YL YELLOW GN SB SKY BLUE PK BROWN GREEN PINK BO BRIGHT ORANGE PR PURPLE GREEN YELLOW GN YN 61 GY GRAY WH WHITE BL WH BLUE WHITE RD RD WH BK RED WHITE BLACK RED WHITE CIRCUIT CIRCUIT DIAGRAM LRSC26920 LRSC26922 N NEUTRAL PWB ASSEMBLY MAIN FUSE Ei 250VAC 15A GN YL GN HEATER PLATE DISP RD NZ PR HEATER SHEATH FUSE MELTING 72 C m EN ES o FREEZER FAN MOTOR BLDC COMPRESSOR FAN M MOTOR BLDC FREEZER DOOR OPEN PERCEPTION DEFROST SENSOR Ds A 5 D lt ko 555 oong w O Io I m foo FREEZER SENSOR FREEZER LAMP FREEZER DOOR 1 SWITCH Q o z ES ICEMAKER KIT x E AUGER MOTOR STEPPING LYL BL WATER R
48. 2 If there is a power failure the Jet Freezing cycle is released and the freezer defaults to its original setting 3 If Jet Freezing is selected the compressor after the compressor delay time has passed and the freezer fan will be turned on The temperature in the freezer will drop and the fan motor will be turned off for a set time but the Jet Freezing fan will run for no more than two hours After that the Jet Freezing function is terminated and the freezer defaults to its original setting 4 To keep the fan motor from freezing it is switched on for 10 seconds once an hour The fan motor of jet freezing box will not be detected as a failure dc 12v operation 6 When checking the Jet Freezing function the Jet Freezing Compartment fan motor is switched on for 1 minute if the freezer adjustment button or the Express Freeze button is pressed for more than one second 22 MICOM FUNCTION 2 7 OptiChill Function gt LRSC26944 LRSC26980TT 2 7 1 OptiChill Temperature Control 1 The Optichill is positioned at the bottom of the refrigerator compartment It allows the user to select a more specific temperature based on the foods being stored such as meat fish fruits and vegetables etc 2 The Optichill system consists of a sensor at the rear of the drawer a damper a fan motor between the Optichill compartment and the freezer a heater at the bottom of the Optichill compartment and a temperature adjustment display
49. 481 UD IDIUDE RECTIF IERS N4007 TP MOTOROLA 1 JELTA PYUNGCHANG 49 00041480988 QDE SWITCHING IN4148 ROAM 0035 75V 450MIL ROAM PYUNGCHANG 1 FTT TT T T To 50 0D7RMDOTESA q RCZ ROAM R TP LLDSCL 34 900MW 3 6 V COMA PF I T 1 a OCES76ZVGE0 CAPACITOR F DED ELECTROLYTIC 47UF 450V 207 BULK SNAP IN RUBYCU CETGOS C 58 00268670610 CAPACITOR FIXED ELECTROLYTIC HE 400V 207 BULK SNAP IN RUBYCU 1405 9 CAPACTTUR FIXED ELECTROLYTIC 2eUf 50V 207 FMS TP 5 RUBYCO CETO TIT T T s E GIU TAPA RFDEDE T000UF YXU 25V 207 BULK FL RUBYCUN 05 O TITIT IT ss UCHIUSZJ6IU CAPACITURFIXED ELECTROLYTIC YXO 35V 02 TP SFL RUBYCH CERTST I JS I 1 0CE 76F838 CAPACITUR FIXED ELECTROLYTIC 220UF 5 5 54 16V 207 FMS TP 3 RUBYCO 5 2 57 0CE227BH838 CAPACITUR FDXED ELECTROLYTIC KME TYPE 25V 202 FMS TP 5 SAM WHA 14050 8 51 8 8 58 UCLIUGERS38 CAPACITUR FIXED ELECTROLYTIC DUF KM TYPE SUV 207 FMS IP 5 RUEYCU CE amp 9 2 13 O 1 1 59 0CEI06EKG38 CAPACITUR FIXED ELECTROLYTIC OUF KM TYPE 30V 207 FMS TP 5 RUBYCI 16 85 2 11116 0CE036K638 CAPACITURFIXED ELECTROLYTIC UF SMS SG 50V 20 FMS TP 5 RUBYCO 14 85 111161 0 56 6388_ CAPACITORFIXED ELECTROLYTIC UF SMS S SOV 207 FMS 5 RUBYCO 15 85 1 1 1 1 ee 0CF33408670 CAPACI
50. Charge while compressor operates Weld carefully after pinching off the inlet pipe R134a exclusive charging canister mass cylinder refrigerant R134a manifold gauge electronic scales pinch off plier gas welding machine Check refrigerant leak and cooling capacity Check leak at weld joints Minute leak Use electronic leak detector Big leak Check visually Note Do not use soapy water for check Check cooling capacity Check radiator manually to see if warm Check hot line pipe manually to see if warm Check frost formation on the whole surface of the evaporator Electronic Leak Detector Driver Ruler Compressor compartment and tools arrangemen Remove flux from the silver weld joints with soft brush or wet rag Flux may be the cause of corrosion and leaks Clean R134a exclusive tools and store them in a clean tool box or in their place Copper brush Rag Tool box Transportation and installation Installation should be conducted in accordance with the standard installation procedure Leave space of more than 5 cm 2 inches from the wall for compressor compartment cooling fan mounted model 91 TROUBLE DIAGNOSIS 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 af
51. Door Rack Automatic Icemaker Lamp Shelf Door Rack Drawer Wire Plastic Door Rack Lower Cover gt Cover Water Tubes Freezer Refrigerator Compartment Compartment gt 7 SD p SS e 23 Zr Humidity Switch 12 Water Filter Dairy Products Corner Lamp Shelf Door Rack Wine Holder Egg Box Snack Drawer Bottle Guide Shelf Door Rack Vegetable Drawer Vegetable Drawer Meat Drawer PARTS IDENTIFICATION Ref No LRSC26980TT Display Panel Dispenser Lamp Ice amp Water Dispenser Button Door Rack Automatic Icemaker Lamp Shelf Door Rack Drawer Wire Plastic Door Rack Lower Cover Freezer Compartment PCB Cover Water Tubes 0000000000 Refrigerator Compartment m OptiChill Display 195 wu Un Humidity Switch Water Filter Dairy Products Corner Lamp Shelf Can Server Grab and Go Egg Box Snack Drawer Shelf Bottle Guide Door Rack Vegetable Drawer OptiChill HOW TO INSTALL
52. Heater EVAPORATOR Fin Tube Type FREEZER LAMP 40W 2 EA CONDENSER Wire Condenser REFRIGERATOR LAMP 40W 4 EA REFRIGERANT R134a 185g 61 2 02 DISPENSER LAMP 15W 1 EA LUBRICATING OIL FREOL 10G 320 cc 1771 mm 6911 46 in 1741 5 mm 681 2 in Front View 1746 5 mm 683 4 in 908 mm 353 4 in 1771 mm 6911 46 1004 mm 391 2 in 897 mm 355 16 in 1261 mm 499 8 in Top View PARTS IDENTIFICATION Ref LRSC26944 Display Panel Dispenser Lamp Ice amp Water Dispenser Button Door Rack Automatic Icemaker Lamp Shelf Door Rack Drawer Wire Plastic Door Rack Lower Cover Freezer Compartment PCB Cover Water Tubes Refrigerator Compartment e OptiChill Display Humidity Switch Water Filter Dairy Products Corner Lamp Shelf Can Server Grab and Go Egg Box Snack Drawer Bottle Guide Shelf Door Rack Vegetable Drawer OptiChill PARTS IDENTIFICATION Ref No LRSC26930 Display Panel Dispenser Lamp Ice amp Water Dispenser Button Door Rack Automatic Icemaker Lamp Shelf Door Rack Drawer Wire Plastic Door Rack Low
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54. MICOM FUNCTION 2 5 Express freezing 1 EXPRESS FREEZING improves the cooling speed of the freezer by running the compressor and the freezer fan 2 In the event of power failure EXPRESS FREEZING is cancelled and the freezer defaults to normal operation 3 The temperature setting is not changed when EXPRESS FREEZING is selected 4 The freezer compartment and refrigerator temperature settings can be changed even when EXPRESS FREEZING is selected and the cycle is underway The refrigerator compartment will operate at its usual setting even when EXPRESS FREEZING is selected or in progress If you select EXPRESS FREEZING the refrigerator will default to its original setting at the end of the cycle 7 If the defrost cycle is scheduled to come on while EXPRESS FREEZING is selected EXPRESS FREEZING will operate only for the time that is not used by the defrost setting 8 If you press EXPRESS FREEZING during the defrost cycle the EXPRESS FREEZING indicator will turn on but the cycle will not run until the defrost cycle is completed 9 If you press EXPRESS FREEZING within 7 minutes of the compressor s last run cycle the EXPRESS FREEZING cycle will not begin until the 7 minute delay is complete 10 The freezer fan runs at high speed when Express Freezing is selected 2 6 Jet Freezing 1 Jet Freezing improves the cooling speed of the Jet Freezing Compartment by running the compressor and the Jet Freezing Compartment fan
55. REFRIGERATOR How to Adjust Door Height of Refrigerator Level the refrigerator first If the refrigerator is not installed on a flat floor the height of freezer and refrigerator doors may not be the same If the freezer door is lower than the refrigerator door If the freezer door is higher than the refrigerator door Height Difference D Adjusting 1 1 Screw 1 7 Pd E d Insert a driver into the groove of the adjusting Insert a driver into the groove of the adjusting screw and turn in the direction of the arrow clockwise screw and turn in the direction of the arrow clockwise until the refrigerator is level until the refrigerator is level 14 HOW TO INSTALL REFRIGERATOR Filter Replace the filter when the indicator light comes on or the performance of the icemaker or water dispenser decreases noticeably 2 After changing the water filter cartridge reset the water filter status display and indicator light by pressing and holding the BUTTON for 3 seconds page 18 1 Remove the old cartridge Twist the knob of the cartridge counter clockwise J When the cartridge is removed you will feel it click Pull out the cartridge 7 NOTE There will be some water 25cc in the filter cartridge Some spilling may occur Catch it in a bowl or towel 2 Replace with a new cartridge Take the new cartridge out of its pac
56. Replace drier whenever from pipe repairing refrigerator cycle piping 7 Leak check Do not use soapy Detect Check oil leak at refrigerant leak area Use electronic leak detector if oil leak is not found The electronic leak detector is very sensitive to halogen gas in the air It also can detect R141b in urethane Please practice therefore many times before use 90 TROUBLE DIAGNOSIS 2 Summary Of Heavy Repair Process Contents Tools Trouble diagnosis Remove Residuals Cut charging pipe ends and discharge refrigerant from drier and compressor Filter side cutters Parts replacement and welding Use R134a oil and refrigerant for compressor and drier Confirm Nz sealing and packing conditions before use Use good one for welding and assembly Weld under nitrogen gas atmosphere 2 gas pressure 0 1 0 2kg cm Repair in a clean and dry place Pipe Cutter Gas welder gas Evacuate for more than forty minutes after connecting manifold gauge hose and vacuum pump to high drier and low compressor refrigerant discharging parts pressure sides Evacuation Speed 113 liters minute Vacuum pump R134a exclusively Manifold gauge Refrigerant charging charging inlet welding Weigh and control the allowance of R134a charging canister in a vacuum conditions to be 5 g with electronic scales and charge through compressor inlet
57. The water amount will vary depending 2 1 on the Water Control Switch setting as 3 5 sec well as the water pressure of the connected water line 4 5 5 sec Co BE EI 5 6 sec co 16 HOW TO INSTALL REFRIGERATOR WARNING Personal Injury Hazard Avoid contact with the moving parts of the ejector mechanism or with the heating element that releases the cubes DO NOT place fingers or hands on the automatic icemaking mechanism while the refrigerator is plugged in 2 Operating instructions newly installed refrigerator may take up to 24 hours to begin making ice Icemaker eeler Arm _ Cube Size Power Switch Indicator Light Water Supply Control Switch The icemaker will produce eight cubes per cycle approximately 120 150 cubes in a 24 hour period depending on freezer compartment temperature room temperature number of door openings and other operating conditions If the refrigerator is used before the water connection is made to the icemaker set the power switch to O off When the refrigerator has been connected to the water supply set the power switch to I on The icemaker will fill with water when it cools to freezing A newly installed refrigerator may take up to 24 hours to begin making ice cubes Throw away the first few batches of ice to allow the water line to clear Be sure nothing interferes with the sweep of the feeler
58. Vibration sound Aged rubber seat Bad torque for assembling motor bracket contact Shroud burr contact Damping evaporator contact Residual frost contact Damaged heater cord n Narrow evaporator interval Sounds from fan Fan guide contact Unbalanced fan sounds Unbalanced Surface machining conditions Fan distortion Misshappen Ice on the fan Air intake opposite to motor bushing assembly I Motor shaft Supporter distorted contact sounds Tilted during motor assembly m Resonance Evaporator noise Evaporator pipe contact No damping evaporator Sound from refrigerant Stainless steel pipe shape accumulator Sound from fin evaporator and pipe during expansion and contraction 3 Bowls and bottles make contact on top shelf 4 Refrigerator roof contact 5 Refrigerator side contact 6 Insufficient lubricants on door hinge 70 TROUBLE DIAGNOSIS 9 Faulty internal voltage short Loosened by vibration 3 Bad lamp socket r Disconnection Bad soldering Bad rivet contact Short Water penetration Low water level in tray Bad elasticity of contact Bad contact corrosion 4 Door switch Defective Travel distance Bad connection I Bad terminal contac
59. and SERVICE press and hold the water supply control switch for 3 seconds The icemaker will run through 3 stages Dump Fill Icemaking With the detect lever checks if the ICE BIN is full 9 wv wv 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 56 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 2 Control Method 2 1 Start Position 1 After POWER OFF or Power Outage check the EJECTOR s position with MICOM initialization to restart 2 How to check if it is in place Check HIGH LOW signals from HALL SENSOR in MICOM 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 If EJECTOR is back in place within 18 minutes with the heater on to control Heater on its OFF condition it is being initialized If not it is not functioning Repeat Step B with Heater and Motor off 2 2 Icemaking Mode 1 Icemaking control refers to the freezing of supplied water in the ice trays Complete Icemaking operations by measuring the temperature of the Tray with Icemaking SENSOR 2 Icemaking starts after completing fulfilled ice control and initial contr
60. at the top 3 The initial setting of the Optichill will be FRUIT VEGE 4 Each time you press the SELECT button the selection cycles through the settings in the order of FRUIT VEGE 39 F CHILLED ROOM 30 F gt PARTIAL FREEZING 27 F gt WINE 50 F gt FRUIT VEGE 39 F The display will show the target temperature If EXPRESS CHILL or THAW is selected the selected temperature and NOTCH LED are not shown and the temperature can be adjusted 5 The Optichill sensor detects the temperature and relays this information to the MICOM Based on the temperature and setting The damper is opened or closed and the heater is on or off as the conditions warrant 6 If the Optichill damper hasn t moved within an hour it is automatically opened or closed and then returned to its previous setting to keep it from freezing in one position 7 Display Check mode the Optichill fan motor is turned on for one minute To enter the Display Check mode press and hold both the Freezer Adjust button and the Express Freezing button for three seconds 8 If the Optichill fan motor hasn t run within an hour it is automatically run for ten seconds once every hour to keep it from freezing in one position SELECT F 1 SET TEMP 9 bill 15 05 ROOM MIN HR TIME REMAINING 3 0 i WINE VEGE THAW Ibs SELECT i i THAW NOTCH Partial Chilled Fruit Wine Express Function Freezing Room VEGE
61. causes the door sticked closely to the refrigerator in a moment If the refrigerator is used for a long time it will open smoothly E When the refrigerator compartment door is opened and closed the freezer compartment door moves up and down When the refrigerator compartment door is opened and closed fresh air comes into the freezer compartment and moves up and down the freezer compartment door Door opens too easily There is a magnet in the gasket so it closes securely without a gap It can be held open easily if something is in the way and obstructs the door s closing door does not close properly f the refrigerator is not properly leveled the doors will not close easily Adjust the level using the leveling screws under the front of the refrigerator 101 TROUBLE DIAGNOSIS HOW TO DISASSEMBLE AND ASSEMBLE 1 DOOR 1 Remove lower cover and then disconnect water supply tube in the lower part of freezer door e the water supply tube 2 forward while pressing on the coupling 1 as shown in the drawing u 4 Disconnecting the tube under the door causes about 1 5 litters water to flow out Please put up a big container to prevent it 2 Remove a freezer door 1 Loosen hinge cover screw of freezer door and remove cover Disconnect all connecting lines except grounding cord Line Earthing Cord 2 hinge lever in arrow direction until it is loosened and t
62. icemaker 3 Disconnect icemaker housing 4 Loosen a screw on the bracket and lift up the Ice maker 2 How to assemble The assembly is the reverse order of the above disassembly Note When the ice tray is not horizontal after assembly assembly must be wrong Check and assemble again 105 HOW TO DISASSEMBLE AND ASSEMBLE 5 DISPENSER 4 Loosen four screws with a phillips screwdriver and pull 1 Disconnect funnel and button assembly by pulling down ihe nel AssembIyeto disconnect and forward Funnel Assembly Button 5 The Duct Cap Assembly can be disconnected if the hold lever connecting screw is loosened with a phillips driver 2 Remove display frame Assembly by making a gap between a display frame Assembly and funnel Assembly with a balde screwdriver and pulling it forward The cover dispenser is attached with a hook 3 The Display Assembly be connected by pressing the top of the dispenser cover and pushing it after separating the Display Frame from its housing Solenoid Assembly Assembly Duct 6 To install the Duct Cap Assembly insert one end of the spring into the right hole of the dispenser lever and insert the other end into the right hole in the top part of the dispenser Then attach the holder at the solenoid switch Sheet Heater 106 TV RADIO 1 SAFETY PRECAUTIONS 1 1 Warning 1 Be sure to make a safety check if circuit is found
63. mode 2 This circuit changes the speed of the fan motor by varying the DC voltage between 7 5 Vdc and 16 3 This circuit stops the fan motor by cutting off power to the fan when it senses a lock up condition 85 269 part part part Motor OFF 5V 2V or less 2V or less OV Motor ON 2 3V 12 14V 8 16V R41 530 1 D14 L3 PR107 MICOM z9 In Sr 47K 1 2 rn 9 P54 53 R39 1 COMPRESSOR vie Dis A com PWM R40 25N 225 10K 10 777 RAA RAS POI 50 2K 47K COMPRESSOR 11 FAN LOCK L ona 102 016 je KIBUBI D R45 47K R48 f 5 14 53 52 3 9K 1 2W FREEZER FAN PWM a7 ae 220uP co1e RA7 KTC3188 25V 223 10K ES 1 5 777 R50 861 50 49 2K 47K FREEZER FAN LOCK 12 CO20 102 777 40 EXPLANATION FOR MICOM CIRCUIT 1 12 Temperature compensation circuit LRSC269 183 MICOM 16 17 4 compensation at refrigerator 56 ROR1 Temperature compensation at freezer P61 1 AIN1 RCF1 7 210K 777 Freezer Refrigerator Resistance value Temperature Resistance value Temperature Remarks RCF1 compensation RCR1 compensation 180 kQ 5
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66. 04 F 1 4 6 2 50 C 122 F 0 8 4 3 gt Resistance value allowance of sensor is 5 gt When measuring the resistance value of the sensor allow the temperature of that sensor to stabilize for at least 3 minutes before measuring This delay is necessary because of the sense speed relationship gt Use a digital tester to measure the resistance An analog tester has too great a margin of error gt Resistance of the cold storage sensor 1 and 2 should be measured with a digital tester after separating CONS of the PWB ASSEMBLY and the MAIN part gt Resistance of the freezing sensor shall be measured with a digital tester after separating CON7 of the PWB ASSEMBLY and the MAIN part 45 EXPLANATION FOR MICOM CIRCUIT 1 14 OptiChill stepping MOTOR Display LRSC26944 LRSC26930 LRSC26980TT 10 1 DAMPER HEATER OPTICHILL 916 7774 2 15 H A EA 2 3 OPTICHILL Ba Tee 9 1 4 8 STEPPING pae _39 SI P 8 n m B MOTOR P37 40 B 6 B P4 41 3 tC 10 6 T im 50 T 9 evo OPTICHILL AIN 0 coats I SENSOR 223 T sov 0 t m MICOM m s 54563 7 CON11 CON101 aa P10 na 1241 g
67. 0RJ5600E472 RESISTOR METAL GLAZEIXCHIP 560 DHM 1 8 W 17 2012 R TP ROHM R124 2 e e 2 38 oRJ1001E672 RESISTOR METAL GLAZEDCCHIP IK OHM 1 8 W 5 2012 R TP ROHM R104 105 3 3 3 3 39 0RJ2001E672 RESISTOR GLAZED CHIP eK OHM 178 W 5 2012 R TP ROHM R101 103 15 15 15 15 15 40 ORJ4701E672 RESISTOR METAL GLAZEIXCHIP 4 7 1 8 5 2012 R TP ROHM R108 122 e e e e 2 a 08 502 672 RESISTOR METAL GLAZED lt CHIP 15 OHM 1 8 W 5 2012 R TP ROHM R106 R107 42 ORJ1004E672 RESISTOR METAL GLAZEIXCHIP 1M OHM 1 8 W 5 2012 R TP ROHM R125 43 0874702672 RESISTOR METAL GLAZED CHIP 47K OHM 1 8 W 5 2012 R TP ROHM 44 08 1201 472 RESISTOR METAL GLAZED CHIP OHM 178 W 1 2012 R TP ROHM 1 45 08 1002 472 RESISTOR METAL GLAZED CHIP 10 DHM 1 8 17 2012 R TP ROHM R123 l 1 46 ODZRM00188A DIUDE ZENERS RLZ RUHM LLDS LL 34 500 5 6 20 ROHM 21101 1 1 1 1 47 WIRE JUMP 1 1 48 WIRE JUMP OP2 49 WIRE JUMP 1 50 6908JB8003A BUZZER BM 20B BUJEUN PIEZU 4KHZ 8508 BUJEUN BUZZER e 6 6 6 51 6600RRTO02J SWITCH TACT IP VDC SOMA SMD JEIL SW101 SWi06 01150006844 c SEOUL SEMICON SSCUYIOI R TP AMBER SEDUL SEMICUN 01014 0210 52 opLLEoo38AA LEDTECH LT8B32 UR 191T R T
68. 2 4e 421 421 126 68548300014 WIRE LEMM S2MM TP TAPING SN A LEAD J017 42 4 4 4 4127 68548500014 JUMP WIRE 0 6 52MM TAPING SN JAE LEAD JCRI JCR4 1 128 68548500 JUMP WIRE 0 8 S2MM TAPING SN A LEAD 1 11111111189 8894B50001A P WIRE LAMM 52 TAPING SN A LEAD 111 1 ag54850001A JUMP WIRE 0 6MM 52 TP TAPING SN AE LEAD PP 11111111131 6200JB8001B RCCTRC EMC 120 0 1UF PILKOR CRI 1 1 1 1 32 6p00JB80098 FIL TERCCIRCEMC CH940050 INC NC L1 11111111133 200 8807 UV11 05320 INC BK 0 6A NC 2 2 2 134 0 RIODIMAFQ INDUCTOR RADIAL LEAD 1000UH 207 R 6 1 5 BULI INC 13 4 11111111135 0FS500B502 FUSESLDV BLOW 5000 250 V 3 2 20 LD GL UL CSA SAM JU FUSA 1 1 t 1 136 4920 830074 HEAT SINK 23 317225 DRIVE IC STR R S84 88 73 PPIN 1 SCREW SUNG dc 1 1 1 1 13 1SBF0302418 SCREW 03 0 8 0 MSWR3 FZY ace s s ss wf 138 YVWF0120000 1501 DERCR SIN WIRD RSO 0120 139 49111004 SOLDER SOLDERING SUNG 5 a wt 140 59333105 FLUX S30 8P5 0 830 KOREA 06 49 EXPLANATION FOR MICOM CIRCUIT 2 3 LRSC26944 LRSC26980TT DISPLAY ASSEMBLY part diagram
69. 2 6920 70 RELAY 712512 NAIS 250 IE VDC IC NO VENTING IATSUSHITA RY7 4 4 4 4 33 6920JB2003C RELAY MATSUSHITA 250VAC 1 VDC IAT SUSHITA RY3 9 10 1 1 34 6920820036 ALII MATSUSHITA E5UVAC 12 VIC IA ATSUSHITA RYI3QUISP LAMP 1 1 24 6920820036 RELAY ALDI MATSUSHITA 250VAC 12 VIC IA ATSUSHITA T 1 T 36 592078200984 RELAY 055 1 OMRON 277V IC OMRIN 27 6920J82009 RELAY 655 OMRIN 12V 277V IC OMRON RYI2CH BARO ee 6 2 5 00 RESUNATUR CERAMIC CSTSO400 MURATA 4MHZ 057 URATA ISCH 89 610 88001A VARISTUR ISVC621D 14A SAMWHA UL VDE BK 620V SAM WHA IL VAI U t 1 40 602 5 0064 VARISTUR SVC271 144 SAMWHA UL CSA VDE 70V SAM WHA IL JIN 6 6 6 6 4 ODRIO 009AA ODE RECTIFIERS FR1O7 TP DELTA 0041 1000V 1A 3 DELTA 22 1417 1 1 43 ODRIO7009AA ODE RECTIF IERS FRI07 TP DELTA 0041 1000V 1A 3 DELTA 1 1 43 Ri07009AA IDE RECTIFIERS FRIO7 TP DELTA 0041 1000V 3 DELTA Di8 lt M ROOM 2222440 RECTIFI RL3 SANKEN BK NUN 360V 354 80A SUNSEC SANKEN pn I 1 T 49 00 DIODE RECTIFIERS D3SBAGU BK SHINDENGEN 800V 4A SHINDENGEN 3 5 5 5 4 000400409 UDERECTIFIERS IN4004 TP PYUNGCHNNU DELTAPYUNGCHANG UDDAU0A09AC ODE IN4004 PYUNGCHANG APYUNGCHANG D3CTCIO T 1 T
70. 3 0lbs 1 5Ibs 0 5lbs Chill Display 27 F 30 F 39 F 50 F 12Hr 8Hr 4Hr 90Min 50 F 22 MICOM FUNCTION 2 7 2 OptiChill Thawing amp Express Chill Control 1 When you press the SELECT button on the right the THAW LED will light The time for the selected function will be shown You can cycle through the options in this order EXPRESS CHILL THAW OFF gt EXPRESS CHILL 90 gt THAW 0 5 Ibs 4 hours gt THAW 1 5 Ibs 8 hours gt THAW 3 5 Ibs 12 hours EXPRESS CHILL THAW OFF If EXPRESS CHILL THAW is selected the NOTCH temperature in the Optichill will not be displayed If EXPRESS Chill is selected the Optichill damper is opened and the fan motor is turned on If the Optichill does not reach the set temperature after no more than ninety minutes the setting is released 3 The Optichill will count down from 90 minutes and show the remaining time in minutes 4 When the EXPRESS CHILL cycle ends or is released the setting defaults to FRUIT VEGE 39 F 5 If THAW is selected the Optichill damper is closed and the time and temperature will be set according to the thawing function selected The thawing function will be automatically terminated at the end of the set time 6 When in THAW mode the sensor controls the heater to keep the set temperature 7 When in THAW mode the display counts down the remaining time in minutes When the THAW mode is released the Opti
71. 4 Turn screw in arrow direction with a philips driver and disconnect Handle Piece 2 Plastic handle Model 1 Use a small screwdriver blade in the groove at the side of the Deco Handle to push it down slightly and separate the cover Push down in the direction of arrow 1 and push the cover down in the direction of arrow 2 2 Turn screw in arrow 1 direction with a cross driver and lift up a little bit in arrow 2 and pull it up in arrow 3 104 HOW TO DISASSEMBLE AND ASSEMBLE 3 Fan Shroud Grille 1 Loosen two screws after disconnecting a cap screw of a grille fan U with a screwdriver balde 2 Disassembly of a grille fan U Pull forward after opening hook at gt part with a screwdriver blade 3 Disconnect housing A of a grille fan L from the body 4 Disassembly of a grille fan L Hold upper part of a grille fan L and pull forward carefully 5 Loosen two screws 6 Disassembly of shroud F U Disconnect housing of B after removing two rail guides with a screwdriver blade 7 Disassembly of shroud F U Hold upper part and pull forward 8 Check foam sticking conditions around a shroud F U and F L during assembling If damaged torn or badly stuck assemble with a new one after sealing well 4 ICEMAKER ASSEMBLY 1 Dispenser Model 1 How to disassemble 1 Remove ice bin and shelf from the freezer compartment 2 Loosen four screws under part of
72. 5 s 4701 4W e R107 56 56 15K dio Ad LD141 LD144 R103 KRC106S 6 N 2K R137 PE 4 21 4 470 1 4W amp lt 4 0107 9 Oe 738 _ LDi4s LDiSe KTMeses RM RIS anes Um h oe R109 1 1 DP1 47K 22 4 1 1 777 R139 470 174 nt ME au R140 LD160 LD163 DPe 4704 4 6 46 l 5 23 NU 6 6 OG R142 LDi68 LD171 EL mn 1 mv LDI72 LD175 1 47K 24 e amp R144 11179 1 470 1 4W 77 1 T 71 1 1 ER xis m 10184 10187 0 155 mE 0 1 4 R147 LD188 LD191 KIA7042AF 1 470 1 4W Er NE 00 6 0606 1 148 LD192 LD195 EEE RR 4 LD196 LD199 1 1 LD200 LD203 OOOO RISI LD204 LD207 470 174 009 000 56 1 5 101 CSTSO400 4 00M R125 1M I 2 Vdd Varef Vss Vass TEST P11 INT1 P10 INTO P13 P14 15 16 P17 COM1 COM2 COM3 SEGO SEG1 SEG2 SEG3 SEG4 SEGS SEG6 SEG7 SEG8 9 SEG10 SEG11 P93 SEG12 P92 SEG13 P91 SEG14 P90 SEG15 P67 SEG16 P66 SEG17 P65 SEG18 P64 SEG19 P63 SEG20 P62 SEG21 P61 SEG22 P60 SEG23 IC101 TMP87CH21F P40 INT3 TC3 P41
73. 6 ICOM 7042 15 2 RESET 2 104 on Jf al 33 EXPLANATION FOR MICOM CIRCUIT 1 4 Load driving circuit The fan operates at the regular speed even if the door of the refrigerator or freezer is opened When the doors are closed the fan reverts to its original speed and D of door switch for the freezer refrigerator are connected to the door open sensing circuit in parallel toward both ends of the switch In the TEST mode the fan will stop if any door is opened It will resume operation when the door is closed LRSC269 Frost Removal Converting Refrigerator Dispensor Magic room Type of Load Compressor Heater Relay LAMP Heater Heater Measuring part IC6 6 14 6 10 IC7 16 6 13 6 11 6 12 Within 1 V tatus OFF 12V CON2 T FUMER T Y jg RIDESOOSAF ALZ12B12 Fi 3 05 ALOE R44 1 m COMP 7 lt 2 2 ALEIBB12 5 06 gt 194004 d 14 ox 3 POS REF LAMP CONT BOX iss 1712812 R 777 am 5 N3004 13 4 P74 3 AIN 4 REF LAMP LOWER MICOM ONLY GR 267 BA
74. 9 F 1 8 F 2 7 F 3 6 F 4 5 F 5 4 F 6 3 F 7 2 F 8 1 F Down change Up Up Up Up Up Up Up Up Up 1 C 0 5 No 05 C 1 C 1 5 2 C 2 5 3 C 35 C 4 C 3 3 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F 5 4 F 6 3 F 7 2 F Down Down change Up Up Up Up Up Up Up Up 1 5 1 C 0 5 0 5 1 C 1 5 2 2 5 3 C 3 5 5 6 kQ 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 9 6 F 4 5 F 5 4 F 6 3 F Down Down Down change Up Up Up Up Up Up Up 2 C 1 5 1 C 0 5 105 C 1 C 15 C 2 C 2 5 3 C 8 2 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F 5 4 F Refrigerator Down Down Down Drop change Up Up Up Up Up Up RCR1 25 2 C 1 5 1 C 0 5 C No 05 C 1 C 1 5 2 C 2 5 10 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F 4 5 F Down Down Down Down Down change Up Up Up Up Up 3 C 2 5 2 C 1 5 1 C 0 5 No 05 C 1 C 1 5 2 C 12 5 4 F 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F 3 6 F Down Down Down Down Down Down change Up Up Up Up 35 C 3 C 2 5 2 C 1 5 C 1 C 0 5 No 05 C 1 C 1 5 C 18 6 3
75. 9 46 2 2 2 2 94 08015014609 RESISTUR IXED CARBU M IHM 1 2 V 5 007 TAO SMART CHORYANG R42 49 1 1 95 08110000809 RESISTUR FIXED CARBO M 100 OHM 1 4 V 57 TA52 SMART CHOHY ANG 74 1 1 1 96 ORHIDOOLBPE RESISTOR METAL GLAZEDCCHIP 100 DHM 1 8 W 5 2012 R TP ROH R11 1 1 1 1 97 0891004620 RESISTOR METAL GLAZEDCHIP M DHM 1 8 W 2012 3 007 D ROH R13 ul u n u 98 0ORHI002L682 RESISTOR METAL GLAZED CHIP 10 OHM 1 8 W 5 2012 RATP ROH R16 23 40 47 56 3 3 99 08910021 602 RESISTOR METAL GLAZEDCHIP 10K OHM 1 8 W 5 2012 R TP R59 61 M RUOM 31313131 10 ORH200IL622 RESIS ETAL GLAZEIXCHIP eK OHM 1 8 V 2012 5 007 D ROH R27 34 59 65181416110 622 RESISTOR METAL GLAZEDCHIP 4JK URMT7 8 V 2012 5 00 ROA RI4 25 28 30 44 51 T i 104 URHZ7UILBEZ RESISTOR METAL GLAZEDCHIP 4K UAMT 7 8 V 2012 5007 D ROAM RBECY ROUND el 2 103 ORH3300 622 RESISTORMETAL GLAZED CHIP 330 OHM 1 8 V 2012 8 007 D DH R41 48 1 1 1 104 0893300920 RESIS UR METAL GLAZEDCCHIP 330 OHM 1 8 V 2012 8 007 D ROH R37QP 1 1 14 ORH3300L622 RESISTOR METAL GLAZED CHIP 330 OHM 1 7 8 V 2012 5 007 D ROH R64 M ROUMD 1 1 1111 104 01522 RESISTOR METAL GLAZEDCHIP TK DAM 178 57 2012 R TP ROH RI TTT Tt 107 08010020509 RESISTOR FIXED CARBO 10K OHM 1 4 V 3 007 TASE SMART CHOHYANG RCRI 109 08112020400 RESISTOR FIXED CARBON FILM 12K OHM 174 W 5 007 TAS SMART
76. ANG 8 0805607609 RESISTURFIXED POWER WIRE WUUND 10 56 UHM 57 TAS2 MART CHUHYANG RUCP 1 0801017609 RESISTURFIXED POWER COATED WIRE WOUND UHM 1 57 TA SMART CHOHYANG 1 82 08018010609 RESISTUR FIXED CARBON FILM OHM 174 V 5 007 TASE SMART CHOHYANG R8 TI TI TI 83 0801001509 RESISTOR FIXED CARBO IHM 174 V 3007 TASC SMART CHOHYANG R28 TI 1 1 TY ORNSIOIU409 ESISTORFTXED METAL FILM SIR 174 1007 MART CHUHYANG RF 2 T 85 URN24010409 METAL Za 174 W 1007 TASC SMART CHORYANGIRF 88 ORSUGUEKEAI RESISTUR FIXED METAL UXIDE FILI UHM 2 V 5 007 F20 SMART RIO 3 3 87 08010020909 RESISTORFTXED CARBON FILM TOK IHM 1 4 V 5007 TASE SMART CHOHYANT 12 9758 41414141 88 08047014600 RESISTUREIXED CARBO M AJK OHM 1 4 V 5007 1452 SMART CHOHYANG 15 24 38 45 4 89 08047010600 RESISTUR FIXED CARBO M 4 7K OHM 1 4 V 5007 SMART CHOHYANG R73 78M RODMW 10 10 10 90 20010609 RESISTOR FIXED CARBON FILM ZK OHM 1 4 W 5 007 TAS2 SMART 229 33 43 50 52 84 9 080200104004 RESISTUR FIXED CARBO M 2K OHM 1 4 5 007 TAS SMART CHUHYANG R346QF 3 3 92 08120018609 RESISTOR FTXED CARBON FILM ZK OHM 1 4 W 9 007 5 SMART CHUHY ANG 63 68 73 el 212 2 93 05039014509 RESISTOR FIXED CARBON FILM 3 9 OHM 1 4 W 5 00 TA52 SMART CHUHYANG 3
77. C1 Micom No 16 Lever S W 5V On Press 60 Hz OV OFF 5V 35 EXPLANATION FOR MICOM CIRCUIT 1 6 Door sensing circuit LRSC269 CON7 p44 46 As 5 amp ceres L F DOOR S W MICOM e 4 49 9 R55 CONQ pas 4 wv 2K ie 25 4 R DOOR S W 777 d Measuring part een IC1 MICOM No 47 46 Pin Door of Freezer Refrigerator Closing 5V amp Switch at both ends are at Off status Opening 5 V D Switch at both ends at On status Since door switches A and B are interconnected if either fails the other will not respond properly If either switch fails the light will not come on 36 EXPLANATION FOR MICOM CIRCUIT 1 7 Temperature sensing circuit LRSC269 gn __ CONG 63 220 10KF 7 CEB AN cout Ju AB 27 50 8 i 2 R30 26 TKF TVo gast Ca WATER TANK 223 T 50 10 SENSOR m CON7 oe 62 R31 18 2KF 1 aD AIN6 L 2R FRZ SENSOR 223 T RD1 50V 2 61 777 R32 AT 26 1KF HER 132 DEFROST AINS5 ns 4 4 SENSOR A 50V 4 Em e CON8 p 58 ae EJ REF UPPER 5 em 10uF 6 SENSOR ase oa 88 555
78. D L no SI Sloeluoo peal asm ueuM si 6uleeH 4 peuous SI y 40 lno y se jeou jou selnseay 52942 2 SL 77 TROUBLE DIAGNOSIS Buo y pue sued ay sued eui sued pejquiesse pue Jo Joloeuuoo AInej 49949 yelsouuay JOOUUODSIP 2 Ul pequosep syne sued eui 2 Jejeeu ureeus eui uo spuey Ind jou y uo yeay pue jsoJjep eui uonoeuuoo Xoeuo eui ui sued jo euuoosiq 2 MO S ue Ue jeu esoj 10 uedo uo 10 0W pue asny Jo uolesul J0joeuuoo pue loeluoo enp pue pue
79. DED VIEWS REFRIGERATOR DOOR PART LRSC26910 LRSC26911 124 EV EXPLODED VIEWS FREEZER COMPARTMENT LRSC26910 LRSC26911 125 EXPLODED VIEWS REFRIGERATOR COMPARTMENT LRSC26910 LRSC26911 EV EXPLODED VIEWS ICE amp WATER PART LRSC26910 LRSC26911 127 EV EXPLODED VIEWS MECHANICAL COMPARTMENT LRSC26910 LRSC26911 NS II 128 EV EXPLODED VIEWS DISPENSER PART LRSC26910 LRSC26911 129 EV EXPLODED VIEWS TV PART LRSC26980TT 130 LG Electronics Inc P No 3828JD8646A FEB 2004 Printed in Korea
80. EF UPPER SENSOR DISPENSER LEVER SWITCH BL N BEE ZING N OR SOLENOID CUBE SOR 7 REF LOWER SENSOR WH REF DOOROPEN 0 BO OPEN 0 HEATER SHEET ER DAMPER DISP LAMP eff RN m Is 2 N IN SOLENOID DISPENSER gt ale ms RUNNING CAPACITOR t gt EJ PWB ASSEMBLY DISPLAY SONG WATER TANK maY 10 SENSOR IL GY AMBIENT T SENSOR i WH RD BN BO S8 HEATER SHEET 6 ucTroocR UL 3 i REF DooR SWITCH PK BO STARTING RD CAPACITOR RRM 5 A Fo Es ES COMPRESSOR EARTH PART ASSEMBLY OPTION 3854JD1092D BLACK BN BROWN BO BRIGHT ORANGE GY GRAY RD RED YELLOW GN GREEN PR PURPLE WH WHITE WH BK WHITE BLACK SKY BLUE PK PINK GN YN GREEN YELLOW BL WH BLUE WHITE RD WH RED WHITE 62 TROUBLE DIAGNOSIS Troubleshooting PROBLEM CAUSE CHECK POINTS REMARKS 1 Faulty start 1 No power at outlet 2 No power on cord connection between adapter and o
81. F 5 4 F 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F 2 7 F Down Down Down Down Down Down Down change Up Up Up 4 3 5 3 C 2 5 2 C 15 C 1 C 0 5 No 0 5 C 1 C 33 7 2 F 6 3 F 5 4 F 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F 1 8 F Down Down Down Down Down Down Down Down change Up Up 45 C 4 C 3 5 3 C 2 5 2 C 115 C 1 C 05 No 0 5 C 56 8 1 F 7 2 F 6 3 F 5 4 F 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F 0 9 F Down Down Down Down Down Down Down Down Down change Up 5 C 4 5 4 3 5 3 25 C 2 C 1 5 1 0 5 180 9 F 8 1 F 7 2 F 6 3 F 5 4 F 4 5 F 3 6 F 2 7 F 1 8 F 0 9 F Down Down Down Down Down Down Down Down Down Down change gt Temperature compensation for the freezer is performed the same as for the refrigerator The value for the freezer is twice that of the refrigerator gt This circuit enters the necessary level of temperature compensation for adjusting the appliance The method is the same for every model in this appliance family 42 EXPLANATION FOR MICOM CIRCUIT Compensation circuit for temperature of freezer
82. IAGRAM e coit RR EL ia RP ee I DU ee t ES 54 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER uuuuussnssansannnannunsnannunnunnnunnunnnunnnnnnunnnnnnunnnunnnannunnnannnnn 56 OPERATION PRINCIPLE 2e tette ete dec o Pet t Hc De e t e Uu E eode 56 CONTROL METHOD ACCORDING TO FUNCTIONS 0 0 57 DEFECT DIAGNOSIS FUNCTION ttt ei ER ss 59 CIRCUIT phe 60 I ieUBdniclec 63 TROUBEESHOOTING 5 pn IDEEN IUBE a a DIT EE 63 FAULTS det o e eni idee paeem B Ede bes 73 COOLING CY CLE HEAVY REPAIR et Diete eeu Gem abis 90 HOW TO DEAL WITH CLAIMS tette tue Iren e dr d een else 97 HOW DISASSEMBLE AND 103 DOOR dete dept at ette eta ede bie 103 a PP RN EEUU 104 FAN SHROUD GRILEE ER EE ERU 105 1 enuicsue ass RK mE e n tee 105 DISPENSER neto d e ce ete ete He 106 107 EXPLODED VIEW AS 113 REPLACEMENT PARTS LIST Eanan 131 WARNINGS AND PRECAUTIONS FOR SAFETY Please observe the following safety precautions to use the refrigerator safely and correctly and to prevent accident or when servicing 1 Be careful of an electric shock Disconnect power cord from wall ou
83. IC STANDARD LOGIC KRA106S SUT 23 TP TRANSISTOR KEC 0108 5 15 5 5 5 17 0ISTLKEO05A IC STANDARD LOGIC KRC106S SUT 23 TP TRANSISTOR KEC 0101 0105 2 2 2 e 2 181 015 006 IC STANDARD LOGIC KTA1298 SUT 23 TP TRANSISTOR KEC 0106 0107 Zeche et eig a E l 21 6212 5 0024 RESUNATUR CERAMIC 5750400 MURATA 4 2 7 0 5 TP 15 MURATA 05 101 3 z E m 2 2 e 2 25 0 107 6 CAPACITOR FIXED ELECTROLYTIC 10002 MV 16V 20 R TP SMD SMD RUBYCON CE101 CE102 Iss l 1 27 0CE476VH6DC CAPACITOR FIXED ELECTROLYTIC 4702 MV 25V 20 R TPCSMD gt SMD RUBYCON CE103 REES a s 8 8 8 29 OCKIO4DK94A CAPACITUR FIXED CERAMICCHIGH 100 2012 50V 80 20 R TP 5 MURATA CCI01 CC108 30 1317 1 1 08100066765 RESISTUR METAL GLAZEIXCHIP 100 UHM 174 57 3216 R TP ROHM 1 1 1 1 33 0RJe200E672 RESISTUR METAL GLAZED CHIP 220 OHM 178 5 2012 ROHM R154 26 26 26 26 26 34 0RJ4700G676 RESISTOR METAL GLAZED CHIP 470 DHM 174 5 3216 R TP ROHM 126 2 e 35 0RJ6800G676 RESISTOR METAL GLAZED CHIP 680 DHM 174 5 3216 R TP ROHM R152 R153 SPS ililia 1 37
84. IMS JOOP ol peaj Burpeuuoo ON Seop uue e Joop Jo snonunuoo Jezzng Jezzng Jooq Suoneue dxo eje1edo JOU op uonouni suonng pue uomeoipul punos jou uoyng Ae ds p sisoubelp 2949 Uoneoipul Jezzng eAnoejeqg 52942 89 TROUBLE DIAGNOSIS Cooling Cycle Heavy Repair 1 The Heavy Repair Standards for Refrigerator with R134a Refrigerant water for check It be sucked into the pipe refrigerant leak area NO Items Unit Standards Purposes Remarks 1 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 10 minutes Penetration rainy seasons the penetration of water Drier within into the pipe is dangerous 20 minutes 2 Welding Nitrogen Weld under To protect Refer to repair note in each part Pressure Nitrogen oxide scale R134a refrigerant is more susceptible to atmosphere formation leaks than R12 and requires more care pressure during welding 0 1 0 2 kg cm Do not apply force to pipes before and after welding to protect pi
85. KEY DISPENSER amp KEY DISPENSER amp KEY DISPENSER amp KEY Ex Select Ex Select Ex Select Ex Select LOCK LOCK again LOCK LOCK again 2 1 5 Filter condition display function LCD LRSC26944 LRSC26980TT 1 This units displays the months left before the water filter needs to be changed It starts when the unit is first plugged in 2 After 6 months have passed the filter change will appear on the display It will show FILTER LIGHT 3 SECS 3 Press and hold the filter button for 3 seconds to reset the filter timer In initial Pass of Pass of Pass of Pass of Pass of Pass of Classification Power On month 2 months 3 months 4 months 5 months 6 months IT FILTER LL FILTER FILTER II FILTER 1 FILTER 1 FILTER Filter Status MONTH MONTH 1 MONTH 20 MONTH MONTH MONTH _ MONTH Display Ex 3 SECS LED All models except LRSC26944 LRSC26980TT 1 There is a replacement indicator light for the water filter cartridge on the dispenser 2 The water filter should be replaced every six months or about 28 000 seconds filtering time 3 The water filter light and FILTER RESET HOLD 3 SECS will show in the display to remind you to change the filter soon 4 After replacing the filter press and hold the lock button for more than 3 seconds The FILTER RESET HOLD 3 SECS will turn off nati In initial Power On Replace indicator Classification Filter RESET light on Filter Status
86. L 12VDC 50MA SMD JEIL SW101 106 29 29 29 23 29 67 49111001 SDLDER SOLDERING ISOLDERCROSIN WIREIRSO HUISUNG 59 50 5o 59 so 59 68 49111004 SOLDER SOLDERING H63A HUISUNG 9 om 9 99 9 69 59333105 FLUX ISGj0 825 0 830 KOREA F H 206 KOKI m E I z eese E E m 52 EXPLANATION FOR MICOM CIRCUIT DISPLAY circuit diagram CONI01 uv 52 40 vad 4 1 18 p71 3 CM we oe INTA 1 je x 20 3 P61 AINT P72 2 Lem NN V JAS 2 transfer AX ig or P6O AINO 1 receive d 4 12 21 27 28 37 39 1 105 Rho p73 1 54563 2 19 gm 74 44 1 1 D102 7042 RESET 0103 ge gm P75 43 gt l 17 py gt P76 42 gt 1 Bye P77 41 415 Bios 17 36 71 14 0106 hows i TMPB PH47U 4n IC106 ul 67 1 9 44 Soy 05 101 ih KID65003AF B T E 15 P16 35 110116 i 330 1 2W tuo
87. LG http biz Igservice com EXE REFRIGERATOR CAUTION PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS MANUAL BEFORE CHECKING OR OPERATING THE REFRIGERATOR LRSC26944SW LRSC26944TT LRSC26911SW LRSC26911TT LRSC26980SB LRSC26980TT LRSC26930SW LRSC26930TT LRSC26910SW LRSC26910TT LRSC26922SW LRSC26922TT LRSC26920SW LRSC26920TT CONTENTS WARNINGS AND PRECAUTIONS FOR SAFETY uussuusnssnnsansunnuannunnnannunnnnnnunnnnnnunnnunnunnnnnnunnnunnunnnunnunnnunnnnnsnnnnannnannunnnannnnnnnnnn 3 SPECIFICATIONS aksinin na a 4 PARTS IDENTIFICATION m aai anii ni 9 HOW TO INSTALL THE REFRIGERATOR uusuusasuansannunnsunnunnnunnuannunnuannunnunnnunnnnnnunnnnnnunnnnnnunnnunnunnnunnuannnnnnunnnannannnannunnnnnnnnnn 14 HOW TO ADJUST DOOR petet eoe tle a Sette antag Alen 14 PILTER in ei ies ave A Atl 15 HOW TO CONTROL THE WATER 16 ee 18 EXPLANATION OF CIRCUIT uzsuu2uu220020200000n200nn0nnnnnnunnnnnnnnnnnnnunnnannunnnannunnnnnnunnnnnnnnnnunnunnnunnunnnunnnnnnnnnnnnnnnnnannnnnnnnen 32 EXPLANATION OF PWB CIRCUN ER eed tind Hee neha eee els 32 PWB PARTS DIAGRAM AND LIST 3 4 e a 47 PWB CIRCUIT D
88. MDL TROPICAL ZONE HEATER ike 12 ox 6 m Bn AIN15 i CONS H2 PIPE HEATER JUL 7 4 3 DISP HEATER U R AIN16 1 18 12 5 55 FUSE OG DEF HEATER 7 jim 5 1 220 107 D9 9 65005 18 34 EXPLANATION FOR MICOM CIRCUIT 1 5 Dispenser operation circuit A J 5 S hw 5 010 149904 15 2 10 Eoi SOLENOID PENER Um CUBE i 1 p02 10 TAY ALD112 1 o WATER 4 15 ox 4 12 5 gi MICOM ALD112 i 9 SOLENOD O 1uF 120 DISPENSER 250VA0 12 13 7 665 1 10 7 15 3 rox Pos EY13 ALD112 3 E DIBP LAMP J 11 1 6 uos 108 AF N mo 11971 4 6 a Y 100 P07 1 pia pn Ee 14007 IN4148 Check load driving status WATER VALVE Hosa Logd GEARED SOLENOID SOLENOID MOTOR CUBE DISPENSER WATER Measuring part IC7 15 IC7 14 IC7 13 IC7 12 ON Within 1 V Status OFF 12V Lever Switch sensing circuit Measuring part I
89. N HIS Y09949 sued HIS Jelsel 2 1 esnj esnj esnj 4o9u2 god uoneuej dxe 9084 2182 syed ol 18 94 Joleln6ey eoejdeu si no sued SI 994151591 JJ SI osnj eunjeueduJo Jesuedsip Jelsel S euiuuo Jeuuolsue1 nOU1A japow 10 Jeuuojsuen lndino pue jeuuoJsueJ si ol eoe deu 10 eouejsiseJ yOoUD god seAloejed god Ae ds p ol god Ae ds p pue Joloeuuoo uopeuuoo yo 0901 joeuuo28H J0 joeuuoo uo x99uo ENSIA Jojoeuuoo peg uonoeuuoo peg Ae ds p peg sonseo N S429u2 wojdwAs 61 85 TROUBLE DIAGNOSIS uonounj sisouBeip suonounj ol sisouBeip Ul SWEN ol jsoJjep 10 9 GAY JOJOW e YO S 1 ewou 10 0W e uoneue dxe
90. P AMBER 35MCD LEDTECH E B ODLSU0029AA SEOUL SEMICON SSC570YG TP GREEN YELLOW SEDUL SEMICON Hote no 53 0DLLE0048AA LED LEDTECH LT8B22J 190T R TP GREEN YELLOW __ LD101 LDe10 T T T T s4 0 00068 LED SEOUL SEMICON 55 0 101 R TP AMBER SEDUL SEMICON LD101 LD210 55 0DLSUOD29AA LED SEOUL SEMICON SSCS70YG TP GREEN YELLUW SEDUL SEMICUN D101 LD210 et 50 EXPLANATION FOR MICOM CIRCUIT DISPLAY circuit diagram CON101 12V 5v 4 1 1 0851 en 39 cc101_ _cc102 CC103 CE101 CEI02 CC104 104 5104 104 ne 104 4 4 4 4 18 7 R101 5 R104 18 __ 0101 201 IK lus KRC106S 5 6 i 104 R108 2 transfer 4 7K Dr 1 receive TU BACK LIGHT Rie 0102 Ripe 065 R126 LD101 LD104 470 174W 20 t 0106 R127 LDI05 L 0108 12985 mi 1109 1002 lt 6 a0 498130 0 LD117 LD120 D LM mu LDI21 LDI24 WO ah ay LD125 LD128 I 0 60 8 1 238 LDie9 LD132 ERR amp R134 11133 10136 6 R13
91. SC26944 LRSC26980TT Division Power Initially On ist Press 2st Press 3th Press 4th Press 5 5 5 5 5 Setting 4 4 4 4 4 temperature 3 5 3 3 3 2 2 2 2 2 1 1 1 1 1 Temperature Medium Medium Cold Coldest Warmest Medium Warm Control Freezer Control 2 F 5 F 8 F 7 F 4 F 37 F 34 32 F 46 F 41 F Control The temperature can vary 3 C depending on the load condition Whenever pressing the button setting is repeated in the order of Medium gt Medium Cold Coldest gt Warmest Medium Warm The actual inner temperature varies depending on the food status as the indicated setting temperature is a target temperature not the actual temperature within the refrigerator A newly installed refrigerator will take 24 hours minimum for temperatures to stabilize The temperature should be checked and adjusted as necessary after 2 or 3 days 2 1 2 LCD Back Light Control LRSC26944 LRSC26980TT 1 In order to see the LCD display more easily the backlight is turned on for one minute at the initial application of power for 20 seconds when buttons are pressed when a door is opened and for 20 seconds after the door is closed 2 When any display button is pressed while the backlight is off the bell sounds and the backlight is turned on but the button function is not performed In other words pressing any button turns on the backlight but does not cause any
92. TOR F KE M 330nF 275 PILKUR 1 1 1 1 a OCF22408670 CAPACITUR FDXED FILM 275 PILKOR CM TTT TI TI e 00047327430 CAPACITOR FIXED FILM 47000PF 630V 57 M PE NI R L lan es 0220259 CAPACITOR FIXED olelectric 220P KBS SAM WHA DOUSAN CC 1 1 1 1 68 OCK22ADK94A CAPACITUR F DXED CERAMICHIgh dielectric ee0NT 2012 50 80 20 R TP MURATA SMD 8 6 6 8 g 0CKIO4IK94A CAPACITUR FIXED CERAMICCHioh dielectric 00 2012 50V 802 20Z R TP F Y5V MURATA CMD 12 18 12 18 68 OCK223DKI6A CAPACITOR FIXED CERAMICHiph dlelectric 22NF 2012 50V 807 20 R TP X7R URATA CC7 10 12 17 19 21 23 SMD 1 1 e 0CKee3DK96A CAPACITUR FIXED CERAMICHIgh dlelecteio 2eNF 2012 50V 80 20 R TP X R URATA CC24 GMIDIM RULIM 1 1 70 0caoz0k5l9 CAPACITUR FIXED CERAMICHIgh dlelectric 000 50 B TAS YANG CC254VRDUM ejeje 7 0 1020 CAPACITOR FIXED CERAMICHIgh dielectric 2012 50V 807 200 R TP X7R MURATA 18 20 SMD 1 1 1 7 0CK4710K96A CAPACITURFIXED CERAMICHIgh dlelectric 0 00047UF 2012 50V 807 04 R TP OR MURATA CSMD n 48 EXPLANATION FOR MICOM CIRCUIT
93. UBE ID 00 83 NET WEIGHT 149 kg 328 5 165 FIRST DEFROST 4 5 Hours COOLING SYSTEM Fan Cooling DEFROST CYCLE 13 15 Hours TEMPERATURE CONTROL Micom Control DEFROSTING DEVICE Heater Sheath DEFROSTING SYSTEM Full Automatic ANTI SWEAT HEATER Heater Defrost Dispenser Duct Door Heater Dispenser Heater ANTI FREEZING HEATER Water Tank Heater Damper Heater FREEZER LAMP 40W 1 EA REFRIGERATOR LAMP 40W 4 EA DISPENSER LAMP 15W 1 EA INSULATION Cyclo Pentane COMPRESSOR PTC Starting Type EVAPORATOR Fin Tube Type CONDENSER Wire Condenser REFRIGERANT R134a 185g 61 2 02 LUBRICATING OIL FREOL 10G 320 cc 1004 mm 391 2 in 1771 mm 6911 16 in 1741 5 mm 681 2 Front View 1746 5 mm 683 4 in 908 mm 353 4 in 829 mm 32 in 897 355 16 in 1261 mm 499 8 in 1771 mm 6911 16 in View SPECIFICATIONS Ref LRSC26910 LRSC26911 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS 908 x 896 x 1771 mm DRIER MOLECULAR SIEVE XH 7 WxDxH 3511 16 355 16 6911 16 in CAPILLARY TUBE ID 00 83 NET WEIGHT 149 kg 328 5 165 FIRST DEFROST 4 5 Hours COOLING SYSTEM Fan Cooling DEFROST CYCLE 13 15 Hours TEMPERATURE CONTROL Micom Control DEFROSTING DEVICE Heater Sheath DEFROSTING SYSTEM Full Automa
94. UNCTION 2 8 Variable freezing fan 1 To increase the cooling speed and load response speed the MICOM will switches the freezer compartment fan motor between high and regular speeds 2 The MICOM runs the freezer fan at high speed only at initial power up Express Freezing operation or in response to a high load The fan runs at the regular speed in all other circumstances 3 When you open the refrigerator door while the fan is running at high speed the MICOM will switch the fan to regular speed If you open the freezer door or the home bar door the fan is switched off 4 If the MICOM determines the fan is obstructed the blade cannot turn it switches the fan off When there is no fan rotation signal for 115 seconds the MICOM displays an error on the display To restart the fan clear the obstruction and turn the power off and back on 2 9 Cooling fan motor 1 The cooling fan is switched ON and OFF in conjunction with the compressor 2 The cooling fan runs at a single speed 3 The Failure sensing method is the same as in the fan motor of the freezing fan motor refer to failure diagnosis function table for failure display 2 10 Door alarm 1 If the doors are left open for more than one minute the buzzer sounds three 1 2 second tones at thirty second intervals for four times 2 If all the doors of freezing cold storage room or home bar are closed during door open alarm alarm is immediately turns off Doors of freezing
95. ake it out in arrow direction Hinge Lever Note When disconnecting refrigerator door turn hinge lever counterclockwise If the hinge or bracket are bent during assembly use two extra screws Tap Tite M6 Left Hinge attaching screw in the holes of the upper hinge 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 amp and pull forward in arrow 8 direction Be careful because the door may fall damaging the door the floor or injuring you 4 Lift up the freezer door 1 in arrow direction and disconnect the door from the lower hinge 2 Don t pull the door forward Note Lift up the freezer door until a water supply tube is fully taken out 5 Assembly is the reverse order of disassembly 103 HOW TO DISASSEMBLE AND ASSEMBLE 2 HANDLE 1 Aluminum Handle Model 1 Use a small screwdriver blade in the groove at the side of the Deco Handle to lift and separate the cover Twist down in the direction of arrow 1 and lift the cover in the direction of arrow 2 or Deco Handle 2 Use a small screwdriver blade in the groove at the side of the Deco Handle to lift and separate the cover Twist down in the direction of arrow 3 and lift the cover in the direction of arrow 4 3 Push the handle piece 3 in the direction of the arrow and disconnect it
96. al operation function SWITCH LOAD sec MOTOR sec DAMPER PRESS er FAN gt DAMPER MOTOR if you press the 4 Once ON CLOSE test switch once D again while in Test Mode 2 or if 5 memes nr m Compulsory TEST comp 03 FFAN 03 FROST 03 RSTEP sensor surpasses defrost SWITCH sec amp Sec REMOVAL 560 MOTOR 41 F 5 C The PRESS OFF C FAN HEATER DAMPER compressor will 2 Times OFF ON CLOSE run after the 7 minute delay 27 MICOM FUNCTION 2 16 Failure Diagnosis 1 The failure diagnosis function indicates the area of a failure while the product is in operation 2 When the appliance enters the failure mode pressing buttons has no effect on the operation of the appliance 3 If the error clears itself the MICOM will reset and the appliance will operate as usual 4 The failure code will be displayed as indicated in the drawings below All other graphics and displays will be turned off LRSC26944 LRSC26980TT ICEBEAM COOLING FAILURE CODE INDICATION PART FF jEXPRESS CUBE SJ Locum FAILURE CODE INDICATION PART DIGITAL CO L1 Fi Lic F ROL FILTER RESET ri HOLD 3SECS All models except LRSC26944 LRSC26980TT JL dr pF ROOM TEMP O Proper operation Failure code indication part Pro
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98. arm When the bin fills to the level of the feeler arm the icemaker will stop producing ice It is normal for several cubes to be stuck together If ice is not used frequently old ice cubes will become cloudy taste stale and shrink NOTE If the cube size is smaller or larger than you expected you can regulate the size with the cube size button normally caused by variations in water pressure Every time you press the cube size button the indicator light goes up The higher the position indicated the larger the cubes will be 1st step is the next after the 5th step 3 When you should set the icemaker power switch to O off When the water supply will be shut off for several hours When the ice storage bin is removed for more than a minute or two When the refrigerator will not be used for several days 4 Normal sounds you may hear The icemaker water valve will buzz as the icemaker fills with water If the power switch is in the I on position it will buzz even if it has not yet been hooked up to water To stop the buzzing move the power switch to O off NOTE Keeping the power switch in the I on position before the water line is connected can damage the icemaker You will hear the sound of cubes dropping into the bin and water running in the pipes as the icemaker refills 5 Preparing for Vacation Set the icemaker power switch to O off and shut off the water supply to the refrige
99. ase adjust the level of the refrigerator 97 TROUBLE DIAGNOSIS Problems Checks and Measures Sounds of water flowing Explain the flow of refrigerant When the refrigerator stops the water flowing sound happens This sound happens when the liquid or vapor refrigerant flows from the evaporator to compressor Click sounds Explain the characteristics of moving parts This noise comes from the MICOM controller s switch on the top of the refrigerator when it is turned on and off Noise of Icemaker operation applicable to model with Icemaker Noise produced by ice dropping and hitting ice bin Noise from motor sounds Hiss Explain the procedure and principles of Icemaker operation Automatic Icemaker repeats the cycle of water supplying icemaking ice ejection When water is supplied the water supply valve in the machine room makes sounds like Hiss and water flowing also makes sound When water freezes clicking sounds are heard When ice is being ejected sounds like Hiss produced by a motor to rotate an ice tray and ice dropping and hitting ice bin sounds are also heard Noise when supplying water E Explain the principles of water supplied to dispenser When the water supply button in the dispenser is pressed the water supply valve in the compressor compartment opens and let the water flow to the water tank in the lower part of the refrigerator compartme
100. ce at 1 Compressor OFF Return to the normal mode the test mode 1 status 2 Freezing BLDC motor and cooling BLDC when the defrost sensor is forced defrost mode motor turn off above 5 C 3 Defrost heater turns on 4 Stepping motor damper is completely closed baffle close 5 Optichill stepping motor damper is completely closed 6 All display LEDs or LCD graphics turn off Except for A B LCD graphic Except for A 22 B 22 LEDs Normal Press test button once at Return to the initial status Compressor will operate Status the test mode 2 status after delay for 7 minutes ICEBEAM COOLING EXPRESS FRZ 9 e v amp LOCK LOCK on JET FRZ TEMP REF TEMP TEST MODE1 STATUS DISPLAY DISPENSER amp KEY TEST MODE2 STATUS DISPLAY ee express 8 o DIGITAL CONTROL m 3secs ICY FILTER RESET ROOM TEMP Sanan HGLb ssecs ROOM TEMP C3 WATER 222 gt UJ DISPENSER amp KEY 30 MICOM FUNCTION 2 18 Door mounted Dispenser 1 This feature allows dispensing of ice and water without having to open the refrigerator door 2 Select CUBES CRUSHED ICE or WATER Then press the dispenser switch The duct door is operated by a solenoid This door closes 5 seconds after ice is dispensed The dispenser does not work if the freezer door is ope
101. chill automatically defaults to CHILLED ROOM 30 F gt LRSC26930 2 7 3 OptiChill Temperature Control 1 The Optichill is in the bottom of the refrigerator compartment and allows the user to select and adjust the temperature based on the type food stored there Selections include meat fish fruits and vegetables etc Storing foods at the proper temperature allows them to be stored for longer periods The Optichill consists of a temperature sensor a damper between the Optichill and the freezer and a temperature control display at the top 3 At initial power up the Optichill defaults to FRUIT VEGE If the refrigerator door is opened the Optichill LED will be on 4 When you press the SELECT button on the left the LED will light and indicate the setting The time for the selected function will be shown You can cycle through the options in this order FRUIT VEGE 39 F gt CHILLED ROOM gt PARTIAL FREEZING gt FRUIT VEGE The display will indicate the temperature for the selected setting The Optichill sensor detects the temperature and relays that information to the MICOM When the set temperature is reached the Optichill damper is closed If the temperature rises the damper is opened to allow the temperature to fall again If the Optichill damper hasn t moved within an hour it is automatically moved and returned to its original setting once every hour to keep it from freezing in one position 24 MICOM F
102. ction Check visually li Check terminal Conduction OK No conduction NG If wire is not cut refer to resistance P Power V Voltage R Resistance puse 65 TROUBLE DIAGNOSIS Faulty fan motor Fan motor Self locked Wire is cut Bad terminal contact Door switch Faults Contact distance I Button pressure Melted contact Contact r Refrigerator and freezer switch reversed Button is not pressed Poor door attachment F Door liner dimension Contraction inner liner Misalignment Bad terminal connection Adiabatics liquid leak PROBLEM CAUSE CHECK POINTS REMARKS 3 Refrigeration lason 2 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 Too short defrosting time Defrost Sensor Faulty characteristics Seat D missing location thickness Structural fault Gasket gap Air inflow through the fan motor Bad insulation of case door No automatic defrosting Defrost does not retum 3 Cooling air leak Bad gasket adhestion Gap Bad attachment Contraction Doorsag Bad adhesion Weak binding force at hinge 4 No cooling air circulation E Check the fan mo
103. d on 2 Change the TV Main PCB 2 Poor Picture 1 Poor LCD Lamp 1 Change the LCD 2 LCD Connector 2 Check connector and switched on 5 2 TV No Poor Symptoms Adjustment 1 No Sound 1 No P601 P602 connector 1 Check connector and switched on 2 Poor speaker 2 Change the speaker 3 Poor TV Main PCB 3 Change the TV Main PCB 2 Poor Radiant heat 1 Fan turning abrades wire and tape 1 Detach Fan and remove the Fan interference 2 Poor Fan 2 Change the Fan 3 No TV broadcast 1 No TV connection 1 Check connection and switch on Hinge Cover Back TV 4 Button does not 1 No P101 connector 1 Check connector and switch on work 2 Poor switch 2 Change the Button PCB 5 Remote Control 1 No P101 connector 1 Check connector and switched on does not work 2 Poor Remote Control sensor 2 Change the Button PCB 3 Poor Remote Control 3 Change the Remote Control 5 3 FM Radio No Poor Symptoms Adjustment 1 No Sound 1 Poor FM Radio Tuner 1 Charge FM Radio Tuner 2 Poor Display LCD 1 Poor Text Display 1 2 Charge FM Radio LCD ASSEMBLY 2 No Backlight amp Check Connector 110 TV RADIO 6 BLOCK DIAGRAM 9 2 09 04 072 001 8913 1 9 NI OV M S H3MOd AL INY AL EHH d3MOd 931 OIQVW AL gt ION 10 1l D 1l 1l 4 1l 1l 1383 amp d AN3W a91 Olavy WS
104. duct operation status in failure No Item Freezer notch Refrigerator notch Contents of failure i Freezing Cooling Defrost Stepping grey pon Compressor BLDC motor BLDC motor Heater motor damper 1 Abnormal Er FS Freezer sensor short circuit ONforf minuss Standard freezer sensor OFF for minutes 2 Abnormal refrigerator Er rS Refrigerator sensor1 short circuit O Standard O O Full opening for ie 1 R1 RPM 10 minutes per part in the Full closing for ie rigerator 15 minutes compartment 3 Abnormal refrigerator Normal display Refrigerator sensor2 short circuit Standard sensor 2 2 RPM Middle part in the refrigerator compartment 4 Abnormal defrost Er 95 Abnormal short circuit Standard defrost sensor RPM 5 Failed defrosting Er dH Defrost heater temperature fuse short Standard circuit unplugged connector indicated RPM 4 hour later after trouble 6 Abnormal freezing Er FF Motor defect hooked of lead wire OFF BLDC motor to fan contact of structures with fan short or open of lead 7 Abnormal cooling Er CF wire there i is no signal of BLDC 2 Standard OFF O BLDC motor motor more than 115 seconds in RPM operation of fan motor 8 Communication Er co Short or open of lead wire Standard Errors connecting between main PCB RPM and display PCB transmission tr and receiving part 9 Abnormal Normal display Ambient sensor short circui
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106. e e ge iar T csm oncos I 8 54 EXPLANATION FOR MICOM CIRCUIT CONG SUN e s sue 2 BOUT DOOR gt P34 57 X lt 2 a 2 a E Bi A 2 pao 8 et OCI2s m ROOM SENSOR y 8 Pn Rx 261RF anit 78 m 9 WATER TANK uu ho SENSOR Dos pes 82 ane mL i e FREEZER SENSOR m RDI 2 e m 2B RF can co E E DEFROST SENSOR mee mE BAS RIS x 5 ce L FRZ DOOR SWITCH tHe m ii Pas JET FREEZER BOX FAN MOTOR 8 ONLY 267 MDL GR 267 KA MDL p64 C FAN C FAN LO TOSHIBA 87 841 1 1
107. ent E Check both terminals of power cord Power conducts OK No power conducts NG W Check both terminals of OLP If power conducts OK If noNG E Check the resistance of both terminals At normal temperature 6 OK If disconnected 63 TROUBLE DIAGNOSIS PROBLEM CAUSE CHECK POINTS REMARKS 2 cooling 2 Refrigeration system is clogged m Moisture Residual moisture Air Blowing Not performed clogged in the evaporator short Impossible moisture confirmation Low air pressure Leave it in the air During rest time After work Caps are missed Residual moisture Not dried in the compressor Elapsed more than 6 months after drying Caps are missed No pressure when it is open Reduced cross section by cutting Squeezed Compressor cap is disconnected Foreign material clogging Foreign materials are in the pipe L No electric Insufficient drier Be drier Drier temperature poweron capacity Leave it in the Check on package thermo conn stat Good storage after finishing p Residual moisture Caps are missed During transportation In pipes During work Air blowing Not performed Performed Too short time Low air pressure L Less dry air Moisture penetration Leave it in the air Moisture penetration into the refrigeration oil Short pipe insert pedjont Pipe gap
108. er Cover Freezer Compartment PCB Cover Water Tubes Refrigerator Compartment 5 c aD em wooo CO mm OptiChill Display 10 iu Humidity Switch IX Water Filter Dairy Products Corner Lamp Shelf Grab and Go Wine Holder Egg Box Snack Drawer Bottle Guide Shelf Door Rack Vegetable Drawer OptiChill PARTS IDENTIFICATION Ref LRSC26920 LRSC26922 Display Panel Dispenser Lamp Ice amp Water Dispenser Button PCB Cover Water Tubes Freezer Refrigerator Compartment Compartment en FRR Door Rack ery Automatic Icemaker 751 B Lamp gi Shelf T Door Rack B Drawer Wire Plastic CMT Door Rack gt a Lower Cover Humidity Switch T4 Water Filter Dairy Products Corner Lamp Shelf Door Rack Wine Holder Egg Box Snack Drawer Bottle Guide Shelf Door Rack Vegetable Drawer Vegetable Drawer Meat Drawer PARTS IDENTIFICATION Ref No LRSC26910 LRSC26911 Display Panel Dispenser Lamp Ice amp Water Dispenser Button
109. er supply control KEY is pressed for 3 seconds in the Icemaking mode no matter what condition the Ice Making tray is in the Ice Removing operation starts immediately Water is not yet frozen so water is poured instead of ice 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 gt Dump Fill Park Position 5 When Stage 5 is completed in the TEST mode minimize MICOM in 5 seconds the time needed to supply water resets to the previous status in the TEST mode Diagnosis TABLE STAGE ITEMS INDICATOR REMARKS Five seconds after heater starts heater will 1 HEATER go off if temperature recorded by sensor is 10 C or lever is in up position Five seconds after heater starts you can 2 MOTOR confirm that motor is moving Ex Li You can confirm Hall IC detection of position 3 HALL IC detection of position I m Two seconds after detection of initial 4 VALVE Detection of position you confirm that valve is on ICE FULL HALL IC Detection You can check whether hall is sensing Full 5 ice condition If there is a ICE FULL error of ICE FULL the fifth LED is not on 5 seconds after the last step is completed t 6 POE Mark previous status on TEST mode the icemaker resets itself to its initial state 3 Defect dia
110. erature Impact characteristics 9 Food storing place Near the outlet of cooling air Check visually after disassembly Check visually after disassembly 67 TROUBLE DIAGNOSIS PROBLEM CAUSE CHECK POINTS REMARKS 4 Warm 1 Clogged cooling path refrigerator Adiabatics liquid leak compartment Foreign materials Adiabatics dump liquid temperature 5 No automatic operation faulty contacts 6 Condensation and ice formation 2 Food storage Store hot food Store too much at once Door open _ Packages block air flow 1 Faulty temperature sensor in freezer or refrigerator compartment r Faulty contact Faulty temperature characteristics 2 Refrigeration load is too much Food much food Hot food r Frequent opening and closing Cool air leak Poor door closing Partially open 3 Poor insulation 4 Bad radiation High ambient temperature Space is secluded 5 Refrigerant leak 6 Inadequate of refrigerant 7 Weak compressor discharging power Different rating Small capacity 8 Fan does not work 9 Button is set at strong 1 Ice in freeezer compartment External air inflow Bushing installed incorrectly rDooropens Weak door closing power but not closes Stopper malfunction Door sag Food hinders door closing r Ga
111. function to be initiated 3 To check the LCD graphic and back light ON OFF status press and hold the EXPRESS JET FRZ and FREEZER buttons This will turn the back light on and illuminate all of the graphics When the buttons are released the graphic display returns to its previous setting and the back light is turned off 2 1 3 Room temperature display function 1 The sensor for the ROOM TEMP display is located under the upper right hinge cover Factors such as air flow lighting and other appliances operating within the room may cause the display to differ from other temperature displays in the same room 2 Ambient temperature is displayed between 16 F and 120 F Temperatures 15 F and below are displayed as Lo and temperatures 121 F and above are displayed as Hi If the ambient temperature sensor fails Er will be displayed 19 MICOM FUNCTION 2 1 4 Lock function dispenser and display button lock 1 When the refrigerator is first powered up the Lock function is turned off 2 To lock the display the dispenser and the control panel press and hold the LOCK button for more than 3 seconds The LOCK text on the display will be turned on 3 To unlock the controls press and hold the lock button for more than 3 seconds The LOCK text on the display will be turned off LCD LRSC26944 LRSC26980TT LED All models except LRSC26944 LRSC26980TT LOCK CONTROL LOCK CONTROL Box 8 DISPENSER amp
112. g place location Tray _ Damaged Breaks holes Small Capacity Position of drain 1 Compressor compartment operating sounds Compressor sound Sound from machine itself inserted Sound from vibration Restrainer Bushing 4 Too hard seat Distorted Aged Burnt Stopper Bad Stopper Not fit assembly inner diameter of stopper Tilted Not r Compressor base not connected Bad welding compressor stand fallen Foreign materials in the compressor compartment OLP sound Chattering sound Insulation paper vibration Capacitor noise 7 Pipe contacts each other Narrow interval Pipe sound No vibration damper Damping Bushing Q Damping Bushing S Capillary tube unattached 69 TROUBLE DIAGNOSIS PROBLEM CAUSE CHECK POINTS REMARKS 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 Bad connection L Partly damaged Condenser drain sound Not connected Bad pipe caulking 2 Freezer compartment sounds Fan motor sound Normal operating sound
113. gnosis function 3 1 ERROR CODES shown on Ice Maker water supply control panel NO DIVISION INDICATOR CONTENTS REMARKS 1 Normal Mark time to None Display switch Supply operates properly Icemaking Make sure that the wire 2 Sensor Cut or short circuited wire on each sensor is malfunction connected 1 Defects of Icemaker Kit 2 a HALL IC MOTOR malfunction reat nie ee Mc ius es HEATER RELAY STALLED EJECTOR ERROR indicators in table can be checked only in TEST mode 59 CIRCUIT CIRCUIT DIAGRAM LRSC26944 LRSC26980TT N NEUTRAL PWB ASSEMBLY MAIN FUSE coN7 BK F FAN WH 250VAC 15A MOTOR BLDC N GN YL GN C FAN MOTOR BLDC Tl HEATER JET FREEZER PLATE DISP BOX FAN 1 F DOOR OPEN PERCEPTION RD PR LAU DEFROST SENSOR gg HEATER SHEATH FUSE MELTING 72 C F SENSOR lg F LAMP F LAMP OPTICHILL SENSOR a OPTICHILL OPTICHILL M 1 STEPPING MOTOR I 1 HEATER SHEET IL DAMPER ICE MAKER KIT AUGER MOTOR OPTICHILL DISPLAY CONI BO BL DISPENSER LEVER SW gi WH m DISP LAMP BN AD Ro
114. ic liner of some parts of the refrigerator These holes allow plastic parts to be injection molded and vacuum formed by allowing air bubbles to be expelled They also allow foam insulation to be pumped into cavities where air bubbles may build up Condensation on the inside wall of the refrigerator compartment and the cover of properly vegetable drawer Explain how to store foods Condensation forms when refrigerator is installed at damp area door is frequently opened and wet foods are not stored in the air tight container or wrapped Be sure to store wet foods in airtight containers or securely covered in plastic wrap When is the power connected When should the power be connected 2 You can connect the power immediately after installation However if the refrigerator was laid flat before or during installation you must stand it upright for 6 hours before plugging it in This allows the refrigerant oils to return to the sump in the compressor If you operate the refrigerator before the oil has had a chance to settle you could damage the compressor Door does not open properly ad The front side should be a little bit higher than the rear side Refrigerator compartment door does not open properly When the door is open warm open air comes into the compartment and is mixed up with cool air This mixed air shall be compressed and increase the internal pressure when door is closed This
115. kaging and remove the protective cover from the o rings With the cartridge knob in the vertical position push the new filter cartridge into the cover until it stops zl If you can t turn the filter from side to side it isn t fully inserted Push it in firmly and twist it into place You will hear the snap when it clicks into place Using the handle twist the cartridge clockwise about 1 4 turn 3 After replacing filter dispense water through the water dispenser for 3 minutes to purge the system There may be a little air in the line causing noise or hissing Run the water at the dispenser until the hissing stops NOTE To purchase replacement water filter cartridges visit your local appliance dealer or part distributor or call 1 877 714 7486 You can also visit our website www lgappliances com 15 HOW TO INSTALL REFRIGERATOR Ice Maker 1 How to Control the Amount of Water Supplied to Icemaker Caution Do not put hands tools into the chute to confirm the operation of geared motor It may damage the refrigerator or hurt your hands To gain access to the ice maker remove the ice bin in the upper part of the freezer compartment Then use the water control switch to change the amount of water supplied to the ice maker Water supply amount TABLE STAGE TIME TO SUPPLY INDICATIONS REMARKS 1 4 sec EL 2 4 5 sec co
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117. n The dispenser will turn itself off after 3 minutes even if it does not receive an OFF signal This prevents damage and overheating of the motor The duct door will close 5 seconds after ice is dispensed The dispenser lamp is turned on and off by the dispenser switch Selection of Cubes Crushed Water 1 Select Cubes Crushed Water using the selection button 2 The default at power up is Crushed 3 The geared motor operates when Cubes or Crushed is selected Water Dispenser Function 1 Select Water using the selection button 2 The water line must be connected to the household water supply The solenoid at the bottom right rear of the refrigerator operates to supply water 3 Press the dispenser switch to dispense water 31 EXPLANATION FOR MICOM CIRCUIT 1 Circuit Descriptions 1 1 Power circuit LRSC269 The power circuit includes a Switched Mode Power Supply SMPS It consists of a rectifier BD1 and CE1 converting AC to DC a switch IC2 switching the DC voltage a transformer and a feedback circuit IC3 and IC4 Caution Since high voltage 160 Vdc is maintained at the power terminal wait at least 3 minutes after unplugging the appliance to allow the current to dissipate Voltage of every part is as follows
118. ns when the compressor compresses the refrigerant The compressor rotates at 3600 RPM The sound of compressor large refrigerators make more noise than small ones Click sounds B Explain the principles of temperature change The sounds happens when pipes and internal evaporator in the refrigerator compartment expand and contract as the temperature changes during the refrigerator operation This sound also happens during defrosting twice a day when the ice on the evaporator melts Clunk sound Explain that it comes from the compressor when the refrigerator starts When the refrigerator operates the piston and motor in the compressor rotate at 3600 RPM This sound is caused by the vibration of motor and piston when they start and finish their operation This phenomenon can be compared with that of cars When an automobile engine starts it is loud at first but quiets down quickly When the engine stops so does the vibration Vibration sound Check the sound whether it comes from the pipes vibration and friction Insert bushing or leave a space between pipes to avoid the noise Fix the fan blade if it is hitting on the shroud Fix the drip tray if it is loosened Sound depends on the installation location Sound becomes louder if the refrigerator is installed on a wooden floor or near a wooden wall Move it to the another location f the refrigerator is not leveled properly a small vibration can make a loud sound Ple
119. nt The water is dispensed by this pressure When this happens motor sound and water flowing sound are heard Noise when supplying ice W Explain the principles of ice supply and procedure of crushed icemaking in a dispenser When ice cube button is pressed ice stored in the ice bin is moved by an auger and dispensed If crushed ice button is pressed the ice cube is crushed When this happens ice crushing and hitting ice bin sounds are heard 98 TROUBLE DIAGNOSIS 2 Measures for Symptoms on Temperature Problems Checks and Measures Refrigeration is weak Check temperature set in the temperature control knob 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 If you adjust the button in the freezer compartment as well the refrigeration is stronger than adjusting refrigerator only The food in the chilled drawer is not frozen but defrosted The chilled drawer does not freeze food Use chilled drawer for storing fresh meat or fish for short periods For storing for a long period or freezing food use a freezer compartment It is normal that frozen foods thaw above the freezing temperature in the chilled drawer Refrigerator water is not cool Check the water storage l
120. ocation f water is kept in the door rack move it to a refrigerator shelf It will then become cooler Ice cream softens E Explain the characteristics of ice cream The freezing point of ice cream is below 15 C 5 F Therefore ice cream may melt if it is stored in the door rack Store ice cream in a cold place or set the temperature control button of a freezer at strong position Refrigeration is too strong Check the position of temperature control button Check if refrigeration is strong in whole area of the refrigerator or partly near the outlet of the cooling air If it is strong in whole area set the control button at weak If it is strong only near the outlet of cool air keep food especially damp foods and easily frozen foods away from the outlet Vegetables are frozen Check the vegetables storage f vegetables are stored in the refrigerator shelf or chilled drawer instead of vegetable drawer they will be frozen Set the control button at weak if they are also frozen in the vegetable drawer The food stored at inside of the shelf freezes even the control button is set at MID Check if food is stored near the outlet of the cooling air The temperature at cooling air outlet is always below the freezing point Do not store food near the outlet of the cooling air as it block the air circulation Do not block the outlet If the outlet of the cooling air is blocked the refrigerator
121. ocked by the filter Inserting a capillary tube Measure distance with a ruler and put mark 12 3 0 on the capillary tube Insert tube to the mark and weld it 93 TROUBLE DIAGNOSIS Items Precautions 4 Vacuum degassing Evaporator Suction pipe D Hot Line Compressor Condenser Low pressure High Blue pressure Yellow SZ A KEY POINT If power is applied Ny during vacuum degassing vacuum degassing shall be more effective Run the compressor Connect the red hose to the high pressure side and the blue hose to the while charging the low pressure side system It is easier and works better Pipe Connection Vacuum Sequence Open valves 1 and 2 and evacuate for 40 minutes Close valve 5 Refrigerant charging Charging sequence 1 Check the amount of refrigerant supplied to each model after completing vacuum degassing 2 Evacuate charging canister with a vacuum pump 3 Measure the amount of refrigerant charged Measure the weight of an evacuated charging canister with an electronic scale Charge refrigerant into a charging canister and measure the weight Calculate the weight of refrigerant charged into the charging canister by subtracting the weight of an evacuated charging canister KEY POINT Indicate the weight of an Be sure to charge the evacuated charging canister refrigerant at around 25
122. ol 3 The Icemaking function is completed when the sensor reaches 19 F 7 C 60 to 240 minutes after starting 4 If the temperature sensor is defective the Icemaking function will be completed in 4 hours 2 3 Harvest with Dump Mode 1 Harvest with Dump control refers to the operation of dropping cubes into the ice bin from the tray when Icemaking has completed 2 Harvest with Dump control mode 1 Operates Heater for 30 seconds then operate MOTOR 2 After performing Step 1 to control the Heater on its off condition Ice Removal control will be back in place wthin 18 minutes Hall SENSOR sign OV Ice removal is then complete Then change the mode to the water supply control If this control phase fails to start it is not functioning Put the Heater and Motor in the off position Restart every 2 hours Refer to fig 1 NOTE If the motor malfunctions and starts before the detect lever rises MICOM regards the Ice Removing phase as completed Water then starts flowing To prevent this MICOM doesn t switch to water supply mode but restarts the ice removing mode If this happens 3 times the motor is malfunctioning and you should stop the loads Heater Motor Then restart the Ice Removing mode every 2 hours See Step 2 above Heater OFF condition Icemaking sensor temperature is 50 F 10 C or more 18 minutes After LEVER rises on Heater off 2 ms 5
123. omething containing water like a vase Do not put glass bottles of water into the freezer The contents will freeze and break the bottles If you scrap or discard the refrigerator remove the doors and dispose of it where children are not likely to play in or around it SPECIFICATIONS Ref LRSC26944 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS 908 x 896 x 1771 mm DRIER MOLECULAR SIEVE XH 7 WxDxH 3511 16 355 16 6911 16 in CAPILLARY TUBE ID 00 83 NET WEIGHT 149 kg 328 5 Ibs FIRST DEFROST 4 5 Hours COOLING SYSTEM Fan Cooling DEFROST CYCLE 13 15 Hours TEMPERATURE CONTROL Micom Control DEFROSTING DEVICE Heater Sheath DEFROSTING SYSTEM Full Automatic Heater Defrost ANTI SWEAT HEATER Dispenser Duct Door Heater Dispenser Heater Water Tank Heater INSULATION Cyclo Pentane ANTI FREEZING HEATER COMPRESSOR PTC Starting Type Damper Heater EVAPORATOR Fin Tube Type FREEZER LAMP 40W 2 EA CONDENSER Wire Condenser REFRIGERATOR LAMP 40W 4 EA REFRIGERANT R134a 185g 61 2 02 DISPENSER LAMP 15W 1 EA LUBRICATING OIL FREOL 10G 320 cc 1771 mm 6911 1 in 1771 mm 6911 46 in 1741 5 mm 681 2 in 1746 5 mm 683 4 in Front View 1004 mm 391 2 in 908 mm 353 4 in 829 mm 325 in 897 mm 355 16 in 1261 mm 495 in md Top View
124. ose r Bolt is loosened during and others transportation Not tightly fastened Screw wom out Weak gasket Adhesion surface adhesion Fixed tape Not well fixed Noise during Hinge interference Bigger door foam operation Hinge Pin tilted Poor flatness No washer No grease Malfunction Not closed Interference between door liner and inner liner Refrigerator Stopper worn out compartment is r Bad freezer compartment door opened when freezer assembly compartment is No stopper closed faulty stopper 2 Odor m Temperature of High Faulty damper control refrigerator m Button is set at weak compartment Dooris open interference by food Deodorizer No deodorizer Poor capacity 72 TROUBLE DIAGNOSIS sede ol JejeH e jueJe8uJe1 pue elenoeAe MOU U9Z0JJ y eleledo JON syed x99u2 59121900 uone4edo 2 SI 11 Se UOOS SE 1615 1 T BuipuiM uoneJedo 8910 0 4055919109 eu ol Aldde Old j euuou syed Alqwesse J Uezo SI 40591905 sued 1941
125. p around gasket Contraction distortion loose door twisted corner not fully inserted Food vapor Storing hot food Unsealed food 2 Condensation in the refrigerator compartment rDooropens Insufficient closing but not closes Door sag Food hinders door closing Gasket gap 3 Condensation on liner foam Coolairleak Not fully filled Top table part and transmitted Out plate Ref Lower part Flange gap Not sealed Gasket gap E Inspect parts measurements and check visually 68 TROUBLE DIAGNOSIS PROBLEM CAUSE CHECK POINTS REMARKS 6 Condensation and ice formation 7 Sounds 4 Condensation on door r Condensation on the duct door Duct door heater is cut Condensation on the Recess Heater is cut dispense recess Duct door is open Foreign material clogging Condensation on the Not fully filled T Surface Liquid shortage door surface Corner Liquid leak Adiabatics liquid contraction Condensation Bad wing adhesion Wing sag lower part on the gasket Door liner shape mismatch surface Corner uc Tee much notch Broken Home Bar heater is cut 5 Water on the floor Condensation in the refrigerator compartment Defrosted water overflows Clogged discharging hose Discharging hose Evaporation tray located at wron
126. pe from cracking 3 sealed parts Confirm Confirm air leaking To protect In case of evaporator parts if it doesn t leak sounds when moisture make noise when removing bushing removing bushing penetration cap blow dry air or gas for more than cap 1 min use the parts Sound usable No sound not usable 4 Refrigeration Evacuation Min More than To remove Cycle time 40 minutes moisture Vacuum Torr Below 0 03 ref Note Only applicable to the model degree equipped with reverse flow protect plate Vacuum EA High and low Vacuum efficiency can be improved by Pressure sides are operating compressor during evacuation evacuated at the same time for models above 2000 Vacuum EA Use R134a To protect The bushing pipes for R12 refrigerant shall piping exclusive mixing of be melted when they are used for R134a manifold mineral and refrigerant causes of leak ester oils Pipe EA Use R134a To protect coupler cxclusive R12 Refri gerant mixing Outlet R134a exclusive Socket Plug R134a exclusive 5 Refrigerant weighing EA Use R134a Do not mix Do not weigh the refrigerant at too hot or exclusively with R12 too cold an area 25 C 77 F is adequate Weighing refrigerant Use copper charging canister allowance 5g Socket 2SV Plug 2PV R134a Note Winter 5g Note Do not burn O ring rubber during Summer 5g welding 6 Drier replacement Use R134a exclusively To remove for R134a refrigerator the moisture
127. quential operation of components Electromechanical parts of the appliance such as the compressor defrost heater freezer fan cooling fan and damper motor are operated sequentially as shown in the chart below to prevent noise and circuit overload from everything starting at once Function Load Operation Sequence Remark poll If error occurs of a defrost sensor duri _ T OPTICHILL uring operation becomes more POWER COMP RM BIER 0 3 STEP initial operation is than 45 C MOTOR sec DAMPER Sr C FAN DAMPER not done initial setup MOTOR ON ON movement ON 3 ola Sequence of load lt defrost sensor POWER 23 DEFROST E DEFROST DAR iri operation when HEATER HEATER __ closing freezer becomes less ON OFF DUCT DOOR DUCT DOOR d refrigerat 5 than 45 C ON amp OPTICHILL amp OPTICHILL ang remgerator power failure HEATER ON HEATER OFF 8 service 03 PIPE 03 PIPE 03 0 3 03 0 3 OPTICHILL c amp sec amp COMP FFAN coc R STEP sec STEP gt DISP DISP 8 MOTOR gt DAMPER HEATER HEATER ON DAMPER MOTOR ON OFF ON ON ON Test mode 1 will return to coe TEST OTHER COMP 5 03 RSTEP 03 norm
128. r Temperature adjustment button to check the display This will turn on the backlight and all display elements Release the buttons and the display will return to its usual state 29 MICOM FUNCTION 2 17 Test Function 1 The test function is a self diagnostic system designed to detect problems early and to make diagnosis and repair easier and quicker 2 The test button is on the main PCB Test mode can run for up to 2 hours and will then default to the normal operation mode if not reset manually 3 The function buttons are inoperable when the refrigerator is in test mode 4 When you have finished using the test mode reset the appliance manually by unplugging it for several seconds 5 nonconforming contents such as sensor failure are found during performance of test mode release the test mode and display the failure code 6 The test button is inoperable if the display is showing failure codes Reset the appliance manually to use the test button Mode Operation Contents Remarks Test 1 Press test button once 1 Continuous operation of compressor Freezer fan is off when strong cold mode 2 Continuous operation of freezing BLDC motor door is open high speed RPM and cooling BLDC motor 3 Defrost heater turns off 4 Stepping motor damper is completely opened baffle open 5 Optichill stepping motor damper is completely closed 6 All display LEDs or LCD graphics turn on Test 2 Press test button on
129. rator the ambient temperature will drop below freezing have a qualified servicer drain the water supply system on some models to prevent serious property damage due to flooding from ruptured water lines or connections 247 MICOM FUNCTION 1 Monitor Panel 1 1 LRSC26944 LRSC26980TT WER ICEBEAM rer INT COOLING ROOM TEMP amp DISPENSER amp KEY EXPRESSWJETFRZ DISPENSER FREEZER REFRIGERATOR FILTER LIGHT LOOK Express Freezer Jet Freezer Dispenser and Button function selection button Lock button Dispenser selection Filter Timer Reset amp Dispenser button Light Toggle Freezer Compartment Refrigerator Compartment Temperature Setting Temperature Setting 1 2 LRSC26930 EXPRESS DIGITAL CONTROL Go 07 DOM TEMP HOLD 3SECS 9 w WATER H Guter 7 5 _ LOCK JET FRZ TEMP REF TEMP DISPENSER amp KEY EXPRESS JET FRZ DISPENSER FREEZER REFRIGERATOR FILTER RESET LIGHT LOOK 1 3 LRSC26910 LRSC26911 LRSC26920 LRSC26922 8 cuse DIGITAL CONTROL wW WATER H5 E HOLD SSeS PONIEN kgg 282 TEMP REF TEMP eo Zur DISPENSER amp KEY EXPRESS FRZ DISPENSER FREEZER REFRIGERATOR FILTER RESET LIGHT LOOK 18 MICOM FUNCTION 2 Refrigerator Functions 2 1 1 Temperature Selection LR
130. rost formation When ice tray with full of water is put into a freezer compartment the water evaporates If cool air fan operates the moisture attached to the jaw protruded part of ice mold will freeze and form frost If warm water was put into the ice mold the situation will become worse 100 TROUBLE DIAGNOSIS 4 Others Problems Checks and Measures The refrigerator case is hot Explain the principles of radiator 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 Particularly in summer or after installation of refrigerator it may feel hot but it is normal If there is not enough space to dissipate heat it can be hotter due to lack of heat radiation Please install a refrigerator in a well ventilated place and leave the clearance between refrigerator and wall Small holes in a door liner Explain that the hole is for releasing gas A small hole in the door liner is for releasing gas during insulation materials lining work With a releasing hole forming can be easily done Electric bills are too much Explain that the hole is to allow the air to escape when vacuum forming plastic parts and pumping foam insulation into cavities NOTE Holes and releasing gas appear to be very crude and would not be acceptable in a manual There are small holes in the plast
131. s Tone a Damaged pipes Too much solder The capillary tube inserted depth Too much Drier clogging Capillary tube melts Over heat Clogged with foreign materials Desiccant powder Weld oxides Drier angle Heat a clogged evaporator to check it As soon as the cracking sound starts the evaporator will begin to freeze E The evaporator does not cool from the beginning no evidence of moisture attached The evaporator is the same as before even heat is applied 64 TROUBLE DIAGNOSIS PROBLEM CAUSE CHECK POINTS REMARKS 3 Refrigeration is weak 1 Refrigerant Partly leaked Weld joint leak 2 Poor defrosting capacity Defrost heater does not Parts generate heat disconnected Parts leak Drain path pipe clogged Inject adiabatics into drain Inject through the hose hole Seal with drain Foreign materials Adiabatics lump input penetration Damage by screw or clamp Other foreign materials input Cap drain is not disconnected Plate heater Cord heater Wire is cut Heating wire Contact point between heating and electric wire Dent by fin evaporator Poor terminal contacts r Wire is cut Lead wire Heating wire Contact point between heating and electric wire Heating wire is corroded Water penetration Bad terminal conne
132. t ambient sensor Note 1 10 Abnormal Normal display Optichill sensor short circuit Optichill sensor Note 2 All displays turn off other than freezer room notch temperature display and refrigerator room notch temperature display failure code indication part when indicating failure modes except for Note1 Note2 28 MICOM FUNCTION Note1 The freezer and refrigerator temperature displays are also used to display error codes The exception is that when the ambient temperature sensor fails it shows Er in the ambient temperature display All other display elements will function normally Note2 The R2 sensor Optichill sensor and water tank sensor are not indicated in the error codes but you can see these errors by entering the test mode by pressing and holding the Freezer Temperature and Express Jet Freezer buttons simultaneously Normal LED or LCD graphic on the C part turns on j R2 sensor middle room Abnormal LED or LCD graphic on the C part turns off L Optichill Normal LED or LCD graphic on the D part turns on E hs el sensor Abnormal LED or LCD graphic on the D part turns off Turn On P Normal LEDs or LCDs graphic on the E part turns on Abnormal LEDs or LCDs graphic on the E part turns off Water tank sensor LCD LED check function LCD LED Press and hold the Express Freeze button and the Freeze
133. t Adiabatics liquid leak 1 Lead wire is damaged Wire damage when assembling PTC Cover r Outlet burr the bottom plate Pressed by cord heater lead wire evaporator pipe 2 Exposed terminal r Compressor Compartment terminal Touching other components Freezer compartment terminal Touching evaporator pipe 3 Faulty parts Transformer Coil contacts cover Welded terminal parts contact cover Bad sealing Sheath heater Refrigerator and freezer switches are reversed Compressor Bad coil insulation Plate heater Melting fuse Sealing is broken Moisture penetration Cord heater EE Pipe damaged Moisture penetration PROBLEM CAUSE CHECK POINTS REMARKS 8 Faulty lamp 1 Lamp problem Filament blows out freezer and Glass is broken refrigerator 2 Bad lamp assembly Not inserted compartment E Connect conduction and non conduction parts and check with tester Conduction NG Resistance OK 71 TROUBLE DIAGNOSIS Food Storage Seal condition Long tem storage Others Odors from cleaners Storage of fragrant foods or items which should not be stored in a refrigerator PROBLEM CAUSE CHECK POINTS REMARKS 10 Structure 1 Door foam appearance m Sag Hinge lo
134. t 18 5 16 m gt 11H 2 2102 12 18 6 15 10H 3 0101 10A 50 20 7 gt alla a uM 21 iT bo A A 6 77 ale P14 RES gt T 22 2 19 R67 E A 6 T 25 R6B A E i p EM 67 L4 L10 24 R68 A E z 270 2 15 191 AR 25 5 6 R70 520 9 E 175 d CMM 15 112 49 am Ls A p le L13 28 ai 7 4 R72 P22 Do AT 2m 4 ug 4 7K P33 36 13 x 8 52 Ix 5 1 12 a a Jt PWB ASSEMBLY DISPLAY 1 15 Jet freezing LRSC26944 LRSC26930 CON7 JET FREEZER BOX FAN MOTOR 46 EXPLANATION FOR MICOM CIRCUIT 2 PWB parts diagram and list 2 1 PWB Assembly main part diagram LRSC269 lt gt 181 2 181 3L1HM 71 5 FUSE ie ap qm EA aru won 451073414 LAY N 9510 zm 3802 3106 Waiva 310 we 1 NOD SNOI A S H 43431 4510 687181259 C mm ____ IWO 139 184 R4 ROCP 199 9y m 2201 J19 R33 R43 CE13 2 ac SNYML q
135. ter turning the refrigerator off 2 Install a piercing type valve on the high pressure line drier side Then use the appropriate recovery equipment to recover the refrigerant from the system When the refrigerant has been recovered install a piercing type valve on the low pressure side IT IS IMPORTANT TO OPEN THE SYSTEM IN THIS ORDER TO KEEP THE OIL FROM BEING FORCED OUT The use of piercing type valves will allow future servicing and eliminates the possibility of a defective pinch off Evaporator Compressor Low pressure side Condenser 0 High pressure side 3 Replacement of drier 1 Be sure to replace drier with R134a only when repairing pipes and injecting refrigerant 4 Nitrogen blowing welding 1 Use pressurized nitrogen to prevent oxidation inside the piping Nitrogen pressure 0 1 0 2 kg cm 5 Others 1 Only nitrogen or R134a should be used when cleaning the inside of piping of the sealed system 2 Check leakage with an electronic leakage tester 3 Be sure to use a pipe cutter when cutting pipes 4 Be careful not the water let intrude into the inside of the cycle 92 TROUBLE DIAGNOSIS 4 Practical Work For Heavy Repair Items Precautions 1 Removal of residual refrigerant Evaporator Low pressure side KEY POINT Observe the sequence for removal of refrigerant If not compressor oil may leak Hot Line Compressor
136. tic Heater Defrost ANTI SWEAT HEATER Dispenser Duct Door Heater Dispenser Heater LUBRICATING OIL FREOL 10G 320 cc 1771 mm 6911 46 in 1741 5 mm 681 2 in 1746 5 mm 683 4 in 1771 mm 6911 46 in Front View INSULATION Cyclo Pentane ANTI FREEZING HEATER Water Tank Heater COMPRESSOR PTC Starting Type Damper Heater EVAPORATOR Fin Tube Type FREEZER LAMP 40W 1 EA CONDENSER Wire Condenser REFRIGERATOR LAMP 40W 3 EA REFRIGERANT R134a 1850 61 2 02 DISPENSER LAMP 15W 1 EA 1004 mm 391 2 in 908 mm 353 4 in 779 mm 305 in 829 mm 325 in 892 351 in 1261 mm 495 in SPECIFICATIONS Ref No LRSC26980TT ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS 908 x 896 x 1771 mm DRIER MOLECULAR SIEVE XH 7 WxDxH 3511 16 355 16 6911 16 in CAPILLARY TUBE ID 00 83 NET WEIGHT 154 kg 339 5 Ibs FIRST DEFROST 4 5 Hours COOLING SYSTEM Fan Cooling DEFROST CYCLE 13 15 Hours TEMPERATURE CONTROL Micom Control DEFROSTING DEVICE Heater Sheath DEFROSTING SYSTEM Full Automatic ANTI SWEAT HEATER Heater Defrost Dispenser Duct Door Heater Dispenser Heater INSULATION Cyclo Pentane ANTI FREEZING HEATER Water Tank Heater COMPRESSOR PTC Starting Type Damper
137. tlet and wait for more than three minutes before replacing PWB parts Disconnect the power whenever replacing and repairing electric components 2 If disconnecting the power wait at least 5 minutes before plugging the unit back in 3 Before touching the power cord make sure the cord is not damaged If the power cord is damaged it can cause a fire or an electrical shock 4 Make sure the unit has a dedicated circuit breaker Overloading the circuit can cause a fire 5 Please make sure the outlet is properly grounded Particularly in a wet or damp area 6 Use standard electrical components 7 Remove dust and foreign materials from the housing and connecting parts 8 10 11 12 13 14 15 Do not fray damage run over kink bend pull out or twist the power cord Please check for evidence of moisture intrusion in the electrical components Replace the parts or mask with insulation tape if moisture intrusion is confirmed Stay clear of the icemaker with hands or tools if the unit has power Do not try to manually turn the ice maker even when turned off Customers should not repair the refrigerator themselves This work requires special tools and knowledge Non professionals could cause fire injury or damage to the product Do not store flammable materials such as ether benzene alcohol chemicals or gas in the refrigerator Do not put anything on top of the refrigerator especially s
138. to last more than 2 minutes between main MICOM of main PCB and LCD LED dedicated MICOM for LCD LED control of display PCB Main PCB FD H 4 wires Display PCB DC 12V Main MICOM i LCD LED dedicated MICOM VL GND Transmission error status Reception notch status LRSC269 CON6 9 11 il EATER SHEE 2 lot DOOR H Ln z MICOM zi 2 5 pai 2 52 5H1 201 104 5 6V 0 5W a R28 43 47K BH3 Clos C m 77 IT FILTER COOLING FUE TSF ROOM TEMP amp DISPENSER amp KEY 171 iF gS EXPRESS JET FRZ DISPENSER FREEZER REFRIGERATOR FILTER LIGHT LOOK 44 EXPLANATION FOR MICOM CIRCUIT Sensor resistance characteristics table Measuring Temperature C Freezing Sensor RL i Frost removal sensor Outside sensor 20 C 4 F 22 3 77 15 C 5 F 16 9 60 10 C 14 F 13 0 47 3 5 C 23 F 10 1 kQ 38 4 0 C 32 F 7 8 30 kQ 5 C 41 F 6 2 24 1 kQ 10 C 50 F 4 9 kQ 19 5 kQ 15 C 59 F 3 9 kQ 15 9 20 C 68 F 3 1 13 25 C 77 F 2 5 11 30 C 86 F 2 0 8 9 40 C 1
139. tor conduction OK No conduction NG 66 TROUBLE DIAGNOSIS PROBLEM CAUSE CHECK POINTS REMARKS 3 Refrigeration is weak 4 No cooling air circulation Faulty fan motor Fan is constrained Small cooling air Insufficient discharge motor RPM Fan shroud contact Clearance Damping evaporator contact Accumulated residual frost r Fan overload Fan misuse Bad low termperature RPM characteristics Rated power misuse Low voltage Faulty fan Fan misuse shape Loose connection Not tightly connected Insert depth Shorud Bent Ice and foreign materials on rotating parts 5 Compressor capacity Rating misuse Small capacity Low valtage 6 Refrigerant r Malfunction of charging cylinder too much or too little Wrong setting of refrigerant 7 Continuous operation Insufficient compressor Faulty compressor No contact of temperature controller Foreign materials 8 Damper opens continuously Foreign materials Adiabatics liquid dump jammed r The EPS styrofoam drip tray has sediment in it A screw or other foreign material has fallen into the drip tray or damper r Failed sensor Position of sensor Characteristics Bad characteristics of its own temperatue of damper r Parts misuse Charge of temp
140. turned on TV RADIO 4 REMOTE CONTROL KEY FUNCTIONS When using the remote control aim it at remote control sensor on the TV TV RADIO Selects TV or Radio MUTE Switches the sound on or off FCR Use to scroll the Favorite channel list EXIT NUMBER buttons DASP Selects the sound appropriate for the program s character cc Select a closed caption Off EZ Mute or On Installing Batteries da flashbk sleep POWER MTS Selects MTS sound Mono Stereo or SAP MENU PRESET Activates the on screen menu toggles through the menus and toggles through preset radio station ENTER MEM CH v Channel button VOL 4 Volume button APC Adjusts the factory preset picture according to the room SLEEP Lets you select the amount of time before your TV turns itself off automatically FLASHBK Press the FLASHBK button to return to the last channel you were watching Open the battery compartment cover on the back side and insert the batteries with correct polarity Install two 1 5V batteries of AAA type Don t mix used batteries with new batteries 109 TV RADIO 5 TROUBLESHOOTING 5 1 General No Poor Symptoms Adjustment 1 No Picture 1 No P1 P51 P52 P53 P54 connector 2 Poor TV Main PCB 1 Check P1 connector and switche
141. u2 sosne2 82 TROUBLE DIAGNOSIS 400p jo Jeuul pue Juejeas eui 295 1055 y ul 20 jo deo y SIOOP 1 2 JO 6ulsolo pue Aq punos au punos ps ym y syons pue Ald eys eui Jo ainssaid Sesolo 100p ueuM 595010 Joop uaym ajsiym Jo punog Jeulellsel pue desm SI punos e1nssejd eujelul Aq Buiwoj pue Sal9Ao 2 jo sejdiouud uleldx3 SI JosseJdujoo punos eui YO9U4 SI JosseJdujoo punos eui xoeu JolelodeAe pue Jesuepuoo eoueJeylip einsseJd eui Aq sedid jeujejur ul sessed ueuw sueddeu punos Jo Buijioq 193 Sel5Ao sejdiouud y uleldx3 uowpedwoo 1055949109 ui uoejep Jo sedid uonons ol eqni y uelsed eqni Medeo USSU pue s
142. utlet faulty adapter r The Inner diameter of adapter The distance between holes The distance between terminals The thickness of terminal rBad connection between plug and adapter faulty plug r The distance between pins Pin outer diameter 3 Shorted start circuit power cord Faulty soldering Internal electrical short Faulty terminal contact Loose contact Large distance between male terminal Thin female terminal Terminal disconnected Bad sleeve assembly L Disconnected Weak connection Short inserted cord length Wom out tool blade r Capacity of OLP is small Characteristics of OLP is bad Bad connection OLP is off Poweris disconnected Inner Ni Cr wire blows out Bad intemal connection Faulty terminal caulking Cu wire is cut Bad soldering r No electric power on compressor Faulty compressor Power does not conduct Damage Bad characteristics Initial resistance is big Bad connection with p loose compressor Assembly is not possible Bad terminal connection Faulty PTC 4 During defrost bax automatic defrost Cycle was set at defrost when the refrigerator was produced r No power on Disconnected copper wire Power cord is disconnected Measuring instrument Multi tester E Check the voltage If the voltage is within 85 of the rated voltage it is OK E Check the terminal movem

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