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Samsung RS2544 User's Manual

1. Wire Drawers Front Leg Cover 52544 2622 Model 52777 2666 Model RS2644 Model ith CoolSelectZone with CoolSelectZone Refrigerator Water Filter Dairy Compartment Light upper Wine Shelf RS2666 2777 Spill Proof glass Shelf Gallon Door Bin Light Switch Foldable Shelf RS2666 2777 Beverage Station RS2666 2777 Twin Deodorizer Lights lower Egg Container RS2644 2666 2777 CoolSelect Zone Drawer Chilled Bin RS2777 Door Bin Top Lips Fruit Drawers amp Vegetable Gallon Door Bins Interior Views and Dimensions 6 2 Dimensions of Refrigerator Inches 15 2 20 2 Beverage Station RS2666 RS2777 Dimensions Model Dimensions Model A 28 RS2544 D 41 2 852544 30 RS2622 2644 2666 27 17 49 2 RS2622 2644 2666 2777 B 35 RS2544 E 54 2 852544 37 RS2622 2644 2666 2777 56 3 RS2622 2644 2666 2777 1 97 RS2622 2644 2666 3 95 RS2544 2777
2. 34 23 9 Operation Function 9 1 Digital Panel Power Freeze Quick Ice SAMSUNG Power Cool Twin Cooling Power Freeze Freezer Temp m Fridge Temp Power Cool Freezer Temp Fridge Temp for RS2544 Filter Indicator i 2 Child Lock 9 RS2622 Type Ice Type id Es B E ps RS2644 Ice Water Power Freeze Quick Ice SAMSUNG Power Cool CoolSelect Zone RS Power Freeze FreezerTemp 8 Fridge Temp Power Cool or 2666 Freezer Temp 5 Fridge Temp RS2777 Q Filter Indicator Child Lock Q Child Lock Ice Type D B Water 9 2 Temperature Control Function When the system power is initally engaged the default set temperature are 4 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 Temperature Control To select a set temperature press the Fridge Temp button The display shown the set temperature from 34 F to 46 F in sequence note Because of the temperature sensor sensi
3. 7 Refrigeration Cycle and Cool Air Circulation Route 7 1 Refrigerant Route in Refrigeration cycle Compressor Sub condenser Side Cluster Pipe FRE Side Cluster Pipe REF Hot Pipe Dryer Capillary Tube Refrigerator Evaporator Freezer Evaporator Suction Pipe Compressor Refrigerator Evaporator SIDE CLUSTER PIPE ACCUMULATOR Freezer Evaporator Dryer Hot Pipe SS gt SUCTION PIPE SUB CONDENSER 4 apillary Tube Muffler Compressor Pd Hot Pipe 11 Refrigeration Cycle and Cool Air Circulation Route 7 2 Cool Air Circulation Freezer Refrigerator 8 Mechanical Disassembly 8 1 Refrigerator Disassembly Gohtrol Pahel REESE 14 Door Handle RR BR XS ex 14 Beverage Stallone eres Sem EUM uod noa M eue s oi 14 Door Gasket e ele eee beum eie e te s 14 Refrigerator Door Light te vom qos nns 15 Refrigerator Light MD PLI Ic TE C MM 15 Tempered Glass Shelf re eere de 15 Plastic Drawers in Refrigerator sue eed Me th 15 Gallon BIN RERO 15 Water Filter
4. 21 8 3 Machine Compartment Disassembly Machine Compartment amp Electrix 5 5 22 Water Sol noids REESE XS 22 Gondernser Fam 3555 oe ie eet UE th qae d 22 Subscotndersep 9 eed tS ESSA SMS Wee eu a 22 8 Mechanical Disassembly 8 1 Refrigerator Disassembly Control Panel 1 Insert a flat blade screwdriver on the slot as shown and unlock the tabs 2 Disconnect the wire connector in the back of control panel Backside Door Handle The door handles allow access into the refrigerator and freezer They are front mounted with Phillips head screws 1 With a small flat blade screwdriver press the small button and pull handle cover out 2 Remove the Phillips screws 8 3 Lift the handle with an in and upward motion until it disengages the locking tabs Pull the handle outward to remove it Beverage Station The beverage station allows access to the refrigerator without opening the refrigerator door 1 Open the door beverage station 2 With a small flat blade screwdriver take out the rubbercap then put it into the small hole and push the button inside 3 Take off its door Door Gasket The door gasket is a molded gasket set into a channel located in the door liner 1 Open the door 2 Grasp the gasket and pull in an outward motion until the molded ga
5. eee GUE Rh E m mg detis eg 16 Evaporator Cover in the Refrigerator 16 Upper DUCIWOLIC 25725 crece EROR CEDE ear far ee EO 16 Evaporator Fan Motor 16 Evaporator in Refrigerator MENO EN NN ER 48 ME 17 Refrigerator Thermistor merae enne Rec 17 CoolSelect Zone 17 8 2 Freezer Disassembly Door Binin uo RR ee ts 18 Freezer Door Light Ere oem oko hh tege n 18 Plastic Wire 18 Freezer ae o tea ee i 18 Dispenser amp Wee Maker Sx 18 Auger Motor Case aa 19 Freezer Light Shes ale ee oe lel le ud e um UE us 20 Evaporator GOVerll EIeeZep xor odor RR s rens yat ge 20 Upper DUCcIWOrIG aS C ES tmt umm es 20 Evaporator Fan Motor IRURE Y e aem EIER 20 Evaporator na AEERIRREZIDLLOILDILOLIILIIIIDIDTTPT 21 Freezer Thermistor m mi 0 21 Ambient Nemi Stoh 55 Sen 21 Ice Maker Thermistor
6. 47 11 3 If defrost function Y x See Ref 3 Check load in the manual Y x Make decision on the basis of ref 4 and 6 in the manual Y x See test function in the manual NO Y x Recheck the corresponding sensor for an error if it fails in return Reference If temp of F R defrosting sensor by the working of heater are over 50 F 63 F Y x See Load Drive Circuit section and Ref 2 How to check failure of relay NO ls F R defrosting sensor by self diagnosis normal Y Exchange and troubleshoot the corresponding sensor NO s F Room defrosting heater normal Y YES Check temp fuse Y breaking of heater wire contact of NO wire and so on s temp of the defrosting sensor below 23 F TERES NNNM YES Run forced operation fora specified period Y Perform forced defrosting for F and R room at a time 5 power applied to the NO respective defrosting heaters Does the system retumto ew operation after heating Qr a specitied period of ime YES Normal NO Recheck the connection terminal in Main PCB Check temp fuse breaking of heater wire contact of wire and so on Exchange or troubleshoot the failure relay or exchange PCB ass y 48 Y Repair the connection terminal 11 4 If there is a troubl
7. mm SAMSUNG Home Appliance Service SERVICE SIDE BY SIDE REFRIGERATOR Model 52544 52622 52644 52666 52777 SAMOO060 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 2002 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 1 Introduction tras aw eee ee D TEQUE T 4 D gt Installation Wee o EE d OE ones 5 3 Nomenclature reete th ee ERES SR EN Sex Sb dudes 6 4 Specifications 7 5 Warranty information 8 6 Interior Views and Dimensions e e e e e I 9 7 Refrigeration Cycle and Cool Air Circulation Route tte 11 8 Mechanical Disassembly e 13 9 Operation 23 10 Circuit Descriptions 37 11 Diagnostics s n n nn 46 13 Safety instruction on services e e 58 e Appendix Reference for circuit diagnostics vns 59 e Appendix
8. Op 9 Child Lock R DEFROST ERROR 1 T a EXIT SENSOR F SENSOR 40 F DEF ERROR p F FAN ERROR If any LEDs blink the corresponding sensors and C FAN ERROR components must be checked for an error 4 F DEFROST ERROR x Error items of self diagnostics NO Error items LED Display Details Remarks SEGMENT sensor connector missing contact Indicate Error when the temperature sensed by 01 I M SENSOR H H failure electric wire cut short circuit I M sensor is higher than 150 or lower than JUYN sensor failure and so on 58 F RE EMEN REF sensor connector missing contact Indicate Error when the temperature sensed by 02 R SENSOR H failure electric wire cut short circuit R R sensor is higher than 150 or lower than sensor itself failure and so on 58 F EE SEGMENT REF evaporator internal defrosting sensor Indicate Error when the temperature sensed by REF DEFROST 1 1 7 connector missing contact failure electric chi 03 SENSOR H wre cut Shot olt sensor itself failure 4 sensor is higher than 150 or lower than YU UA and so on 58 E OOMEN R Fan motor operation failure feedback signal line contact failed electric wire cut preron Jam short circuit and so on P put REF SEGMENT 05 function rj Ice ejector and level failed three times ERROR H H or more CoolSelect Z SESMENN CoolSelect Zone sensor connector
9. Y Replace REG1 KA7805 ls normal the load such as Ne relay Check the connections between door and panel PCB Y 1 Check the assembly of electric wires and troubleshoot NO 5 there any PCB soldering short or broken Normal 46 2 Replace the panel PCB 1 Replace the corresponding relay 2 Check lead wire for contact 11 2 If the compressor and cooling fan motor don t work normally Start NO Did 5 min pass after COMP OFF Y Check after a lapse of 5 min Does compressor work YES with forced operation Did buzzer sound on forced operation Check certainly after forced start Apply Ref 4 Is freezer sensor normal HO Is MICOM No 18 High 5V Open and repair the connection NO Exchange MICOM and PCB Is the temp sense of main PCB Normal NO 5 the voltage 011003 pin No 14 between 0 1 V Troubleshoot the YES sensor and Exchange Exchange and repair 1003 YES Open and troubleshoot the PCB ULN2803 connection NO Apply Ref 2 Is COMP relay normal Exchange or troubleshoot TER COMP relay Y Insert connector completely Y Exchange and repair COMP assembly NO 5 the contact of connector CN70 normal YES NO Is COMP assembly normal Normal
10. 5 signal of Q80 NO Base ouputted with 1 sec intervals in the condition above YES Y Did lead of a YES Y Replace the main PCB failure of MICOM Check the state of pattern connection between MICOM No 21 and Q801 Check Open Short component fall on the vibration plate of buzzer No The main PCB and buzzer are normal 51 Y Poor buzzer is broken down or replace the buzzer 1 Where lighting of the panel PCB is disabled or only some lamps are disabled 6 Start ls the connector NO 11 6 If the panel PCB is not working normally x See Ref 1 View of the of upper hinge cover inserted connection cabinet door normally for the wire assembly in YES the manual Is the main PCB NO connector CN50 inserted Y Reinsert the connector Troubleshoot poor contact normally YES ls the connector of door panel PCB connector inserted normally NO YES YES 5 lighting operated Reinsert the connector in the main PCB Reinsert the connector Troubleshoot poor contact normally when the exchange of panel PCB NO 1 Check the door wire of freezer the disconnection 0 wire short between wires 2 Check the CABI wire of freezer the disconnection of wire short between wires 3 Check the panel lighting circuit
11. Freezer Light The freezer light is located in the bottom of the Upper Ductwork 1 Remove the screw cap and screw auger motor case The light is covered by an opaque 2 Slide the upper fan ductwork out while cover disconnecting the wire connector Lamp and 1 Remove the screw and the light cover Thermistor Evaporator Cover in Freezer 1 Pull out the screw caps and remove screws 6 2 Remove the ductwork of the evaporator fan in the direction of the arrow as shown 3 Disconnect the wire connector The evaporator fan is located in the lower rear of refrigerator This fan circulates cold air in the refrigerator 1 Remove screw 4 located at the four corners of the fan bracket 2 Take the fan motor assembly off 20 Mechanical Disassembly Evaporator in Freezer Evaporator is located in the bottom of freezer to produce cold air driven across the evaporator coils 1 Take off the ductwork in Freezer 2 Disconnect the wire connector Heater Bimental and Thermistor 3 Desolder the inlet and outlet tubes 4 Remove the evaporator 5 Take the same steps to seal the system as mentioned earlier Ambient Thermistor The ambient thermistor is located inside the upper hinge cover It sends temperature signals to the micro processor Freezer Thermistor Accumulator Bimetal o WSOP AEN CAMs TTE WINE
12. Iri Nus REI DISER WAR LOI TAN ATER D Only for Best Model T RED OO j zo C RED px z DE DICT TIO TRUE TR E b sepes fst Tos Tos Id eri ca Rep edid ada im mai du uc us ali rm ada aal B m 1 geret D CoolSelect Zone PANEL L z UP iQ EL C e E T LM24 KA324 uasa nne D TA TP 2625403 TULNZBO3 1 91 2a M qx i MAKER OPTION 10t 204 p i 5 B UE 9 85 81 T WA 2 CL H A a 0 0 o m oom EI 65 ELECTRONICS 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 2003 5 Printed in Korea Code DA82 00001D
13. function Press the Power Freezer Quick Ice button twice to cancel the Power Freeze Quick Ice use this function energy coconsumption will increase Please turn off when not using this function note When the Power Freeze Quick Ice is selected it enables maximum ice making output The ice making interval is reduced from 90 mins to 55 mins 55 mins will pass after supplying water if the ice temperature is kept lower than 14 F the ice tray will be twisted 1 3 The set temperature of the freezer will be retained as current settings during this function 1 4 When Power Freeze Quick Ice 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 Compressor and R FAN operate continually until the refrigerator reaches 25 F This function will be terminated after 2 1 hr running 3 When you select Power Freeze and Power Cool together Each function works at the same time The Compressor and F FAN run continually and the R FAN runs until the refrigerator reaches 25 F 4 Initial Power On 4 1 In the initial operation under the condition that the freezer and the refrigerator temperature is higher than 14 F and 50 F the Power Freeze is selected the R FAN will be turned off or If Power Cool is selected the F FAN will be turned off 4 2 When both func
14. Appendix Reference for circuit diagnostics Ref 3 Check a load ur Unplug the powercord and disconnect the A main PCB CN70 and CN71 the measure the follows THERMAR FUSE Cy CI FDEFROST HEATER 99 3 0 me THERMAR FUSE 9 99 Em 9 9 1 As shown in table below measure the zl eg resistance between terminals check load e 5 trouble and wire connection error TA HEATER a 2 The diagram of circuit was drawn based on the t HEATER 4 maximum load When a repair is needed see a ae a een the electric wiring diagram on the back of 4 el o refrigerator to troubleshoot the corresponding e AUGER MOTOR 3 8 mo el cue SOLENOD VANE 3 For safety you must turn the power off Load Measurement Terminal Value Contents 09 Temperature fuse heater wires short trouble Freezer Def heater between CN 13 ae and CN70 7 Q Temperature fuse heater wires disconnection trouble 09 Temperature fuse heater wires short trouble Ref Def heater between 0570 aw 9 and CN 0 7 Q Temperature fuse heater wires disconnection trouble 1 Beverage Station heater H ires sh dc iud between CN70 09 eater wires short tr
15. Reassemble the PCB ass y Enforce the cancellation of pressed keys Y Reassemble the PCB asswmbly and Enforce the cancellation of pressed keys 5 lighting operated YES normally after the exchange of panel PCB NO 5 a periodical wave NO Y Panel PCB has trouble for itself form outputted from the main PCB IC9 YES 1 Check the wires of CoolSelect Zone check the disconnection of wire short between wires 2 Check Short Open the Lighting Circuit section of CoolSelect Zone panel in the main PCB 3 Check the short of main PCB in CoolSelect Zone Check the wire assembly 54 Y 1 Replace the main PCB 2 Check the wire shorts of CoolSelect Zone panel 11 9 If the lamps of freezer refrigerator does not light 1 When you are exchanging the lamp of freezer please exchange or troubleshoot it with the power OFF to avoid an electric shock 2 Please keep in mind you do not get burnt by the excessive heating of an incandescent light bulb C Start 3 YES Is the inside lamp filament cut How to check Separate the door S W and measure its resistance with a measure As the result every Open Close of the door S W should turn 0 respectively 1 Where 0 alone comes out Door S W has Short Y Exchange or troubleshoot the inside lamp Y NO Does the F door S W have a normal cont
16. Table of Set Point Shift Function 1 Shift the freezer temperature sensor Reference Value 0 Code Temp shift Code Temp shift 0 0 8 1 0 F 1 1 0 F 9 2 0 F 2 2 0 F 10 3 0 F 3 3 0 F 11 4 0 F 4 40 F 12 5 0 F 5 5 0 F 13 6 0 F 6 60 F 14 7 0 F 7 7 0 F 15 8 0 F 34 Operation Function Example If you are lowering the current temperature of the freezer by 6 0 F Power Freeze Quick Ice SAMSUNG Power Cool Freeze Tomo Freezer Temp Fridge Temp Fridge Temp ce Type LU Code Reference value 2 Shift the refrigerator temperature sensor Reference Value 1 Code Temp shift Code Temp shift 0 0 8 1 0 F 1 ATE 9 20 2 2 0 F 10 3 0 F 3 3 0 F 11 40 F 4 40 12 5 0 F 5 5 0 F 13 6 0 F 6 6 0 F 14 7 0 F 7 7 0 F 15 8 0 F Example If you are raising the current temperature of the refrigerator by 3 0 F Power Freeze Quick Ice Freezer Temp Ice Type SAMSUNG Power Cool Freezer Temp pf Fridge Temp Fridge Temp Child Lock Hold 3 secs t Code 35 t Reference Value Operation Function The following options is limited to a model with the Ice Maker 3 Adjust the time to supply water for the ice maker Reference Value 3 Code Time to supply water 0
17. i x n TH HB Ice MakerThermistor ih The thermistor is located in its bottom The temperature signal sends the micro processor pv ve meme en SS Thermistor Freezer Thermistor The freezer thermistor is located at the top left of freezer vent It sends temperature signals to the micro processor Thermistor Ice Maker 21 Mechanical Disassembly 8 3 Machine Compartment Disassembly Machine Compartment amp Electric Box 1 Disconnect the power cord of the refrigerator 2 Remove the fixed screws 6 of compressor cover ui 3 U see the machine compartment 4 Press the tab in electric box cover to take out by using a flat blade screw driver driver e os PCB MAIN ASSY Water Solenoids When the solenoids receive a signal from the micro processor they supply water to the water dispenser or the ice maker 1 Remove bracket screw 1 on electric box 2 Take the solenoids assembly out 3 Slide up and take off the compressor cover to 3 Disconnect water tubes 3 Condenser Fan The condenser Fan is located in the middle of machine compartment It cools down the sub condenser and the compressor 1 Disconnect the condenser fan wire 2 Remove screw 1 on the drain water tray 3 Take the condenser fan assembly off Sub condens
18. 5 sec 1 4 sec 2 3 sec 3 6 sec 4 7 sec 5 8 sec 6 9 sec 7 10 sec 8 12 sec 9 13 sec 10 15 sec 11 17 sec 12 19 sec 13 21 sec 14 23 sec 15 25 sec 4 Shift the Ice maker temperature sensor Reference Value Code Ice maker temperature sensor 14 F 12 F 10 5 F 8 5 F 16 F 17 F 19 F oO wo ml 21 F 36 5 Shift the CoolSelect Zone temperature sensor Reference Value 20 Code CoolSelect Zone temperature sensor 1 0 F 2 0 F 3 0 F 1 0 F 2 0 F 3 0 F oO pm 4 0 F 10 Circuit Descriptions 10 1 Source Power Circuit Ses 38 10 2 Oscillator Circuit lt ater 38 10 3 Reset Ciiclii kite deed o do uq att y n ad pe REND a des 38 10 4 Door S W Sensing Circuit are eee 39 10 5 Temperature Sensing Circuit o ee 39 10 6 Key Scan and Display expos ate 40 10 7 CoolSelect Zone Panel Circuit 4 5 4 4 42 10 8 Fan Motor BLDC Drive Circuit 0 0 43 10 9 EEPROM Circuits 555 TRE ER oy DEO a 44 10 10 Option Circuit ER adole lera 44 10 11 Load Drive Circuit rotten DEO 44 37 Circuit Descriptions 10 1 Source Power Circui
19. CN72 1 BLDC FAN MOTOR F FAN MOTOR Input Voltage Low Motor Voltage 8 x3 Hen 8 19 9 86 P33 BLDC F FAN 8 6 PL PEU s Voc R71034K F R70320K F G9 10 nike 20 ONLY ONE STEP 4 BLDC R FAN 4 MHO Na D702 5 U muor cone BLDC C FAN 4 MH m R719 13148 15 1 Motor drive circuit 1 1 This refrigerator adopts a BLDC motor froeduce energy consumption Motors of the freezer refrigerator and the machine compartment are composed of the BLDC For RS2533 R fan is operated by 115V Motor 1 2 Voltages between high speed and low speed Voltage of motor Remark Measure b FFAN Measure C RFAN Measure the normal operation MICOM No 40 41 and 42 applies a constant frequency and High 114V 10V 10V MICOM defects the signal to check the failure of motor 10V 10V 83V frequency Hz x 12 motor rpm Note Under the conditions the fans will be operated in 2 options such as High and Low mode Generally it is operated in the High mode during a day time and in the Low mode at night 43 Circuit Descriptions 1 3 When the motor rpm is in 600 700 it will stop automatically and it tries to resume after 10 seconds If the motor is not working properly after 5 time trials it will rest for 10 minutes then try to resume again
20. COVER ICE SOLENOID AUGER MOTOR f CUBE RED COVER ICE SOLENOID 8 7 e P20 4 1029 somone HO CE WATER 500 RESI S e e OS Su e m Ww ANS AUGER MOTOR RY76 oT eT OnO M iy EST AUGER MOTOR HG R702 10K R10K P21 CUBE SOLENOID VALVE CUBE BY So eH DIS T T SVM250 07 WHT 1K4007 E 45 11 Diagnostics 11 1 If power is not ON At the power of main PCB the 115V power and a high voltage over DC 170V occur Please take care of yourself on repair and measurement Start Y Is 115V AC fuse down To check the main PCB please apply descriptions of operation and references in the manual Check the exchange of fuse and NO disconnection cause ls power 115V both terminals of CN10 Y Check the assembly and connection of lt electric wires Is fuse on main PCB down y Exchange fuse 115V 2A ls DC 170V impressed to both terminals of BD1 Y Check the PCB pattern and replace BD1 op S W 233Y NO ls the voltage impressed DC 5 8V between C and 2 NO Is 12V impressed to both Y Replace PCB assembly terminals of C102 Y 1 Replace D104 0556 2 Replace PCB assembly Is the load such as relay normal Check the connections of PCB Check the connections between upper hinge and CABI door
21. II Circuit diagram n e 8 e 64 1 INTRODUCTION e SAMSUNG side by side refrigerator has the following characteristics 1 Twin Cooling System The refrigerator and the freezer have two evaporators Given this independent system the freezer and the refrigerator are cooled individually as required and are therefore more efficient Food odor from the refrigerator does not affect food in the freezer due to separate air flow circulation 2 Multi Flow System Cool air circulates through multiple vents on every shelf level This provides even distribution of cooling inside cabinets to keep your food fresh longer 3 Xtra Space Vertical room next to the ice maker in the freezer provides space for pizza etc 4 Door Alarm Beep sound reminds you the door is open 5 Xtra Fresh Optimized humidity control keeps vegetables amp fruits fresh 6 Deodorizer Reusable twin deodorizers keep the refrigerator air fresh and odor free 7 CoolSelect Zone Drawer RS2555 RS2577 User can select Quick Cool Thaw and Select buttons for quickly chill thaw and cool items Select Soft freeze Chill and Cool to control the temperature of the drawer 2 INSTALLATION 1 To protect refrigerator in movement e Removing Doors Open the freezer and refrigerator doors and then take off the
22. If fan doesn t work Reference The refrigerator has been applied with the BLDC fan motor For RS2533 R room Fan is AC motor used The BLDC motor is driven by DC 8 12V Under the normal condition of COMP ON it is operated together with F FAN motor With operation of the CoolSelect Zone function the F Fan motor may do not work If the door is opened and closed once at a high ambient temperature the BLDC motor would be operated after a 1 minute or longer delay Therefore you re advised not to take it for an error When the refrigerator is open the freezer fan motor will also stop working simultaneously with the fan motor for the purpose of performance improvement C Start Execute Forced operation See page 34 in the manual For C FAN For R FAN voltage DC 9 11V between GND of the main PCB section and N72 pin No 6 Is the voltage between GND ofthe main PCB and pin No 4 of CN72 around DC 8 10V 5 the voltage DC10V between GND of the main PCB and pin No 4 of CN72 NO Y NO Fan works normally the voltage DC OV between 5 the voltage DC OV between CN30 No 5 and No 6 in the main PCB CN30 No 1 and No 2 Section in the main PCB Y YES YES Troubleshoot the connect
23. This process will be done continuously Note If there is an abnormal situation for the motor the self diagnostics will show the corresponding LED segment 10 9 EEPROM Circuit EEPROM is semiconductor memory not to be ERN erased It can be used in the area of unstable electric power m Vec P70 Q EEPROM 10 10 Option Circuit There are a variety of models that have a different function A different model can set up to Use option circuit as shown D602 OPTION X CoolSelect Zone O No CoolSelect Zone 10 11 Load Drive Circuit 1 The control of load in the system is accomplished by the main PCB 2 Most of relays or SSRs can control the compressor refrigerator freezer defrost heater and several option functions 3 For the compressor 18 pin of micro processor signals High 5V This signal enters 5 pin of IC3 and 14 of output terminal which have base and collector functions of IC3 turns on and connects the GND Relay 73 will be grounded through 14 of IC Magnetic field will generate so that the second side of RY73 is activated and 115V is supplied to the compressor On the other hands if 18 of micro processor turns Low 0V 5 of IC3 the current of RY 73 relay and magnetic field will shut down in sequence A contact point in secondary side of Relay 73 is off Finally compressor will stop 44 Circuit Descriptions 4 The principles of other loads is the sa
24. Turn the water filter 1 2 turn counterclockwise and pull it down 2 To install the filter align the indication mark unlock position and push it up while turning 1 2 turn clockwise until the lock position is aligned Do not over tighten Upper Ductwork 1 Remove the screw caps 2 and screws 5 2 Slide the upper fan ductwork out while disconnecting the wire connector lamp and thermistor Evaporator Cover in the Refrigerator 1 Pull out the screw cap and remove the screw 2 Remove the lamp cover by unlocking the tabs and pulling the cover down 3 Remove the water tank from the evaporator cover by unscrewing the screws 2 4 Remove the screws 6 at the evaporator cover and the two fixed screws of the wire connector cover 5 Take off motor and lamp wire connector located on the upper liner 6 Remove the duckwork of the evaporator fan in the Evaporator Fan Motor direction of the arrow as shown The evaporator fan is located in the middle rear of the freezer This fan circulates cold air in the freezer 1 Remove screws 4 located at the four corners of the fan bracket 2 Take the fan motor assembly off Mechanical Disassembly Evaporator in Refrigerator Evaporator is located in the bottom of refrigerator 1 Take off the ductwork in refrigerator 2 Disconnect the wire connector Heater and Thermistor 3 Desolder the capillary tube and the suction line from the evaporator 4 Remo
25. Y Dispenser with CoolSelect Zone 1 2 DA41 00134A Main PCB ASS Y Dispenser 1 3 DA41 00105C PANEL PCB ASS Y Dispenser with CoolSelect Zone 1 4 DA41 00105D PANEL PCB ASS Y Dispenser 1 5 DA32 00006B R DEFROST Sensor 502AT PX 41C 1 6 DA32 10109V Ambient Temp Sensor 502AT PX 41C 1 7 DA32 10109W F Temp Sensor 502AT PX 41C 1 8 DA32 00006A F DEFROST Sensor 502AT PX 41C 1 9 DA32 10105U R Temp Sensor 502AT 41 1 10 DA32 10109X CoolSelect Zone Sensor 502AT PX 41C 1 11 41 00108 CoolSelect Zone PCB ASS Y CoolSelect Zone MAIN PANEL 1 12 3301 000016 FERRITE CORE LOCK TYPE 1 13 DA27 00002A NOISE FILTER Commonly used in ET PJT 1 x The last no of the code number such as DA41 xxxxx for the Main PCB ASS Y could be changed by MICOM and option 63 Appendix II Good Model without CoolSelect Zone and Beverage Station MAIN PCB ah Lo HE thst e Pri in 250 t 1 Teeth the Hn is 990 RED GAY WC AJIO 9 96 5 2 5 meo BLOC FAN v 5 Xo YYY ali l Ee 2277 i Mm BLOC F FAN m Tan
26. front leg cover assembly by turning the three screws counter clockwise Remove the screw from clamp disconnect the water tube by pressing the coupler and pulling the water tube away With the door closed remove the upper hinge cover using a screwdriver and then disconnect the wires Remove hinge screws and ground screw counter clockwise and take off the upper hinge Take care removing the door to ensure that it does not fall on you Remove the door from the lower hinge by carefully lifting the door so as not to damage the water tube Remove the lower hinge from the lower hinge bracket by lifting the lower hinge Use padded hand truck as shown If entrance width is less than 39 remove doors prior to installation and reattach doors according to procedure below 2 Remove all protective tape and pad in refrigerators Connect water lines and power cord Adjust the clearance between the doors 3 Set the temperature control to the temperature and wait for an hour The refrigerator should get slightly chilled and the motor runs smoothly 4 Once the refrigerator temperature is sufficiently low You can store food in the refrigerator After starting the refrigerator it takes a few hours to reach the appropriate temperature e Attaching Doors Insert the lower hinge in the bracket lower hinge Attach the freezer door by inserting the hose in the lower side of the door into the hole in the lower hinge and
27. of Y Connector not inserted Troubleshoot poor contact ls the door S W self unit normal YES Main PCB and door S W are normal unitis changed from 0 too 0 according to S W ON OFF 2 If Beep sounds continuously C Start Didn t you select forced operation and forced Y Exchange the door S W Selected defrosting NO Do buzzer Y Release the forced operation and forced defrosting functions or turn ON again after power OFF still sound after power on again YES Check if there is any short parts due to foreign matters and the test jumper part in the main PCB 50 Y Main PCB is normal 3 Without sound of buzzer operation C Start D Does it sound YES Ding Dong if you press a button on front panel NO Does it make a sound of alam YES Main is normal buzzer normal when you are opening the door of freezer or fridge morethan 2 min YES Check the panel PCB with the reference of how to check panel 5 the bent or go out of the buzzer in the main PCB NO Are signals coming NO x Refer the description of display Y Buzzer is broken replace it Test function in the manual ae for the Forced operation YES
28. pulling the hose down Insert the upper hinge shaft into the hole After leveling between the upper hinge hole and the hole of the cabinet Reattach hinge screws and screw in the clockwise direction Connect the wires Put the front part of the upper hinge cover on the front part of the upper hinge and reattach from the front part of the upper hinge cover first 3 Nomenclature 2002 Models HEE Label Location e D Company Name COLOR SBS SW SNOW WHITE SL NOBLE STAIN BMF SW SNOW WHITE SL NOBLE GRAY OPTION 25 44 GOOD 26 Cu ft 22 GOOD 44 BETTER 66 BEST 27 Cu ft 77 BEST Capacity CU FT Family SIDE BY SIDE SBS H HomePAD SIDE BY SIDE B BOTTOM MOUNTED FREEZER BMF Product R REFRIGERATOR 4 Specifications ELECTRICAL SPECIFICATIONS Defrost Control e From 24 to 32 hrs Thermo Bimetal s 54 F off 23 F on Defrost Thermistor 502AT 50 F off Electrical Rating AC115V 60Hz 4 8 Amps Maximum Current Leakage M 0 25 mA Maximum Ground Path Resistance 0 1 Ohm Energy Consumption Vid Deed sss KWH mo Ambient Temperature 70 90 F Refrigerator y rg 34 46 34 46 Freezer 14 8 14 8 Run Time 96 40 60 Refrigerant Charge 134 7 76 02 Compressor MK183C L2U 532 3 Btu hr Compressor ojee Freol 15 Capillary tube Dia Length 0 033 130 Dr
29. 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 which occurs in shipment delivery and installation applications and uses for which this product was not intended altered product or serial nu
30. section within the main PCB for short open Panel PCB itself has trouble 2 Where the Panel PCB key isn t selected YES Is the locking lamp lit on The basic check way If you is troubleshooting in the basic check method then NO Aren t a key or more buttons Y Recheck after the release of locking pressed continuously YES Operated by separation sn t the PCB system function Y Reassemble the PCB ass y Enforce the cancellation of pressed keys still operated y seperating of thi mechanism YES 5 lighting x Refer to the description of YES Y Reassemble the PCB ass y Enforce the cancellation of pressed keys circuit operation in the manual 10 6 Key scan and display Circuit selection s and measure the wave 40 operated normally in the exchange of panel PCB NO ls a periodic NO Y Panel PCB has trouble for itself wave form outputted from the main PCB 9 Y YES 1 Check the door wire of freezer check the breaking of wire short between wires 2 Check the CABI wire of freezer check the breaking of wire short between wires 3 Check for Short Open of the Panel Lighting Circuit section in the main 52 1 Replace the main PCB 2 Check the short wires of CoolSelect Zone panel 11 7
31. to use one outlet for several plugs e Check whether the power cord is placed under other appliance and so damaged worn out and squeezed r Repair the defective power plug or outlet immediately D Make sure that the power cord is not placed under other appliance or squeezed 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 gt Medicines and 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 58 Appendix Reference for circuit diagnostics Ref 1 Wire connector on the cabinet door Connection on the upper hinge of freezer BLK D D D BLK BRN 13 DH 2 BRN RED 42 OHOO RED one 1t H4 7 MAINPCB t 8 00 09 ASSY 0 OHOO Pk ASSY BLU DHO T PRP 7 PRP cry 6 OHOO env 5 WHT 4 ada 7 3 Om 2 welk WIRED 2 3 43 18 WIRED WIBLU 1 WIBLU Ref 2 Howto check relay failure 3 Contact point 2 Contact point SSR Contact
32. 31 26 6 15 080 3 006 82 4 4 487 1 549 27 4 61 480 4 301 28 4 14 450 2 955 84 2 4 329 1 511 25 6 58 430 4 269 30 2 13 860 2 904 86 0 4 179 1 474 23 8 55 550 4 237 32 0 13 290 2 853 87 8 4 033 1 437 22 0 52 840 4 204 33 8 12 740 2 801 89 6 3 894 1 401 20 2 50 230 4 170 35 6 12 220 2 750 91 4 3 760 1 366 18 4 47 770 4 134 37 4 11 720 2 698 93 2 3 631 1 332 16 6 45 50 4 098 39 2 11 250 2 647 95 0 3 508 1 298 14 8 43 260 4 061 41 0 10 800 2 596 96 8 3 390 1 266 13 0 41 190 4 023 42 8 10 370 2 545 98 6 3 276 1 234 11 2 39 240 3 985 44 6 9 959 2 495 10041 3 167 1 203 9 4 37 390 3 945 46 4 9 569 2 445 102 2 3 062 1 172 7 6 35 650 3 905 48 2 9 195 2 395 104 0 2 962 1 143 5 8 33 990 3 863 50 0 8 839 2 346 105 8 2 864 1 113 4 0 32 430 3 822 51 8 8 494 2 296 107 6 2 770 1 085 2 2 30 920 3 778 53 6 8 166 2 248 109 4 2 680 1 057 0 4 29 500 3 734 55 4 7 852 2 199 111 2 2 593 1 030 1 4 28 140 3 689 57 2 7 552 2 151 113 0 2 510 1 003 3 2 26 870 3 644 59 0 7 266 2 104 114 8 2 429 0 977 5 0 25 650 3 597 60 8 6 992 2 057 116 6 2 352 0 952 6 8 24 510 3 551 62 6 6 731 2 012 118 4 2 278 0 928 8 6 23 420 3 504 64 4 6 481 1 966 120 2 2 206 0 904 10 4 22 390 3 456 66 2 6 242 1 922 62 Appendix Reference for circuit diagnostics Ref 7 Service part lists of each circuit board NO CODE NO PART NAME SPECIFCATION QTY 1 DA41 00104E Main ASS
33. 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 061002 6 Interior Views and Dimensions 6 1 Shelves and Bins Xtra Space Door Bin Ice Maker Light Ice Chute Glass Shelf Wire Shelf Light Switch Pockets Plastic Drawers
34. D and show R FAN operation only x The F FAN and C FAN are operated to High Low rpm automatically according to the operational condition and only explain the system operation status according to the ambient condition 9 16 Restoration Function for Power Outage 1 When the freezer temperature is lower than 41 F all functions on the display panel will be restored 2 When the freezer temperature is higher than 41 all functions will be initialized 4 F for the freezer 38 F for the refrigerator and Cubed for the Ice Type 9 17 Set Point Shift Function e Press Freezer Temp and Power Cool buttons simultaneously for 12 seconds to get into this mode e In this mode only the display LEDs for temperature will be ON 33 Operation Function Press both buttons simultaneously for 12 seconds Power Freeze Quick Ice SAMSUNG Power Cool Freezer Temp Fridge Temp Freezer Temp Fridge Temp Child Lock Ice Type t t Hold 3 secs Code Reference Value 1 Initially all products set the code 0 and press Power Cool or Fridge Temp to increase or decrease of Reference 2 To increase or decrease of Code press the Power Freeze Quick Ice or Freezer Temp so that it can be adjusted such as the temperatures of freezer refrigerator Ice maker and CoolSelect Zone and the quantity of water supply 3 After 20 seconds from adjustment a new setting will be stored in EEPROM and return to the normal display 9 18
35. DUAE mE F SENSOR M Ig ofterminalin MICOM Remark F DEF SENSOR ae 2 et AAN rg PIN 49 F SENSOR 6 R301 M 2 Micom e p PIN 50 F DEF SENSOR ema R DEF SENSOR LC 10KF WV PIN 52 R SENSOR change cm PIN 53 R DEF SENSOR Ambient SENSOR oa PIN 56 EXT SENSOR 2 1 A thermistor with a negative temperature coefficient NTC is used for a temperature sensor 2 Resistors R 306 R310 and capacitors C 301 C 305 are used for a noise protection purpose 3 For the F sensor the input voltage into the micro processor VF is calculated by Rth x Vcc R303 Rth where Rth is a corresponding resistance to the thermistor s output See Ref 6 in Appendix 4 The F Def sensor is connected with a bimetal and a temperature sensor is in parallel In a normal operation of the system the bimetal is on and OV is input into the micro processor During a defrost cycle the bimetal be off from 54 F and a divided voltage with R304 enter to the micro processor to keep sensing the set temperature 39 Circuit Descriptions Were Re Aeaee Note 54 F OFF JU ANN 1 F DEF sensor and Bimetal work in parallel MICOM 2 At the first power an open error 5V input to 7 BIMETAL Steely MICOM can be detected by self diagnostics A CERAMIC T short error will be ignored 3 In self diagnostics during a normal operat
36. Indicate Error when the temperature sensed by missing contact failed electric wire cut ie hi 06 Zone sensor Short lo CoolSelect Zone sensor itself CoolSelect Zone sensor is higher than 150 F or IN LA failed and so on lower than 58 F R DEFROST eM In the refrigerator room if frost removal 07 ERROR m mode is finished due to limited time of 80 minutes Error is displayed C LN Ambient Air eal pe Air sensor connector missing contact Indicate Error when the temperature sensed by the 08 failure electric wire cut short circuit open air sensor is higher than 150 or lower than SENSOR 4 Ni open air sensor itself failure and so on 58 FRE sensor connector missing contact Indicate Error when the temperature sensed by F 09 F SENSOR 4 failed electric wire cut short circuit E 3 Room sensor itself failure sensor is higher than 150 F or lower than 58 F TREE SEGMENT FRE evaporator defrosting sensor Indicate Error when the temperature sensed by F FRE Defrost Ni connector missing contact failed ie hi 10 SENSOR d E electric wire out Sot cif cult sensor pipes sensor is higher than 150 F or lower than rw UN itself failure and so on 58 IEEE F Fan motor operation failure feedback 11 F FAN ERROR D signal line contact failure motor s electric wa a as a wire missing and so on FREEZER SEGMENT a 1 12 C FAN ERROR im tes 02 Indi
37. Reset Circuit Voc 02 eo 0 gg RESET Terminal Voltage C203 1 G C202 1 104 T 104 T DC 5V 0 RESET DC 5V The reset circuit is to initialize the values RAM amp other sectors of micro processor When the power is engaged initially the reset voltage becomes Low and it keeps High in the normal operation 38 Circuit Descriptions 10 4 Door S W Sensing Circuit FDOORSW AA Terminal Operation Volt state Vcc 47K R408 tus mA lo w loo M S DOOR CLOSE 0V LOW RDOORSW wo C DOOROPEN 5V HIGH 1o o4 Vec 47K tus dia 0 M DOOR CLOSE 0V LOW A el DOOR 5V HIGH 1 The terminals and of the connector CN30 grounded Vcc is supplied to the terminals through the resistors R404 and R403 for the freezer and the refrigerator door respectively 2 The micro processor senses the door s open and close based on engaged voltages Low 0V and High 5V respectively Note The door switch always should be checked when the evaporator fan is not running while the door is closed 10 5 Temperature Sensing Circuit 5 R303
38. UTE e 1 x BLOC C FAN r m REO T LUIZA KA324 UII M oe je ig 402803 18PIN vy dena opago gt 1 Lr aane OE ARNE OR SORTER ATEN RS 4 Ves GRY GRY GHO ET a1 AN T ena RED EET m P m 5 d Cy o Sr W wi Tes ICE MAKER OPTION e eL 35 p 62 ow rj ICE MAKER KIT G FE f 3 10K 5 BLDC FAN input voltage gt 5 3 ohr R FAN F FAN C FAN Oe E re HIGH LOW Ore 1 AC FAN 17 1 10 0 Ene TANE o oc rod e ex o WE 1 Nn E T T FAST TEST OPTION 64 Appendix II Better Model with CoolSelect Zone but Beverage Station and Best Model with CoolSelect Zone and Beverage Station PANEL PCB 129 29 Py Vll AM Pens We 0 32 FREEZER ls ise meore 4 Je EF CESATOR 1 30 4 AER GERATOR 10 663 Pad Wine wo the e Mus DS he te Vel low Green gt gt ui Nil Sae f Wer Gea Omg tee 27 d
39. act Exchange or troubleshoot the trouble door S W 2 Where oo alone comes out Door SW has Check the connections of F and R door S W Open trouble check and troubleshoot the inside lamp socket If the door is opened then the contact of door S W is opened and MICOM gets applied 5V to finally sense Open If 5V has been sensed over two minutes afterwards then an Door Open alarm will sound Ding Dong for 10 seconds in a one minute cycle For that reason if the door S W has failure the refrigerator can make a Ding Dong sound per a one minute cycle Please note step for its service 55 11 10 If the solenoid in the ice chute cover doesn t work Preliminary check 1 Check if the solenoid is unconditionally operated for 0 3 sec independent of the Open Close condition of cover ice route after a lapse of about 5 seconds from power ON Before installation the cancellation of cover ice route open is enabled 2 Check if the connector in upper hinge section is hook up correctly C Start 2 YES isthe SIN solenoia for 0 3 sec operated after 5 seconds Y from power ON The S N control PCB assembly and wire system have no trouble ISMICOMNo 2700 YES PCB maintaining High for 0 3 sec at the fi NO power ON Y Press Ice lever and keep it open NO MICOM control port is normal Exchange the main PCB assembly Y ls the cover clo
40. and check it the lamp turns off If it doesn t work properly check the door s w on the FRE Door open on the FRE and the sensor part of the Main PCB 1 Check the voltage between no 1 terminal and no 2 terminal of CN30 2 If 5V is checked when the door is open it is normal 3 If OV is checked when the door is closed it is normal If it is not check the door s w and electric wire connection 61 Appendix Reference for circuit diagnostics The input voltage to the MICOM PORT could be different by a hardware This is a table based on the voltage using the 10kohm F MICOM PORT voltage when the sensor is open about DC 5V Vcc LEVEL MICOM PORT voltage when the sensor is shorted about DC 0V Ground LEVEL Temp F Resistance Voltage V Temp F Voltage V Temp F Resistance i Voltage V 43 6 98 870 4 541 12 2 21410 3 408 68 0 6 013 1 878 41 8 93 700 4 518 14 0 20 480 3 360 69 8 5 792 1 834 40 0 88 850 4 494 15 8 19 580 3 310 71 6 5 581 1 791 38 2 84 150 4 469 17 6 18 730 3 260 73 4 5 379 1 749 36 4 79 800 4 443 19 4 17 920 3 209 75 2 5 185 1 707 94 6 75 670 4 416 21 2 17 160 3 159 77 0 5 000 1 667 32 8 71 800 4 389 23 0 16 430 3 108 78 8 4 821 1 626 31 68 150 4 360 24 8 15 740 3 057 80 6 4 650 1 587 29 2 64 710 4 3
41. ate 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 any buttons 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 30 Operation Function 9 12 Sound Function 1 Sound function 1 1 To make sure a command input whenever a button is pressed 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 minute 2 3 The beeps will cease immediately when the doors are closed 9 13 Exhibition Function e 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 8 seconds until a ding dong sounds 1 2 Press the same time buttons again for 8 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 14 Self Diagn
42. cate Error if the F and G signals generated by the COMP FAN FI d 09 so of FAN motor operation are not input LSS 2 F DEFROST In the freezer room if frost removal mode 13 H _ is finished due to limited time of 70 L LS minutes Error is displayed 32 Operation Function 9 15 Load Operation Check Function 1 In the normal operation press Power Freeze Quick Ice and Power Cool buttons simultaneously for 6 second then the display panel will blink for 2 seconds 2 Press Fridge Temp button 9 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 Table of Load Mode Check List NO Contents CD High or AC motor operation Low Press both buttons simultaneously for 6 seconds all 8 R DEF heater LED lights will be turned off At this time press button S E amp Low temperature mode JD Freezer Temp Fridge Temp GM 7 Exhibition mode Freezer Temp d ridge Temp COMP ajo o 9 Hin OLAS F DEF Heater C FAN High C FAN Low Dispenser Heater 9 Damper Normal condition For the R FAN only one rpm is applied for the current models so that
43. de ribed 3 Check the wires of ice maker Cubed ice YES ls the Crushed Ice extracted sufficiently Cubed ice extracted Is the cube ice ejected sufficiently NO Normal operation Normal operation YES Does MICOM No 25 turn 5V if pressing Ice SW NO Does MICOM No 25 turn 5V if pressing Ice SW NO Failure of Main PCB and exchange it YES Failure of Main PCB Exchange it Does the voltage of IC3 No 18 turn OV even in the ice SW OFF YES Y NO Failure of Main PCB IC3 and exchange it NO Does IC3 No 18 turn OV if pressing Ice SW Measure both contact YES Failure of Main PCB IC3 pin teminals of RY77 ater he exchange it contact after the separation 0 CN71 connectors separation of CN70 CN71 Suus Shelf of RY77 relay tum 0 even in the YES power OFF 1 Does the contact shelf of RY77 relay tum 0 Q pressing ICE S W NO Failure of Main PCB exchange The contact terminal of RY77 VES Exchange of Main PCB RY77 Main PCB is nomal relay short failure relay Check other sections 1 Checkthe wire between the AUGER motor and main Main PCB is normal PCB Necessary to check other sections 1 Check the wire between termi
44. e UDN2961A TC4028BP 40 Circuit Descriptions Repeat 18 msec period The step signals of DC 11 12V will be generated periodically If a sink signal outputs from IC4 DC 11 12V will be applied to the LED input terminal and sink the LED output terminal to OV Therefore LED will be ON for 2 miliseconds The 6 step signals Q6 Q4 are applied to scan the 6 keys buttons When SW6 is pressed the step signal from will be reduced to 5V and entered to the MICOM then MICOM will match a corresponding function for SW6 key 2 Key Scan 41 Circuit Descriptions 10 7 CoolSelect Zone Panel Circuit 1 CoolSelect Zone display panel and temperature sensor CON2 R1 470 7 ta PH tb H H 14 PHF fep Hi ne 28 am 4 4 2 PEL Pi 2c PI 202 9 pe R2 Swe E LED TEDS Tepe Tepe LED LED p p pe LED4 p ny 4 R3 Sw3 lt a 4 LE OH Quick Cool 10K 3 WIBLU Q0G O09 00 _________ i 00O CONS ANA CoolSelect Zone 1 1 CoolSelect Zone is referred to as a storage drawer to implement features of Quick cool Thaw and Select Soft Freeze Chill and Cool 1 2 Coo
45. e with self diagnosis Error of sensor can be seen on the front display of refrigerator If power is impressed to refrigerator first an failure of sensor is found The refrigerator will stop working and display blink the region of trouble occurred sensor repetitively Even if sensor has failure during the operation the refrigerator will not stop working but can run the normal cooling operation because of being operated in the Emergency Operation mode Therefore re requested to use how to check self diagnosis at page 31 in the manual 1 If the ambient sensor has trouble C Start Was the connector CN31 inserted correctly YES A bad contact or connector missing 5 the ambient temperatura NO sensor normal Y NO x See Ref 4 descriptions of circuit operation and how to check temperature sensor in the manual TER Exchange the temperature sensor ls the input of voltage to NO MICOM pin No 63 normal YES Check the iced solder and No trouble with PCB and temperature sensor short of main PCB Recheck the contact failure of connector 2 If the temperature sensor of F and R room has trouble C Start 5 the unito Fridge s temperature ensor norma See Ref 4 descriptions of circuit operation and how to check temperature sensor in the manual Exchange the temperatu
46. ed 4 Test function e n order to operate a test function press the knob Test Switch for 1 5 second e This function can be used to check a proper working to clean the ice tray and to adjust the water level in the ice tray 4 1 This function only works when the ice tray is leveled and the ice full signal is cleared 4 2 When the water line is connected each process such as a water supply ejection and leveling can be investigated by this button 5 Ice off function 5 1 When the Ice off option is selected by Ice Type button the ice making process will cease 5 2 When the ice making process ceases the final state will be the ice tray with supplied water 5 3 When Cubed or Crushed option is selected again the control board will check an accummlated time period After making it 90 minutes and when the ice tray temperature is acceptable ice ejection process will begin 6 Functions when the freezer door is open e When the freeze door is open all ice maker related processes will cease in order to minimize noise and to prevent ice from dispensing 6 1 The ice tray stops moving regardless of the position 6 2 The water supply process remains working as usual 6 3 If the ice tray is in the middle of ice ejecting process close the freezer for 30 seconds and check if the tray is leveled If it is not leveled it must be out of order 9 10 Defrost Function 1 A defrost is determined based on the accumulated compressor on time 2 Wh
47. elect Zone isn t operated normally RS2555 RS2577 1 If the lamp of CoolSelect Zone is not lit If the Panel key isn t selected C Start ls the connector of NO CoolSelect Zone inserted correctly in the refrigerator S the connector of main NO Y Reinsert the connector troubleshoot a bad contact PCB CN51 inserted correctly ls the connector of NO Reinsert the connector in the main PCB CoolSelect Zone panel PCB inserted YES Is lighting operated normally in the exchange of CoolSelect YES Y Reinsert the connector troubleshoot bad contact f panel PCB NO Y Panel PCB has trouble for itself 1 the wires of CoolSelect Zone check the disconnection of wire short between wires 2 Check the Lighting Circuit of CoolSelect Zone panel in the main PCB for Short Open 3 Check the main PCB of CoolSelect Zone assembly for Short the wire assembly state between the panel and main PCB 2 Ifthe Panel PCB key isn t selected The basic method is applied to check if you fail in troubleshooting after above the execution then x Refer to 8 7 CoolSelect Zone Panel Circuit and measure the wave form Aren t a key or more pressed continuously Y YES Isn t the PCB system still operated by separation NO Y
48. en 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 A minimum interval is 6 hours and a maximum is 8 hours for the refrigerator and 12 hours and 16 hours for the freezer respectively 5 The defrost heater on time is determined by the defrost sensors as follow Refrigerator Freezer Heater ON Below 50 F Heater OFF 63 F 50 F 29 Operation Function 9 11 Forced Operation Function Pull down R Defrost R F Defrost Cancellation e This function enables a pull down mode a defrost mode for the refrigerator only a defrost mode for the freezer and the refrigerator at the same time and a cancellation of this function e Press Power Freeze Quick Ice and Fridge 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 20 seconds in the ready mode e Atthe ready mode press any button except Ice Type and Child Lock once to start a pull down operation twice for a defrost cycle for the refrigerator three times for a 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 Pres
49. er The sub condenser is located in the machine compartment The heat is extracted by condenser fan 1 Desolder the compressor discharge amp the sub condenser outlet 2 Take out the Sub condenser Desoldering Point 22 9 Operation Function 9 1 Digital Panel lt lt acce PROCEDE E da S Rd S 24 9 2 Temperature Control Function 555555565 rh eee tea 24 9 3 Power Freeze and Power Cool Functions 25 9 4 Child Lock 25 9 5 amp Water Dispenser Function 26 9 6 C Fan Motor Delay Function of the Machine Compartment 26 9 7 CoolSelect Zone Function gt gt er ER e we eed 26 9 8 Water Filter Indicator 27 9 9 Ice Maker Function v oe v uae ete BAAS 27 9 10 Defrost Functions sis otto e kes EROR Rt OCC 29 9 11 Forced Operation Function Pull down R Defrost R F Defrost Cancellation 30 ay af doe tar ote e EROR QE QUARC Aera 31 9 13 Exhibition Function aCa wa ote ey oa 31 9 14 Self Diagnostics Function lt lt 31 9 15 Load Operation Check Function 33 9 16 Restoration Function for Power Outage 33 9 17 Set Point Shift Function d deem t eaaet tete ds 33 9 18 Table of Set Point Shift
50. ever should not be pushed up 1 Initial Operation function 1 Whenever the power is on the control board checks the ice tray leveling with the leveling switch within 2 seconds 2 If the leveling switch is not off position the geared motor will turn to the initial position to make the ice tray leveled 3 When the ice tray is leveled it will remain this position for 2 hours 1 cycle time for ice production 4 After 2 hours the sensor located under the ice tray will measure the tray temperature If the temperature is maintained lower than 19 F for 5 minutes and the ice full switch is off position the ice tray twisting process will begin 1 1 1 1 Reference table Leveling S W Ice full SAW Judgement Remark ON LOW ON LOW Not ready MICOM Port ON LOW OFF HIGH Not ready i cam OFF HIGH ONCLOW Notready cebucket wit fullofice pon OFF 1 4 5V OFF HIGH OFF HIGH Ready ON 03V Operation Function 2 Water Supply function 2 1 When the ice tray is levelled again after ejecting ice the water solenoid value will be controlled to supply water by time check basis See the Time to supply water Table 3 Ice production 3 1 After 90 minutes pass from the water supply the control board will check the temperature 3 2 If the sensor reads the temperature lower than 19 F for more than 5 minutes than the ice production process is complet
51. ion only an open error can be detected 4 The F DEF heater will be off at the set temperature after the bimetal is off F DEF SENSOR 10 6 Key Scan and Display Circuit CN50 l SVM250 14 z WHT BLK oe A 110 Fr r Temp 10 digit 5 Freezer Temp 1 digit ux x Fridge Temp 1 digit FEN Jm tat er eu gt Bo 5 6 Yellow Green Y to PHY 5 SINK DRIVER zap Ha Heap Pt d iod sa PH a gt H ac o w P72 G 28 P73 P74 5 G e o sr PHP Case P75 6 UDN2961A PANEL PCB M DECORDER SOURCE DRIVER 1 Key Scan and display operation The model uses a decorder IC which 4 inputs and 9 outputs Ifthe IC 9 decorder TC4028BP receivesd signals from MICOM pins 3 6 an output signal per 2 miliseconds comes out from Q3 Q41 Q8 Q6 Q9 Q7 Q0 Q2 and Q4 pin in sequence This signal enters to a driver IC input terminal of the CoolSelect Zone PCB and IC5 TD 62783AP then approximate 11V peaks will generate from an output terminal as shown on the next pag
52. ions of door S W Y Y Measure with the door closed Apply power around 5 minutes In the first power application the door open DC 5V after the power OFF Prevent freezer fridge compressor fans door close OV overload of compressor for 5 minutes regardless of the condition For C FAN For R RAN For F FAN NO Does DC 8 10V alternate Does DC 10V altemate Does DC 9 11V alternate with below DC 2V between GND of the main PCB with below DC 2V between GND of the main PCB section and ih below DC 2V between GND of the main PCB secti ection and CN72 pin No 4 CN72 pin No 5 d CN72 pin No 6 YES YES YES Exchange or troubleshoot the main PCB Y CN72 No 3 F 2 R 1 C will be generated pulse signals when the motor rotates These signals will be Y inputted into MICOM Unless signals are not inputted in the restart of motor it will be ON 10 seconds after Expected causes the fan OFF But if signals are not still entered the above operation will restart four times more Without 1 Check if the fan motor has failure itself signals entered continuously the motor will get restarted after 10 minutes This function is effective where 2 Check if the wire connections have a trouble of contact the normal operation of motor would be restrained due to foreign matters such as ice 3 Check the input of the fan motor rotation pulse in the operation motor fan See the details of Fan Motor Drive Circuit section 53 11 8 If CoolS
53. is assembly stores ice made by the Z i icemaker and dispenses b E P 1 Lift the ice bucket up D and slide out the ice dispenser assembly 2 Plastic Wire Drawer in Freezer Drawers are designed for storage of meat and dry foods The drawers are located in the lower portion of the freezer 1 Pull out the drawer as far as it goes 2 Tilt the drawer up and pull it out until it is removed Mechanical Disassembly top of the liner and slide the ice maker in 5 Tighten the screws 2 of the ice maker support Tab holes IN Front locking tab Front of ice tray Auger Motor Case This shelf is designed to support the ice maker amp The ice maker is located inside of the ice dispenser ice dispensed and Xtra Space assembly 1 Remove the Xtra Space cover to push it down 1 Remove ice maker support screws 2 and slide out near the partition 2 Disconnect the ice maker wire connector 2 Slide the partition out 3 Unlock the locking tabs to separate the ice maker kit 3 Remove the screws 2 on the bottom front of the case 4 Slide out the case while disconnecting the wire connect Partition In order to assemble the icemaker kit 1 Assemble the geared motor shaft and the front of ice tray 2 Lift the front locking tab and assemble the maker kit 3 Connect the ice maker wire connector 4 Match the tab holes and tabs 2 located on the 19 Mechanical Disassembly
54. lSelect Zone has an additional display panel Panel LED are off while the doors are closed When a door is open micro processor senses its signal and LEDs will be on 1 3 The basic operational principle is the same as the key scan process 1 4 The additional sensor can measure the temperature of CoolSelect Zone This sensor enables to control the features of CoolSelect Zone 2 Damper drive circuit CN73 SMW250 06 WHT DAMPER HEATER 7774 OHO UUU 1 Vs2A 1 6 OHO ve 2465 OHO orte eum i P47 Ona U e ego 42 Circuit Descriptions 2 1 CoolSelect Zone Drawer is controlled by a damper to supply or block cold air For Quick Cool the damper will be close So cold air is supplied only to CoolSelect Zone Drawer For Thaw the evaporator heater of refrigerator is ON and the damper is controlled by the refrigerator temperature 2 2 The stepping motor controlled by a Driver IC TA7774P IC7 operates the damper The stepping motor uses 4 combined signals to open and close the damper Note To prevent the malfunction from a high humidity a DC 12V 1 watt heater is mounted and activated continuously 10 8 Fan Motor BLDC Drive Circuit SVM520 07 WHT
55. mbers 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 CAUSED BYTHE USE MISUSE OR INABILITYTO USE THIS PRODUCT REGARDLESS OF THE LEGAL THEORYON WHICH THE CLAIM IS BASED AND EVEN IF SAMSUNG HAS BEEN
56. me as 3 item described Note SSR Solid State Relay is a kind of Relay COMP equivalence circuit of drive section p Mies Cot ye 37 AC 115v COMD g POWER 9 SET WHT GRN BLK RED BLK NOISE FILTER GRN RED BLK GRY aum SOLENOID VALVE 1 I H t P14 GRY 1 1 BK CN70 ciuem ee a joe oon WHT ONO F DEFROST HEATER F DEF HE e AX THERMALFUSE 9 970 CON2 yioo piee EHD ooe eT R DEF HET R DEF HET THERMALFUSE WATER PIPE HEATER MH P10 Onc W 7 HEATER COM COMP P11 COMP C FAN ALTE COMP DISPENSER RY74 amp HOME BAR ew COMMON 7 ot HIE HEATER Ep GHG o 9 LB HEATER RED HOME BAR HEATER 5 S 55871 RED e DISPENSER HEATER CN71 4 oe ICE MOTOR SOL A p 13 YW396 07AV WHT WATER TANK HEATER
57. nals of the AUGER motor and main PCB 2 Failure of cube solenoid itself or bad contact of the connector 57 13 Safety Instructions on Service e Unplug the refrigerator before making any repair or any replacement D Avoid the electric shock e Use the rated components on the replacement D 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 exposed by water 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 D 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 kind of 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 D It must be the same assembled state when compared with the state before disassembly e Check the surrounding conditions of the installed refrigerator When the refrigerator is located at humid or wet place or the installed state is unstable change the location e f needed do the ground gt Especially if there is a possibility of the electric leakage this appliance must be properly grounded e Do not allow consumers
58. nsor cn90 O cx 7 Check the resistance between the no and of the CoolSelect Zone OTT Sensor e 8 Decide the sensor by comparing above resistances to the temperature of each sensor with the conversion table of sensor resistance and voltage from the reference temperature of Ref 6 on this manual x When the resistance is 0 or 0 9 check the connection of electric wire and Scans ee Sensorconnector Ref 5 Check Door S W AEUR To et LM Check the condition in power on Door S W tol 027 rs have 2 contact points One contact point amp poosw 2 77 Roe perceives the door open close by DC 5V FEF LAMP all the PCB Another contact point turns on off 2 the Lamp Lamp on the REF 1 If the Lamp turns on correctly when the door is open it is normal Press the door s w and check it the lamp turns off If it doesn t work properly check the door s w on the refrigerator Door open on the REF and the sensor part of the Main PCB 1 Check the voltage between 5 terminal and no 6 terminal of CN30 2 If 5V is checked when the door is open it is normal 3 If OV is checked when the door is closed it is normal If it is not check the door s w and electric wire connection Lamp on the FRE 1 If the Lamp turns on correctly when the door is open it is normal Press the door s w
59. o not force to close the ice chute door Try to dispense some more ice again to work it automatically 2 Water Dispenser function 2 1 To dispense water depress the water dispenser lever located in the dispenser recess 2 2 When the lever is depressed the water solenoid valve located in the machine compartment is open to flow water 2 3 There is no electronic control function for this option 9 6 C Fan Motor Delay Function of the Machine Compartment e 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 is ON as soon as the compressor is on Dali unctio 61 F 65 F C FAN is ON with 5 minutes delay from the compressor on y Below 60 F C FAN is OFF regardless of the compressor operation 9 7 CoolSelect Zone Function RS2666 RS2777 e To select this function open the refrigerator door and press the button on the control panel of CoolSelect Zone drawer When the CoolSelect Zone function is selected the damper inside fan ductwork is open So the refrigerator cooling is performed first then the damper is closed to control the CoolSelect Zone temperature 26 Operation Function 1 Select function 1 1 Using Select button Cool Chill 30 F and Soft Freeze 23 F options can be selected in sequence Cool option maintains a set temperature of the refrigerator 2 Q
60. ostics Function 1 Self Diagnostics in the initial Power ON 1 ae control board performs a self diagnostics test within 1 second and check out the temperature sensors abilities 1 2 If a sensor failure occurs a corresponding LED segment will blink with a beep 1 3 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 2 Self Diagnostics in the normal operation 2 1 To select this function press Power Freeze and Power Cool buttons simultaneously for 8 seconds with an audible tone In the self diagnostic mode only corresponding LED segments will be illuminated see the check list on the next page 2 3 After a 30 second illumination of error signal the system will return to the normal operation 31 Operation Function x Self diagnostics check list Press both buttons simultaneously for 8 seconds NO Error ICE MAKER SENSOR eene SAMSUNG Power Cool R SENSOR R DEF SENSOR Freezer Temp Fridge Temp R FAN ERROR Freezer Temp o Fridge Temp function error eoo CoolSelect Zone SENSOR MEN
61. ouble 11 and CN70 1 Heater wires and connector disconnection 3 Water tank heater 99 eae 09 Coil wires short trouble Cover Over Solenoid between CN7 1 CN70 11 0 Coil wires disconnection trouble 09 Coil wires short trouble Ice Solenoid Valve between 5 and CN70 11 0 Coil wires disconnection trouble between CN71 09 Coil wires short trouble Auger Motor and CN70 11 Q Coil wires disconnection trouble between CN71 09 Coil wires short trouble Cube Solenoid Valve and CN70 11 Q Coil wires disconnection trouble 60 Appendix Reference for circuit diagnostics Ref 4 Check sensors Disconnect the connector from the Main PCB 5 E ae than measure the resistance of the following vel O 9 Sensors BLU E 5 man Pos 1 Check the resistance the Freezer sensor 0130 between the no 2 and 3 6 DEN 2 Check the resistance the Fridge Room sensor cn30 between the no 6 and 7 E 3 Check the resistance the F Defrosting sensor cn30 between the no 2 and 4 4 Check the resistance the R Defrosting sensor cn30 between the no 6 and 8 5 Check the resistance between the D and the ambient Air sensor cn31 6 Check the resistance between the no and bof the Ice Maker se
62. point PCB Disconnect the connector of the main OV Oh ae CN70 and CN71 then check the follows o AU CN71 1 Measure the voltage at both terminals of a coil and N s determine if the relay is working 2 Measure the voltage at both terminals of a trigger and Sage Coil Teminal eps determine if SSR is working 7 Trioger Terminal 3 Measure the resistance at both terminals of a load Coil Teminal 99 contact and determine if there is an error in voltages of coil and trigger Note NC gt Normally Close C terminal and ON terminal NO gt Normally Open C terminal and Open terminal C Common Terminal Div of contact Voltage at both terminal of coil and trigger Both terminals of contact Resistance value DC 12V Working Condition Between C and NO 09 Short gt Normal Between C and NC 0 Open gt Normal Relay DC 0V Stop Condition Between C and NO 0 Open gt Normal Between C and NC 09 Short gt Normal e onani DC 12V load working condition Between 0 teminas 09 Short gt Normal Relay DC OV load stop condition Between bol terminals oo 0 Open gt Normal DC 12V load working condition Between boh teminat cont About 4 5 KO Short gt Norma DC 0V load stop condition Between oconlact 0 Open gt Normal 59
63. re sensor Was the Main PCB NO connector CN30 inserted correctly Y YES Troubleshoot a bad contact or missing of Sthe se NO Connector insertion of connector e circuit d Y YES Modify the wrong configuration of connector Wire in case of being not inserted or incorrectly inserted to be coincided with the circuit diagram Is the input voltage to NO MICOM pin No 59 normal j YES Check if the iced solder of main PCB is No trouble with PCB and temperature sensor short Recheck the connector for an error of contact x For sensor resistance per temperature make use of the resistance values from Ref 4 and 5 49 11 5 If alarm sound 1 If Ding Dong sounds continuously Yes Isn t the door opened minutely Y Remove causes after comprehending the conditions of interference by door gasket food etc Y Exchange the door S W Y Troubleshoot the breaking of wire and bad door S W NO Isn t water penetrated into the door S W YES Freezer door MICOM No 43 Fridge door MICOM No 44 input voltage of main No 43 and 44 changed at door open Regular voltage are 5V to Open door closa 0 10 Close YES NO 5 the state of inserted connector CN30 being normal Y YES x Separate the door S W and NO check if the measured value
64. s both button for 8 seconds at the same time Power Freeze Quick Ice SAMSUNG Power Cool CoolSelect Zone Freezer Temp Fridge Tem Child Lock Ice Type Hold 3 secs Ice Water 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 mode to oper
65. sed of SIN after about 7 10 seconds NO Does C E between C and E f TR 0701 turn ON for 0 3 sec YES After replace TR Q701 and check SSR71 then exchange the failed components or replace the PCB assembly y YES TR701 and 59871 are normal All the control system of cover ice route has no trouble Check the stop lever and support time delay With the ice SW ON and ICE S W on ice movement motor in F room YES Subject to the ice S W ON do CN31 No 2 and MICOM No 45 Check the ICE S W and troubleshoot the wire connection system get impressed 0 7 YES Main PCB and the sensing section of ice S W are normal Check the operation of SSR71 and 0701 56 11 11 If Crushed Ice Cubed Ice doesn t work properly The close condition on operation Start is subject to the freezer door NO Is ice ejected Does ice in the ice tray exist 1 Check the ice ejector S W 2 Check the door S W lt lt you see Ice Stop on the digital panel 3 Check the ice moving motor 4 Check the cut of wire in the Ice moving Motor section 3 Cancel Stop select 1 Check the water hose for folding or Y the Cubed Crushed ice fastening lt 1 2 Check the ice water way and i Crushed ice solenoid value P pi
66. sket separates from the door liner E Mechanical Disassembly Refrigerator Door Light Switch The refrigerator has a door light switch located in the upper right corner for the refrigerator 1 Use a small flat blade screwdriver to unlock the locking tab and pull the switch out until the Lo wire connector is visible E Drawers are designed for storage of fruits vegetables and deli items The drawers are located in the lower portion of the refrigerator 1 Pull out the drawer as far as it goes 2 Tilt the drawer up and pull it out until it is removed C D Refrigerator Light The refrigerator lights are located in the upper and lower portion of refrigerator 1 Pull out the screw cap and remove the screw Es 2 To access the lower lights pull out the screw cap and remove the screw 3 Remove the lamp cover by unlocking the tabs 4 and pulling the cover down Gallon Door Bin 1 m p LS s L The door bins allow storage of perishable items E 1 Push the bin up and slide it out Tempered Glass Shelf These shelves allow the storage of larger items and pull out for easy access 1 Pull the shelf out as for as it goes 2 Lift it up and remove it Mechanical Disassembly Water Filter The water filter is located in the upper right hand corner of the refrigerator The water filter filters water for the ice maker and the water dispenser 1
67. t SMPS pe Vcc e gt 102 4 Taras 0103 C104 2 1000uF Zz 470UFZZ 104 055 6 35v 25v 104 P6KE180A D101 FUSE1 D102 250V 2A CO seats UF4007 iE V AR71 561 This circuit shows SMPS Switch Mode Power Supply which converts AC input voltage 115V 60Hz to a high DC voltage 170V The input AC source power is converted to DC through a wave rectifier BD1 and the converted DC power will generate a constant waveform on the switching transformer using a high speed 100KHz switching motion of TOP223Y The D104 will rectify the generated voltage and transform into a steady 12V DC source power used for the digital display panel and relays The regulator KA7805 finally transforms into 5V DC source power for the control board and sensor s circuits Caution Be careful to handle this circuit due to high voltages AC115V DC170V 10 2 Oscillator Circuit M Terminal Oscillation Frequency s C Xin 430 4MHz i EG 4 0MHz ye 0 LIE m M Xout 31 4MHz This is oscillator circuit to generate synchronous clocks used to calculate the time for the microprocessor operation Note If the specification of a resonator changes micro processor can not work properly 10 3
68. this function press these buttons again for 3 seconds 9 9 Ice Maker Function e The Ice maker is referred to the device with an automatic ice production storage in the ice bucket and dispensing through the ice chute 1 Ice maker parts ICE WAKER KIT EJECT MOTOR p ui EJECT SENSOR TRAYICE E Hi 3 i JJ JE L y O LI 5 a 8 ENO LEVELING SWITCH Full SWIT TEST SWITCH FIXER SENSOR KNOB TOUCH COVER SENSOR GUIDE ICE Lever to check ice full 27 Operation Function 2 Preparation of Ice maker 2 1 Connect the water line to the water supply valve of refrigerator to supply water See how to connect a water supply line in the owner s manual 2 2 Push the bucket back fully so that the guide ice of ice maker should not touch the back of bucket If the back of bucket touches the guide ice of ice maker the ice maker will not make ice any more because of a ice full signal 2 3 It takes 6 hours to harvest a first ice and throw away 2 3 times of these ice to make sure the supplied water clean SUPT ICE MAKER GUIDE ICE lt TRAY ICE BUCKET S gt ICE MAKER KIT Push the bucket back fully so that the l
69. tions are selected there is no benefit of fast cooling for each compartment 9 4 Child Lock Function e When the child lock button is pressed for 3 seconds the child lock indicator is on with an audible tone When it is locked no function commands except the Ice type button will be accepted This function will prevent accidental setting that may be caused by children or pets To unlock the setting functions press this button for 3 seconds again 25 Operation Function 9 5 Ice amp Water Dispenser Function e Among several ice maker functions the ice extraction function is performed by mechanical system Only the relay control for a cubed ice dispensing and the SSR control for the ice chute door are performed electronically 1 Select Cubed Crushed Ice off function 1 1 The Ice Type button selects Cubed Crushed Ice off options in sequence 1 2 A default setting is Cubed option 1 3 If Cubed ice is selected the Crushed ice bypass solenoid and the geared motor will allow Cubed ice to by pass the ice Crusher 1 4 If Ice off is selected the ice maker will stop working This option will be terminated when Cubed and Crushed options are selected Note When the Ice off indicator is on and the remained ice is in tray only Cubed ice will be dispensed from the ice bucket 1 5 The ice chute door must be open for 5 seconds after dispensing ceases After this 5 seconds delay SSR will be controlled to shut the ice chute door Note D
70. uick Cool function 2 1 If the Quick Cool is selected LEDs will flash 60 and Min The count will be decreased in every minute 2 2 To cancel this function press Quick Cool button again or Thaw button or Select button Otherwise it will be terminated 60 minutes later automatically 2 3 After this function ends this drawer will come back to Cool option 2 4 A defrost cycle will be postponed until Quick Cool option is finished 3 Thaw function 3 1 When the thaw button is pressed LEDs will flash 4 6 10 and 12 in sequence and Hr 3 2 The count will be decreased in every hour 3 3 A cancellation of this function is same as Quick Cool function 3 4 After this function ends this drawer will be maintained with 30 F 3 5 While the compressor is on this drawer retains a certain temperature and while the compressor is off the defrost heater is activated and R FAN is on with a closed position of the damper Pe 2 n 9 8 Water Filter Indicator Function 1 Filter Indicator 1 1 This indicator initally lights in green The light color will be changed to orange after 5 month operation then to red at the 6th month The EEPROM in the control board counts a period of time regardless of a power failure 1 2 To reset the counter and the light color press Ice Type button and Child lock button for 3 seconds simultaneously 1 3 these two buttons are pressed simultaneously for 5 seconds this function will cease 1 4 To restore
71. ve the evaporator 5 With a file score the capillary tube just upstream of the soldered point Break off the 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 7 Install a replacement dryer 8 Evacuate and recharge the system using reasonable procedures Thermistor _ Refrigerator Thermistor The refrigerator thermistor is located inside of the upper light cover of the refrigerator CoolSelect Zone Thermistor The CoolSelect Zone thermistor is located outside the back of CoolSelect Zone drawer The temperature signal goes to the micro processor Mechanical Disassembly 8 2 Freezer Disassembly The door bins allow storage of perishable items 1 Push the bin up and slide it out d Freezer Shelf The shelves slide out for easy access for frozen items 1 Slide the shelf out until it reaches its stop Freezer Door Light Switch 2 Tilt down and slide it out of the compartment This switch is located in the left hand portion of the freezer and sends a signal to the processor 1 With a small flat blade screwdriver unlock the locking tabs and pull the switch out until the wire connector is visible 2 Disconnect the wire connector and remove the switch The ice dispenser is located in the upper portion of the freezer Th
72. vity 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 selected set temperature and functions memorized in EEPROM will be restored when the power is on 24 Operation Function 9 3 Quick Ice and Power Cool Functions e Select the Power Freezer Quick Ice or Power Cool button individually e These buttons are toggled ON amp OFF as well as the indicators e Although you select these functions the set temperature for the freezer amp refrigerator are not changed But interior temperature of both compartments will be controlled as mentioned below 1 Power Freeze Quick Ice function 1 1 When you press the Power Freeze Quick Ice button the LED indicator will immediately light up Please allow 10 second lag time to begin the actual operation When this button is pressed again the Power Freeze Quick Ice function stops and the indicator will turn off 1 2 If you select the Power Freezer Quick Ice interior temperature of the freezer will be controlled with 14 F until the Ice bucket is filled up with ice cubes When the Ice bucket is filled up with ice cubes the freezer will return to original set temperatures Also whenever the Ice bucket is released from being filled with ice cube the freezer will repeat to perform the Power Freezer Quick
73. yer Molecular Sieve XH 9 Compressor INSTALLATION Clearance must be provided for air circulation AT TOP P ae 1 AT SIDES 0 1 ET 5 M jt md peso pes E oD 5 Fan 1 Fem nO c Ba i NM ORE s X ps Air inlet A iii Heat exchanger J R Air inlet MODELS RS2544 RS2622 RS2644 RS2666 RS2777 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 SAMSUNG authorized service center The original dated bill of sale must be presented upon request as proof of purchase to SAMSUNG or SAMSUNG

Samsung RS2544 User's Manual

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