20040424123736859 Samsung Bottom
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1. 9250 07 WHT mx 1 ew GRY i qo iar ATL TRANS 0 YW396 09AV P rc ait CRY T9 wc RYT C PET jojo qum a 90 reum rye R DEF HEATER A ORY ULL R3 REE IER F Bin En ENT 5 Ry 4 VR Ps pedes ORG RYG RUN 01840 lt 9 T MAI mu a borg PIN Ung RED F FAN MOTOR RED a H VARI g RED 1 yf bo Loto on Ni I om 1W396 O9AV RED 2 igs olor 4 mas 1 quo 3250 03 A wi WHT 4 95 L EXT SENSOR DES CAO 6 FUNCTION OPTION 1005 CIRCUIT DIAGRAM BLOCK Wu un ERR CS osse SOMMATIC DIAGRAM SCHEMATIC DIAGRAM SCHEMATIC DIAGRAM fn Et i HYSTERESIS 5603 0602 0601 0609 di 5 HKI T 11 00 20119 Ei 550 7 4 0176 291 DA 92. 272 Oseon Dong Kwangsan Gu Kwangju City Korea 506 253 TEL 82 62 950 6193 6896 FAX 82 62 950 6829 This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd Refrigerator Division 2004 02 Printed in Korea
3. Check wires connection 11 4 If cooling fan doesn t work Select a pull down mode from the forced operation function 1 When COMP is OFF both freezer and the refrigerator cooling fans and COMP cooling fan remain OFF 2 When COMP is ON the refrigerator fan is not always ON and when the refrigerator temperature reached a set temperature the fan goes OFF 3 When both the freezer and the refrigerator doors are closed each fan has a delay time bsec 1 min and then degins to run COMP ON condition 4 1 When freezer fan F fan do not operate Start 15 compressor operated by force running Force running Is fan moving with a condition that door S w is pressed include delay time F fan is normal Exchange door s w N Exchange in leads MICOM PCB Is MICOM pin 39 5V power Close Is main PCB connector CN71 insertion correct Re insert connector CN 71 Is MICOM pin 32 voltage high 5V Exchange PCB MICOM leads Check relay check IC06 14 and exchange main PCB ass y 39 Diagnostics 11 5 lf the refrigerator fan doesn t work 15 compressor operated by force running Is fan moving with a condition that door S w is pressed include delay time 15 refrigerator temperature Is door s w normal Is MICOM pin 4
4. a Glass Shelf Tilt down and slide it out Pull it out until its stop Push it up and slide it out 2 Light lt 2 Vegetable Interior Views and Dimensions 6 2 Dimensions of Refrigerator Inches O to Y 32 3 MODEL A B C RB1955 24 3 28 3 57 8 RB2155 26 3 30 3 59 8 7 Refrigeration Cycle and Cool Air Circulation Route 7 1 Refrigerant Route in Refrigeration cycle Compressor Sub condenser Cluster pipe Hot pipe Dryer Capillary tube R Evaporator F Evaporator Accumulator Suction pipe Compressor P d P SIDE CLUSTER PIPE ras pi 7 lt a amp T gem 4 7 lt CAPILLARY 5 I HOT PIPE Refrigeration Cycle and Cool Air Circulation Route 7 2 Cool Air Circulation R FAN CENTRIFUGAL TYPE R EVAPORATOR COLD AIR F FAN PROPELLER TYPE MOTOR F EVAPORATOR OUTPUT AIR RETURN AIR 8 Mechanical Disassembly Refrigerator Disassembly Control Panel zx aay pun S EE 13 Refri
5. 2 Pull out the screw caps with a small flat blade screwdriver 3 Remove 6 Phillps screws from the cover SHI m Ductwork of the evaporator fan assembly 4 Unlock the 2 tabs with a flat blade screwdriver on each side of the bottom cover 5 Remove the evaporator cover by pulling out from the bottom of the evaporator cover Mechanical Disassembly 1 Remove all drawers from the freezer 5 Disconnect wire connector from the top left corner 6 Remove 2 screws from the rear cover of the freezer evaporator and unlock the tabs to remove it 2 screws 3 Pull down the holder of the support rail and disconnect the wire connector to remove it 4 Unlock the tabs around the evaporator cover from the buttom Mechanical Disassembly Evaporator in Refrigerator Evaporator in Freezer Evaporator is located in the bottom of refrigerator Evaporator is located in the bottom of freezer to 1 Take off the ductwork in refrigerator produce cold air driven across the evaporator coils 2 Disconnect the wire connector Heater and 1 Take off the ductwork in Freezer Thermistor 2 Disconnect the wire connector Heater 3 Desolder the capillary tube and the suction line Bimental and Thermistor from the evaporator 3 Desolder the inlet and outlet tubes 4 Remove the evaporator 4 Remo
6. amm SAMSUNG Home Appliance Service S ERVIC GUIDE w RB1955SW RB1955SH RB1955VQ RB2155SW RB2155SH RB2155BB A WARNING IMPORTANT SAFETY NOTICE The service guide is for service men with adequate backgrounds of electrical electronic and mechanical experience Any attempt to repair a major appliance may result in personal injury and property damage The manufacturer or dealer cannot be responsible for the interpretation of this information SAMSUNG ELECTRONICS AMERICA INC Technical Service Guide Copyright 2004 All rights reserved This service guide may not be reproduced in whole or in part in any form without written permission from the SAMSUNG ELECTRONICS Company 4 2 Nomenclalure PR dove ne d dg 4 3 Product Specifications 5 4 Electrical part specifications amp standard 5 5 Warranty information 4644 4 ea bue d u eges s 7 6 Interior Views and Dimensions ete EX qnie sedes demas 8 7 Refrigeration Cycle and Cool Air Circulation Route 10 8 Mechanical Disassembly lt s nn 12 9 Operation Function 2 19 10 Circuit Descriptions s n n 26 queo ipe 34 12 Illustrated Parts Catalog 0 0 48 13 Safety instruction on services e sores envie qose denter deg 56
7. DA67 00505K SHELF GLASS SHELF MID UPP 14 DA61 00368A RAIL CHILLED L SHELI DA61 00367A RAIL CHILLED L SHEL 15 DA61 00370A RAIL CHILLED R SHEL DA61 00369A RAIL CHILLED R SHEL 16 DA63 00945A TRAY CHIL ROOM ASSY DA97 00296D TRAY CHIL ROOM ASSY 17 DA63 00925A COVER LAMP REF 18 DA67 40250E TRAY UTILTY 19 4713 001145 LAMP INCANDESCENT 10V 30W 20 DA96 00017C EVAP REF ASSY 115V 120W 21 DA32 00006C SENSOR ASSY EVAP REF 22 DA47 00095D ASSY FUSE 77 EVAP REF 250V 23 DA97 00459F COVER EVAP REF ASSY 1150271 60Hz 24 DA63 00933A COVER EVAP FR REF 25 DA63 00932A COVER EVAP RE REF 26 DA63 00183B COVER MOTOR 27 DA31 00016A FAN CIRCUIT 28 DA63 00934B COVER SENSOR REF 29 DA64 00452C TRIM COVER SENSOR 30 DA60 00033A SPACER DUCT 220V 240 50H2 31 DA31 00003N MOTOR FAN 15V 32 DA63 00771A GROMMET MOTOR 33 DA32 10105T SENSOR ASSY COVER EVAP 34 DA62 00106A SEAL COVER EVAP RE 35 DA62 00109A SEAL AIR SIDE 36 DA97 00441B PLATE DRAIN REF ASSY 51 lllustrated Parts Catalog 12 3 Disassembly of Door Illustrated Parts Catalog m Parts List of Freezer Door 2 DA71 40135A STOPPER DOOR MID CODE NO PART NAME RB1955SW 2155SW SEC PS RB1955SH
8. C NO SHORT 2 contact DC 12V Operation SHORT terminal Relay DC OV Standstill OPEN Note C Common NO Normal open NC Normal close 3 When it operates as above it is normal and when it does not operate repair the corresponding relay 57 Ref 3 Check a load Unplug the power cord and disconnect the SRPEN connector from the main PCB CN70 71 and WHT measure the following g R C iB 1 Measure resistance between the terminals and F DEF HEATER TRE i check for malfunctioning of a load and wire connection C FAN MOTOR SUDO Measurement Evaluation of mea ubordinate terminal surement result R Defrost heater CN70 9 ums F Defrost heater CN70 D R FAN MOTOR Comp CN70 9 9 Comp circulation fan CN71 Q D MOTOR R Circulation fan CN71 F LAMP F Circulation fan CN70 R Lamp CN71 Q D F Lamp CN71 8 D CN71 YW396 09AV RED Ref 4 Check sensors Disconnect the connector from the main PCB o CN30 ate A Resistance will be lowered while the Y amp lo temperature rises due
9. pics OHO PRP 4 QD PeA AINA Y LO OMS 10K J 4 m 00 PG3 AIN3 R310 051 304 3031302 C301 c 1045 Air Sensor When Sensor is open When sensor is cut off MICOM input HIGH MICOM input LOW 1 The sensor uses the characteristics of thermistor If temperature goes higher resistance goes lower On the contrary if temperature goes lower resistance goes higher 2 A MICOM input voltage is calculated by sensor as follows Ves X Vec Vcc 5V Sensor reisitance R301 3 For the resistance data corresponding to a temperature and a MICOM input voltage please refer the conversion table on the back 29 Circuit Descriptions 10 6 Key Scan and Display Circuit FREEZER 10 digit 1 49 FREEZER 1 digit 2a 4g REFRIGERATOR 10 digit 3a 4g REFRIGERATOR 1 digit 4a 4g EN o a m o CN50 SMW250 11 R502 WHT 6 8K F3 S BLU C508 20501 R501 IC03 103 T 12K S1P265A03 KID65003AP P05 D 00 P07 P70 6 eG Freezer Temp Power Freeze Refrigerator Temp o 0900009 50 505 C510 C509 C506 1 1087 i b K DG5783AP If the 04 decorder KID65783AD receives signals from MLCOM pins 34 6 an outpu
10. 11 DA63 00951A HOSE 115V 12 DA63 00951B GROMMET DRAIN HOSE B REF 10 13 DA62 20001Q TUBE PVC FRE 14 DA97 00408B COVER COMP ASSY 15 DA31 00010B FAN ASY 16 DA31 10110G MOTOR CIRCUIT 17 DA73 10109A PIPE CONNECT 115V 60Hz 18 DA97 00180N TRAY DRAIN WATER ASSY 115V 19 DA63 40171B GROMMET SUCT PIPE A PIPE SUB COMA 20 DA63 40171D GROMMET SUCT PIPE B PIPE SUCT 21 DA73 10314L 5 COND ASSY 22 65 20101 CLAMP COMP R13 23 MK172C L2U COMPRESSOR 24 DA73 30102B DRYER ASSY 4TM437RHBYY 53 25 DA34 10003D PROTECTOR J531033E100M200 2 26 DA35 10013N RELAY PTC 27 DA63 10352A COVER RELAY 28 DA71 60141D CHASSIS COMP ASSY 29 61 40101 CASTER REAR 30 DA60 90124A RIVET CASTER 31 DA61 00178A LEG ASSY 32 DA63 40004A GROMMET COMP 33 DA62 00217A SEAL SUB COND 55 13 Safety Instructions on Service Unplug the refrigerator before making any repair or any replacement p gt Avoid the electric shock e Use the rated components on the replacement p gt Check the correct model number rated voltage rated current operating temperature and so on e On repair be sure that the wires such as harness are bundled tightly and are not
11. 58 F Suspected to be over 150 F 9 10 Component Load Operation Function 1 In the normal operation press Power Freeze and Power Cool buttons simultaneously for 3 second then the display panel will blink for 2 seconds 2 Press Refrigerator Temp button to get into this check mode with an audible tone 3 Each illuminating LED segment stands for the component which has an ouput signal from the control board 4 This mode will terminate automatically after 30 seconds 24 Operation Function a a Kt FREEZER 10digit FREEZER 1digit REFRIGERATOR 10digit REFRIGERATOR 1digit Table 2 Display table of the presently operating parts No Content Display LED Operation Remark 1 R an a REFRIGERATOR 1 digit Include R fan activation 2 R defrost heater c REFRIGERATOR 1 digit Defrost heater activation 3 Initial start mode d REFRIGERATOR 1 digit Initial power is activated ON 4 Overload mode REFRIGERATOR 1 digit Outer temperature is over 95 F Ret 5 Low temp mode f REFRIGERATOR 1 digit Outer temperature is below 68 F sd lay 6 Exhibition mode g REFRIGERATOR 1 digit Exhibition mode is operated together 7 a FREEZER 1 digit Led ON when COMP activation is included _ ie 8 F fan b FREEZER 1 digit Led ON F fan activation is included a x 9 F defrost heater d FREEZER 1
12. SAMSUNG authorized service center The original dated bill of sale must be presented upon request as proof of purchase to SAMSUNG or SAMSUNG s authorized service center SAMSUNG will repair or replace any part found to be defective at our option and at no charge as stipulated herein with new or reconditioned parts during the limited warranty period specified above All replaced parts and products become the property of SAMSUNG and must be returned to SAMSUNG Replacement parts and products assume the remaining original warranty or ninety 90 days whichever is longer In home service will be provided during the warranty labor period subject to availability within the contiguous United States In home service is not available in all areas To receive in home service the product must be unobstructed and accessible from floor level to service personnel If during in home service repair cannot be completed it may be necessary to remove repair and return the product If in home service is unavailable SAMSUNG may elect at our option to provide for transportation of our choice to and from a SAMSUNG authorized service center Otherwise transportation to and from the SAMSUNG authorized service center is the responsibility of the purchaser This limited warranty covers manufacturing defects in materials and workmanship encountered in normal noncommercial use of this product and shall not apply to the following including but not limited to damage whi
13. and other sectors of MICOM A reset voltage maintains low for hundreds of usec comparing to MICOM Vcc voltage when the power is in It also maintains high 5V during normal operation But when Vcc drops to 3 4V 3 7V a reset port becomes low 41K J 2 5V R403 R401 F DOOR SW 3 P20 7 icom R DOOR S ore ae 10 P21 gc em WHT DOOR Door Conditions Door S W Contact NO Micom Input Voltage CLOSE OPEN HIGH F 39 OPEN CLOSE LOW CLOSE OPEN HIGH R 40 OPEN CLOSE LOW 1 door is open the door S W contact is closed Then MICOM receives low signal and detects door open A relay control circuit receives HIGH signal and turn Lamp on 2 If a door is closed the door S W contact is open Then MICOM receives high signal and detects door close A relay control circuit receives LOW signal and turn Lamp off 28 Circuit Descriptions _ 10 5 Temperature Sensing Circuit 2 10K F 5 CN30 Vcc 5 250 09 803 mot Tok F SENSOR e OHO OLYA GD P67 AIN7 OHO R304 R SENSOR YEL o EL 10K J olo Qo QY P66 AIN6 8306 DEF 10K J SSR EL ollo O ORG 6 4 My 0 PES AINS wtofo R308 E 10K J REF
14. defrost cycle for the freezer and the refrigerator and finally four times for cancellation of this function e Another way to cancel this function is to simply plug out and in the power cord 1 Pull down Operation 1 1 At the ready mode press any button once then the buzzer will beep ON for 1 2 second and OFF for 1 2 second until this mode is cancelled 1 2 At this pull down mode the compressor will start immediately No 5 minute delay and if the system is in the defrost cycle it will be cancelled right away note If this pull down mode begins right after the compressor was off the compressor may not start to run due to an overload condition 1 3 At this mode the compressor and freezer fan will operate continuously for 24 hours and the refrigerator fan will be on and off according to the set temperature 34 F 1 4 After 24 hour operation the system will be cycled at 14 F for the freezer and 34 F for the refrigerator 1 5 In order to cancel this mode at any time select the next mode on the ready mode or power off the system 2 Defrost operation 2 1 At the pull down mode press any button again on the ready mode to begin the defrost cycle for the refrigerator 2 2 The beep sound continues for 3 second at the beginning then ON for 3 4 seconds and OFF for 1 4 second until this mode cease 2 3 After this operation the system will come back to normal operation 2 4 At this mode press any button again on the ready mo
15. e Appendix Reference for circuit diagnostics 5 57 amp Appendix Il Circuit diagram 61 1 INSTALLATION 1 To protect refrigerator inmovement Use padded hand truck from side only 2 Remove all protective tape and pad from the refrigerators Connect power cord Adjust the clearance between the doors 3 Temperature controls ard preset in the factory for recommended settings The refrigerator should runs smoothly and lower the temperature gradually 4 Once the refrigerator temperature is sufficiently low It is recommended to store foods in the refrigerator It takes a few hours to reach the preset temperatures 2 NOMENCLATURE 2004 Models R B 19 55 Sw COLOR SW SNOW WHITE SH STAINLESS PLATINUM VQ BISQUE GLOSSY BB BLACK OPTION 55 NO DISPENSER 77 DISPENSER Capacity CU FT BOTTOM MOUNTED FREEZER BMF En SAMSUNG Product R REFRIGERATOR Label Location 3 PRODUCT SPECIFICATIONS Model RB1955SW SH VQ RB2155SW SH BB Type BMF 2 Door Temperature control Electronic control Total 18 7 20 4 Net Capacity reezer 5 9 6 5 ft Refrigerator 12 8 13 9 Net dimension WXDXH 32 3 X 28 3 X 69 9 32 3 X 30 3 X 69 9 Cabinet insulation CYCLO PENTANE Door insulation CYCLO PENTANE Cabinet A B S Door A B S Net
16. weight Ib 4 ELECTRICAL PART SPECIFICATIONS amp STANDARD ITEM STANDARD Model RB1955SW SH VQ RB2155SW SH BB Rated Voltage 115V Frequency 60HZ Model MK172C L2U Compressor Starting type RSCR Refrigerant R134a Oil Charge Freol 10 265 Freezer Split Fin amp Tube Type Evaporator Refrigerator Split Fin amp Tube Type Condenser Forced amp Natural Convection Type Dryer Molecular Sieve XH 9 Capillary tube 100 82 X L3000 Earth screw BSBN Brass screw Door switch AC125V 1 4A SSD 6D ELECTRICAL PART SPECIFICATIONS amp STANDARD STANDARD Type Temperature Selection ON F OFF F 14 12 0 16 0 Freezer F Sensor 2 0 4 F 8 F 10 F 6 F Type Temperature Selection ON F OFF F 34 F 36 F 32 F R Sensor 40 F 42 F 38 F 46 F 48 F 44 F First Defrost Cycle Concurrent Defrost of F and R Defrosting Defrost Cycle FRE Min 12hrs Max 22Hrs Defrost Cycle REF Min 6hrs Max 11Hrs Pause Time 10 2min Freezer Sensor Temperature Refrigerator 4hr 10min Refrigerator Sensor Sensor FRE Evap Sensor THERMISTOR 502AT SPEC 5 0KQ AT 77 F REF Evap Sensor Ambient TEMP Sensor Defrost Heater FRE 242W Drain Heater FRE 52W Defrost Heater REF 120W Drain Heater REF 38W Thermal Fuse for p
17. 10004 470urF 44 104 40107 35V Voltage Circuit used 12 DC 12 Relay Operation amp LED Display Vcc 5V Power around MICOM amp Sensor Detector 1 The input AC voltage drops to AC 8 volts on the transformer secondary side between D at CN 10 The rectified voltage passed through D101 104 becomes DC 5V through voltage regulator MC7805 REG1 This is supplied to the control board and sensor s circuits 2 The input AC Voltage drops to AC 15 volts on the transformer secondary side between 9 O CN 10 The rectified voltage passed through D105 D108 becomes DC 12V through voltage regulator MC7812CT REG2 This DC12V is supplied to the relay operation and LED display 10 2 Oscillator circuit It is designed for clock generation and time calculation for synchronizing transmission and reception on the logic elements inside the MICOM If the X TAL specification changes MICOM may make an error Port Oscillating Frequency The standard components should be used Xin 19 4 00MHz Xout 20 4 00MHz 0 5 Error 27 Circuit Descriptions 10 3 Reset Circuit IC02 KA7533 ou G fus 4 i RESET 07 VSS VASS Micom Port Voltage Vcc DC 5V Reset DC 5V 10 4 Door S W Sensing Circuit When the power is supplied to MICOM the reset circuit initializes RAM
18. 2155SH SPEC 1 DA91 01768C ASSY FOAM DOOR REF SNOW WHITE DA91 01768D ASSY FOAM DOOR REF BISQUE DA91 01768E ASSY FOAM DOOR REF BLACK DA91 01768F ASSY FOAM DOOR REF __ STAINLESS PLATINUM 3 DA71 40183C STOPPER DOOR LOW SNOW WHITE DA71 40183P STOPPER DOOR LOW BISQUE DA71 40183Q STOPPER DOOR LOW BLACK DA71 40183R STOPPER DOOR LOW STAINLESS PLATINUM 4 1 DA91 01767C ASSY FOAM DOOR FRE SNOW WHITE DA91 01767D ASSY FOAM DOOR FRE BISQUE DA91 01767E ASSY FOAM DOOR FRE BLACK DA91 01767F ASSY FOAM DOOR FRE STAINLESS PLATINUM 5 DA63 01052A GASKET DOOR SUB FRE 6 DA63 00926B GUARD REF UPP L 7 DA63 00927B GUARD REF UPP R 8 63 01262 GUARD REF MID 9 DA63 01263A GUARD REF LOW 10 DA61 00365B GUIDE BOTTLE 11 DA61 00378A HINGE UPP ASSY 12 DA61 00361A 13 DA63 50145A SHIM HINGE UPP 14 DA67 00546A CAP HINGE UPP SNOW WHITE DA67 00546G CAP HINGE UPP BISQUE DA67 00546H CAP HINGE UPP BLACK DA67 00546J CAP HINGE UPP STAINLESS PLATINUM 15 0 61 10153 HINGE MID ASSY 16 DA61 10142C HINGE MID 17 DA63 50139C SHIM HINGE 18 DA97 00352X ASSY COVER CONTROL PANEL SNOW WHITE DA97 00352Y ASSY COVER CONTROL
19. 40 5V power Is main PCB connector insertion correct Is MICOM pin 31 voltage high 5V Force running R fan is normal Check refrigerator temperature Exchange door s w Exchange in leads MICOM PCB Re insert connector CN 71 Exchange PCB MICOM leads Check relay check IC06 13 and exchange main PCB ass y 40 11 6 If the compressor cooling fan motor doesn t work Is COMP activating Force running s COMP cooling fan ON condition in Y accordance with exposed temperature Fan ON condition is for a replacement N N Is MICOM pin 15 5V high power Exchange in leads MICOM PCB Is IC06 11 low Exchange PCB MICOM leads Is relay RY74 normal Check and fix PCB s the contact of connector N CN 70 normal i Y Re check contact of connector CN70 Check condition of line set up 41 11 7 No defrosting 1 Although both F R defrost sensors have short circuit a normal operation continues without a defrost cycle Refer to self diagnostics function 2 When the temperature fuse is open there is no heating and a defrost occurs naturally by the compartment temperature increase and eventu
20. 487 1 549 27 4 61480 4 301 28 4 14450 2 955 84 2 4329 1 511 25 6 58430 4 269 30 2 13860 2 904 86 0 4179 1 474 23 8 55550 4 237 32 0 13290 2 853 87 8 4033 1 437 22 0 52840 4 204 33 8 12740 2 801 89 6 3894 1 401 20 2 50230 4 170 35 6 12220 2 750 91 4 3760 1 366 18 4 47770 4 134 37 4 11720 2 698 93 2 3631 1 332 16 6 45450 4 098 39 2 11250 2 647 95 0 3508 1 298 14 8 43260 4 061 41 0 10800 2 596 96 8 3390 1 266 13 0 41190 4 023 42 8 10370 2 545 98 6 3276 1 234 11 2 39240 3 985 44 6 9959 2 495 100 4 3167 1 203 9 4 37390 3 945 46 4 9569 2 445 102 2 3062 1 172 7 6 35650 3 905 48 2 9195 2 395 104 0 2962 1 143 5 8 33990 3 863 50 0 8839 2 3462 105 8 2864 1 113 4 0 32430 3 822 51 8 8494 296 107 6 2770 1 085 2 2 30920 3 778 53 6 8166 2 248 109 4 2680 1 057 0 4 29500 3 734 55 4 7852 2 199 111 2 2593 1 030 1 4 28140 3 689 57 2 7552 2 151 113 0 2510 1 003 3 2 26870 3 644 59 0 7266 2 104 114 8 2429 0 977 5 0 25650 3 597 60 8 6992 2 057 116 6 2352 0 952 6 8 24510 3 551 62 6 6731 2 012 118 4 2278 0 928 8 6 23420 3 504 64 4 6481 1 966 120 2 2206 0 904 10 4 22390 3 456 66 2 6242 1 922 60 ircuit Diagram 11 PCB C ql pork TS Le T E b Mer gt
21. 63 00924A COVER LAMP FRE DA63 00923A COVER LAMP FRE 21 DA47 00069C LAMP HOLDER 22 DA32 10105S SENSOR ASSY ASSY SUPT FREE 23 4713 001035 LAMP INCANDESCENT 24 DA97 00390D COVER EVAP RE FRE ASSY 25 DA63 00903A COVER EVAP REAR 26 DA61 00081B CASE MOTOR 27 DA31 00019A FAN PROPELLER 28 DA31 00002V MOTOR FAN 115V 60H2 29 DA63 00771A GROMMET FAN MOTOR 30 DA97 00195D DRAIN PLATE FRE ASSY 49 lllustrated Parts Catalog 12 2 Refrigerator 50 Illustrated Parts Catalog Parts List of Refrigerator OPTION NO CODE NO PART NAME EE E SPEC 1 DA97 00681A CASE VEG ASSY DA97 00681B CASE VEG ASSY 2 DA63 01270A COVER VEG 3 DA64 00656A KNOB HUMIDITY 4 DA66 10104A ROLLER FRE 5 DA71 20145A FIXER ROLLER 6 DA61 00761A RAIL VEG MID DA61 00760A RAIL VEG MID 7 DA97 00663A COVER VEG ASSY DA97 00663B COVER VEG ASSY 8 DA64 00449A TRIM COVER VEG DA64 00448A TRIM COVER VEG 9 DA67 00505L SHELF GLASS COVER VEG DA67 00505M SHELF GLASS COVER VEG 10 DA97 00664A SHELF REF MID ASSY DA97 00664B SHELF REF MID ASSY 11 DA97 00664C SHELF REF UPP ASSY DA97 00664D SHELF REF UPP ASSY 12 DA64 00450A TRIM SHELF REF SHELF MI DA64 00451A TRIM SHELF REF SHELF MI 13 DA67 00505J SHELF GLASS SHELF MI
22. D BYTHE USE MISUSE OR INABILITYTO USE THIS PRODUCT REGARDLESS OF THE LEGAL THEORYON WHICH THE CLAIM IS BASED AND EVEN IF SAMSUNG HAS BEEN ADVISED OF THE POSSIBILITYOF SUCH DAMAGES NOR SHALL RECOVERY OF ANY KIND AGAINST SAMSUNG BE GREATER IN AMOUNT THAN THE PURCHASE PRICE OF THE PRODUCT SOLD BYSAMSUNG AND CAUSING THE ALLEGED DAMAGE WITHOUT LIMITING THE FOREGOING PURCHASER ASSUMESALL RISK AND LIABILITY FOR LOSS DAMAGE OR INJURYTO PURCHASER AND PURCHASER S PROPERTY AND TO OTHERS AND THEIR PROPERTY ARISING OUT OF THE USE MISUSE OR INABILITYTO USE THIS PRODUCT SOLD BY SAMSUNG NOT CAUSED DIRECTLY BY THE NEGLIGENCE OF SAMSUNG THIS LIMITED WARRANTY SHALLNOT EXTEND TO ANYONE OTHER THAN THE ORIGINALPURCHASER OF THIS PRODUCT IS NONTRANSFERABLE AND STATES YOUR EXCLUSIVE REMEDY Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state To obtain warranty service please contact SAMSUNG at SAMSUNG CUSTOMER CARE CENTER 400 Valley Road Suite 201 Mt Arlington NJ 07856 Tel 973 601 6000 Fax 973 601 6001 1 800 SAMSUNG 1 800 726 7864 and www SAMSUNGUSA com 061002 7 6 Interior Views and Dimensions _ 6 1 Shelves and Bins a gt Deli drawer Pull it out to disassemble
23. P RED RED CRI Om RELAY Load Remark COMP Defrost Heater on off Comp Operation Defrost Heater Power Off on on Comp off Defrost Heater Off off on Defrost Heater On Comp Power Off off off Comp Off Defrost Heater Off Will be activated according to the signal from MICOM Like the above block diagram operation of F R defrost heater is determined by the operation of the relay for COMP 31 Circuit Descriptions 10 8 Option Circuit 2 736 4 7 rb P76 Q 1 Ed pee Ba T r P60 ji em Be a pi Des Pog 0001 9 5 P61 Temperature and function values can be abjustable by using main PCB switching diode Note the values have been preset in factory If is recommended not to change the value arbitrarily When the option function is modified a power should be turned off and on again 1 Freezer Temperature Shift Unit F 2 Refrigerator Temperature Shift Unit F SHIFT D601 D602 D603 SHIFT D604 D605 D606 Reference Reference 1 0 1 0 2 0 2 0 4 0 4 0 6 0 6 0 u 2 0 2 0 4 0 2 4 0 6 0 46 0 32 Circuit Descriptions MAIN PCB DC TRANS 3 RED ON THERMAL FUSE GRY OA PTC 2 5 M COMPRESSOR O o C TE ald a DEFROST HEATE
24. PANEL BISQUE DA97 00352Z ASSY COVER CONTROL PANEL BLACK DA97 00352W ASSY COVER CONTROL PANEL STAINLESS PLATINUM 19 DA63 00909F COVER CONTROL PANEL SNOW WHITE DA63 00909J COVER CONTROL PANEL BISQUE DA63 00909K COVER CONTROL PANEL BLACK DA63 00909L COVER CONTROL PANEL STAINLESS PLATINUM 20 DA64 00444A BUTTON PCB L SILVER 21 DA64 00445A BUTTON PCB R SIVLER 22 DA63 00915A GASKET BUTTON PCB L 23 DA63 00916A GASKET BUTTON PCB R 24 DA41 00225A PANEL PCB 53 lllustrated Parts Catalog 12 4 Cabinet 54 Illustrated Parts Catalog Parts List of Cabinet CODE NO ed RB1955SW 2155SW ER RB1955SH 2155SH SPEC 1 DA61 10145D HINGE LOW 2 DA64 20138B TRIM PLATE ABSORBER 3 63 10262 COVER LEG SNOW WHITE DA63 10262R COVER LEG BISQUE DA63 10262S COVER LEG BLACK DA63 10262T COVER LEG STAINLESS PLATINUM 4 DAS34 00122D SWITCH DOOR 5 DA61 00758A CASE PCB PANEL 6 DA67 30218R CAP SCREW SNOW WHITE DA67 00322M CAP SCREW BISQUE DA67 00322N CAP SCREW BLACK DA67 00322G CAP SCREW STAINLESS PLATINUM 7 DA26 30111J TRANS POWER 8 2501 001045 C OIL 115V 9 DA63 01271A COVER PCB PANEL 250V 12uF 10 DA41 00128D PBA MAIN
25. R 7 F DRAIN HEATERA W F THERMAL FUSE DEFROST HEATER R_ O R DRAIN HEATER R THERMAL FUSE i PANEL PCB COMP COOLING FAN EARTH RY GRAY RG ORANGE F ROOM SENSOR R ROOM SENSOR DEFROST SENSOR F DEFROST SENSOR R F DOOR S W R DOOR S W 9690660090009 ROOM LAMP L Iw R ROOM FAN M YEL YELLOW BLK BLACK W BLK WHITE BLACK LAMP W RED WHITE RED EX XXX XX G5 9 X92 909 33 11 Diagnostics 11 1 If power is not ON At the power of main the 115V power and a high voltage over DC 170V occur Special care should be advised on repair and measurement DC Trans primary power input Check wires N Replace DC Trans N DC Trans secondary power input DC 12V output from REG102 Check REG102 MC7812 DC 5V output from REG1 Check REG1 KA7805 Are wires connected to panel securely To check the main PCB please apply descriptions of operation and references in the manual Reference 1 Check wire connection Panel PCB Ass y is OK Replace panel PCB Exchange main PCB 34 _ 11 2 If there is a trouble with self diagnosis 1 If the ambient se
26. ally it will cause a blinking of temperature 3 When both F R defrost sensors are open heating does not end The compressor remains off and a temperature fuse will be open Refer to self diagnostics function Start Does defrosting start if the forced d frost key is pressed 1 Does defrost sensor register 53 6 F Reference 8 9 WOE Measure resistance of defrost sensor Y Y Forced defrost stavting Are MICOM pin 13 14 HIGH 5V Y Replace 8 PCB R Defrost H 14 F Defrost H gt 13 Are IC03 pin 16 IC06 pin 10 LOW R Defrost H 10 F Defrost H 16 Y Replace 06 Defrost heater relay is OK Y Replace relay l l RY71 R Defrost H gt RY73 Reference 2 F Defrost H gt RY72 1 Cheek connector Evaporator temp fuse short circuited Defrost P cord short circuited Check wire connection Y Temperature fuse Y Replace EVAP ass y 42 Normal Replace the relative sensor Defrost sensor temperature is over than the finish temperature Reference 7 Measure defrost sensor resistance Micom pins 27 28 voltage is over than the finish temperature Replace temp detecto
27. ature Control To select a set temperature press the Refrigerator Temp button The display shown the set temperature from 34 F to 46 F in sequence 3 Child Lock Button When these two buttons are pressed at the same time for 3 sec the Power Freeze Power Cool Freeze Temp Refrigerator Temp are locked and can not be modified If you press the two buttons at the same time again for 3 sec the child lock function is cancelled note Because of the temperature sensor sensivity the refrigerator can be under and or over cooled when the air flow is blocked by stored foods Temperature range of the sensor 15 F 80 F In the event of a power failure if the freezer temperature is maintained lower than 41 F the last 9 3 Power Freeze Function and Power Cool Functions e Select the Power Freeze or Power Cool buttons separately e These buttons are toggled ON and OFF and the indicators as well Although you select Power Freeze or Power Cool the set temperatures in the freezer and refrigerator are not changed e The set temperatures for the compartments can be changed while these functions are in use 1 Power Freeze function 1 1 When you press the Power Freeze button the LED indicator lights right away but there is 10 seconds lag time to an actual operation When this button is pressed again the Power Freeze function stops and the indicator is off immediately 1 2 If you select Power Freeze both the compressor and the freezer fan run f
28. ch occurs in shipment delivery and installation applications and uses for which this product was not intended altered product or serial numbers cosmetic damage or exterior finish accidents abuse neglect fire water lightning or other acts of nature use of products equipment systems utilities services parts supplies accessories applications installations repairs external plumbing and leaks external wiring circuit breakers fuses or connectors not supplied and authorized by SAMSUNG or which damage this product or result in service problems incorrect electrical line voltage fluctuations and surges customer adjustments and failure to follow operating instructions cleaning maintenance and environmental instructions that are covered and prescribed in the instruction book loss of food due to spoilage consumable items including filters and light bulbs THERE ARE NO EXPRESS WARRANTIES OTHER THAN THOSE LISTED AND DESCRIBED ABOVE AND NO WARRANTIES WHETHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITYOR FITNESS FOR APARTICULAR PURPOSE SHALLAPPLYAFTER THE EXPRESS WARRANTY PERIODS STATED ABOVE AND NO OTHER EXPRESS WARRANTY OR GUARANTY GIVEN BY ANY PERSON FIRM OR CORPORATION WITH RESPECTTO THIS PRODUCT SHALLBE BINDING ON SAMSUNG SAMSUNG SHALL NOT BE LIABLE FOR LOSS OF REVENUE OR PROFITS FAILURE TO REALIZE SAVINGS OR OTHER BENEFITS ORANY OTHER SPECIAL INCIDENTAL OR CONSEQUENTIALDAMAGES CAUSE
29. chine compartment 2 Buzzer will sound to indicate the forced running DC TRANS Forced defrosting lest Switch This function is used to turn on the defrosting regardless of defrost time 1 Press the button during forced running Then R defrosting is performed 2 If the button is press during R defrosting F defrosting is also performed at the same time 3 If the button is pressed during R F defrosting test mode is released Running Capacitor PCB MAIN ASSY 59 Ref 7 Table of temperature sensor according to resistance and voltage conversion Voltage conversion table depends on H W structure of MICOM port input voltage ensor Short Micom OV Sensor Open Micom 5V x Sensor partial pressure resistance 10KQ Temp F Resistance 9 Voltage V Temp F Resistance 9 Voltage V Resistance Q Voltage V 43 6 98870 4 541 12 2 21410 3 408 68 0 6013 1 878 41 8 93700 4 518 14 0 20480 3 360 69 8 5792 1 834 40 0 88850 4 494 15 8 19580 3 310 71 6 5581 1 791 38 2 84150 4 469 17 6 18730 3 260 73 4 5379 1 749 36 4 79800 4 443 19 4 17920 3 209 75 2 5185 1 707 34 6 75670 4 416 21 2 17160 3 159 77 0 5000 1 667 32 8 71800 4 389 23 0 16430 3 108 78 8 4821 1 626 31 0 68150 4 360 24 8 15740 3 057 80 6 4650 1 587 29 2 64710 4 331 26 6 15080 3 006 82 4 4
30. de to operate the defrost cycles for both compartments 2 5 The beep sound continues for 3 seconds at that time then ON for 1 4 second and OFF for 3 4 seconds until the defrost operation cease 3 Cancellation 3 1 At the R F Defrost mode press ant button again on the ready mode to return to a normal operation 3 2 Simply unplug the power cord then plug it again to return to a normal operation 22 Operation Function 9 7 Power failure compensating function 1 When the freezer temperature is lower than 50 F all functions on the display panel will be restored 2 When the freezer temperature is higher than 50 F all functions will be initialized 2 F for the freezer 38 F for the refrigerator and Cubed for the Ice Type 9 8 Exhibition Function This function is for a display purpose on the floor of show room or store 1 Mode ON OFF 1 1 For the exhibition mode press Power Freeze and Freezer Temp buttons simultaneously for 5 seconds until a ding dong sounds 1 2 Press the same time buttons again for 5 seconds to cancel this mode put with a ding dong sound 2 Operation 2 1 Most of the system function except the compressor operation are working properly 2 2 There is no defrost cycle in this mode 9 9 Self Diagnostics function 1 Self Diagnostics in the initial Power ON 1 1 The control board performs a self diagnostics test within 1 second and check out the temperature sensors abilities If a se
31. digit Led ON when F heater activation is included I 10 F Lamp a FREEZER 10 digit Led ON when F lamp activation is included 11 R Lamp b FREEZER 10 digit Led ON when R lamp activation is included x 3 4 and 5 only explains the system operation states according to the ambient condition 9 11 C Fan Motor Delay Function of the Machine Compartment According to the ambient temperature the condenser fan located in the machine compartment is operated with different modes Ranges of ambient temp Operation C FAN Above 66 F C FAN ON as soon as the compressor is on Delay function 61 F 65 F C FAN is ON with 5 minutes delay from the compressor on Below 60 F C FAN is OFF regardless of the compressor operation 25 10 Circuit Descriptions 10 1 Source Power Circuit 27 10 2 Oscillator Circuit 419515305 94 979 PAPER EE Y QR 27 10 3 Reset ABYC ESOL 51431564 unas Edo 28 10 4 Door S W Sensing Circuit 9 82244444 28 10 5 Temperature Sensing Circuit o nem 29 10 6 Key Scan arid Display Circuit 6143 7594 30 10 7 Load Driva Circuit s 23 3 5 31 10 8 Option esera DE wq ue dubie et 32 26 Circuit Descriptions 10 1 Source Power Circuit that 7810 D106 REG2 47 c105 C106
32. exposed by water p gt Bundle wires tightly in order not to be detached by the external force e On repair remove completely dust particles or other things on housing parts harness parts and connectors gt gt Cleaning may prevent fire by tracking or short e Check if there is any trace indicating the infitration of water on electrical parts D If there is a trace change the related components or do the necessary action such as taping using the insulating tape e After repair check the assembled state of parts p gt It must be the same assembled state as before e Check the surrounding conditions of the installed refrigerator p gt When the refrigerator is located at humid or wet place or the installed state is unstable change the location If needed do the ground Especially if there is a possibility of the electric leakage this appliance must be properly grounded e Do not allow consumers to use one outlet for several plugs e Check if the power cord is placed under other appliance and so was damaged worm out and squeezed Repair defective power plug or outlet immediately sure that the power cord is not placed under other appliance or squeezed e Do not allow consumers to keep bottles or the likes in the Freezer or to keep foods in unstable position e Do not allow consumers to repair the appliance by themselves e Do not allow consumers to keep other chemicals except food r Medicines a
33. gerator Lid eoo o oe or te reges A d ed asss 14 Freezer Light os va Se rg sot nata eb aeo ee edited 14 Evaporator Cover in the Refrigerator e e o eee 15 Evaporator Cover in the Freezer 16 Evaporator in the Freezer sina cooks 883 KE 17 Evaporator in the Refrigerator 17 Machine Compartment amp Electric ee 18 Mechanical Disassembly Control Panel 1 Remove the screws 2 Pull out the control panel 3 Disconnect the wire connector Mechanical Disassembly N Always unplug the power cord before replacing the refrigerator lamp There is the danger of electric shock Warning Refrigerator Light Freezer Light 1 Remove the screw 1 Remove the cover by pressing the bottom tab 2 Remove the lamp cover by unlocking the tabs and pulling the cover down 2 Replace the lightbulb by turning it counter clock wise 3 Replace the lightbulb by turning it counter clockwise 3 Reattach the cover and check the lamp by pressing door switch 4 After replacing the bulb reattach the cover and the screw it again 5 Plug the power cord in and check the lamp by pressing the R door switch Mechanical Disassembly Evaporator Cover in the Refrigerator 1 Remove all shelves and drawers from the refrigerator 6 Disconnect the wire connector
34. heck SUB PCB power input s power suppling to SUB PCB input Is power suppling to DC part C2 of rectifier Fluorescent LAMP normal Exchange LAMP Exchange SUB PCB 47 12 Illustrated Parts Catalog 12 1 Freezer 48 Illustrated Parts Catalog m Parts List of Freezer NO CODE NO PART NAME E cm Mom SPEC 1 DA67 40203N TRAY ICE ASSY 2 DA67 40182A TRAY ICE 3 DA97 00682A TRAY FRE UPP ASSY DA97 00682B TRAY FRE UPP ASSY 4 DA63 01260A COVER TRAY FREE UPP 5 DA97 00683A TRAY FRE MID ASSY DA97 00683B TRAY FRE MID ASSY 6 DA63 01272A COVER TRAY FREE MID 7 DA97 00684A TRAY FRE LOW ASSY DA97 00684B TRAY FRE LOW ASSY 8 DA63 01259A COVER TRAY FREE LOW 9 DA66 10104A ROLLER FRE 10 DA71 20145A FIXER ROLLER 11 DA63 00904B TRAY ICE CUBE DA63 00922B TRAY ICE CUBE 12 DA97 00181A COVER EVAP FR FRE ASSY 13 DA97 00192F EVAP FRE ASSY 14 DA47 00095E ASS Y FUSE 77 EVAP FRE ZS0V 15 DA32 00006C SENSOR ASSY EVAP FRE 16 DA97 00122E ASSY SUPT FREE 110 1501 DA97 00122F ASSY SUPT FREE 17 DA61 70114B SUPPORT FREE L 18 DA61 70115C SUPPORT FREE R 19 DA63 40006A GROMMET RAIL ASSY SUPT FREE 20 DA
35. nd other materials for research This appliance will not maintain the precisely constant temperature for them r Volatile material Alcohol Benzene Ether LP gas etc possibility of explosion 56 Appendix I Reference for circuit diagnostics Ref 1 Wire connector on the cabinet door BLK BRN RED MAIN ORG PCB PNK BLU PUR GRY S BLU W BLK W RED GGG 6 6 CN50 BLK BRN RED ORG YEL PNK BLU PUR GRY S BLU W BLK GIG 6 0 9 6 GG 6 P W RED PANEL PCB Ref 2 How to check relay failure O clo FRA Coil termina Coil terminal CON70 MAIN PCB CN71 Measure after separation items Disconnect the wire connector from the main PCB CN70 71 and measure the following 1 Measure the coil bisection of the relay and check whether it works 2 Measure the apex bisection for open circuit Category Voltage of coil Judge terminal 2 C NO SHORT 3 contact DC 12V Operation terminal Relay NO DC OV Standstil
36. nge PCB 15 cover connector insertion correct Re insert connector check any default 5 main PCB connector N insertion correct Re insert main PCB connector check any default N Is panel PCB connector insertion correct Re insert panel PCB connector check any default Exchange panel PCB 45 4 When a button of the digital panel is not selected START Is cover connector inserrtion of hinge upp correct Re insert connector check default of contact Is main PCB connector cn50 insertion correct Re insert main PCB connector check delault of contact Is panel PCB connector insertion correct Re insert panel PCB connector check default of contact Are their any N pressed panel buttons Reassemble of panel PCB cover 1 Y Exchange panel PCB 46 1 Is the power cord connected to a wall outlet correctly 2 Be careful of high voltage high frequency discharge from the electronic ballast 5 If the lamp of refrigerator fails to light Replace door switch check main wire N Is main pcb relay normal RY75 Y Check relay exchange main pcb Fluorescent LAMP SUB PCB Exchange LAMP N Check connector and wire N C
37. nsor failure occurs a corresponding LED segment will blink When a LED segment blinks only the cancellation function Press Power Freeze and Power Cool buttons simultaneously for 8 seconds is acceptable 1 4 After a replacement of bad sensor or a cancellation of this function this self diagnostics will end mk 2 3 2 Self Diagnostics in the normal operation 2 1 To select this function press Power Freeze and Power Cool buttons simultaneously for 5 seconds with an audible tone 2 2 In the self diagnostic mode only corresponding LED segments will be illuminated see the check list on 2 3 After a 30 second illumination of error signal the system will return to the normal operation 23 Operation Function Table 1 Display table of self diagnosis No Item LED Display Details Remarks 1 R sensor REFRIGERATOR Connector contact failure Suspected to be below 58 F E Short circuit to be over 150 F 2 R defroster REFRIGERATOR Connector contact failure Suspected to be below 58 F sensor euh 4 Short circuit Suspected to be over 150 F 3 Outer sensor FREEZER Connector contact failure Suspected to be below 58 F E Short circuit Suspected to be over 150 F 4 F sensor FREEZER Connector contact failure Suspected to be below 58 F FS Short circuit Suspected to be over 150 F FREEZER 22 Suspected to be below
38. nsor has trouble Start Exchange Exchange ambient sensor Check short lead etc Check short lead etc Exchange Main PCB 2 If the temperature sensor of the refrigerator has trouble Start Is refrigerator sensor normal temperature sensor 5 PCB connector CN30 framed condition normal Connector default in connection re insert 5 main PCB connector CN30 sensor connected normall yellow Check connector if there is a break in a electric circuit Is MICOM pin 29 of voltage normal Check shorts leads etc Exchange main PCB 35 3 If the defrost sensor of the refrigerator has trouble Start Is refrigerator defrost sensor normal Exchange defrost sensor s main PCB connector CN30 ramed condition normal Connector default in connection re insert s main PCB connector CN30 sensor purple connected normally Check connector if there is a break in a electric circuit Check shorts leads Is MICOM pin 27 of voltage normal Exchange Main PCB 4 If the temperature sensor of the freezer has trouble Start 5 freezer senso
39. nute 2 3 The beeps will cease immediately when the doors are closed 9 5 Defrost Function 1 A defrost is determined based on the accumulated compressor on time 2 When the power is engaged for the first time the defrost cycle for the freezer and the refrigerator will begin after 4 hours of the accumulated compressor on time 3 A defrost interval depends on the ambient temperature the number of door openings and the door open time 4 The defrost cycle is composed of a pre cool process F Fan and COMP for 30 minutes a heating process and a resting for 8 12 minutes to drain 5 A minimum interval is 6 hours and a maximum is 11 hours for the refrigerator and 12 hours and 22 hours for the freezer respectively 6 When the system runs only for the refrigerator R Fan and COMP and if the refrigerator can not reach the set 21 Operation Function 9 6 Forced Operation function Power cool key Refrigerator Temp 8sec This function enables a pull down mode defrost mode for the refrigerator only a defrost mode rigerator at the same time and a cancellation of this function e Press Power Cool and Refrigerator Temp buttons for 8 seconds simultameously to get in the ready mode for a forced operation e The display panel will return to normal after 15 seconds in the ready mode e Atthe ready mode press any button once to start a pull down operation twice for a defrost cycle for the refrigerator three times for a
40. or 2 hours continuously 1 3 During Power Freeze the freezer retains the current settings 1 4 When Power Freeze expires the indicator goes off and the freezer set temperature will be restored 2 Power Cool function 2 1 Power Cool operation and the indicator work exactly same as the Power Freeze function 2 2 When Power Cool is selected COMP and R FAN operate continuosly until the refrigerator reaches 25 F This function will be terminated after 2 hr running 20 Operation Function 3 When you select Power Freeze and Power Cool together Each function works at the same time The COMP and F FAN run continuously and the R FAN runs until 25 F in the refrigerator 4 Initial Power On 4 1 When the freezer and the refrigerator temperatures are higher than 14 F and 50 F respectively if Power Freeze is selected then the R FAN will be off If Power Cool is selected then the F FAN will be off 4 2 When both functions are selected there is no benefit of fast cooling for each compartment 9 4 Sound Function 1 Sound function 1 1 To make sure a command input whenever a button is pressed a ding dong sounds 1 2 When two or more buttons are pressed simultaneously or if a wrong button is pressed there is no sound 2 Door Open Alarm 2 1 When the doors remain open for 2 minutes there are 10 times beeps 2 2 If the doors continue to remain open more than 2 minutes the additional 10 beeps interval will change to 1 mi
41. r amp PCB Reference 7 Measure defrost sensor resistance Replace PCB 43 1 1 8 Alarm continuously 1 Alarm begins after 2 minutes when the door is open and runs in every 2 minutes 2 If the door is not closed properly MICOM will indicate that the door is open and alarm continues If the alam goes for 10 minutes the light in the compartment will be off and not be on in the situation that the door opens 1 If melody sounds continuously START D 15 cover connector inserrtion of hinge upp correct Re insert connector check default of contact Is main PCB connector cn50 insertion correct Re insert main PCB connector check default of contact Is panel PCB N connector insertion correct Re insert panel PCB connector check default of contact Are their any N pressed panel buttons Y Reassemble of panel PCB cover Exchange panel PCB 44 2 If beep sounds continuously Start Didn t select force defrost or force running Cancel defroster activation force running Does it still beep after when switched again Test s w part check leads 3 When the digital panel PCB does not light PCB normal Start Is main PCB 12V correct Check REG2 excha
42. r normal Exchange freezer sensor 5 main PCB connector CN30 ramed condition normal Connector default in connection re insert Check connector if there is a break in a electric circuit Check shorts leads etc 5 main connecto CN30 sensor blue connected normally s MICOM pin 30 of voltage normal Exchange Main PCB 36 5 If the defrost sensor of the freezer has trouble Is freezer defrost sensor normal Exchange defrost sensor s main PCB connector CN30 ramed condition normal Connector default in connection re insert Check connector if there is a break in a electric circuit Check shorts leads etc s main PCB connector CN30 sensor orange connected normally Is pin 28 of voltage normal Exchange Main PCB 37 Diagnostics 11 3 If the compressor is not working properly 1 A compressor does not operate within 5 minutes after compressor is OFF 2 A compressor does not run during defrost period 3 A compressor does not run because a low temperature is detected if freezer and the refrigerator sensor are not connected 15 compressor operated by force running Force running Replace amp PCB Replace 1 03 8 PCB y Replace relay Reference2
43. reventing overheating of Freezer Defrost Heater AC250V 10A 77 5 C Thermal Fuse for preventing overheating of Freezer Defrost Heater Capacitor RUNNING RSCR 250VAC 12uF Over Load MODEL 4TM437RHBY Y 53 Protector TEMP 13045 STARTING TEMP OFF 699 MODEL J531Q33E100M200 2 Heater Electrical parts Fuse RELAY OPERATION 10 20 FRE 153210 5 6 REF IS3208 SNP6H CIRCUIT IS3208 SCH6A FREJNCANDESCENT 110V 130V 15W REF NCANDESCENT 110V 130 30W 5 WARRANTY INFORMATION SAMSUNG REFRIGERATOR 18 Cubic Feet and Larger Capacity LIMITED WARRANTY TO ORIGINAL PURCHASER This SAMSUNG brand product as supplied and distributed by Samsung Electronics America Inc SAMSUNG and delivered new in the original carton to the original consumer purchaser is warranted by SAMSUNG against manufacturing defects in materials and workmanship for a limited warranty period of One 1 Year Parts and Labor on Refrigerator Five 5 Years Parts and Labor on Sealed Refrigeration System Only Compressor evaporator condenser drier connecting tubing This limited warranty begins on the original date of purchase and is valid only on products purchased and used in the United States To receive warranty service the purchaser must contact SAMSUNG for problem determination and service procedures Warranty service can only be performed by a
44. t signal per 2 miliseconds comes out from Grid 1 7 A step DC12 volt peak will be generated periodically as follows 2mSec 14m Sec gt 12 Grid 1 o v Grid 2 v Grid 3 o Grid 4 t Grid 5 t Grid 6 Grid 7 30 Circuit Descriptions 10 7 Load Drive Circuit CN71 YW396 09AV RED 1 Most of relays can control the compressor heaters and several option functions 2 For the compressor 12 pin of MICOM signals HIGH 5V This signal enters to 2 of IC03 and 15 of output terminal will be on and grounded When the rely RY71 is switched to NO terminal a 115V power is supplied to the compressor If MICOM outputs LOW 0V the compressor will stop 3 If the RY71 is connected to NC RY72 and 73 for defrost heaters will be on and corresponding heater p CN70 QN YW396 09AV COMP S P2655A03 KID650094P Siu RY71 wo VSB12TB GRY Y Oq RIC NC 11 LT L JF DEF HEATER Micom F3AA012E GRY F THERMAL RY72 F DEF HEATER L nnni ara 5 9 4 pansies qo F3AA012E GRY R THERMAL e RY73 554 511 125 R DEF HEATER po GRY GRY CO S1P2653A03 KID65003A
45. tions 20 9 4 Sound Function ade eee peo a anro te ieee ees 21 9 5 Defrost Function 21 9 6 Forced Operation 22 9 7 Power failure compensating Function ne 23 9 8 Exhibition Function 2 5 eae ecce d hen ed 23 9 9 Self Diagnostics 23 9 10 Component Load Operation Function 24 9 11 C Fan Motor Delay function eee ees 25 Operation Function 9 1 Digital Panel Power Freeze Power Cool Freezer Child Lock Refrigerator Power Freeze Freezer Refrigerator Temp Temp INTERACTIVE 9 2 Temperature Control Function When the system power is initally engaged the default set temperature are 2 F for the freezer and 38 F for the set refrigerator respectively The numbers shown on the digital display panel stand for the actual compartments temperatures When the compartment temperatures go down so do the numbers on the display panel and finally they reach the set temperatures Once the system is stabilized the display temperatures are the set temperature 1 Freezer Temperature Control To select a set temperature press the Freezer Temp button The display shows the set temperature from 14 F to 8 in sequence 2 Refrigerator Temper
46. to a NTC type sensor F DEF SENSOR YEL Waele 9 1 R sensor measures resistance of CN30 MESI ISO between Q OHO 2 Freezer sensor measures resistance of CN30 e between D CN30 SMW250 09 WHT 3 R defrost sensor measures resistance of CN30 between 4 F defrost sensor measures resistance CN30 between 3 5 The measured value above is compared to the sensor specification and the temperature table in speciication found in the manual 58 Ref 5 Check Door S W Refrigerator Bulb 1 Open the door and check if the freezer lamp turns on 2 iss the an S W and check if the freezer R DOOR S W WHT amp turns off 3 Close the door and repeat 1 and 2 for Turf imme refrigerator door ELSE 4 If there is a problem check lightbulb and door S W 5 Check wire connection F DOOR S W Micom signal 1 Check if CN30 6 and 6 is 5V DC after closing the F R doors 2 Check if CN30 6 is OV DC when opening F door Check if CN30 is OV DC when opening R door 3 If there is problem check door S W and wire connection _ Ref 6 Forced Operation and Forced Defrosting Forced running This function is used to turn on the comp and fan immediately regardless of the temperature of freezer using the test button on the main PCB 1 Press the TEST button on the PCB after removing the main PCB cover in the ma
47. ve the evaporator 5 With a file score the capillary tube just 5 Take the same steps to seal the system as upstream of the soldered point Break off the mentioned earlier soldered section to help prevent solder from plugging the tube during soldering 6 Place a new evaporator and braze the suction and capillary tube to evaporator using silver solder Accumulator 7 Install a replacement dryer I 8 Evacuate and recharge the system using reasonable procedures Thermistor 17 Mechanical Disassembly Machine Compartment amp Electric Box 3 Mechine compartment assembly Make sure the power cord is unplugged before replacing any Condenser Warning electric components 1 Unplug the power cord Sub condenser Cooling fan Hot pipe entrance Condenser outlet Hot pipe outlet Seal sub cond R134a Sub condenser entrance Noise amp Vibration reduction rubber ompressor 4 Disassemble the electric box cover after removing the screws with a Phillips screwdriver 2 Remove the screws of the compartment cover Slide it up and take out from the refrigerator 5 Electric box assembly DC TRANS Switch Running Capacitor 18 9 Operation Function 9 4y Digital Panel es ee pate alae heey 20 9 2 Temperature Control Function s n n Bm 20 9 3 Power Freeze and Power cool Func
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