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REFRIGERATOR SERVICE MANUAL

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1. ZNOJ NOS r gt c B 3 a N OO OO 80 41 7031409 AWIL ONIATAANS 3 430115 8 6 819 1980 21599 2565935555 buoy cor 011401 51 1050
2. No PA DESCRIPTION SPEC MAKER REMARK 6870 581798 PIBIPCBI L P2674R CHD PJT UL NON W ROOM VER 2 000 SAN 6 NON MAGIC ROOM 2 OBI TRANSFORMER PSI COIL CD2 CH PJT DELUXE NAESU SAM IL RANS 608204 TRANSFORMER SPSI COIL 1 CD2 CH PJT DELUXE 100 127V SAM IL RANS 3 6630942707 CONNECTOR CIRC MEER 7 7 2 4 6 YEON 00 4 663000509 CONNECTOR CIRC WAFER 6 9P 3 99 YW396 09AV RED YEON Nn 5 663007509 CONNECTOR CIRC WAFER YW396 3 99 9P 2 4 6 8 YEON HO CONI 6 663 CONNECTOR CIRC WAFER YW396_YEONHO YW396 IIAV_ IIP 2 4 6 8 10 YEON 08 7 66305800K CONNECTOR CIRC WAFER 17789 1 2 5M STRAIGHT SN AP Nb 6630 88007J CONNECTOR CIRC MEER 917788 1 10 2 5M STRAIGHT SN AP 08 9 6530 88007 CONNECTOR CIRC WAFER 917790 1 122 2 3M STRAIGHT SN 06 0 6608004 CONNECTOR CIRC WAFER 917791 1 2 5M STRAIGHT SN AP CON 6598 0 CONNECTOR CIRC WAFER 917784 MP EP STRAIGHT SN AP 08 2 0 288 C DRAWING SDIP ST OTP_TOMORROW PUT N S IBCMDEFN BETTER
3. I Zar 2750 2 4 m RI 62 ICI R4 FUSEZ sx 222 VAN FN B m MICOM 4 al MAL 3 E u 2 5 tk SIR ven sal 795 5 Varer cae 2 104 1 Za cc2 FUSE 22 v 2507 54 4 1 Vos 77 TABI NE 25 TEST 22 FOR MICOM CIRCUIT GC P L207 88 LED gt lt GC P L207 Bar LED gt 104 Ju 801 m 10 e R2 eZ va 2 Zee RI FUSE2 uda 250V 5A E 8 ale u 5 7865 amp er VAI cos e 32 vss 250 54 Vass m MICOM Vss Bol cel re re 450 E 2 CM2 T 3 IA 20 273 RI IN EA 2501 5 4 2 L M PA 58 6635 A w FUSEI 250 54 TAB co V lt GC P L207 Dot LED gt
4. Function Load Operation Sequence Remark nn E If error occurs of a frost remova during operation 0 5 0 3 y 0 3 0 3 sensor becomes POWER 566 COMP sec F Ban sec MOTOR sec initial operation is more than 45 C gt gt not done C FAN DAMPER HEATER In purchase ON ON ON ON ON movement 3 8 of a HOME HOME 0 5 8 0 3 5 frost removal POWER sec VAI sec REMOVAL sec BAR sec BAR sensor becomes HEATER HEATER PIPE PIPE less than 45 C ON ON OFF HEATER HEATER In power failure ON OFF 8 service WATER 5 6 SUPPLY 5 93 F FAN sec amp sec COMP sec amp DISPENSE C FAN HEATER ON ON ON Test mode 1 If pressing switch TEST 0 3 0 3 F 0 3 STEP once more in the ie OTHER sec COMP FRAN sec MOTOR 2 or Press OFF ON C FAN DAMPER temperature of a m Once ON OPEN frost removal 0 sensor is more than 5 it M Compulsory frost TEST comp 93 F FAN 0 3 FROST 0 3 STEP to the removal SW Sec amp sec REMOVAL 555 MOTOR mode for initia Press OFF C FAN HEATER DAMPER operation 2 times OFF ON CLOSE COMP operates after 7 minutes 26 FUNCTION 2 13 Function of Trouble Diagnosis Bar LED Dot LED 1 Function of troub
5. XDPKBO F LAMP BLN HEATER CORD HIBAR STEPPING MOTOR R2 SENSOR R1 SENSOR H BAR PARTS N BLIN DOOR OPEN PERCEPTION E ull oo NI oo no HEATER SHEET DAMPER PWB R LAMP CAPACITOR PART RUNNING BL N PK CAPACITOR STARTING CAPACITOR guy ASSEMBLY DISPLAY 101 COMPRESSOR EARTH PART BL N P T C ASSEMBLY AMBIENT SENSOR H BAR PART H BAR HEATER DOOR S W CAPACITOR PART PLUG TYPE P T C ASSEMBLY PART COMPRESSOR EARTH PART PILOT VALVE S W PART MIRACLE ZONE WATER TANK SENSOR ON CIRCUIT DIAGRAMS SUBJECT TO CHANGE IN DIFFERENT LOCALITES AND ACCORDANCE WITH MODEL TYPE MIMUTRA PWB ASSEMBLY MAIN CONG FUSE PART F FAN MOTOR BLDC mE BL PR C FAN MOTOR BLDC ese 74 80 0008 SWITCH FE GN YL GN M HEATER PIPE GY I DISP
6. E d goto P cog 2 EES SEA Bacca e 2 SA ente b E 3 PPE HEATER HEATER fexal 72 78 EXPLATION FOR MICOM CIRCUIT 4 T uma 113 5 2 CONIOI 225 Lo le 3 9 m 4 7 248 m 5 6 7 5 P 6 5 DIE 4 4 16 0 5 55153 554 67 82 m H Fd i 5 8 al 41 18 E 742 E he 2 003 005 006 Ej 5 25 m lg PWB ASSEMBLY DISPLAY rai RT SENSOR 5 p 2
7. TABI 250V I5A FUSE TAB2 28 60 n 2 gt 0 3l SH va ZZ HF Zur 2759 8 FUSEZ 2 4 88 u 2 F M PA SIR 663 va Vass ICI MICOM Varef 22 Vss 54 Vass gt 32 4 BI TEST EXPLATION FOR MICOM CIRCUIT 1 2 Oscillation circuit Oscillation circuit is a circuit with the purpose of generating basic time for clock occurrence for synchronization and time calculation in relation with information transmission reception of inside elements of IC1 MICOM The OSC1 must always use rated parts since if SPEC is changed time calculated at the may be changed no operation is done lt GC L207 Bar LED gt C e XIN 5154 00 603 RI4 IM OSCI n XOUT 3 1 3 The reset circuit is circuit allowing various parts such as RAM inside of MICOM IC1 to initialize and the whole of function t start from the initial status when initial power is input or when power is applied again to MICOM by a spontaneous power failure LOW voltage is applied to the reset terminal of MICOM in the beginning of power supply for a constant tim
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17. WATER TANK SENSOR r ICE MAKING SENSOR 2 14 Test Function 1 The purpose of test function is to check function of the PWB and product and to search for the failure part at the failure status NORMA L LED GRAPHIC ON THE C X ABNORMAL LED GRAPHIC ON THE C NORMA L LED GRAPHIC ON THE D ABNORMAL LED GRAPHIC ON THE D NORMA L LEDS GRAPHIC ON THE ABNORMAL LEDS GRAPHIC ON THE UNIT NORMA L LEDS GRAPHIC ON THE ABNORMAL LEDS GRAPHIC ON THE L AMBIENT SENSOR NORMA L LEDS GRAPHIC ON THE ABNORMAL LEDS GRAPHIC ON THE PART TURNS ON PART TURNS OFF PART TURNS ON PART TURNS OFF E PART TURNS ON E PART TURNS OFF F PART TURNS ON F PART TURNS OFF PART TURNS ON PART TURNS OFF THE OTHER LED GRAPHICS TURN ON 2 Test button is placed on the main PCB of refrigerator test switch and the test mode will be finished after maximum 2 hours irrespective of test mode and then is reset to the normal status 3 Function adjustment button is not perceived during performance of test mode but only warning sounds ring 4 In finishing test mode always pull the power cord out and then plug in it again for the normal state 5 If nonconforming contents such as sensor failure are found during performance of test mode release the test mode and display the failure code 6 Even if pressing the test button during failure code display
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20. HE 450V 20 BULK SNAP IN RUBYCON SAMHHA CEI 105 4 OCEBBBZUGEO CAPACITOR FIXED ELECTROLYTIC MXC 400V 20 BULK SNAP IN RUBYCON 45 00E226 K638 CAPACITOR FIXED ELECTROLYTIC 2 SOV 20 TP 5 RUBYCON SAMHHA 2205 46 0 1 80 CAPACITOR FIXED ELECTROLYTIC O00UF YXG 25V 20 FL BULK RUBYCON SAMHHA CE3 105 OCEIO8ZJ6I0 CAPACITOR FIXED ELECTROLYTIC RUF YXG 3bV 20 FL BULK RUBYCON SAMIHA E4105 48 0227768 CAPACITOR FIXED ELECTROLYTIC YK lev 204 TP 5 RUBYCON SAMIHA E585 4 0 227 38 CAPACITOR FIXED ELECTROLYTIC RD 25V 20 TP 5 RUBYCON CE9 101105 CEIO5 K638 CAPACITOR FIXED ELECTROLYTIC UF 50 20 TP 5 RUBYCON SAMHHA 815 00610775638 CAPACITOR FIXED ELECTROLYTIC OOF 28V 20 TP 5 RUBYCON CEI 2 XEl05 638 CAPACITOR FIXED ELECTROLYTIC SOV 20 TP 5 RUBYCON CE6 8 11 2 14851 33 024988 CAPACITOR FIXED ELECTROLYTIC 4M 915 55 25 20 TP 5 RUBYCON SAMIHA CEI6 85 0 0876 CAPACITOR FIXED ELECTROLYTIC 50V 20 TP 5 RUBYCON SAMHHA CEIBIBSI 98 QOMTIDKODA CAPACITOR FIXED CERAMIC HIGH DIELECTRIC 0 00047UF 2012 50 80 20 R TP XR MARATA cc 002210750 CAPACITOR FIXED CERAMIC HIGH DIELECTRIC 220P AV K 8 5 SAW WHA DOOSAN 2 7 OCK224DK94A CAPACITOR FIXED CERAMIC HIGH DIELECTRIC 220NF 2012 804 20 FIYSV RATP MURATA 003 CAPACITOR FIXED CERAMIC H
21. WT SENSR 3 1 Fer F SENSOR ue 2 1 3 gt D SENSOR i 8 F D0R S W Cf PI crm LOK LI m le lo Eee 2 WER DOR su bi cel 3 ROR 5 z p E m 5 RI SENSOR 22 2 5 wel 2 1 2 11 E 9 u io LA STEPPING ne ae s 5 ur Ld 12 4 3 e ST i ICE MAKER SENSOR I wu I Is Em sls 6 TEST S W h al le uml eem ki 5 cma 6 MAKER if j 79 ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 1 Working Principles 1 1 Maker Working Principles Power Input Level Ice Maker Cube Mould for Initial Control after power is input Initial Control Ice Making Control Ice Ejection Control e Check ice bank is full of ice by rotating ice ejection motor in normal and reverse direction and eject ice into the ice bank if ice bank is not full Water Supply Control Test Control This is for refrigerator assembly line and service When ice making test switch is pressed it operates in the following steps initial ice ejection water supply control steps 1 2 Dispenser Working Principles 1 This function i
22. 3 SHROUD GRILLE FAN 1 Loosen two screws after disconnecting a cap screw of a grille fan U with a balde screwdriver 2 Disassembly of a grille fan U Pull forward after opening hook at part with a blade screwdriver 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 blade screwdriver 7 Disassembly of shroud F U Hold upper part and pull forward 8 Check foam PU sticking conditions around a shroud F U and F L during assembling If damaged torn or badly sticked assemble with a new one after sealing well 4 ICEMAKER ASSEMBLY 1 Dispenser Model 1 How to disassemble 1 Remove ice bank from the freezer compartment 2 Loosen two screws on the upper part of icemaker bracket 3 Disconnect icemaker bracket so that it can slide forward 4 Disconnect icemaker housing and sensor housing 5 Disconnect icemaker horizontally by pressing bracket hook part Don t disassemble further The set value may be changed 2 How to assemble The assembly is the reverse order of the above disassembly Bracket Ice Maker Insulation Sensor M Cover Sensor Note When the ice tray is not horizontal after assembly assembly must be wrong Check and assemble again
23. 080000509 RESISTOR FIXED CARBON FILM KON 174 W 57 1162 MRON 77 su 020052 RESISTOR METAL GLAZEDICHP 220 OHI V8 5 202 WP ROH R77 e 08100162 RESISTOR METAL GLAZEDICHP K 88 1 8 5 20 97 ROH 8 e 522 RESISTOR GLAZEDICHP V8 W 57 202 RTP POH 81 09007522 RESISTOR METAL GLAZEDICHP OK 081 8 57 202 R TP POH RI2 16 46 57 e 004 1627 RESISTOR METAL GLAZEDICHP 4 K 08 8 57 202 RTP ROHN R04 25 28 37 44 61 73 76 78 e 0022001627 RESISTOR METAL GLAZEDICHP 7 8 WS 202 RIP ROHN 2 2 32 34 52 54 58 63 61 e 08300622 RESISTOR METAL GLAZEDICHP 330 CHI 1 8 W 5 2012 RTP ROHI RET 9 08001522 RESISTOR METAL GLAZEDICHP OM 8 W 202 ROM R72 NR 0RJQGI2 RESISTOR METAL GLAZED CHIP 008 1 8 W 202 ROM 2 981 2 47 RESISTOR METAL GLAZEDICHP OM 1 8 W 2012 R TP ROM PRI 0910044277 RESISTOR METAL GLAZEDICHP TOK OEM 1 8 202 R TP ROM 080002009 RESISTOR FIXED CARBON FILM OFM 174 W 5162 SMART CHOHYANG 080202009 RESISTOR FIXED CARBON FILM OHM 1 4 W 52 SMART CHOHYANG IRORI 008206509 RESISTOR FIXED CARBON FILM 8 2K OM 1 4 W 5 00 TA SMART CHOHYANG IRORI 403500629 RESISTOR FIXED CARBON FILM OFM 1 4 W MART ONANG 00390559 RESISTOR FIXED CARBON FILM 380 174 W 5 007 152 MART ONANG RO 009186 RESISTOR FIXED CARBON FILM 1 5K 172 W 1152 9 0086 4 8 0 0902006609 RESISTOR FIXED CAR
24. 27 HOW TO INSTALL REFRIGERATOR Install Water Filter Applicable to some models only Before Installing water filter 1 Before installing the filter take out the top shelf of the refrigerator after tilting it to the direction and lifting it to the direction and move it to the lower part 2 Remove the lamp cover by pressing the protrusion under the cover and pulling the cover to the front Installing water filter 1 Initial installation of water filter Remove the filter substitute cap by turning it counterclockwise 1 by 90 degrees and pulling it down Note Keep it safe to use it later when you do not use the filter Remove the red cap from the filter and attach the sticker Insert the upper part of the filter after aligning with the guideline marked on the control box and fasten it by turning it clockwise by 90 degrees Note Check that the guideline and the fastening indication line are aligned fai Substitute Separation of red cap FEN 1 Adhesion sticker 2 Replacement of water filter While holding the lower part of the filter turn it counterclockwise 1 by 90 degrees and it down Note Check that the guideline and the loosening indication line are aligned Control box Aligning with the guide line and the fastening indication line Control box Aligning with
25. RI JI gt pUe m P66 62 amp 4 AN L 7 F SENSOR 23T 80 IOF 2 pes 16 777 4 26 IKI 7507 AINE TRE D SENSOR 223 1 8 285 a CON7 P62 t 5 5 ell X mpm RI SENSOR 23 T 6 p63 59 77 R54 26 IKF 50V x pe R2 SENSOR 223 F 77 50 m 28 EXPLATION CIRCUIT 1 6 Switch entry circuit The following circuits are entry circuits for sensing signal form test S W electronic single motor damper reed S W for examining refrigerator lt GC B C207 88 LED gt lt GC B C207 Bar Dot LED gt AK 4 4 7K Es E tm P46 C P40 3 cdit GC P L207 88 LED gt GC P L207 Bar LED gt GC P L207 Dot LED gt IC ele gt Een is E MICOM MICOMI 1 7 Option designation circuit model separation function GC B C207 88 LED gt GC B C207 Bar Dot LED gt a ICI ao UI 1 MICOM lt GC P L207 88 LED gt lt GC P L207 Dot LED gt wi ic Ci one m MICOM The above circuits are used for designating separation model as option notifying it to Designa
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27. 1 The water supplying time is set at five seconds when the refrigerator is delivered 2 The amount of water supplied depends on the setting time and water pressure city water pressure 3 If ice cube is too small increase the water supplying time This happens when too small water is supplied into the ice tray 4 If ice cube sticks together decrease the water supplying time This happens when too much water is supplied into the ice tray Caution When adjusting the amount of water supplied adjust step by step Otherwise the water may spill over Switch ON Switch OFF 3 When adjustment of control switch for the amount of water supplied is complete check the level of water in the ice tray Confirm the amount of water 1 2 ner SII Www Optimum level 2 20 MICOM FUNCTION 1 Monitor Panel 1 1 GC L207 Description Function display board Optional EXPRESS CUBE FRZ TEMP REF TEMP FILTER STATUS DISPENSER FRZ BUTTON Type A e WATER 586150 NAN ON 552 CRUSH LOCK FREEZER REFRIGERATOR FILTER LOCK Lock button Filter reset button EXPRESSFRZ DISPENSER FREEZER REFRIGERATOR FILTER Express freezer Dispenser selection button Temperature adjustment butto
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29. 137 HOW DISASSEMBLE AND ASSEMBLE 5 DISPENSER 4 Loosen four screws with a phillips screwdriver and pull a 1 Disconnect button assembly by pulling down until it Bet stops and then pulling forward Funnel Assembly y Button 5 Duct cap Assembly is disconnected if hold lever connecting screw is loosened with a phillips screwdriver 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 fixed with a hook Cap Assembly Duct 6 For assembling a duct cap Assembly insert one end of a spring into the right hole of dispenser lever and insert the other end into the right hole in upper part of dispenser And then assemble a holder lever after fixing a holder at a solenoid Assembly working part 3 Display Assembly can be disconnected by pressing the upper part of a cover dispenser and pushing a display Assembly after disconnecting display frame Assembly housing Heater Sheet 138 HOW DISASSEMBLE AND ASSEMBLE 7 Dispenser Related Parts lt 4 Cap Assembly Duct Detailed Drawings gt 139 FRAME ASSEMBLY DISPLAY COVER DISPENSER FRAME DISPLAY BUTTON DECO BUTTON ASSEMBLY PWB PCB ASSEMBLY DISPLAY FUNNEL ASSEMBLY SWITCH MICRO O oO wy FRAME FUNNEL LEV
30. LEID 8 1 20 68545000A WIPE 75 00 25 EOM TAPING SN DAE LEID RIZ 2 68545000A WE 0 6 75 100 125 SOM TP TAPING SN DAE A LEID 2 2 6908 630024 BUZZER FN 20K BLLEON PIEZO 2KHZ 8008 BUEON BUZZER 23 _6200 B800B FILTERICIRC EIC 120 0 1UF PILKOR 24 62008500 FILTERICIRCI ENC CH910060 TNC BK LI 62005807X FILTER CIRCI WII 05320 BK 0 5A 3706 2 2 800 0 NDUCTOR RADIAL LEAD 0004 20 R 62 5 13 4 UTC FUSE DRAWING 250V EF 2 631800 FUSE ASSENELY 5 5 JU FUGE FOLDER 29 0067 FUSE SLOW LON 250 V 5 229 18 8 UL CA 5 JU Fr 0 00027 CONECTOR CIRC WAFER GPOBIIST 2 HAN KUK DIN NA NA NA KET 182 3 490820 HEAT SINK 23 3425 RIVE 1 STR R S64 65 73 PN SOREW TAE SING 2 203248 SCREW TEISI BINDING HEAD 13 0 18 0 888377 2 231 90000 SOLDERIROGIN WIRE RSO 0 20 al 031004 SOLDER SOLDERING NA HEESUNG METAL BAR SN 627 M SING 5 589 FLU 95 0 825 0 880 KOREA 26 KOKI 69 EXPLATION FOR CIRCUIT lt GC P L207 Bar LED gt
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33. DIGITAL CONTROL FILTER STATUS DISPENSER Z FR BUTTON WATER ON EH CRUSH FRZTEMP REF TEMP EXPRESSFRZ DISPENSER FREEZER REFRIGERATOR FILTER LOCK e 1 L4 T 40 vos i Fl 1 3 2 ICI ai 9 got K 44 B 54 3 116 KIATOAZAF FEET gt 52 75 43 sir E Tp 5 116 004 P76 42 5 15 E P7 36 ICIO 665 TEST Fi 0106 q um us us 9 2a 4 iie m EI 390 28 uo ua t C 18 vs a8 390 2 sou mu g 9 RIS EIN 39 2 Be cl 8 ME 4 399 28 N 37 x Qo 8 ME as S S l m ii w we us 24 4 599 96 5 4 ao 3 iu 86 DE 28 uz 9 5 g 107 KIDESOOBAF qs RI 330 1 20 si Ree t MESE MESE SES S t a B 888 29 2 m MR B B
34. RIS 220 2 amp ig 20 2 220 2 3 b dos 0 g DIO 09 02 2 Wii 55 EXPLATION FOR MICOM CIRCUIT 1 11 Key Button Input and Display Lighting Circuit Bar LED Dot LED This circuit is to judge the work of function control button on the operation panel and to light each function indication led LED module It is driven by SCAN method lt GC P L207 88 LED gt CONS A HEATER SHEET 2 DUCT DOOR UU R28 47 7K SW 3H4 P46 o CCIO I m D 4113 m gt P42 43 mo K gt 12 celle z Lu rh 104 5 6V 0 5W 777 P43 44 4 7K 6HI EXPRESS DIGITAL CONTROL FILTER STATUS DISPENSER FRZ BUTTON 15 ON FRZTEMP EXPRESSFRZ DISPENSER FREEZER REFRIGERATOR FILTER LOCK lt GC P L207 Bar LED gt Os UL HEATER EET DUCT DOOR 96 NA E CONIO 4 10 8 3 18
35. 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 fish for short periods For storing for a long periods 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 location f water is kept in the door rack please ask to keep it in the refrigerator compartment shelf It will then become cooler Ice cream softens Explain the characteristics of ice cream The freezing point of ice cream is below 15 C 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 particularly wet and easy to frozen such as bean curd and vegetables 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 bu
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37. HEATER SM DEF HEATER YL SB F DOOR OPEN PERCEPTION BN DEFROST SENSOR RD RD 80 80 WH WH RD YL BL BK 8 HEATER PLATE DISP F SENSOR ICE MAKER MOTOR e ICE MAKER BL N 80 FUSE MELTING rc BLWH BN BO BO TEST SW SAN ICE MAKER PART STOP SW SOLENOID DISPENSER RP GY ICE MAKER SENSOR o 1 o o MIRACLE ZONE MIRACLE ZONE DISPLAY HEATER CORD H BAR MIRACLE ZONE SENSOR UL DISPENSER LEVER S W BL WHN N BOJ 58 DISP LAMP WH N MIRACLE ZONE STEPPING MOTOR j F DOOR 2 ORD R DOOR noon ie PK BO EXDPKIBO HEATER SHEET MIRACLE ZONE DAMPER RD YL S F LAMP WH N YL STEPPING MOTOR AUGER MOTOR On R2 SENSOR
38. ICIO 9 16 7774 5 vL _ M COM R55 856 57 80 14 10 oe M UE SVP 8 T B pag 39 8 6 p37 2 v le n I3 GC P L207 Dot LED gt 010 __ 916 TA7774P rad 5 PL Y MICOM 2 0 seme AE 30K TIR STOP 8 m B p 39 8 6 10 p37 2 __3 5137 112 13 A7 EXPLATION FOR MICOM CIRCUIT For motor driving method rotation magnetism is formed at coils wound on each phase of motor and stator and so motor becomes to rotate if applying High signal to the 8 TA777AF at the PIN 33 and outputting High Low signal by step numbers fixed through MICOM PIN 34 and 35 Explanation For driving method of the stepping motor send signals in the cycle of 3 33 mSEC using terminal of MICOM PIN 33 34 and 35 as shown in wave form of the following part These signals are output to the output terminal No 10 11 14 15 via the input terminal No 3 6 8 of the IC10 TA7774F as IC for motor driving Output signals allow motor coils wound on each phase of stator to form rotation magnetic field and the motor to rotate Inputting as below figure to the input terminal INA INB as IC TA7774AF for motor driving allows motor coils wound on each phase of stator to form rotation magnetic field and the stepping motor damper to rotate CCW Reverse rotation dq gt Positive rotation CW
39. Insert tube to the mark and weld it 127 TROUBLE DIAGNOSIS Items Precautions 4 Vacuum degassing Evaporator Suction pipe gt Compressor Condenser Drier High pressure Blue Burn KEYPOINTING If power is applied during vacuum degassing vacuum degassing shall be more effective compressor Connect red hose to the high pressure side and blue hose to the while charging low pressure side refrigerant It is easier and more certain to do like Open D valves and evacuate for 40 minutes Close valve 7 this Pipe Connection Vacuum Sequence 5 Refrigerant charging Charging sequence 1 Check the amount of refrigerant supplied to each model after completing vacuum degassing 2 Evacuate bombe with a vacuum pump 3 Measure the amount of refrigerant charged Measure the weight of an evacuated bombe with an electronic scale Charge refrigerant into a bombe and measure the weight Calculate the weight of refrigerant charged into the bombe by subtracting the weight of an evacuated bombe Indicate the weight of KEYPOINTING an evacuated bombe Be sure to charge the refrigerant at around 25 C Be sure to keep 5g in the winer and 59 in summer Calculation of amount of refrigerant charged the amount of refrigerant charged a weight after charging a weight before chargin
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41. 56 6 0 C 10 0 C Reference temperature 1 66 1 8 2 0 5 1 8 66 2 5 6 KQ 1 0 2 7 3 3 3 kQ 1 5 3 9 kQ 6 0 4 C 2 2 0 Coolly 5 1 6 5 470 Q 2 5 Temperature compensation table by adjustment value difference value against current temperature Ex If changing compensation resistance at a cold storage room RCR1 from 10 current resistance to 18 modified resistance temperature at the cold storage will increase by 1 C Now 1 R J2 1 2kQ RCRI 5 6kQ want to compensate 2 C for Freezing room temperature and 2 C for Cold storage room temperature 8 1 12kQ 8 2 12kQ 5 5 6 gt 18kQ 53 EXPLATION FOR CIRCUIT gt Temperature compensation table at the cold storage room is as follows Modification a 4700 2kQ 3 380 5 680 8280 1080 1280 18kQ 3380 56 80 180kQ resistance No 05 C 1 C 1 5 2 C 2 5 3 C 3 5 4 C 45 C 5 C 470Q change Up Up Up Up Up Up Up Up Up Up 0 5 C No 05 C 1 C 15 2 C 2 5 3 C 3 5 4 C 4 5 2 Down change Up Up Up Up Up Up Up Up Up 1 0 5 C No 0 5 C 1 C 1 5 2 2 5 3 C 35 4 3 3 Down
42. 6631JA3004C No Holes Balance Conectoor W25 6631JA3004D Packing o23x3t 3920JA3001A 7 4932JA3003C Conversion Connector W28 6631JA3004E No Holes Balance Conector W28 6631JA3004F EX Packing 226x3t 3920JA3001C Connector MECH Pipe 4932JA3003D Conversion Connector 1 2 6631JA3004G No Holes Balance Conector 1 2 6631JA3004H Packing o19x3t 3920JA3001D 15 HOW TO INSTALL REFRIGERATOR 1 Connection of Pipe Connector and 8 Caution Feed pipe should be connected to cold water 1 Turn off main valve of water pipe line If it is connected to hot water line trouble 2 Disconnect water tap from piping by loosening nuts 3 Connect pipe connector A and to piping after sealing Please check rubber packing when connecting the pipe connector with sealing tapes feed pipe 4 Connect feed valve to pipe connector A 5 If there is only one tap water pipe connect pipe connector A only and install feed pipe Single Lever Type Faucet General Type general Single Lever Type Faucet one hole tech type and hand spray How to wind Sealing Tapes 2 Water Supply 1 After the installation of feed water plug the refrigerator 2 Check leakage at connecting part then arrange water to the earthered wall outlet press the water dispenser tube and locate the refrigerator at its regular place if button for 2 3 minutes and confirm th
43. 68 58 SOLENOID CUBE PR WH N SOLENOID VALVE RD T BN R1 SENSOR H BAR DOOR OPEN PERCEPTION BN HEATER SHEET DAMPER ICE WH N 8 DUCT DOOR JU PWB ASSEMBLY DISPLAY CON101 YL 10 BK BL PR WH CAPACITOR PART RUNNING CAPACITOR PK KWH BO BN STARTING eee ele 928 1 CAPACITOR RD AMBIENT SENSOR 5 6 6 5 30 WATER TAN SENSOR Ij OPTIONAL COMPRESSOR EARTH PART P T C ASSEMBLY BK YL SB BLACK YELLOW SKY BLUE BN GN PK BROWN GREEN PINK BO PR PURPLE GN YN BRIGHT ORANGE GREEN YELLOW GY GRAY WH WHITE BL WH BLUE WHITE RD RED WH BK WHITE BLACK RD WH RED WHITE 94 TROUBLE DIAGNOSIS 1 TROUBLE SHOOTING CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 1 Faulty start 1 No power on outlet 2 No power on cord Bad connection
44. 8 Sec DIP switch is on the main PWB 7 OFF ON ON 9 Sec 8 ON ON ON 10 Sec 3 If water supply quantity setting is changed while power is on water supplies for the amended time If DIP switch is changed during water supply water shall be supplied for the previous setting time But it will supply for the amended time from the next supply 4 When water supply signal is applied to water and ice valves at the same time during water supply water shall be supplied to water valve If water supply signal is applied to ice valve during water supply water shall be supplied to both water and ice valves 2 3 Ice Making Control Function 1 Ice making control is carried out from the completion of water supply to the completion of ice making in the cube mould Ice making sensor detects the temperature of cube mould and completes ice making ice making sensor is fixed below ice maker cube mould 2 Ice making control starts after completion of water supply control or initial control 3 It is judged that ice making is completed when ice making sensor temperature reaches at 8 C after 100 minutes when water is supplied to ice maker cube mould 4 It is judged that ice making is completed when ice maker sensor temperature reaches below 12 C after 20 minutes in condition 3 87 ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 2 4 Ice Ejection Control Function 1 This is to eject ice from ice maker cube mould
45. 88 LED gt P60 eH 16 2KF C 62 633 RI J2 CONS MICOM tee I Zu F SENSOR 223 uF 2 7 50V lt GC P L207 Bar LED gt 56 16 2KF in C8 m p R J2 CON6 P66 AINSI L x Le F SENSOR ju rie 17 GC P L207 Dot LED gt P60 Ik AINO RA T 1 16 2KF MICOM In C 8 2 CONG L ee T 2 F SENSOR 77 80 lt GC B C207 88 LED gt RI2 MICOM DIE RI JI P66 R27 026 a 22 DE 2 F SENSOR 80 2 77 lt GC B C207 Bar Dot LED gt P60 56 AINO C RFI 16 2KF 55 I F SENSOR AING L 2 FT 77 SOV 52 EXPLATION CIRCUIT 6 JUMP WIRE Freezing room Cold storage room Resistance value Temperature Resistance value Temperature Remarks 8 1 8 2 compensation RCR1 compensation 5 6 2 5 180 kQ 2 5 Warmly 6 5 1 KQ 4 56 2 0 compensate 6 3 3 33 1 5 56 2 4 KQ 2 16 1 0 6 1 2 1 C 12 0 5
46. CONDITIONS Bell sounds when button on Beep sounds when warning OFF MEASURING dosplay is pressed door opening POINTS 1 055 0 28 0 18 0 45 055 0 58 lt _ lt lt gt No 48 Pin V 5V 0v i T 0v i 5V 5V 51 2 63 kz DING 12 21 kz 12 63 kz OFF oy gt lt DL Door of Freezing Cold Storage Room IC1 MICOM No 47 46 Pin Closing 5 V 8 D S W at both ends are at Off status Opening 5 V D S W at both ends are at On status Since door switch sensing switch A B are a separate switch even if the door switch of the freezing room normally operates they may fail to sense door opening in the failure of switch at both ends of A and B or in failure of the L wire Lamp does at the cold storage room not turn on if the door switch of the cold storage room fails to sense the door open switch c d or the home bar switch 41 FOR MICOM CIRCUIT 1 5 Temperature sensing circuit lt GC L207 Bar LED gt B CONS pg 163 R32 4 ge I 066 RT SENSOR d 0 5 T 157 1 2 e AINI Lb uL 72 WT SENSOR hs d FH 50 f 3 RFI TI 6 2
47. Down change Up Up Up Up Up Up Up Up 1 5 1 C 0 5 0 5 1 1 5 2 C 2 5 3 C 3 5 5 6 kQ Down Down Down change Up Up Up Up Up Up Up 2 1 5 1 C 0 52 No 105 C 1 C 15 2 C 2 5 3 C Cold storage 8 2 Down Down Down Drop change Up Up Up Up Up Up room 2 5 C 2 1 5 1 C 0 5 C No 05 C 1 C 1 5 2 C 2 5 C RCR1 10kO Down Down Down Down Down change Up Up Up Up Up 3 C 2 5 2 C 1 5 1 C 0 5 C 0 5 1 1 5 2 C 12 Down Down Down Down Down Down change Up Up Up Up 35 C 3 C 25 9 2 C 1 5 1 05 0 5 1 C 1 5 18 Down Down Down Down Down Down Down change Up Up Up 4 3 5 3 25 C 2 C 1 5 1 C 0 5 No 0 5 C 1 C 33 kQ Down Down Down Down Down Down Down Down change Up Up 45 C 4 C 3 5 3 2 5 2 C 1 5 1 C 05 No 0 5 C 26 kQ Down Down Down Down Down Down Down Down Down change Up 5 C 4 5 4 C 35 C 3 C 2 5 C 2 C 1 5 1 0 5 No 160 kQ Down Down Down Down Down Down Down Down Down Down change This circuit is a circuit to enter the necessary level of temperature compensation for adjusting different temperature every model at the cold storage room into MICOM 54 EXPLATION MICOM CIRCUIT 2 Display Circuit lt GC P L207 gt EXPRESS cuse
48. INA INB gt 01 48 EXPLATION FOR CIRCUIT lt GC P L207 Bar LED gt 02 330 2 02 T FRIO7 637 E 4 7K LK 7 54 53 i Ver C FAN PWM 03 6 B mo 207 T 223 R39 KTC3ISB VEN 10K di R43 50 4 7K C FAN LOCK 9 CCI7 C 102 RAC 04 20 2 IMICOM lt 4 7K 848 m 8 T 2 R45 P53 52 AU ge 846 KTC3I98 VEN 10k 4 4 77 R49 R50 P50 49 x AK F FAN LOCK 0 ccige 102 lt GC P L207 Dot LED gt 39 2 kr CON7 02 P ER FRIO7 P 4 7K 2 4 frm 7 P54 53 RB C FAN PIM Lo R39 VEN Te Ik 8 AT R43 50 55 4 7K C FAN LOCK 9 CU 102 04 IMICOMI g 4 7K 848 Luis Lx fem t 2 R45 PS3 52 3K 05 o F FAN PWM 5 807 220 zu KTC3198 2EN 10K gt 777 R49 RSO P50 49 4 7K F FAN LOCK IO ccige 102 77 50 EXPLATION MICOM CIRCUIT 1 10 Temperature compensation and over cool weak cool compensation circuit 1 Temperature compensation at freezing room cold storage room lt GC P L207
49. Misshappen Burr Ice on the fan Air intake opposite to motor rubber assembly I Motor shaft Supporter disorted 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 104 TROUBLE DIAGNOSIS 9 Faulty internal voltage short Loosened by vibration 3 Bad lamp socket m Disconnection Bad soldering Bad rivet contact Short Water penetration Low water level in tray Bad elasticity of contact Bad contact corrosion 4 Door switch Its own defect Refrigerator and freezer switch is reversed Travlel distance Bad connection Bad terminal contact P U liquid leak 1 Lead wire is damaged Wire damage when assembling P T C 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
50. after ice making is completed 2 If Hall IC signal is on within 3 6 seconds after ice ejection motor rotates in normal direction it does not proceed ice ejection but waits If the ice bank is full ice ejection motor rotates in normal direction in every hour to check the condition of ice bank If the ice bank is not full the water supply control starts after completion of ice ejection control If the ice bank is full ice ejection motor rotates in reverse direction and sops under ice making or waiting conditions 3 If ice bank is not full ice ejection starts The cube mould tilts to the maximum and ice is separated from the mould and ice checking lever raises 4 Ice ejection motor stops for 1 second if Hall IC signal changes from OFF low to ON high after 3 6 seconds when ice ejection motor rotates in normal direction If there is no change in Hall IC signals within 1 minute after ice ejection motor operates ice ejection motor stops as ice ejection motor or hall IC is out of order 5 If ice ejection motor or Hall IC is abnormal ice ejection motor rotates in normal direction to exercise initial operation It resets the ice maker if ice ejection motor or Hall IC is normal 6 The mould stops for 1 second at maximum tilted conditions The mould returns to horizontal conditions as ice ejection motor rotates in reverse direction 8 When the mould becomes horizontal the cycle starts to repeat Water Supply gt Ice Making gt Ice Ejection g
51. and water supply can be checked by test switch When test function performs normally buzzer sounds and water supply shall carry out Check it for repair if buzzer does not sound 4 When water supply is completed the cycle operates normally as follows Ice making Ice ejection Returning to horizontal conditions Water supply 5 Remove ice from the ice maker cube mould and press test switch when ice maker cube mould is full of ice as ice ejection and water supply control do not work when cube mould is full of ice 2 6 Other functions relating to freezer compartment door opening 1 When freezer door is open ice dispenser stops in order to reduce noise and ice drop 2 When freezer door is open during ice ejection and cube mould returning to horizontal condition ice ejection and cube mould level return proceed 3 When freezer door is open geared motor and cube ice solenoid immediately stop and duct door solenoid stops after 5 seconds 4 Water dispenser stops in order to protect water drop when freezer door is open 5 Test function operates normally irrespect of refrigearator compartment door opening 89 ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 3 Ice Maker Troubleshooting Troubleshooting it is possible to confirm by pressing freezer and refrigerator temperature control buttons for more than 1 second ice maker is normal if all leds are on refer to trouble diagnposis function in MICOM function 2 8
52. applied or reapplied after power cut Medium is automatically selected 2 When the temperature selection switch in the freezer and refrigerator compartments is pressed the light is on in the following sequence Middle gt Middle Strong Strong gt Weak gt Middle Weak 3 The temperature setting condition of freezer and refrigerator compartments shall not be indicate in the standard model GC L207 when refrigerator or home bar door is closed 15 FUNCTION 2 2 Automatic ice maker The automatic ice maker can automatically make 8 pieces of ice cube at a time 80 pieces day But these quantities may be varied according to various conditions including how many times the refrigerator door opens and closes Ice making stops when the ice storage bin is full If you don t want to use automatic ice maker change the ice maker switch to ON OFF If you want to use automatic ice maker again change the switch to OFF ON NOTE It is normal that a noise is produced when ice made is dropped into the ice storage bin 2 3 When ice maker does not operate smoothly Ice is lumped together When is lumped together take the ice lumps out of the ice storage bin break them into small pieces and then place them into the ice storage bin again When the ice maker produces too small or lumped together ice the amount of water supplied to the ice maker need to adjusted Contact the service ce
53. between adapter and outlet faulty adapter Inner diameter of adapter The distance between holes The distance between terminals The thickness of terminal connection between plug and adapter faulty plug 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 LOLPisof Capacity of O L P is small Characteristics of O L P is bad Bad connection Poweris Inner Ni Cr wire blows out disconnected Bad internal 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 9 loose compressor Assembly is not possible Bad terminal connection Faulty PTC 4 During defrost automatic defrost Cycle was set at defrost when the refrigerator was produced m No power on r 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 Ch
54. fan motor Fanis constrained Small cooling air Insufficient discharge motor RPM Shorud and forei Fan shroud contact Clearance Damping evaporator contact Accumulated residual frost Fan overload Fan misuse Rated power misuse Low voltage Faulty fan Fan misuse shape Loose connection Not tightly connected Insert depth Bent gn materials on rotating parts 5 Compressor capacity Rating misuse Small capacity Low valtage 6 Refrigerant 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 m Foreign materials P U liquid dump jammed EPS water sediment Screw Failed sensor Position of sensor 7 Characteristics Bad characteristics of its own temperatue of damper Parts misuse Charge of temperature Impact characteristics 9 Food storing place Near the outlet of cooling air Bad low termperature RPM characteristics Check visually after disassembly E Check visually after disassembly 101 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 4 Warm 1 Colgged coolin
55. frost removal 8 If pressing Express freezing button during frost removal the Express freezing LED is turned on but if pressing the Express freezing compressor operates after the remaining time has passed 9 If selection Express freezing within 7 minutes delay for 7 minutes of compressor after the compressor stops compressor operates after the remaining time has passed 10 The freezing room fan motor operates at the high speed of RPM during operation of Express freezing 24 FUNCTION 2 5 Control of variable type of freezing room fan 1 To increase cooling speed and load response speed MICOM variably controls freezing room fan motor at the high speed of RPM and standard RPM 2 MICOM only operates in the input of initial power or special freezing operation or load response operation for the high speed of RPM and operates in the standard RPM in other general operation 3 If opening doors of freezing cold storage room home bar while fan motor in the freezing room operates the freezing room fan motor normally operates If being operated in the high speed of RPM it converts operation to the standard RPM However if opening doors of freezing room or home bar the freezing room fan motor stops 4 As for monitoring of BLDC fan motor error in the freezing room MICOM immediately stops the fan motor by determining that the BLDC fan motor is locked or poor if there would be position signal for more than 65 seco
56. in it will spill Collect the spilt water and throw away into the sink 5 When ice tray has finished rotation water comes out from the water tube Confirm the amounts of water in the ice tray refer to fig The optimum amount of water is 110cc Confirm the amount of water T Too much Optimum level J Too little 2 It is acceptable if the adjusted level of water is a bit smaller than optimum level 19 HOW INSTALL REFRIGERATOR 3 2 Control the amount of water supplied to the icemaker Caution Please unplug the power cord from the wall outlet and wait for more than three minutes before disconnecting PWB cover as 310V is applied in the control panel Driver 1 Disconnect PWB cover from the upper part of the refrigerator 2 Adjust the amount of water supplied by using DIP switch Water Supplying Time Control Option TYPE 3 Dot LED TYPE 2 Bar LED TYPE 1 88 LED REMARKS DIP SWITCH SETTING WATER DIP SWITCH SETTING WATER The quantity of water 1 2 SUPPLY TIME S2 S3 SUPPLY TIME supplied depends on DIP switch setting conditions and water pressure as it 5 5 SEC 5 5 SEC is a direct tap water 7 5 SEC 6 SEC connection type the water supplied is generally 80 cc to 120 cc 6 5 SEC 6 5 SEC 8 5 SEC 7 SEC 7 5 SEC DIP switch is on the main 8 SEC PWB 9 SEC 10 SEC
57. motor to rotate an ice tray and ice dropping and hitting ice bank sounds are also heard Noise when supplying water 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 compartment 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 ice making in a dispenser When ice cube button is pressed ice stored in the ice bank is moved by a Helix Pusher and dispensed If crushed ice button is pressed the cube ice is crushed When this happens ice crushing and hitting ice bank sounds are heard 132 TROUBLE DIAGNOSIS 4 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
58. pipe 3 Faulty parts Transformer Coil contacts cover Welded terminal parts contact cover Bad sealing Sheath heater Compressor Bad coil insulation Plate heater Melting fuse Sealing is broken Moisture penetration Cord heater ER Pipe damaged Moisture penetration CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 8 Faulty lamp 1 Lamp problem Filament blows out freezer and Glass is broken refrigerator 2 Bad lamp assembly Not inserted compartment E Connect conduction and non conduction parts and check with tester Conduction NG Resistance OK 105 TROUBLE DIAGNOSIS Food Storage Seal condition Long term storage Store special odorous food Others Odors from chemical procucts CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 10 Structure 1 Door foam appearance m Sag r Weak torque of Bolt is loosened during and others hinge connection transportaion 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 and not enough quantity Malfunction Not closed
59. sensing circuit GC L207 Bar LED gt Fas CONG p47 48 RS 5 le F DOOR S W CI 5 77 CON7 H BAR DOOR S W 47 gt 53 3 cuc X R DOOR S W 4 1 77 25 EXPLATION FOR CIRCUIT 3 Door opening sensing circuit lt GC B C207 88 LED gt 2 en CONS ce 1 2 F DOOR S W E MICOM t ce L j R DOOR S W lt GC B C207 Bar Dot LED gt F 5 Rn L 2 9 F DOOR S W Bt gt f ae D H BAR DOOR S W pag 7 BT is 3 MICOM er 3 DEED ren GC P L207 88 LED gt Le 1 CONG CE L 6 F DOOR S W MICOM 5 CON7 H BAR DOOR S W pag 45 FSI 3 L i l R DOOR S W lt GC P L207 Bar LED gt CONG p47 48 R5 2 5 1 H F DOOR S W Le MICOM D HWBAR DOOR S W 1 2 R DOOR S W 27T 14 10 lt GC P L207 Dot LED gt me CON6 P47 ce I 2 2 F DOOR S W MICOM D H BAR DOOR S W pag 47 is oco L x D R DOOR S W 77 8 40 EXPLATION MICOM CIRCUIT
60. the guide line and the loosening indication line After installing water filter Reassemble the lamp cover and the top shelf of the refrigerator To place the top shelf of the refrigerator raise the front part of the shelf a bit so that the hook of the shelf is fit into the groove In order to clean the water filter system drain water for about 3 min Note Then open the door of the refrigerator and check for water droppings on the shelf under the filter 18 HOW TO INSTALL REFRIGERATOR 3 How to Control the Amount of Water Supplied to Icemaker 3 1 Confirm the amount of water supplied to the icemaker 1 Lift and pull out the space plus in the upper part of the freezer compartment 2 Pull out the ice bank in the upper part of the freezer compartment Caution Do not put hands or tools into the chute to confirm the operation of geared motor it may damage refrigerator or hurt hands Check the operation of motor with its operation noise 2 Apply electricity after connecting water pipe 1 Press test switch under the icemaker for two seconds as shown below 2 The bell rings ding dong and ice tray rotates and water comes out from the icemaker water tube 3 The water shall be supplied two or three times into the tray The amount of water supplied for each time is small Put a water container under the ice tray and press test switch 4 When ice tray rotates the water
61. the same time for more than 1 second when freezer fan is in operation and returns to the previous rpm 2 15 Functions of Ice Dispenser and Water Dispenser 1 Ice and cold water are available without opening refrigerator door 2 The desired ice crushed or cube or cold water are dispensed when dispenser press button rubber button is pressed after selection of ice or cold water When ice is selected duct door opens by electric solenoid when dispenser press switch is pressed When dispenser press switch is released duct door closes after it opens for 5 seconds 3 Ice and water dispensing function stops when freezer door is open 4 Geared motor and solenoid are automatically off if there is no signal after 3 minutes when ice crushed and cube or water is selected and dispenser switch is pressed down Solenoid duct door stops after 5 seconds when solenoid is off in order to protect short circuit from solenoid heat generation 5 Dispenser Lamp On Off Function The dispenser lamp shall be on or off whenever dispenser button is pressed or released respectively after selection of ice crushed or cube or water 6 Water Crushed Ice Cube Ice Selection function 1 It is to select water crushed ice cube ice by user from the function control part and it will be indicated and selected by pressing button 2 Crushed ice is automatically selected when power is initially on 3 When crushed ice is selected and its button is pressed geared motor o
62. uonoeuuoo peg Ae ds p 8 4 peg senseo N 5 29 wojdu s sw9 qoid 6 6 119 TROUBLE DIAGNOSIS uonounj sisouBeip suonounj 9 9 04 sisouBeip SWEN jsoJjep 4 e S Jeuuou 1 e eui 8 UIEN JO e pue 159 BuisseJd ui 48299 pue amod 992994 Joop 931099 ueewjeq a nseayy yms JOOP 8JIM 4159 no SI pee 12euuooeH 9 pee UE 492994 Buisnou 10sues Buisnou Josues ul JOSUGS JO 40109 BU uiuo JoOsuas 48110 404 peinisqns SI JOSues 19799 Una 408 68 JO 9145 sonsuejoeJeuo eouelsisoJ Josues 491593 Josues syed 10sues 08098 0 19 H 492984 482994 10 e2uejsiseJ 9 48289844 482994 eAnoejeq uoneue dxe
63. valve work normally s the water supply line normally connected Normal 90 ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 4 Ice Maker Circuits lt GC P L207 88 LED gt lt GC P L207 Bar LED gt MICOM 91 RR CONS RIMI P64 60 1 16 2KF 2 EN 223 we 107 2 17 REO 50 2K P40 4 1 3 24 L a 23 T 4 77 Rel le AK 5 ce 23 6 E 2 pa 2 5 ix CC26 L x X IC 23 T gt 77 H 8 718 gt Td P 39 Foward 5 9 p37 40 Reverse 8 R67 68 2N Ul BA6222 223 100V CC27 3 2 10 2 cag L 9 223 To 223 T 777 HE P64 60 R58 gt AND 23 L 223 T E T 77 REO 80 44 45 Awe 3 26 L 223 4 777 R6ls p4 12 862 4 7K 25 L x 23 T 4 777 Rede PH 2 die 46 R63 ix 7 3 HALL 25 L x _ ioe IC 23 T 5 77 7 8 CEIS 8 7 100 R65 R66 P42 43 5i In Fowrd 5 10 2 44 Rever
64. 1 725 1133 5 Le lt Plane View gt PARTS IDENTIFICATION 4 Ref No GC L207 External Filter Cover Hinge Cover PWB Frame Display Water Tube Ice amp Water Dispenser Button Dispenser Lamp Refrigerator compartment compartment Freezer Milk product corner Space plus RTE Lamp 2 Shelf Door rack Door fack Automatic 1piece en Wine holder Lamp wire Shelf Shelf Normal Shelf steel or glass Edd box Door rack 1piece Door rack Vegetable drawer Shelf Drawer Door rack Humidity switch Miracle Zone Door rack Fresh compartment Lower cover z Conversion switch 11 HOW TO INSTALL REFRIGERATOR 1 How to Adjust Door Height of Refrigerator Make the refrigerator level first If the refrigerator is not installed on the flat floor the height of freezer and refrigerator door may not be the same 1 If the height of freezer door is lower than that of 2 If the height of freezer door is higher than that of refrigerator compartment refrigerator compartment Height difference Height difference Left height adjustment screw Height difference Height difference Right height adjustment screw Insert a driver into the groove of adjusting screw Insert a driver into the groove of ad
65. 10198 UU09 JO SI god Ae ds p pue pue pue uen Bunoeuuoo Aejdsip pue Aejdsip pee 12euuo28H 9JIM pee uonoeuuoo peg euuougy Jesuedsip yo S 01 sued suid pue Z ON HLS J Y09949 HIS 49159 2 euiuuo JNO JUIN SI esnj esnj 91119818 U esnj Y29949 5 8 911981 god uoneuej dxe ur 945 9119818 4101510694 9 9 ye 908 2182 2101510894 eAnooejeq syed noo 9119818 8 49 899 Jesuedsip god 10 n9 si sued SI 85 5151984 JJ 49159 e 1ndino pue indui no esnj o ajqealddy sueJ god sueJ Jo eouejsisaJ 99 sues 9 Sue god 824 Aejdsip pue 40399 09 uonoeuuoo uorpeuuoo ueewjeq SQq31 9119918 joeuuo28H 10 98UU09 uo 9 3 ENSIA J0joeuuoo peg
66. 54 12VDC IA OON dU 2 6220400024 RELAY ALDII2 MATSUSHITA 250VAC I2VDC_IA NO VENTING MATSUSHITA RYIOIPILOT 6920820034 RELAY OMRON Z50VAC 1 5 12 00 IA OMRON zg 62090002 RELAY ALDII2 MATSUSHITA 250VAC IA NO VENTING MATSUSHITA RYIAIDISP LANE 6920820034 RELAY OMRON 250VAC 1 5 12 00 IA OMRON 6904 00 RELAY ALZI2BI2 NAIS 250VAC 6 IC NO VENTING MIS 5 3 67208208 RELAY GESB 14 OMRON 250VAC 5A 12 00 IC NO VENTING OMRON RYI2 H BAR 6920 820008 RELAY GSSB 14 ONRON 250VAC 5A 12VDC IC NO VENTING ORON B 228008 RESONATOR CERAMIC 5190400103 MURATA MZ TP MURATA 050 6102JB8001A VARISTOR SYCH2ID 14A UL DE BK 620V SAW WHA IL JN VA 0 80 VARISTOR SVCZTID 14A SAMNHA UL VDE BK 270V SAW WHA IL JIN VA OORIOZOOSAA DIODE RECTIFIERS 07 TP DELTA 0041 I000V DELTA D1 2 12 13 14 15 37 ODRGAO0090A DIODE RECTIFIERS RL3 SANKEN NON 350V 3 54 80A SONSEC 0 IMA SANKEN 03 010009 DIODE RECTIFIERS SANKEN NON 350V 3 5 80 SOAGEC 0 IMA SANKEN D4 39 00836000014 DIODE RECTIFIERS 0558460 BK SHINDENGEN 600V 4A SHINDENGEN 80 40 00040040944 DIODE RECTIFIERS 004 PYUNG CHANG TP26 0041 400V IA 7515 SUA DELTA PYUNGCHANG 9 4 DIODE RECTIFIERS N4007 MOTOROLA TP 0041 600V 1 54 736 100 DELTA PYUNGCHANG 00 42 00041480988 DIODE SWITCHING 148 TP ROM 0035 75V 450ML ROHN PYUNCHANG 43 OCE476ZVGE0 CAPACITOR FIXED ELECTROLYTIC
67. BON FILM OEM V4 W TAS 9 0046 R26 36 42 49 51 59 60 62 02 0946226409 RESISTOR FIXED METAL FILM 5 2 1 4 W 1 00 52 00185 3 08249 RESISTOR FIXED METAL FILM OFM 1 4 W 1 00 12 SMART CHOHYANG ROI ARZ 04 0906409 RESISTOR FIXED METAL FILM 88 1 4 11 007 TE SMART CHOHYANG R2 5 0 2 0045 RESISTOR FIXED FILM 2 4K 08 174 W 1 00 2 988 0086 3 6 100549 RESISTOR FIXED METAL FILM OFM 174 W 1 00 SMART ONANG Al 07 090 0869 RESISTOR FIXED CARBON FILM 1 2K OHM 1 4 W 5 TIE SMART CHOHYANG 8 00706609 RESISTOR FIXED CARBON FILM 1 2K OM 1 4 W 5 TIE SMART CHOHYANG 8 7 9 08600008 RANSISTOR BIPOLARS KEC KTBIIS 10125 60V KEC 02 4 083909 STOR KTC3ISB TP Y_IKTCIBISIKEC KEC 035 I 0 10 009 RANSISTOR KRA IOGMIKRA22061 KEC TP TOS2M 50V 008 KEC 2 OTRIOGOOSAF TRANSISTOR TOS2M 50 100MA 07 3 608800 FILTERICICI BFS35I0AO SAMIHA 52 SAW WHA FB 4 GE00RRTOOIM SWITCH TACT POSTECH 12V OC SOMA TAPING POSTECH 9 5 6 008008 SWITCH DIP KSDOZH OTAX NONE NONE 2P DIP S N OTAX 9p 6 6854850001 WEE 0 6 75 100 125 TP TAPING SN DAE A LEID 014 6 5 3 34 4 7 685485000 WIRE 0 6 75 100 25 50M TAPING SN LEAD P 8 624000 WIRE 0 6 75 100 125 TAPING SN DAE A LEAD 9 6854850001 WIRE 0 68 75 100 25 TAPING SN DIE
68. ER SWITCH FUNNEL DECO FRAME DISPLAY SOLENOID ASSEMBLY SPRING HOLDER LEVER CAP DUCT ASSEMBLY DUCT DOOR ASSEMBLY LEVER DISPENSER RUBBER CAP BUTTON ASSEMBLY BUTTON HOLDER BUTTON DECO DRAIN EXPLODED VIEW FREEZER DOOR PART 92 EXPLODED VIEW REFRIGERATOR DOOR PART 94 EXPLODED VIEW FREEZER COMPARTMENT 95 EXPLODED VIEW REFRIGERATOR COMPARTMENT 96 EXPLODED VIEW ICE amp WATER PART 97 EXPLODED VIEW MACHINE COMPARTMENT Se MON lt 98 EXPLODED VIEW DISPENSER PART 99 LG Electronics
69. EXE REFRIGERATOR CAUTION PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BOOK BEFORE CHECKING OR OPERATING THE REFRIGERATOR Model GR L196TLQA CPLQGSF Color Platinum Silver CONTENTS WARNINGS AND PRECAUTIONS FOR SAFETY uussussnssnnsansunnnunnennnansnnnnunnunnunnnunnnunnnnnnnnnunnnunnnunsunnuunnnnnnnnsnnnnunnnannunnnnnnnnnnnnnn 3 SPECIFICATIONS 4 PARTS IDENTIFICATION m P 8 HOW TO INSTALL THE REFRIGERATOR uuusuusussansansunnnunnunnnunnnnnnunnnannunnnnnnunnnunnunnnnnnunnnnnnnnnnunnunnnunnnunnnnnnunnnannunnnnnnnnnnannnnnn 14 HOW TO ADJUST DOOR HEIGHT OF THE ana 14 HOW EO INSTAEE WATER oes eC 15 HOW TO CONTROL THE AMOUNT OF WATER SUPPLIED TO THE ICEMAKER 19 FUNCTION eem 21 EXPLATION FOR 2 1 21 31 EXPLANATION FOR PWB CIRCUIT 22 A ec eee 31 COMPENSATION CIRCUIT FOR WEAK COLD OVER COLD AT FREEZING ROOM sene 60 PWB PARTS DRAWING AND LIST tlt 61 PWB GIRGUIT DIAGRAM eO 76 ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR uusuusnsssnssnnunnsunnunnsunnunnnunnnannunnnnnnunnnnnnunnnunnnnn
70. FIXED FILM 5 630V J WPE R IL OB 0002231409 CAPACITOR FIXED FILM 0 022 UF D 100V J PE TP SAMIR 0 67 862386 RESISTOR FIXED POWER COATED WIRE WOUND OH 1512 SMART CHOAYANG 000267 RESISTOR FIXED CARBON FILM SEK 172 W 5 17 2 20261 RESISTOR FIXED METAL OXIDE FILM ON 2 W 5 007 F20 SUR 3 7 00806 RESISTOR FIXED CARBON FILM 6 8 08 1 4 W 5 00 82 MART ONANG M 11 000822609 RESISTOR FIXED CARBON FILM 8 OEM 1 4 W 5 00 1152 SORT 5 72 000008 RESISTOR FIXED CARBON FILM 0 OHM 1 4 W 5 007 62 SMART ONANG 0068008509 RESISTOR FIXED CARBON FILM 680 OM 174 W 5 007 Ro 080060 RESISTOR FIXED POWER COATED WIRE WOUND OIL 5 2 0 16 SMART CHOHVANG 089087 RESISTOR FIXED POWER COATED WIRE WOLND 0 56 OFM W 5 NON INICTIEI 9 0085 008059 RESISTOR FIXED CARBON FILM 174 W 5 02 TIE ONANG 8 02251 RESISTOR FIXED METAL OXIDE FILM 2 Y 5 007 F20 SMART CHOHYANG RD 00687609 RESISTOR FIXED CARBON FILM 68 172 W 5 00 1152 SMART CHOHYANG 77 0800000009 RESISTOR FIXED CARBON FILM 00 08 48 5 98 0086 122 e 0800020009 RESISTOR FINED CARBON FILM OK OEM 1 4 W 2 98 0085 8 5 at 0801706609 RESISTOR FIXED CARBON FILM 08 VA W 52 SMART CHOHYANG 3 5 5 8 85 000088 RESISTOR FIXED CARBON FILM 360 88 V2 W 5 82 98 0086 233
71. IGH DIELECTRIC 2012 50V 80 20 TP FIYSVI MURATA 04 6 8 9 30 OCK2230K96A CAPACITOR FIXED CERAMIC HIGH DIELECTRIC 2 200 50V 80 20 R TP XIR MURATA 0C7 10 12 16 18 20 28 OCK2230K96A CAPACITOR FIXED CERAMIC HIGH DIELECTRIC 2 2012 50V 80 20 R TP XR MURATA C32 68 EXPLATION MICOM CIRCUIT lt GC P L207 Bar LED gt e PA PE 04 02 68 CAPACITOR FIXED CERAMIC HIGH DIELECTRIC WF 202 50V BO 207 R TP XR RAT 607 9 3 6000223909 CAPACITOR FIXED CERAMIC HIGH DIELECTRIC 2 SW Z F TIE TE YANG 29 63 002487 CAPACITOR FIXED FILM 0 2 82 20 WPP PILKOR W 8 0223408870 CAPACITOR FIXED FILM BOF 0 275 20 BULK WFP NI PILKOR amp 00473730 CAPACITOR
72. IND Wee MOUS 50 19 59 JO eouejsisel eui 1 9 SI 8 09 pes ye c SI 49 99 9 2 40 404 9 si DuneeH 1 peuous SI ey no SI ou se jeou ejeJeuob jou seop 491598 5941589 1 582993 sesne9 6 111 TROUBLE DIAGNOSIS QUO y pue sued ay sued y sued pejquesse ejquesseel pue Jo 40 39 09 9 49 895 941 YE SOWWJ9U JOOUUODSIP Ul pequosep sued eu 2 JOjeou ureeus ou uo Ind jou oq 4ejeeu eu uo 159 pue uonoeuuoo y 4oeuo eu ui sued joeuuoosiq 2 MO S ue JO OUJ JEU 9 uedo uo un pue Jo O U uoriesul 40139 09
73. 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 rr Temperature of High Faulty damper control refrigerator Button is set at weak compartment Door is open interference by food Deodorizer deodorizer Poor capacity 106 TROUBLE DIAGNOSIS Seinpeooud 45094 pue euo Mau 9204 9154900 JON sued 49 10 9 99154990 08 4900 pejoe1uoo SI J SE UOOS se SUIS dlo m BuipuiM spam Are l xny 8910 4098840 100 4amod Ajdde sued Ajqwasse 2 04 SI JOSSAIGWIOD syed 49 80 Y92949 ewou SI 3 91 8 130 SI eyeJjedo QUO MOU SI ee ene A jou seop y 09e de1 20 1515 994 159 OY 39 AjneJ SyJeuloH senseo N 5 59 9501914044 1ossa1dui09 72 2 jue eJd pue esneo
74. Jesuepuoo eoueJeylip einsseJd au Aq 99010 Jojejnuunooe sessed ueuw sueddeu punos Buimoy Jo Buipioq saye M 99 43 jo sejdiouud eu urejdx3 4099910 03 eu ui uoejep Jo 99610 eqn 8 ou 51 199 eqni 48 1055 pue snonumuoo s JI JeurejsoJ pue sjuiof eqni Arejjldeo pue JoyeJodeAe y UO eui YOOUD Suro aqny pue Joyesodens y uo BY peoJo Jaye uonejedo sues eu punos y 39 085 15 1 enlu ay ye Jo punos eu san Arejl des jo pue eu ye spuedxe 1 punos Buko se owes OU 1S0U 6 Building 05 5941589 1 582993 sesne9 5 19 0441 117 TROUBLE DIAGNOSIS uondo 1jezuopoeq sjueJopoep pue eoe d pue AUIUS eui U u y pue Jezuopoep eu 9000 Jezuopoep eui 9 Jezuopoep ezuopoep
75. Ringing of compulsory operation compulsory frost removal buzzer 1 If pressing the test button in the PCB Phi sound rings 2 In selecting compulsory operation alarm sound is repeated and completed in the cycle of On for 0 2 second and Off for 1 8 second three times 3 In selecting compulsory frost removal alarm sound is repeated and completed in the cycle of On for 0 2 second Off for 0 2 second On for 0 2 second and Off for 1 4 second three times 25 MICOM FUNCTION 2 10 Frost removal function 1 Frost removal is performed whenever total operation time of compressor becomes 7 7 5 hour 2 In providing initial power or returning power failure frost removal starts whenever total operation time of compressor becomes 4 4 5 hour 3 Frost removal is completed if temperature of a frost removal sensor becomes more than 5 C after starting frost removal Poor frost removal is not displaced if it does not arrive at 5 C even if two hours have passed after starting frost removal 4 No removal is done if frost removal sensor becomes poor snapping or short circuit 2 11 Sequential operation of built in product Built in products such as compressor frost removal heater freezing room fan Cooling Fan and step motor damper are sequentially operated as follows for preventing noise and part damage occurred due to simultaneous operation of a lot of parts in applying initial power and completing test
76. SE 5 FAILED DEFROSTING O O O O SHORT CIRCUIT UNPLUGGED CONNECTOR STANDARD RPM INDICATED 4 HOUR LATER AFTER TROUBLE MOTOR DEFECT HOOKED LEAD WIRE TO 6 ABNORMAL FREEZING BLDC MOTOR O lt FAN CONTACT OF STRUCTURES WITH FAN OFF SHORT OR OPEN OF LEAD WIRE THERE IS NO SIGNAL OF BLDC MOTOR MORE THAN 65 SECONDS IN OPERATION OF FAN ABNORMAL COOLING BLDC MOTOR e e STANDARD RPM OFF 7 MOTOR ABNORMAL AMBIENT SENSOR NORMAL DISPLAY AMBIENT SENSOR SHORT CIRCUIT 8 NOTE 1 AL DISPLAY 9 ABNORMALICE MAKER sensor NORM ICE MAKER SENSOR SHORT CIRCUIT 1 FAULTY ICE MAKER UNIT MOTOR OR 10 ABNORMAL ICE MAKER UNIT LEAD WIRE SHORT CIRCUIT FAULTY MOTOR DRIVING CIRCUIT 11 ABNORMAL W T SENSOR NORMAL DISPLAY WATER TANK SENSOR SHORT CIRCUIT O O 28 FUNCTION Note1 In error of outside sensor setting temperature for freezing cold storage is normally displayed and indicated Er on the outside temperature display part normally displayed except for the outside temperature display part Note2 Nonconforming contents of poor R2 sensor ice making sensor and ice making kit are displayed in LED check not indicated on the failure display part when pressing freezing temperature adjustment button and special freezing button for a second or more R2 SENSOR MIDDLE ROOM
77. TOSHIBA CI 3 C PONER MANAGEMENT STR G63 IL SANKEN SPIN 10220 ST SNPS CHIP SANKEN 2 4 OIPMGNEOOIA C PONER MANAGEMENT 5256 NEC 0 BK TLP762F NEC 3 8 5 OKE43I000A 1 0 KIA43I 3 PIN TP KEC C4 6 C LINEAR KEC 5 7 C KEC 003 I650P BK 7 DRIVER KEC 06 7 010 0420 C KEC KIA7O42P KEC 3P BK RESET KEC 3 9 OITO777400A C DRAWING TATTI4AP 16 SDIP BK DRE IC STEPPING MOTOR TOSHIBA 0 20 OIRHG22200 C ROM BA6222 BK REVERSIBLE MOTOR DRIVER ROM 1 2 0159316000 C ROHM BROALCAGRF N SOP EEPROM ROM 2 OISTLMOOIA C STANDARD LOGIC MITSUBISHI 20 R TP CONVER WISUBISH 3 23 _ 0 0 C KEC KIDGS003AF 5 BK 7CH DRIVER KEC CM 6320000001 RELAY MATSUSHITA 250VAC IGA 12VDC IA NO VENTING MASUSHITA 24 6920 820058 RELAY G5JS IA NT OMRON 250VAC 16A IA NO VENTING ORON RYI 4 6 6920 B2005C RELAY II DEC 250VAC VENTING DAIICHI 5 6920820040 RELAY DHI2DI 0 Q JAPAN DEC 250VAC IA NO VENTING DAIICHI 69200000014 RELAY ALEISBI2 MATSUSHITA 250VAC 16A 12VOC NO VENTING MASUSHITA 6082008 RELAY 65J5 IA NT OMRON 250VAC IGA 12 00 IA VENTING ORON RYZ EXPORT 638700 RELAY DHIU DEC 250VAC 16A 12VDC VENTING DAIICHI 7 6320900024 RELAY ALDII2 MATSUSHITA 250VAC I2VDC_IA NO VENTING MATSUSHITA 837 80 6920820034 RELAY GEN 1A OMRON 250VAC 1
78. This mixed air shall be compressed and increase the internal pressure when door is closed This causes the door sticked closely to the refrigerator in a moment If the refrigerator is used for a long time it will then open smoothly W When the refrigerator compartment door is open and close the freezer compartment door moves up and down When the refrigerator compartment door is open and close 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 rubber so that it is ok if door is securely closed without a gap It can be open easily if the foods in the refrigerator or freezer compartments hold the door open door does not close properly f the rear side of the refrigerator is raised higher than front side door shall not be easily closed Adjust the level of refrigerator with levelling screws 135 HOW DISASSEMBLE AND ASSEMBLE 1 DOOR 1 Remove lower cover and remove clip then disconnect water supply tube in the lower part of freezer door Pull a water supply tube forward while pressing 1 part to disconnect water supply tube as shown below Y mm 4 u 2 Remove a freezer door 1 Loosen hinge cover screw of freezer door and remove cover Disconnect all connecting lines except earthing cord Cover Hinge 2 Line Earthing Cord 2 hinge lever in arro
79. ance with the standard installation procedure Leave space of more than 5 cm from the wall for compressor compartment cooling fan mounted model 125 TROUBLE DIAGNOSIS 3 3 Precautions During Heavy Repair Items Precautions 1 Use of tools 1 Use special parts and tools for R134a 2 Removal of retained refrigerant 1 Remove retained refrigerant more than 5 minutes after turning off a refrigerator If not oil will leak inside 2 Remove retained refrigerant by cutting first high pressure side drier part with a nipper and then cut low pressure side If the order is not observed leak will happen Evaporator Compressor Low pressure side Condenser d 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 Weld under nitrogen atmosphere in order to prevent oxidation inside a pipe Nitrogen pressure 0 1 0 2 kg cm 5 Others 1 Nitrogen or refrigerant R134a only should be used when cleaning inside of cycle pipes inside and sealing 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 126 TROUBLE DIAGNOSIS 3 4 Practical Work For Heavy Repair Items Precautions 1 Removal of resid
80. artment There is 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 happens when the compressor compresses the refrigerant The compressor rotates at 3600RPM The sound of compressor operation becomes louder as the refrigerator capacity increases Click sounds 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 3600RPM This sound is caused by the vibration of motor and piston when they start and finish their operation This phenomena can be compared with that of cars When the car engine ignites and starts to rotate the loud sound becomes gradually quiet When the engine stops it stops with vibration Vibration sound Check the sound whether it comes from the pipes vibration and friction Insert rubber or leave a space between pipes to avoid the noise Fix the fan blade if the noise is due to th
81. at the water there is no leaking comes out Water Tube Water Tube Nut 16 HOW TO INSTALL REFRIGERATOR 3 When customer uses bottled water customer wants to use bottled water extra pump should be installed as shown below 1 The pump system should not be on the floor it may cause noise and vibration Securely fasten the inlet and outlet nuts of pump 2 If there is any leakage after installation cut the water tube at right angle and reassemble 3 When put the water tube end into the bottle leave a clearance between bottle bottom and water tube end 4 Check water coming out and any leakage Caution If feed tube is more than 4m less water will come out due to pressure drops Use standard feed tube to prevent leaking Outternal Filter 1 Filter Fixation 1 There are two types of filter One is nut type and the other is connector type 2 Connect feed tube to the filter outlet and water valve connecting tube 3 Fix the filter at proper place around the sink where it is easy to replace the filter and to receive the cleaning water Please consider the length of tube shall be less than 8m when locating filter Nut Nut Connector Type Nut Type Inlet Outlet 2 Filter Cleaning 1 Connect feed tube to the inlet of feed valve and filter 2 Clean the main valve and feed valve with water for at least one minute until clean water comes out Filter Inlet Feed Valve
82. ch 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 pipe from cracking 3 sealed parts Confirm Na Confirm air leaking To protect In case of evaporator parts if it doesn t leak sounds when moisture noise when removing rubber cap blow removing rubber penetration dry air or 2 gas for more than 1 min cap 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 Vaccum efficiency can be improved by Pressure sides are operating compressor during evacuation evacuated at the same time for models above 200 Vacuum EA Use R134a To protect The rubber 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 weight the refrigerant at too hot or exclusively with R12 too cold an area 25 C is adequate Weighing refr
83. did eu ui esiou seonpel guos puey 2 pobe pue Aou yeas pue 49 4 2 2 1 dup pue Jesuepuoo 1e 06 eu 9 dup Y29949 Tt 1072106191 eui U se L y jueun1deduuoo ui punos uey pue 49 4 9 P S 10 0UJ 9 sejnonujs eoueJepelul eu CE eDeuep pue uidep 492994 y ui punos punos jo 72992 8499 JO sedid z sedid ul suonipuoo Jeqqni 429u2 2 2 4948 pue 1055 y pejoeuuoo sedid jo jene eu 2840 L Z 1088940 09 pejoeuuoo SI YOIUM punos jeuosei sedid 72 pue suonipuoo yeas Jeqgnu 2995 eu JO eu 2999 uonejedo JosseJduuoo jo punos pno punos ZzIuM 594 599 1 5 39 sesne9 punos 7 2 115 TROUBLE DIAGNOSIS
84. e 10ms Reset terminal during general operation is 5V No MICOM operates in failure of RESET IC lt GC L207 Bar LED gt 3 28 KIA7042 3 RESET CC8 22 104 04 5 m 77 24 EXPLATION FOR MICOM CIRCUIT 2 Dispenser operation circuit lt GC L207 Bar LED gt CON3 r 69a 6 KID65003AF LS 0008 SWITCH M 9 I 8 6 P5 AINIS AUGER MOTOR F LANP Dre 06 4 4 7 amp DISPENSER SOLENO LEVER S N CUBE J 0 ol 1 e 82 n m Ls o omr 16 61 8 PH Ihm ALDII2 rR 1 3 d WATER dJ 4 ox 2 9 hw iii Cl ity 8 14225 s 77 SOLENOID VAVE 0 CON4 gt 8800 ae B 424 02 7 r 6558 14 4 2 5 2 H BAR HEATER 5 ox OPTION 2 1 DISP LAM 6 B 3 mH x 04 21 1 reset RO 4 RI is B 560 21 Ai 00 com L 13 108 23T 00 762 Ar IN4007 4148 m 3 Door opening
85. e collision of fan and 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 Please adjust the level of the refrigerator 131 TROUBLE DIAGNOSIS Problems Checks and Measures Sounds of water flowing B 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 characteriistics 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 ice maker operation applicable to model with ice maker Noise produced by ice dropping and hitting ice bank Noise from motor sounds Whizz Explain the procedure and principles of ice maker operation e Automatic ice maker repeats the cycle of water supplying gt icemaking ice ejection When water is supplied the water supply valve in the machine room makes sounds like Whizz and water flowing also makes sound When water freezes to ice freezing sounds such as click click are heard When ice is being ejected sounds like Whizz produced by a
86. eck the terminal movement E Check both terminals of power cord Power conducts OK No power conducts NG E Check both terminals of O L P If power conducts OK If not NG E Check the resistance of both terminals At normal temperature 6 OK If disconnected e 297 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 2 No cooling 2 Refrigeration system is clogged E Check the clogged Moisture Residual moisture Air Blowing Not performed evaporator by heating as clogged in the evaporator Too short soon as the cracking sound BIN begins the evaporator start Impossible moisture freezing confirmation 9 Low air pressure Leave it in the air During rest time After work L Caps are missed Residual moisture Not dried in the compressor Elapsed more than 6 months after drying Caps are missed L No pressure when it is open electric Insufficient drier drier Drier temperature poweron capacity Leave it in the air Check on package therm conn ostat Good storage after finishing Residual moisture Caps are missed During transportation 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 E The evaporator does not cool Short pipe insert fr
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88. er Not fit assembly inner diameter of stopper Tilted Not Compressor base not connected Bad welding compressor stand fallen Foreign materials in the compressor compartment O L P sound Chattering sound Insulation paper vibration Capacitor noise Pipe contacts each other Narrow interval Pipe sound No vibration damper Damping rubber Q Damping rubber S Capillary tube unattached 103 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 7 Sounds 1 Compressor compartment operating sounds Transformer sound 1 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 L Condenser drain sound Not connected Bad pipe caulking 2 Freezer compartment sounds nr Fan motor sound Normal operating sound Vibration sound Aged rubber seat Bad torque for assembling motor bracket contact Shroud contact Damping evaporator contact Residual frost contact JE Poor treatment Cord heater Narrow evaporator interval Sounds from fan Fan guide contact Unbalance fan sounds Unbalance Surface machining conditions r Fan distortion
89. ers door closing Gasket gap 3 Condensation on liner foam Coolairleak r Not fully filled Toop table part and transmitted Out plate R L part Flange gap Not sealed Gasket gap E Inspect parts measurements and check visually 102 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 6 Dew and ice formation 7 Sounds 4 Dew on door r Dew on the duct door Duct door heater is cut Dew on the dispense Recess Heater is cut recess Duct door is open Foreign material clogging Dew on the door surface Not fully filled T Surface Liquid shortage Cormer 1 Liauidleak P U liquid contraction 9 Dew on the Bad wing adhesion sag lower part gasket surface Door liner shape mismatch Corner qe much notch Broken Home Bar heater is cut 5 Water on the floor r Dew in the refrigerator compartment Defrosted water overflows Clogged discharging hose Discharging hose Evaporation tray located at wrong place location Tray gt Damaged 1 Breaks holes Small Capacity Position of drain 1 Compressor compartment operating sounds Compressor sound Sound from machine itself inserted Sound from vibration r Restrainer r Rubber Too hard seat Distorted Aged Burnt Stopper Bad Stopp
90. eter should not be distorted while cutting a capillary tube 8 Be sure that a suction pipe and a filling tube should not be substituted each other during welding High efficiency pump 129 TROUBLE DIAGNOSIS 3 6 Brazing Reference Drawings 1 Asia Middle East Africa PIPE ASSEMBLY PIPE ASSEMBLY HOT LINE HOT LINE Refrigerator Freezer Copper Silver Copper Brazer Brazer Ns CAPI TUBE DRIER ASSEMBLY Copper Silver Brazer Silver Brazer Copper Brazer PIPE ASSEMBLY CONDENSER ASSEMBLY WIRE JOINT Copper Brazer Coppper Brazer Copper Brazer u Silver Brazer 2 Europe amp CIS America PIPE ASSEMBLY HOT LINE Freezer Copper Silver Copper Brazer Brazer Silver Brazer PIPE ASSEMBLY CONDENSER ASSEMBLY WIRE JOINT Copper Brazer Coppper Brazer 130 Silver Brazer Copper Brazer TROUBLE DIAGNOSIS 4 HOW TO DEAL WITH CLAIMS 4 1 Sound Problems Checks and Measures Whizz sounds E Explain general principles of sounds All refrigerator when functioning properly have normal operating sound The compressor and fan produce sounds There is a fan in the freezer compartment which blows cool air to freezer and refrigerator compartments Whizz sounds are heard when the air passes through the narrow holes into the freezer and refrigerator compartments Cooling Fan sound in the compressor comp
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93. frigerator for themselves It may cause accident electric shock or fire Do not store flammable materials such as ether benzene alcohol chemicals gas or medicine in the refrigerator Do not put flower vase cup cosmetics chemicals etc or container with full of water on the top of the refrigerator Do not put glass bottles with full of water into the freezer The contents shall freeze and break the glass bottles When you scrap the refrigerator please disconnect the door gasket first and scrap it where children are not accessible SPECIFICATIONS 2 Ref No GC L207 ITEMS SPECIFICATIONS ITEMS SPECIFICATIONS DIMENSIONS mm 890 W x725 D x1750 H CAPILLARY TUBE MOLECULAR SIEVE XH 7 NET WEIGHT kg 120 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 LUBRICATING OIL FREOL 10G 310 cc DRIER ID 0 83 1750 lt Front View gt INSULATION Cyclo Pentane ANTI FREEZING HEATER Damper Heater COMPRESSOR P T C Starting Type FREEZER LAMP 40W 1 EA EVAPORATOR Fin Tube Type REFRIGERATOR LAMP 40W 1 EA CONDENSER Wire Condenser DISPENSER LAMP 15W 1 EA REFRIGERANT 81343 1800 71
94. g a weight of an evacuated cylinder 128 TROUBLE DIAGNOSIS Items Precautions Evaporator Compressor 4 Refrigerant Charging Charge refrigerant while operating a compressor as shown above 5 Pinch a 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 Take a leakage test on the welded or suspicious area with an electronic leakage tester 7 Pipe arrangement Check each pipe is placed in its original in each cycle place before closing a cover back M C after completion of work Particularly control the size of Joint Drain Pipe 3 5 Standard Regulations For Heavy Repair 1 Observe the safety precautions for gas handling 2 Use JIG or wet towel in order to prevent electric wires from burning during welding In order to prevent insulation break and accident 3 The inner case shall be melted and insulation material polyurethane shall be burnt if not cared during welding inner case parts 4 The copper pipe shall be oxidized by overheating if not cared during welding 5 Not allow the aluminum pipes to contact to copper pipes In order to prevent corrosion 6 Observe that the inserted length of a capillary tube into a drier should be 12 2 mm Drier Molecular Molecular Pipe Sieves hm 7 Make sure that the inner diam
95. g path refrigerator P U liquid leak compartment Foreign materials P U dump liquid temperature 5 No automatic operation faulty contacts 6 Dew and ice formation 2 Food storate 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 close Partly opens 3 Poor insulation 4 Bad radiation 7 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 positioned at strong 1 Ice in freeezer compartment r Exteral air inflow Rubber motor assembly direction reverse rDooropens Weak door closing power but not closes Stopper malfunction Door sag Food hinders door closing r Gap around gasket Contraction distortion loose door twisted corner not fully inserted Food vapor Storing hot food Unsealed food 2 Condensation in the refrigerator compartment r Door opens Insufficient closing but not closes Door sag Food hind
96. g safety precautions in order to use safely and correctly the refrigerator and to prevent accident and danger during repair Be care of an electric shock Disconnect power cord from wall outlet and wait for more than three minutes before replacing PWB parts Shut off the power whenever replacing and repairing electric components When connecting power cord please wait for more than five minutes after power cord was disconnected from the wall outlet Please check if the power plug is pressed down by the refrigerator against the wall If the power plug was damaged it may cause fire or electric shock If the wall outlet is over loaded it may cause fire Please use its own individual electrical outlet for the refrigerator Please make sure the outlet is properly earthed particularly in wet or damp area Use standard electrical components when replacing them Make sure the hook is correctly engaged Remove dust and foreign materials from the housing and connecting parts 8 10 11 12 13 14 Do not fray damage machine heavily bend pull out or twist the power cord Please check the evidence of moisture intrusion in the electrical components Replace the parts or mask it with insulation tapes if moisture intrusion was confirmed Do not touch the icemaker with hands or tools to confirm the operation of geared motor Do not let the customers repair disassemble and reconstruct the re
97. han forty minutes after connecting manifold gauge hose and vacuum pump to high drier and low compressor refrigerant discharging parts pressure sides Evacuation Speed 113 min Vacuum pump R134a exclusively Manifold gauge Refrigerant charging and charging inlet welding Weigh and control the allowance of R134a bombe ina vacuum conditions to be 5 g with electronic scales and charge through compressor inlet Charge while refrigerator operates Weld carefully after inlet pinching R134a exclusive bombe mass cylinder refrigerant R134a manifold gauge electronic scales punching off flier gas welding machine Check refrigerant leak and cooling capacity Check leak at weld joints Minute leak Use electronic leak detector L Big leak Check visually or fingers 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 arrangeme 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 accord
98. igerant Use copper bombe 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 Use R12 exclusively from pipe for R12 refrigerator Replace drier whenever repairing refrigerator cycle piping 7 Leak check Do not use soapy Detect Check oil leak at refrigerant leak area water for check refrigerant Use electronic leak detector if oil leak is it may be sucked leak area not found into the pipe by The electronic leak detector is very sensitive to halogen gas in the air It also can detect R141b in urethane Please practice therfore many times before use NOTE Please contact Songso company on 82 53 554 2067 if you have inquiry on heavy repair special facility 124 TROUBLE DIAGNOSIS 3 2 Summary Of Heavy Repair Process Contents Tools Trouble diagnosi Remove aol 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 N2 sealing and packing conditions before use Use good one for welding and assembly Weld under nitrogen gas atmosphere N2 gas pressure 0 1 0 2kg cm Repair in a clean and dry place Pipe Cutter Gas welder gas Evacuate for more t
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100. justing screw and rotate driver in arrow direction clockwise until the and rotate driver in arrow direction clockwise until the refrigerator becomes horizontal refrigerator becomes horizontal HOW INSTALL REFRIGERATOR 2 How to Install Water Pipe Before Installation a 180cc with water for 3 seconds dispenser 3 The total length of water pipe shall be less than 12m Do not bend the pipe at right angle If the length is more than 12m there will be troubles on water supply due to water pressure drop 4 Please install water pipe where there is no heat around The icemaker requires the water pressure of 1 5 8 5kgf cm2 It is acceptable if city water fills cup of Install booster pump where the city water pressure is below 1 5kgf cm for normal operation of water and ice 2 1 When connecting directly to the water tap Please confirm the following installation parts Valve Feed Rubber Packing Connector Pipe Connector Pipe Tape Teflon Class Shape and Spec Nomenclature P No Remarks Conve Valve Feed 5221JA3001A Common Use rtible Water Valve Water Connector MECH Pipe 4932JA3003A Conn Conversion Connector 3 4 6631JA3004A No Holes ector Balance Conector 3 4 6631JA3004B Packing o24x3t 3920JA3001B Connector MECH Pipe 4932JA3003B Conversion Connector W25
101. le diagnosis is to make the repair service easy when the refrigerator is out of order during service 2 The function control button does not work but the recognition sound is heard when the refrigerator is out of order 3 It returns to normal conditions when trouble code led is off reset 4 Trouble code is indicated by the freezing temperature indicator led in the refrigerator display All leds except trouble code are off Trouble Code Trouble Code Index REF TEMP Trouble Code CUBE REFRIGERATOR Trouble Code REF TEMP CHILD LOCK NOTE 1 e Off PROPER OPERATION TROUBLE CODE INDEX PRODUCT OPERATION STAUS IN FAILURE 8 STEPPING NO ITEM T CONTENTS OF FAILURE COMPRESSOR FREEZING BLDC COOLING BLDC DEFROST TERPIN MOTOR MOTOR HEATER ABNORMAL ro ONFOR 15 MINUTES 1 FREEZER SENSOR FREEZER SENSOR SHORT CIRCUIT OFF FOR 15 MINUTES STANDARD RPM ABNORMAL REFRIGERATOR FULL OPENING FOR 2 UPPER PART NTE REFRIGERATOR SENSOR1 SHORT CIRCUIT O STANDARD RPM O O E REFRIGERATOR COMPARTMENT 15 MINUTES ABNORMAL REFRIGERATOR SENSOR2 R2 NORMAL DISPLAY generee INTHE REFRIGERATOR SENSOR2 SHORT CIRCUIT STANDARD RPM REFRIGERATOR COMPARTMENT 4 ABNORMAL DEFROST SENSOR ABNORMAL SHORT CIRCUIT STANDARD RPM NO DEFROST M DEFROST HEATER TEMPERATURE FU
102. n Temperature adjustment button for refrigerator compartment for freezer compartment 13 FUNCTION 1 3 Display Second Function EXPRESS gt DIGITAL CONTROL FLTERSTATUS DISPENSER FRZ BUTTON WATER ON CRUSH FRZTEMP REFTEMP Lock FRZ FREEZER REFRIGERATOR FILTER LOCK Lock button Express freezer Dispenser Filter reset button selection button Temperature adjustment button Temperature adjustment button for freezer compartment for refrigerator compartment 1 Buzzer sound mute Mode The buzzer sound is set to OFF It activates by sounding the recognition sound of Ding after pressing and holding Express FRZ button more than 5 seconds It inactivates when resetting the mode power Display Power saving Mode It places display in standby mode until door is opened Press Freezer and Express FRZ buttons simultaneously to turn all leds become ON and then OFF with the recognition sound of Ding after 5 seconds Be sure not to press only one button to work Once the mode activates the display is always OFF Until door is opened or display button is pressed When 30 seconds has elapsed after closing door or pressing button the display turns OFF To deactivate this mode is same as the activation methods The mode inactivates when resetting the power Exhibition Mode This function is available when exhibiting a refrigera
103. nds at the BLDC motor Then it displays failure refer to failure diagnosis function table at the display part of refrigerator performs re operation in the cycle of 30 minutes If normal operation is performed poor status is released and refrigerator returns to the initial status reset 2 6 Control of M C room fan motor 1 The M C room fan motor performs ON OFF control by linking with the COMP 2 It controls at the single RPM without varying RPM 3 Failure sensing method is same as in fan motor of freezing fan motor refer to failure diagnosis function table for failure display 2 7 Door opening alarm 1 Buzzer generates alarm sound if doors are not closed even when more than a minute consecutively has passed with doors of freezing cold storage room or home bar opened 2 Buzzer rings three times in the interval of 0 5 second after the first one minute has passed after doors are opened and then repeats three times of On Off alarm in the cycle of every 30 seconds 3 If all the doors of freezing cold storage room or home bar are closed during door open alarm alarm is immediately released Doors of freezing cold storage room Closing Opening Closing Opening Closing or home bar 3 Times 3 Times 3 Times 3 Times BUZZER Within A minute 30 30 30 a minute Seconds seconds seconds 2 8 Ringing of button selection buzzer 1 If pressing the front display button Ding sound rings 2 9
104. nnnn 86 WORKING PRINCIPLES tr 86 ICE niu 87 ICE MAKER TROUBLESHOOTING 1 itr eere eMe ien resta 90 ICE MAKER CIRCUITS wesc 91 EEE 93 TROUBLE DIAGNOSIS sit ent 97 TROUBLESHOOTING eU emu noeud eene ee 97 PAULUS 107 COOLING CYCLE HEAVY REPAIR eb e i tet den ELSE HE i 124 HOW TO DEAL WITH CLAIMS ee ee ag a ttes en 131 HOW DISASSEMBLE AND ASSEMBLE snnnennnnenannnannnnnnennenennnnnennennennennennanenenanentnnente 136 136 dr ted te 137 SHROUD GRILLE FAN anne 137 SAAS e GSO aS bates 137 DISPENSER m 138 HOME BAR recen ad ird it Hen n p edid RS 138 EXPLODED VIEW P 141 REPLACEMENT PARTS LIST na 148 WARNINGS AND PRECAUTIONS FOR SAFETY Please observe the followin
105. nter If ice is not used frequently it may lump together Power failure Ice may drop into the freezer compartment Take the ice storage bin out and discard all the ice then dry it and place it back After the machine is powered again crushed ice will be automatically selected The unit is newly installed e It takes about 12 hours for a newly installed refrigerator to make in the freezer compartment 2 4 Express freezing 1 Express freezing is function to improve cooling speed of the freezing room by consecutively operating compressors and freezing room fan 2 Express freezing is released if power failure occurs and then returns to the original status Temperature setting is not changed even if selecting the express freezing 4 The change of temperature setting at the freezing room or the cold storage room is allowed with express freezing selected and prrocessed 5 The cold storage room operates the status currently set with Express freezing selected and procesed 6 If selecting the Express freezing the Express freezing function is released after continuously operating compressor and freezing room fan 7 If frost removal starting time is arrived during Express freezing Express freezing operation is done only for the remaining time after completion of frost removal when the Express freezing operation time passes 90 minutes If passing 90 minutes Express freezing operation is done only for 2 hours after completion of
106. om the beginnig no evidece Pipe gaps Too large of misture attached cogged Damage pipes The evaporator is the same Too much solder as before even heat is applied The capillary tube inserted depth Too much Drier cloggeing Capillary tube melts Over heat Clogged with foreign materials Desiccant powder Weld oxides Drier angle Reduced cross section by cutting Squeezed Compressor cap is disconnected Foreign material clogging Foreign materials are in the pipe 98 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 3 Refrigeration is weak 1 Refrigerant Partly leaked Weld joint leak Parts leak 2 Poor defrosting capacity r Drain path pipe clogged generate heat m Inject P U into drain hose m Inject through the hole Seal with drain Foreign materials P U lump input penetration Screw input Other foreign materials input Defrost heater does Parts Heater disconnected Sheath Cap drain is not disconnected Wire is cut Lead wire Heating wire Contact point between heating and electric wire F Dent by fine evaporator Heating wire is corroded Water penetration Bad terminal connection Check visually Check terminal Conduction OK No conduction NG If wire is not cut refer to resis
107. page 18 Is DC Power 5V and 12V output normal Failed DC Power Check DC power 5V 12V Change main PWB 15 cube ice led off during troubleshooting check Replace Ice making Sensor Failed ice making sensor Check the resistance of both ends 1 2 of ice making sensor of 8 Defects between ice making sensor and board Pin No 60 of IC1 Is Crushed Ice LED off during troubleshooting check Failed Ice Maker Unit Replace Ice Maker Unit 15 the resistance of both ends 9 10 of ice ejection motor of CONG between 18 and 220 No s ice ejection motor drive circuit IC11 and peripheral circuits normal Defects between Hall IC and Board Pin No 42 of IC1 Confirm ice ejection and level return when pressing test switch Replace Main PWB ejection and level return normal when test switch is pressed for more than 0 5 second Does the bell sound once Failed ice maker unit test switch Replace Ice maker Unit Are both ends 5 6 of CON8 test switch open Defects between test switch and board Pin No 43 of IC1 Are both ends 3 4 of CON8 ice maker stop switch short Is water suppy normal No after Ice ejection and level return by ice ejection motor Poor water supply Replace water supply valve s power applied to water supply valve Does the water supply
108. perates and crushed ice is dispensed 4 When cube ice is selected and its button is pressed geared motor and ice solenoid operate and cube ice is dispensed 7 Function of Water Dispenser 1 When user selects water in the function control parts it is indicated in the LED and water is selected 2 Water dispenser is a direct tap water connection type The water solenoid valve on the right of machine room opens and water dispenses when user selects water and presses button 30 FOR MICOM CIRCUIT 1 Explanation for PWB circuit 1 1 Power circuit Power circuit consists of SMPS SWITCHING MODE POWER SUPPLY power The SMPS consist of the rectifying part 801 CE1 converting AC voltage to DC voltage the switching part 122 switching the converted DC voltage transformer transferring energy of the primary side of the switching terminal to the secondary side and the feedback part IC3 4 transferring it to the primary side Caution Since high voltage DC310V is maintained at the power terminal please take a measure after more than 3 minutes have passed after removing power cords in the abnormal operation of a circuit Voltage of every part is as follows Part VA1 CE1 CE2 CE3 CE4 5 Voltage 220 Vac inspection Vdc 13 16 Vdc 12 Vdc 15 5 Vdc 5 Vdc lt GC L207 Bar LED gt BDI 2 413 sx Lt ov a 8 FRO
109. pletion of MICOM initialization The detecting lever moves up and down 2 The level of ice maker cube mould is judged by output signal high and low signal of Hall IC Make the cube mould to be horizontal by rotating ice ejection motor in normal or reverse direction so that High Low signal can be applied to MICOM Pin No 44 3 If there is no change in signals one minute after the geared motor starts to operate it stops icemaker operation and check the signal every hour It resets initialization of icemaker when it becomes normal 4 It judges that the initial control is completed when it judges the ice maker cube mould is horizontal 5 Ice ejection conducts for 1 cycle irrespect of ice in the ice bank when power is initially applied 2 2 Water Supply Control Function 1 This is to supply water into the ice maker cube mould by operating water valve in the machine room when ice ejection control is completed and ice maker mould is even 2 The quantity of water supplied is determined by DIP switch and time lt Water Supply Quantity Table gt DIP SWITCH SETTING WATER SUPPLY TIME REMARKS No S W 1 S W 2 S W 3 1 OFF OFF OFF 6 5 Sec 2 ON OFF OFF 5 5 Sec The quantity of water supplied depends on DIP switch setting 3 OFF ON OFF 6 Sec conditions and water pressure as it is 4 ON ON OFF 7 Sec a direct tap water connection type the water supplied is generally 80 cc 5 OFF OFF ON 7 5 Sec to 120 cc 6 ON OFF ON
110. s available in Model GR P197 GR L197 where water and ice are available without opening freezer compartment door 2 Crushed Ice is automatically selected when power is initially applied or reapplied after power cut 3 When dispenser selection switch is continuously pressed light is on in the following sequence Water gt Cube Ice gt Crushed Ice 4 Lamp is on when dispenser rubber button is pressed and vice versa 5 When dispenser crushed ice rubber button is pressed dispenser solenoid and geared motor work so that crushed ice can be dispensed if there is ice in the ice bank 6 When dispenser cube ice rubber button is pressed dispenser solenoid cube ice solenoid and geared motor work so that cube ice can be dispensed if there is ice in the ice bank 7 When dispenser water rubber button is pressed water valve opens and water is supplied if water valve is normally installed on the right side of the machine room 8 Ice and water are not available when freezer door is open Conduct Ice Making Control after supplying water into the ice maker cube mould by operating water valve Wait until the water in the cube mould is frozen after ice maker starts operation 86 ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 2 Function of Ice Maker 2 1 Initial Control Function 1 When power is initially applied or reapplied after power cut it detects level of ice maker cube mould after com
111. se 6 867 43 68 1 2W ei a M BA6222 223 00 275 3 2 10 223 L 9 223 T ICE MAKER SENSOR ICE MAKER STOP S W ICE MAKER TEST S W ICE MAKER MOTOR ICE MAKER SENSOR ICE MAKER STOP S W ICE MAKER TEST S W ICE MAKER MOTOR CIRCUIT lt GC P L B C207 Bar LED gt The circuit has been only applied to voltage except 220v CIRCUIT DIAGRAM BASIC DELUXE H BAR PART H BAR HEATER DOOR S W CAPACITOR PART PLUG COMPRESSOR EARTH PART ON CIRCUIT DIAGRAMS ARE SUBJECT LOCALITES AND ACCORDANCE WITH MODEL TYPE NEUTRAL PWB ASSEMBLY MAIN 1 FUSE PART _ 250 15 MOTOR BLDC C FAN MOTOR BLDC 0 F DOOR PERCEPTION DEFROST SENSOR F SENSOR FUSEM DEF HEATER FUSE PART APPL 802 280 P T C ASSEMBLY PART O CHANGE IN DIFFERENT CATION OPTIONA FUSE 100 127 NO FUSE 220 240V 250VAC 15A N av FUSE MELTING 026 RD R DOOR SWITCH fied 2 0008 SWITCH MIRACLE ZONE DISPLAY MIRACLE ZONE SENSOR CON1 GY SB _ MIRACLE ZONE STEPPING MOTOR HEATER SHEET MIRACLE ZONE DAMPER
112. t Mould Returns to Horizontal N Maximum tilting point Bank is not full HALL IC ON OUTPUT SIGNALS OFF Bank is full HALL IC ON OUTPUT SIGNALS OFF ICE CHECKING LEVEL 30 ICE CHECKING A E a 3 TE AXIS AP UON 8 0 10 32 41 53 58 80 160 170 Lock Ice making Ice Checking Ice Ejection Lock Original point 2 1 sec Horizontal 9 3 sec Level Retrun Conditions Conditions Timing Chart During Ice Ejection gt 68 ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 2 5 Test Function 1 It is to force the operation during operation test service and cleaning The test switch is mounted under the automatic ice maker The test function starts when the test switch is pressed for more than 0 5 second 2 Test button does not work during ice ejection and water supply It works when it is in the horizontal conditions If mould is full of ice during test function operation ice ejection control and water supply control do not work 3 When test switch is pressed for more than 0 5 second in the horizontal conditions ice ejection starts irrespect of the mould conditions Water shall be splashed if test switch is pressed before the water in the mould freezes Water shall be supplied while the mould returns to the horizontal conditions after ice ejection Therefore the problems of ice ejection returning to the horizontal conditions
113. t 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 Check the use conditions Too frequent door opening and hot food storing cause the compressor to operate continuously and hence increase the electric consumption and bills 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 the air tight container or in the wrap When is the power connected When should the power be connected 7 You can connect the power right after the installation But if the refrigerator was laid flat during transportation for a long period of time and the refrigerant and compressor oils are mixed up then this will affect badly the performance of a refrigerator Be sure to connect the power 2 3 hours after refrigerator is installed Door does not open properly The front side should be raised 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
114. tance P Power V Voltage R Resistance pe 99 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 3 Refrigeration is weak Residual frost Weak heat from heater Sheath Heater rated Heater plate rated Faulty characteristics Too short defrosting time Defrost Sensor Seat D missing location thickness Air inflow through the fan motor Structural fault Gasket gap Bad insulation of case door No automatic defrosting _ Defrost does not retum 3 Cooling air leak Door sag Bad gasket adhestion Bad attachment Contraction r Bad adhesion Weak binding force at hinge 4 No cooling air circulation Faulty fan motor motor Self locked Wire is cut L Bad terminal contact Door switch Faults Contact distance Button pressure Melted contact Contact r Refrigerator and freezer switch reversed Button is not pressed Poor door attachment Door liner dimension Contraction inner liner Misalignment Bad terminal connection P U liquid leak Check the fan motor conduction OK No conduction NG 100 TROUBLE DIAGNOSIS CLAIMS CAUSES AND CHECK POINTS HOW TO CHECK 3 Refrigeration is weak 4 No cooling air circulation Faulty
115. test mode will not be performed Mode Manipulation Content Remarks Test 1 Press test button once 1 Continuous operation of compressor Freezing room fan is freezing force mode 2 Continuous operation of freezing room fan turned off in door open high speed RPM and M C room fan 3 Frost removal heater OFF 4 Full opening status baffle opened status of electronic step motor damper 5 All display LED graphics ON Test 2 Press test button once at 1 Compressor OFF the test mode 1 status 2 Freezing room fan and M C room fan is compulsory frost removal turned off mode 3 Frost removal heater ON 4 Full closing status baffle closed status of electronic step motor damper 5 All display LED graphics OFF 88LED Except for 22 B 22 LEDs Bar Dot LED Except for only middle Notch Bar Graphics Normal Press test button once at Return to the initial status Compressor is operated Status the test mode 2 status after 7 minutes freezing force mode 29 MICOM FUNCTION LED check function When freezer and refrigerator temperature control buttons are pressed for more than 1 second at the same time all LEDS on the display are on And it returns to the normal conditions when the buttons are released Check of freezer fan rpm variation Freezer fan speed changes from high speed to standard speed and vice versa for 30 seconds whenever freezer and refrigerator temperature control buttons are pressed at
116. the gasket Too frequent door opening parties etc Hot foods are stored before they are cooled down The temperature of freezer is 19 C 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 B Explain basic principles of frost 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 shall freeze and form frost If warm water was put into the ice mold the situation will become worse 134 TROUBLE DIAGNOSIS 4 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 no 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 a clearance between refrigerator and wall Small holes in a door liner W Explain tha
117. tion of option by model and the application standards are as follows These circuits are accurately pre adjusted in shipment from factory and so you must not additionally add or remove option Separation Connection Status Application Standard Connection Export model OP1 OUT Domestic model 46 EXPLATION FOR CIRCUIT 1 8 Stepping motor operation circuit lt GC B C207 88 LED gt T CONG 9 16 ie Feo ime 4 0 STEPPING MICOM3 INC 34 6 re 34 22 2 lt GC B C207 Bar Dot LED gt icio CONS 9 16 TA7774P 5 9 fe d mi Ime Drea fo T io LA STEPPING ICI NS FIK 0 118 MOTOR pag 9 6 8 ICOM Pe he lt GC P L207 88 LED gt ICIO CON7 9 6 7774 N 5 he 3 _ R55 lt R56 lt 857 pus 14 10 A STEPPING Po 133 16 148 108 SWP 8 i a p3 34 B 6 B 445475 m I3 GC P L207 Bar LED
118. tor in the shopping moll Function is inserted with recognition sound Ding if pressing both the Express FRZ button and the REFRIGERATOR button at the same time for more than 5 seconds If function is inserted all basic refreezing functions at the R F room and the Storage room COMP F FAN C FAN turns off and the display normally operates However the dispenser function normally operates The DEMO stops if pressing the button during DISPLAY DEMO DEMO stops and the display normally operates but performs DEMO operation again if not pressing the button again for more than 30 seconds DEMO Display scenario when using the display Release method is same as input method The mode is released if power is reset 22 MICOM FUNCTION 2 Description of Function 2 1 Funnction of Temperature Selection 1st Press 2nd Press 3th Press 4th Press Division Power Initially On Type 2 Bar LED Temperature Control Middle Middle Strong Strong Middle Weak 19 C 21 C 23 C eee 18 21 C 22 C 17 C lt 19 C gt lt 21 C gt lt 22 gt lt 16 5 C gt lt 18 C gt Refrigeration 3 C 1 5 C 0 C 6 C 4 5 C Control lt 2 C gt lt 1 C gt lt 0 C gt lt 4 5 C gt lt 3 C gt The temperature can vary 3 C depending on the load condition 127V 60Hz 110 115V 60Hz 115V 60Hz Rating ONLY lt gt TAIBEI 1 When power is initially
119. tton 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 And do not block the outlet If the outlet of the cooling air is blocked the refrigerator compartment will not be cooled 133 TROUBLE DIAGNOSIS 4 3 Odor and Frost Problems Checks and Measures Odor the refrigerator compartment Explain the basic principles of food odor Each food has its own peculiar odor Therefore it is impossible to prevent or avoid food odor completely when food is stored in the completely sealed refrigerator compartment 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
120. ual refrigerant Evaporator Low pressure side KEYPOINTING Observe the sequence for removal of refrigerant If not compressor oil may leak Compressor Release High pressure side Refrigen Condenser Intake 1 Remove residual refrigerant more than 5 minutes later after turning off the refrigerator If not compressor oil may leak inside 2 Remove retained refrigerant slowly by cutting first high pressure side drier part with a nipper and then cut low pressure side 2 Nitrogen blowing welding Evaporator KEYPOINTING Welding without nitrogen blowing produces oxidized scales inside a pipe which affect on performance and reliability of a product Refrigen Condenser High pressure side Intake When replacing a drier Weld and 2 parts by blowing nitrogen 0 1 0 2kg cm 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 KEYPOINTING Be sure to check the inserted length of capillary tube when it is inserted If too much inserted a capillary tube is clogged by a filter Filter Inserting a capillary tube Measure distance with a ruler and put a mark 12 3 0 on the capillary tube
121. w direction until it is loosened and take it out in arrow B direction Note When disconnecting refrigerator door turn hinge lever counterclockwise f hinge lever or bracket hinge pin is deformed during assembling freezer and refrigerator doors fix two screws Tap Tite Screw M6 Hinge L fixing screw in the hole of upper hinge 3 Disconnect upper hinge 1 from a hinge supporter 2 by grasping the front part of upper hinge and lifting up Hinge Assembly 0 in arrow direction and pull forward in arrow direction Be careful as the door may be fallen down 4 Lift up the freezer door in arrow direction and disconnect the door from the lower hinge 2 Don t pull a door forward Note Lift up a freezer door until a water supply tube is fully taken out 5 Assembly is the reverse order of disassembly 136 HOW DISASSEMBLE AND ASSEMBLE 2 HANDLE 1 Put blade screwdriver into a groove on the side of a Deco handle and lift up a little bit in arrow direction and push up with hand in arrow 2 direction and disconnect Handle Deco 2 Put blade screwdriver into a groove on the side of a DECO handle and lift up in arrow direction and push down with hand in arrow direction and disconnect 3 Push up a piece handle 3 in arrow direction with hand and disconnect 4 Turn screw in arrow direction with a cross driver and disconnect Handle Piece

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