Samsung RB215LASH, Service Manual

Page 1: ...RB215LASH RB215LABP REFRIGERATOR REFRIGERATOR PRODUCT FEATURE Reversible Door Auto Ice Maker Freezer Wire Box ...

Page 2: ...e 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 ⓒ2005 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 WARNING ...

Page 3: ...CAL DISASSEMBLY 11 8 REVERSIBLE THE DOOR SWING 18 9 INSTALLATION OF THE WATER LINE 23 10 TEMP CONTROL OPERATION FUNCTIONS 25 11 OPERATION PRINCIPLES BY PARTS OF CIRCUIT 46 12 DIAGNOSTICS 54 13 ILLUSTRATED PARTS CATALOG 71 14 REFERENCE 76 15 PCB DIAGRAM 79 16 CONNECTOR ARRANGEMENT DESCRIPTIONS 80 17 BLOCK DIAGRAM 81 18 CIRCUIT DIAGRAM 82 19 WIRING SCHEMATIC 83 20 TEMP TO RESISTANCE OF SENSOR MICOM ...

Page 4: ...frigerator 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 2005 Models R B 19 5 SH XAA Product R REFRIGERATOR Capacity 19 19CU FT 21 21CU FT B BOTTOM MOUNTED FREEZER BMF OPTION BETTER L A Buyer Lowe s A W2 PJT COLOR SB STAINLESS...

Page 5: ...ryer Capillary tube Earth screw Door switch Model Starting type Refrigerant Oil Charge Freezer Fridge Evaporator Compressor BMF 2 Door Electronic control CYCLO PENTANE CYCLO PENTANE A B S A B S 241 32 3 X 28 3 X 69 9 Model Type Temperature control Total Freezer Fridge Net Capacity ft 3 Cabinet insulation Door insulation Cabinet Door Liner Foam Net weight Ib Net dimension W X D X H 20 4 6 5 13 9 ST...

Page 6: ...ycle Concurrent Defrost of F and R Defrost Cycle FRE Defrost Cycle REF Pause Time Freezer Sensor Fridge Sensor FRE Evap Sensor REF Evap Sensor Ambient TEMP Sensor Defrost Heater FRE Drain Heater FRE Defrost Heater REF Drain Heater REF Ice maker Heater Temperature Electrical parts 242W 52W 120W 38W 10W AC250V 10A 170 6 9 Thermal Fuse for preventing overheating of Freezer Defrost Heater Thermal Fuse...

Page 7: ...semble Door Bin Push it up and slide it out to disassemble Glass Shelf Pull it out until its stop Tilt down and slide it out Ice trays Vegetable Drawer Gallon Bin Light Freezer Drawer 5 Interior Views and Dimensions 5 1 Shelves and Bins ...

Page 8: ...8 Interior Views and Dimensions MODEL RB215 A 26 3 B 30 3 C 59 8 5 2 Dimensions of Fridge Inches ...

Page 9: ...ion Cycle and Cool Air Circulation Route Compressor Sub condenser Cluster pipe Hot pipe Dryer Capillary tube R Evaporator F Evaporator Accumulator Suction pipe Compressor 6 1 Refrigerant Route in Refrigeration cycle ...

Page 10: ...10 Refrigeration Cycle and Cool Air Circulation Route 6 2 Cool Air Circulation ...

Page 11: ...Fridge Disassembly Control Panel 12 Fridge Light 13 Freezer Light 13 Evaporator Cover in the Fridge 14 Evaporator Cover in the Freezer 15 Evaporator in the Freezer 16 Evaporator in the Fridge 16 Machine Compartment Electric Box 17 ...

Page 12: ...12 Mechanical Disassembly 1 Remove the screws 2 Pull out the control panel 3 Disconnect the wire connector Control Panel ...

Page 13: ...h the cover and the screw it again 5 Plug the power cord in and check the lamp by pressing the R door switch Always unplug the power cord before replacing the fridge lamp There is the danger of electric shock 1 Remove the cover by pressing the bottom tab 2 Replace the two bulb by turning it counter clock wise 3 Reattach the cover and check the lamp by pressing door switch Warning Fridge Light Free...

Page 14: ...e screwdriver 3 Remove 6 Phillps screws from the cover 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 Evaporator Cover in the Fridge 6 Disconnect the wire connector Ductwork of the evaporator fan assembly ...

Page 15: ...ly 1 Remove all drawers from the freezer 2 Remove screws 2 from the support rail 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 5 Disconnect wire connector from the top left corner 2 screws Evaporator Cover in Freezer ...

Page 16: ... located in the bottom of fridge 1 Take off the ductwork in fridge 2 Disconnect the wire connector Heater and Thermistor 3 Desolder the capillary tube and the suction line from the evaporator 4 Remove 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 e...

Page 17: ...acing any electric components Mechanical Disassembly 2 Remove the screws of the compartment cover Slide it up and take out from the fridge 3 Mechine compartment assembly Machine Compartment Electric Box Warning 4 Disassemble the electric box cover after removing the screws with a Phillips screwdriver ...

Page 18: ...Disconnect electric wire on the top of the fridge Warning 1 If you want to change the door direction 2 Read the instructions carefully before starting 3 Handle parts carefully to avoid scratching paint 4 Set screws down by their related parts to avoid using them in the wrong places 5 Provide a non scratching work surface for the doors ex blanket 6 During door reversing fridge should not be stained...

Page 19: ...not to drop and scratch the Freezer door 10 After removing the left and right side screws disassemble the Grommet Stopper Door and Stopper Mid of the right bottom of freezer door 8 After removing the screw disassemble the Cover Hinge left and the Hinge right 5 Disassemble the fridge door by lifting it upward Be careful not to drop and scratch the fridge door Middle Hinge Middle Hinge Cover Hinge C...

Page 20: ...it upside down 15 Assemble Freezer Door by fitting the lower hinge into the hinge grommet hole Don t forget to insert washer with grease 16 Fix the additional Hinge mid into the door hole Door S W Door S W 13 Disassemble the Cap Door S W Sleeve and the screws Cap Door S W Cap Door S W Sleeve Sleeve Washer Washer Alternate Middle Hinge Alternate Middle Hinge 11 Move the hardware found on the right ...

Page 21: ...rdware from left side of door to the right side and vice versa 22 After removing the screw dissemble the Cover Cap Door and Cover Hinge Cover Hinge Cover Hinge Cover Cap Door Cover Cap Door 17 Reinstall the middle hinge on the left side of the cabinet Use the alternative hinge supplied Don t forget to insert washer with grease Washer Washer Grommet Grommet Stopper Door Stopper Door 21 Fit the frid...

Page 22: ...Cap wire taken from the left connector on the right connector 26 Assemble the Cover Hinge with the screws 27 Finally confirm opening and closing of the fridge door 28 Make any necessary adjustments to insure proper sealing of the doors 24 Re install parts in their opposing sides Electric wires must be sealed in covers Grommet Grommet Cap wire Cap wire Cover Hinge Cover Hinge ...

Page 23: ...ion is not warranted by the fridge or icemaker manufacturer Follow these instructions carefully to minimize the risk of expensive water damage Banging pipes water banging in the pipes in house plumbing can cause damage to fridge parts and lead to water leakage or flooding Call a qualified plumber to correct the problem before installing the water supply line to the fridge To prevent burns and prod...

Page 24: ... filter cartridge Replacement cartridge No DA29 00015A to ensure its performance Waterline must be connected to drinkable water only Compression fitting and nut will be given inside of ice bucket NOTE Do not overtighten the compression nut NOTE Slip the compression ferrule and nut on copper or plastic tubing as shown After inserting the sleeve tighten the compression nut onto the compression fitti...

Page 25: ...on 30 10 7 Machine Compartment F Fan Motor Delay Function 30 10 8 Ice Maker Function Only applicable to Model with the Auto Ice Maker function 31 10 9 Defrost Function 35 10 10 Test Function 35 10 10 Function when the power is applied for the first time 36 10 12 Power Compensation Function 37 10 13 Self Diagnosis Function 37 10 14 Power Compensation Function 40 10 15 Option Setting Function EEPROM...

Page 26: ...unction button is pressed 1 4 The STD temperature for each step is as follows Based on 1 3H copper bar 1 5 When the Freezer button is pressed 7 SEG will be changed immediately But its function will go into operation in 10 seconds When the Freezer button is pressed the current set temp will be displayed And when the button is pressed again within 5 seconds it will carry out the following 1 2 and wh...

Page 27: ...2 Fridge Temperature Control Step Temp 1 46 2 44 3 42 4 40 5 38 6 36 7 34 1 1 It is selected by pressing the Super Freeze button 1 2 When the Super Freeze button is pressed once Super Freeze will be turned on And then it will repeat Off and On each time you press the button after the above 1 3 With the initial Power On the LED is off When the F Room temperature is over 41 5 1 Super Freeze Function...

Page 28: ...erate continuously until it reaches to 28 B Comp and R Fan will operate continuously until it reaches to 28 But the operation time will not exceed 2 and a half hours C During the operation of Super Cool the freezer compartment will be controlled according to the Freezer Notch setting Super Freeze and Super Cool Functions Each function will go into operation independently With Super Freeze Comp and...

Page 29: ...e time to cancel its function When the Child Lock is selected all of the function buttons do not operate So temperature control Super and Ice Off functions wi l l keep their current settings It is devised to prevent children from changing the settings 1 2 When the Child Lock button is pressed the Child Lock LED will light up and when its function is cancelled the Child Lock LED will go off and oth...

Page 30: ...orced Operation it will send out a BEEP sound until the Defrost is completed idling time included or the cancellation is selected 3 4 With Forced R Defrost it will send out a BEEP sound 0 1sec ON 0 75sec OFF and with Forced F R Defrost it will send out a BEEP sound 0 5sec ON 0 5sec OFF Temp Control Operation Functions 10 6 Buzzer Alarm Function 1 The fridge is automatically controlled by temperatu...

Page 31: ...r the previously set option time Factory set value 5 0 sec and the Water Supply Valve is shut off Water is to be supplied regardless of F R Door Open The Ice Test S W does not operate during water supply After the water supply is completed it will evaluate Water Supply or No Water Supply one and a half minutes later When it becomes water supply condition due to no water supply water supply time wi...

Page 32: ...r supply is the same as that after the completion of the previous water supply regardless of the recognition of Water Supply No Water Supply The number of the previous water supply does not change In other words if the number of water supply before the Ice Test S W is pressed is 3 times the number of previous water supply after the completion of water supply by the Ice Test S W is 3 times Example ...

Page 33: ...e direction 4 1 1 Detailed movements by step during Ejection 1st step Ejection Temp Check Check whether the temp sensor is below 15 and whether the Ejection Standby time after Water Supply has passed At this time the Ejection Standby time will be reset when it goes into F Defrost during the standby and it will be recounted from the beginning after the completion of Defrost Then it checks if 58 58 ...

Page 34: ...he function is selected the indicator will be off immediately But when the ice maker is supplying water ejecting ice or performing horizontal leveling it will stop operating after the completion of the next water supply 6 5 When the ice making function is selected again it will accumulate time from the point of the selection and carry out the normal ice making and ejection functions after checking...

Page 35: ...l the LEDs will be off 1 2 When any of Super Freeze Super Cool Freezer and Fridge buttons is pressed within 15 seconds with the display panel shifted to the Test Setting Mode it will be selected in the order of Forced Operation Forced R Defrost Forced F R Defrost Cancel 1 3 When there is no button press within 15 seconds after the display panel is shifted to the Test Setting Mode it will go back t...

Page 36: ...ode is selected it will stop alarming 2 1 When the Test button is pressed one more time during Forced Operation it will go into R Room Forced Defrost Display for Forced R Defrost Press one of Super Freeze Super Cool Freezer Fridge buttons once during Forced Operation 1 When power is applied it will carry out the initial self diagnosis And if there is no error all the LEDs on the display panel will...

Page 37: ...play for about 3 seconds from the power on point regardless of the notch save if the F Room temperature is lower than 41 5 10 12 Power Compensation Function 1 Self diagnosis with initial power on 1 1 With power on MICOM checks the temperature sensors for errors in a second 1 2 If inferior sensor is found by self diagnosis relevant display LEDs will be all on and off at the interval of 0 5 sec Ther...

Page 38: ...R OPERATION Fault SENSOR LED Display Self Diagnosis Check List 2 Self diagnosis with initial power on 2 1 When pressing the Super Freeze button and the Super Cool button simultaneously for 6 sec during normal operation the entire temperature setting display will blink for 2 sec at the interval of 0 5 sec and when pressing the Super Cool button and the Super Cool button simultaneously for 8 sec inc...

Page 39: ...TWEEN MAIN PCB CN31 1 4 SHALL BE WITHIN 4 5V 1 0V 7 F DEFROST ERROR F ROOM HEATER SENSOR HOUSING SLIP OUT CONTACT DEFECT WIRE CUT WIRE SHORT OR TEMP FUSE DEFECT WHEN DEFROST DOES NOT FINISH EVEN AFTER A 70 MINUTE CONTINUOUS HEATING IT DISPLAYS THE ERROR AFTER SEPARATING THE MAIN PCB CN70 WIRE FROM PCB CHECK THE RESISTANCE BETWEEN BROWN ORANGE IT SHALL BE WITHIN OHM THE RESISTANCE VARIES ACCORDING ...

Page 40: ...d Status Display Mode only shows the status of the load operation command from MICOM MICOM sends out command signals So it does not mean the related components are in operation For example even though it shows that a load is operating it is not operating due to the load defect or the PCB relay defect It can be applied to A S 4 The Load Status Display function maintains for 30 seconds and it goes b...

Page 41: ... turned off except Freezer and Fridge All the options operate according to the Option Table So only Fridge and Freezer will be introduced 1 For example if you want to change option and shift the standard temp of R Room to 28 4 2 follow the directions below This function is to change the standard temp and if the current standard temp of F Room is 2 19 it can be lowered by 28 4 2 using the options a...

Page 42: ...n Temp Hysteresis Notch Gap for each temperature can be controlled 6 Since option is already set in EEPROM while sending out products at the factory do not change it randomly except for special occasions and do not turn off power before restoring to the normal display because option will be completed when it is restored to the normal display in 20 seconds In 20 seconds after the completion of the ...

Page 43: ...t Common All Models Fridge LED 0 Set Value Freezer LED 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Option Value 0 31 1 0 5 30 2 1 0 29 3 1 5 28 4 2 0 27 5 2 5 26 6 3 0 25 7 3 5 32 9 0 5 33 8 1 0 34 7 1 5 35 6 2 0 36 5 2 5 37 4 3 0 38 3 3 5 39 2 4 0 Option Value Ex When raising the Freezer standard temperature by 28 4 2 Option Item ...

Page 44: ...All Models Fridge LED 1 Set Value Fridge LED 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Option Value 0 31 1 0 5 30 2 1 0 29 3 1 5 28 4 2 0 27 5 2 5 26 6 3 0 25 7 3 5 32 9 0 5 33 8 1 0 34 7 1 5 35 6 2 0 36 5 2 5 37 4 3 0 38 3 3 5 39 2 4 0 Option Value Ex When raising the fridge standard temperature by 35 6 2 Option Item ...

Page 45: ...hanging the Defrost Sensor temperature to 1 4 17 Option Item Set Item LED Fridge Ice Maker Water Supply Time Control 20 Set Value F Room Temp Set Value 0 1 2 3 4 5 6 7 Option Value 5 sec 6 sec 7 sec 8 sec 9 sec 10 sec 11 sec 12 sec Option Value Ex When changing the water supply time to 9 seconds Option Item 3 Ice Maker Sensor Temp Shift This is the standard temperature checking if ice in the ice t...

Page 46: ...11 2 OSCILLATION CIRCUIT 47 11 3 RESET CIRCUIT 48 11 4 EEPROM DETECTION CIRCUIT 48 11 5 DOOR SWITCH DETECTON CIRCUIT 48 11 6 TEMP SENSING CIRCUIT 49 11 7 ICE MAKER OPERATION CIRCUIT 50 11 8 DISPLAY DRIVING CIRCUIT 51 11 9 LOAD DRIVING CIRCUIT 52 11 10 BUZZER CIRCUIT DIAGRAM 53 ...

Page 47: ...output via regulator REG1 7812 And it will supply DC5V to MICOM and power to other circuits via regulator REG2 MC7805ACT and make entire PCB operate 1 It is an Oscillation Circuit for synchronism clock generation and time calculation on the information sending receiving of the MICOM internal logic elements and when specifications for Resonator change the timing system of MICOM changes resulting in...

Page 48: ...s of compared to Vcc voltage DC 5V at MICOM and it maintains HIGH Vcc Voltage during normal operation But when Vcc drops down to 3 4 3 7V the reset terminal voltage becomes LOW 1 A semiconductor memory EEPROM stores data remembering previous settings regardless of power off which are indispensable especially in power fluctuating areas Also EEPROM sets and uses other options in principle Terminal V...

Page 49: ... opened the contact point of the door switch 4 1 becomes closed Then the power of the PCB line flows to the door switch through R404 and 0V is applied to the MICOM terminal And when the door is closed the contact point of the door switch 4 1 becomes open Then the power of the PCB line supplies 5V to MICOM via R404 and R401 which recognize the door as closed turn on the fan at the extra load termin...

Page 50: ...e the ice from the tray and return to the horizontal state For restoration motor stops for 2 seconds when the ejection is completed and to rotate in opposite direction output horizontal MICOM PORT NO 46 with high and perform horizontal positioning Motor rotation for ejection operates for 8 3 seconds and stays for 2 seconds Horizontal positioning rotates motor in opposite direction and it stops whe...

Page 51: ...DISPLAY DRIVING PRINCIPLE As shown in the wave diagram below Micom sends out high signals through the MICOM 6 terminals of NO 1 2 3 4 5 6 for 2ms each every 12ms This signal goes to output terminal via input terminal of IC51 TD62783AP or KID65783AP Here the peak to peak voltage of the square wave is 11 12V DC and each output wave is as follows ...

Page 52: ...C70 becomes low OV and 12V opposite side of coil flows to the Pin 12 of IC70 via the coil and goes into the ground While current flows to the coil the magnetic power arise it turns on the secondary contact point inside K72 and operates when the AC power is supplied to the both sides of the compressor When MICOM Pin 22 becomes Low 0V IC70 Pin 7 becomes Low which cut out the power and the current of...

Page 53: ...the above and MICOM controls the alarm function with 2KHz 12V is always applied to the circuit So when MICOM sends alarm signals to Q801 Transistor Bass the transistor is turned on applying 12V to the buzzer which operates the buzzer 4 7Kohm of R801 is a resistance for the production of quality buzzer sound ...

Page 54: ...ate 59 12 4 When FAN does not operate 60 12 5 When Defrost does not operate 63 12 6 When Alarm Sound continues without stop 65 12 7 Panel PCB Defect 66 12 8 When Room Lamp does not light up F R Rooms are the same 67 12 9 When Ice Water Valve does not operate Option 69 12 10 When Ice Maker does not operate Option Model installed 70 ...

Page 55: ...s and do repairing Is Power of primery DC TRANS applied Power Voltage Is Power of secondary DC TRANS applied PCB CN10 AC16V Is 12V terminal normal PCB C105 both terminal Voltage Is 5V terminal normal PCB C104 both termind Voltage Are wire connections of PANEL PCB normal Start YES Change DC TRANS Check PCB REG1 7812 Change PCB YES Check PCB REG2 7805 Change PCB YES Change the fridge Set YES YES Rec...

Page 56: ...B connector CN31 and Temp Sensor normal at the top right of the door Is the voltage of Ambient Sensor of MAIN PCB Connector CN31 normal Is MICOM Pin 57 input voltage normal Identical Voltage of CN31 Start ERROR INDICATION YES Connector contact trouble re insertion Short between connector Sensors Check wires according to the change of the door opening direction Refer to Temp detechion circuit senso...

Page 57: ...rtion Reconfirm electric wire connect section YES Check soldering fault short Lead Touch YES Change MAIN PCB YES Refer to Temp detechion circuit sensor of the circuit explanation Refer to Temp detection circuit sensor of the circuit explanation NO NO NO Change Defrost Sensor Is R Room Defrost Sensor normal Is MAIN PCB CN30 insertion normal Is both terminal VoltageofMAINPCBConnectorCN30 PURPLE BROW...

Page 58: ...of MAIN PCB Yellow BROWN normal Is MICOM Pin 51 input voltage normal Identical Voltage of CN30 Start YES Connector contact trouble re insertion Reconfirm electric wire connect section YES Check soldering fault short Lead Touch YES Change MAIN PCB YES NO NO NO Change Defrost Sensor Is F Room Defrost Sensor normal Is MAIN PCB CN30 insertion normal Is both terminal Voltage of MAIN PCB ORANGE BROWN no...

Page 59: ...ed Pre Check 12 3 When COMP does not operate NO NO NO NO NO NO Run Forced Operation Is Forced Operation on Is the MICOM 22 output HIGH 5V Is the IC70 12 LOW 0 7V Is COMP RELAY normal Is the contact of CONNECTOR CN70 contact normal Does COMP ASS Y Function normally Start YES Soldering checkout Change MICOM or PCB Change or repair IC70 Change PCB YES Check RELAY Change PCB YES Insert Connector compl...

Page 60: ...FAN F FAN does not operate 12 4 When FAN does not operate NO YES NO NO NO NO Start Forced Operation Is it during Forced Operation Does Fan operate with DOOR S W presses Including Delay Time Is DOOR S W normal Is the voltage of MICOM 42 5V Close condition Is insertion of CN71 PIN YELLOW of MAIN PCB normal Is voltage of MICOM Pin 27 HIGH 5V Start YES Normal R FAN Change DOOR S W NO Check soldering C...

Page 61: ...3 5V Close condition Is insertion of CN71 W BLUE of MAIN PCB normal Start YES Normal R FAN Check temp conditions Select Super Cool NO Change DOOR S W YES Check soldering Change PCB YES Re insert ConnectorCN71 NO Is voltage of MICOM Pin 30 HIGH 5V Check soldering Change PCB YES YES NO Is voltage of IC70 17 LOW 0 7V Check IC70 Change PCB YES NO Is R FAN RELAY SSR72 normal Check RELAY Change PCB YES ...

Page 62: ...ldering Change PCB YES Check soldering Change PCB YES Check Relay Change PCB YES Check contact of Connector CN71 again YES YES Check wire assembled status Chang MAIN PCB ASS Y Ambient Temp Range Load Operation Status Higher than 71 6 22 Between 62 6 17 69 8 21 Between 53 6 12 69 8 16 Between 44 6 7 51 8 11 Lower than 42 8 6 Comp Fan DELAY Comp Fan operates immediately upon COMP ON Comp Fan operate...

Page 63: ...Is concerned Defrost Sensor Temp higher than 12 Is power supplied to Defrost Heater A Are MICOM 21 15 HIGH 5V R Defrost Heater 21 F Defrost Heater 15 R Defrost Heater IC70 11 F Defrost Heater IC52 17 COMMON RELAY K72 R Defrost Heater K71 F Defrost Heater K70 Are IC70 11 IC52 17 LOW 0 7V Is Defrost Heater Relay K71 K70 normal Is contact of Connector CN70 normal Start YES YES Maintain Forced Operati...

Page 64: ...stance Appendix Temp Sensing Circuit Table Refer to concerned Sensor resistance Appendix Temp Sensing Circuit Table R Defrost Sensor 54 F Defrost Sensor 52 Is the input voltage of MICOM 54 52 higher than the voltage upon the terminated Temp Standby until it reaches a certain temperature Change concerned Sensor YES Normal YES Check temp pick up part Change PCB YES Change PCB A ...

Page 65: ...d goes off Room Lamp becomes OFF in 10 minutes since it detects Door Open In this case even though Door gets opened Room Lamp does not comes ON Note R DOOR SIGNAL MICOM 43 OPEN 0V CLOSE 5V F DOOR SIGNAL MICOM 42 OPEN 0V CLOSE 5V NO NO NO NO Contact trouble of Connector CN30 Insert it again Is insertion of MAIN PCB Connector CN30 normal Does DOOR S W come in out well Is DOOR S W good in condition A...

Page 66: ... change of the door opening direction NO NO NO NO Change PANEL PCB Is PANEL PCB normal Is insertion of PANEL PCB Connector normal Is insertion of PANEL PCB CN50 Connector normal Is insertion of Upper Hinge Cover Connector normal Start YES Re insert PANEL PCB Connector Check contacts Re insert MAIN PCB Connector Check contacts YES Re insert Connector Check contacts NO Is MAIN PCB 12V normal REG1 Ch...

Page 67: ...ts Re insert PANEL PCB Connector Check contacts YES Re assemble PANEL PCB COVER YES YES YES Release CHILD LOCK NO Recheck Change MAIN PCB ASS Y 1 When F R Room Lamps do not light up 12 8 When Room Lamp does not light up F R Rooms are the same Room Lamp F R 1 Check F Room Lamp ON after opening Freezer Door 2 Check F Room Lamp OFF by pushing Door S W 3 Check R Room with using the same method after c...

Page 68: ...rmal Re check the ccutact of the connector CN70 CN71 Normal Re check YES NO NO NO NO Check connector CN30 soldering short Change PCB Are the voltages of MICOM 42 43 for DOOR SWITCH normal Are MICOM 24 29 HIGH 5V Are IC70 13 16 LOW Are lamp controlling relay K73 K75 normal YES Change PCB Change PCB YES Change PCB Refer to the list 13 1 YES YES NO Is Room LAMP R F normal Change LAMP NO Is DOOR SWITC...

Page 69: ... Normal check the ice water valve hose Is the confirming sound of the valve operation heard when Ice Maker Test S W pushed Does Main PCB MICOM 31 have high 5V output Does Main PCB IC70 18 have low 0V output Is the contact point of main PCB RELAY K76 normal ICE WATER VALVE OPERATION CHECK YES Check short out Soldering PCB change Soldering short check PCB change YES Soldering short check PCB change ...

Page 70: ...ce Maker Test S W F Room Ice Maker It is not possible to check with the power disengaged Pre Check YES YES YES NO Normal Does Ice come out normally Does it rotate with the Ice Maker Test S W pressed Is the voltage at PBA MAIN CN90 more than 11V with the Ice Maker Test S W pressed Is voltage applied to IC90 PIN 7 DC11 12v Ice Check NO Check wires and Ice Maker Sensor Refer to Sensor Voltage Table o...

Page 71: ...RI080 RF031 RS090 RW433 RM003 RM001 RI021 RM017 RM010 RF081 RF050 RF067 RF079 RF051 RF068 RI085 RF010 RF036 RW394 RS087 RI074 RF026 RH029 RW648 RW648 RF070 RH029 RF069 RI095 RI096 RI071 RM001 RF002 RF004 RF001 RF006 RF010 RF011 13 1 Freezer ...

Page 72: ...Parts Catalog RI074 RS087 RI081 RI008 RF038 RI018 RW394 RF037 RI085 RS091 RI021 RF005 RI998 RW648 RI036 RI035 RW742 RH029 RI030 RI010 RW648 RI091 RH029 RI010 RI078 RI015 RI008 RI998 RI997 RI041 RI040 RW829 13 2 Fridge ...

Page 73: ...73 Illustrated Parts Catalog 20 RE001 RD025 RD001 RE058 RE062 RE063 RE021 RE025 RO116 RO052 RO058 RD025 RE043 RE053 RO116 RE043 RE043 13 3 DoorofFridge ...

Page 74: ...050 RO004 RO045 RO044 RF059 RO089 RO090 RW390 RF038 RH008 RO005 RF025 RW903 RW391 RO119 RO040 RF018 RO120 RH003 RW011 RH001 RW007 RH023 RH021 RH014 RH004 RH006 RH005 RH002 RW931 RH011 RO001 RE046 RO036 RO003 RO117 RW139 RI076 RO039 RH019 13 4 Cabinet ...

Page 75: ...embled state of parts It should be the same as the previous state Check out the surrounding conditions Change the location if the fridge is located at humid wet places or the installed state is unstable If needed ground the fridge Especially if there is a possibility of electric leakage ground is indispensable Do not allow consumers to overload a certain outlet Check out whether the power cord or ...

Page 76: ...WIRE SHORT THERMAL FUSE HEATER WIRE CUT THERMAL FUSE HEATER WIRE SHORT THERMAL FUSE HEATER WIRE CUT COIL WIRE SHORT COIL WIRE CUT MOTOR WIRE SHORT MOTOR WIRE CUT HOUSING SLIPPED AWAY MOTOR WIRE SHORT MOTOR WIRE CUT HOUSING SLIPPED AWAY MOTOR WIRE SHORT MOTOR WIRE CUT HOUSING SLIPPED AWAY LAMP WIRE SHORT LAMP WIRE CUT HOUSING LAMP SLIPPED AWAY LAMP WIRE SHORT LAMP WIRE CUT HOUSING LAMP SLIPPED AWAY...

Page 77: ...T SHORT FAULTY DRIVING CIRCUIT FAULTY K70 OR K72 NC CONTACT SHORT FAULTY DRIVING CIRCUIT FAULTY K71 OR K72 NC CONTACT SHORT FAULTY DRIVING CIRCUIT K72 NO CONTACT OPEN FAULTY DRIVING CIRCUIT FAULTY K71 K72 NC CONTACT OPEN FAULTY DRIVING CIRCUIT K72 NO CONTACT SHORT FAULTY DRIVING CIRCUIT K70 CONTACT SHORT FAULTY DRIVING CIRCUIT K72 NO CONTACT SHORT FAULTY DRIVING CIRCUIT SSR71 OPEN FAULTY DRIVING C...

Page 78: ...of Sensor locations 21 Temp Sensing Circuit Table and Part Spec in Manual and evaluate them 1 2 3 4 PBA MAIN PBA PANEL TRANS DC SENSOR 05 W2 PBA MAIN 05 W2 PBA PANEL BLUE 115V 60Hz 220V 50 60Hz 127V 60Hz 230V 60Hz F DEFROST SENSOR R DEFROST SENSOR F SENSOR R SENSOR AMBIENT SENSOR The second part DA41 XXXXX of CODE for MAIN PCB ASS Y PART may change according to MICOM or Option change so check it w...

Page 79: ...signals such as F R Door S W On Off and sends them to MICOM after filtering their noises 5 PLC Power Line Communication Circuit 6 Buzzer Circuit 7 Circuit for model classifying options 8 It is the display driving part controlling the LEDs and the button signals 9 It carries out the Ice Maker operation supplies power to the motor and detects the S W on off 10 It is Relay controlling AC load and ope...

Page 80: ...MON LINE L F HEATER F DRAIN ICE WATER VALVE R FAN COMMON LINE L R LAMP C FAN F FAN PANEL PCB WIRE PANEL GRID SIGNAL KEY TRANS IN AC TRANS IN AC ICE MAKER MOTOR GND ICE EJECT SENSOR TEST S W HORIZONTAL S W ICE FULL S W GND F DOOR S W GND F ROOM SENSOR F DEFROST SENSOR R DOOR S W GND R ROOM SENSOR R DEFROST SENSOR AMBIENT SENSOR GND ...

Page 81: ...OAD DETECTI O N SWITCH DETECTION MOTOR CONTROL DOOR CONTROL AD CONVERT CONTROL SENSOR DETECTION CIRCUIT DRIVING PART CONTROL DRIVING PART CONTROL CIRCUIT DOOR S W DETECTION CIRCUIT MAIN PCB R DEF HEATER R DRAIN HEATER ICE WATER PIPE HEATER AC COMPRESSOR F ROOM FAN R ROOM FAN ICE WATER VALVE F ROOM LAMP R ROOM LAMP DRIVING PART F DOOR SWITCH F ROOM SENSOR AC POWER INPUT POWER CORD AC100 240V EJECTI...

Page 82: ...POWER CIRCUIT DRIVING PART CONTROL CIRCUIT SENSOR DETECTION CIRCUIT DOOR S W DEFECTION CIRCUIT OPTION CIRCUIT BUZZER CIRCUIT RESET CIRCUIT OSCILLATOR CIRCUIT DISPLAY CONTROL CIRCUIT ICE MAKER CONTROL CIRCUIT EEPROM CONTROL CIRCUIT ...

Page 83: ...83 19 WIRING SCHEMATIC ...

Page 84: ...4 93 2 95 96 8 98 6 100 4 102 2 3 107 3 057 3 006 2 955 2 904 2 853 2 802 2 751 2 700 2 649 2 599 2 548 2 498 2 449 2 399 2 350 2 301 2 253 2 205 2 158 2 111 2 064 2 019 1 974 1 929 1 885 1 842 1 799 1 757 1 716 1 675 1 636 1 596 1 558 1 520 1 483 1 447 1 412 1 377 1 343 1 309 1 277 1 253 1 213 1 183 16419 15731 15076 14452 13857 13290 12749 12233 11741 11271 10823 10395 9986 9596 9223 8867 8526 8...

Page 85: ...272 Oseon Dong Kwangsan Gu Kwangju City Korea 506 253 TEL 82 62 950 6810 6811 FAX 82 62 950 6829 Samsung Electronics Co Ltd Refrigerator Division 2005 01 Printed in Korea Code No DA68 01130 REV 0 0 ...