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8-1) Refrigerator Disassembly

8-2) Freezer Disassembly

8-3) Refrigerator Disassembly

8. Mechanical Disassembly

Control Panel

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Door Handle

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Door Gasket

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Refrigerator Door Light Switch

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Refrigerator Light

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Tempered Glass Shelf

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Plastic Drawers in Refrigerator

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Gallon Door Bin

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Water Filter

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Evaporator Cover in the Refrigerator

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Upper Ductwork

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Evaporator Fan Motor

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Evaporator in Refrigerator

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Refrigerator Thermistor

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

CoolSelect Zone

Thermistor

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Door Bin in Freezer

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Freezer Door Light Switch

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Plastic(Wire) Drawer in Freezer

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Freezer Shelf

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Ice Dispenser

＆

Ice Maker

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Auger Motor Case

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Freezer Light

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Evaporator Cover in Freezer

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Upper Ductwork

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Evaporator Fan Motor

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Evaporator in Freezer

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Freezer Thermistor

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Ambient Thermistor

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Ice-Maker Thermistor

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Machine Compartment

＆

Electrix Box

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Water Solenoids

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Condenser Fan

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Sub-condenser

∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙

Содержание RS253BABB

Страница 1: ...BB RS253BASB RS255BAWW RS255BASB RS255BABB RS257BAWW RS257BASB RS257BABB RS257BARB Model SIDE BY SIDE REFRIGERATOR SAMSUNG Home Appliance Service For the latest information Please access to our service web site www samsungasc com ...

Страница 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 ...

Страница 3: ... Views and Dimensions 9 7 Refrigeration Cycle and Cool Air Circulation Route 11 8 Mechanical Disassembly 13 9 Operation Function 23 10 Circuit Descriptions 37 11 Diagnostics 46 12 Reference for circuit diagnostics 56 13 Illustrated Parts Catalog 60 14 Safety instruction on services 65 Appendix Ⅰ Ⅰ Circuit diagram 76 ...

Страница 4: ...low 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 SpaceTM 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 FreshTM Optimized humidity control keeps vegetables fru...

Страница 5: ...ect 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 n...

Страница 6: ...GERATOR Capacity CU FT Family S SIDE BY SIDE SBS H HomePADTM SIDE BY SIDE Buyer Code Label Location OPTION SBS 3 GOOD 5 BETTER 7 BEST BUYER BEST BUY A COLOR SBS SB STAINLESS PLATINUM WW SNOW WHITE VQ BISQUE GLOSSY BB BLACK RB REAL STAINLESS A A TOP PJT ...

Страница 7: ...BA 257BA DA41 00295A Thermistor Freezer DA32 10109W Thermistor Freezer Evaporator DA32 10105R Thermistor Refrigerator DA32 10105U Thermistor Refrigerator Evaporator DA32 00006B Thermistor Ambient DA32 00011G Thermistor CoolSelect ZoneTM DA32 10109X Thermistor Ice Maker DA32 10108B Relay DA35 10013Q Overload Relay DA34 10003D Run Capacitor 12 2501 001045 Fan Motor FRE DA31 00020E Fan Motor REF DA31...

Страница 8: ...erial numbers cosmetic damage or exterior finish accidents abuse neglect fire water lightning or other acts of nature use of products equipment systems utilities services parts supplies accessories applications installations repairs external plumbing and leaks external wiring circuit breakers fuses or connectors not supplied and authorized by SAMSUNG or which damage this product or result in servi...

Страница 9: ...Switch Deodorizer Wire Drawers Plastic Drawers Front Leg Cover Tilt Pockets RS253BA Model Egg Container Light upper Water Filter Spill proof glass Shelf Dairy Compartment Wine Self RS257BA Gallon Door Bin Lights lower RS255BA 257BA Gallon Door Bins Door Bin Top Lips CoolSelect ZoneTM Drawer Chilled Bin for RS257BA Vegetable Fruit Drawers RS255BA Model RS257BA Model ...

Страница 10: ...10 Interior Views and Dimensions 6 2 Dimensions of Refrigerator RS253BA 255BA 257BA Inches ...

Страница 11: ...tor Evaporator Freezer Evaporator Suction Pipe Compressor Refrigerator Evaporator Capillary Tube ACCUMULATOR Freezer Evaporator SUCTION PIPE Dryer Muffler SUB CONDENSER Hot Pipe Hot Pipe Compressor SIDE CLUSTER PIPE 7 Refrigeration Cycle and Cool Air Circulation Route 7 1 Refrigerant Route in Refrigeration cycle ...

Страница 12: ...12 Refrigeration Cycle and Cool Air Circulation Route 7 2 Cool Air Circulation Freezer Refrigerator ...

Страница 13: ...per Ductwork 16 Evaporator Fan Motor 16 Evaporator in Refrigerator 17 Refrigerator Thermistor 17 CoolSelect ZoneTM Thermistor 17 Door Bin in Freezer 18 Freezer Door Light Switch 18 Plastic Wire Drawer in Freezer 18 Freezer Shelf 18 Ice Dispenser Ice Maker 18 Auger Motor Case 19 Freezer Light 20 Evaporator Cover in Freezer 20 Upper Ductwork 20 Evaporator Fan Motor 20 Evaporator in Freezer 21 Freeze...

Страница 14: ...dle with an in and upward motion until it disengages the locking tabs Pull the handle outward to remove it 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 gasket separates from the door liner The refrigerator has a door light switch located in the upper right corner for the refrigerato...

Страница 15: ...ese 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 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 The door bins allow storage ...

Страница 16: ...over 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 direction of the arrow as shown 1 Remove the screw caps 2 and screws 5 2 Slide the upper fan du...

Страница 17: ...om 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 The refrigerator thermistor is located inside of the upper light cover of the refrigerator The CoolSelect ZoneTM thermistor is located outside the back of CoolSelect Zon...

Страница 18: ...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 The shelves slide out for easy access for frozen items 1 Slide the shelf out until it reaches its stop 2 Tilt down and slide it out of thecompartment The ice dispenser is located in the upper portion of the freezer This assembly stores ice made by the icemaker and dispenses ice 1 Lift th...

Страница 19: ... maker kit 3 Connect the ice maker wire connector 4 Match the tab holes and tabs 2 located on the top of the liner and slide the ice maker in 5 Tighten the screws 2 of the ice maker support This shelf is designed to support the ice maker ice dispensed and Xtra SpaceTM 1 Remove the Xtra SpaceTM cover to push it down and pull front 2 Slide the partition out 3 Remove the screws 2 on the bottom front ...

Страница 20: ...he wire connector 1 Remove the screw cap and screw 2 Slide the upper fan ductwork out while disconnecting the wire connector Lamp and Thermistor 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 Upper Ductwork Evaporator Fan Motor Freezer ...

Страница 21: ...ezer vent It sends temperature signals to the micro processor The ambient thermistor is located inside the upper hinge cover It sends temperature signals to the micro processor The Ice Maker thermistor is located in its bottom The temperature signal sends the micro processor Evaporator in Freezer M Me ec ch ha an niic ca all D Diis sa as ss se em mb blly y Accumulator Thermistor Bimetal Freezer Th...

Страница 22: ...sconnect water tubes 3 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 The sub condenser is located in the machine compartment The heat is extracted by condenser fan 1 Desolder the compressor discharge the sub conden...

Страница 23: ...oolSelect ZoneTM Function RS255BA RS257BA 26 9 8 Water Filter Indicator Function 27 9 9 Ice Maker Function 27 9 10 Defrost Function 29 9 11 Forced Operation Function Pull down R Defrost R F Defrost Cancellation 30 9 12 Sound Function 31 9 13 Exhibition Function 31 9 14 Self Diagnostics Function 31 9 15 Load Operation Check Function 33 9 16 Restoration Function for Power Outage 33 9 17 Set Point Sh...

Страница 24: ... bucket is filled up with ice cubes When the ice bucket is filled up with ice cubes the freezer will run with original set temperature Also whenever the ice bucket is released from being filled with ice cube the freezer will repeat to be controlled with 14 degrees Fahrenheit But if you select Ice Off the freezer always will be controlled with original set temperature 3 Refrigerator Temperature Con...

Страница 25: ...Cool operation and the indicator work exactly same as the Power Freeze function 2 2 When Power Cool is selected COMP and Refrigerator Fan operate continuosly until the refrigerator reaches 25 This function will be terminated after 2 hr running 3 When you select Power Freeze and Power Cool together Each function works at the same time The COMP and Freezer Fan run continuously and the Refrigerator F...

Страница 26: ...enser 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 According to the ambient temperature the condenser fan located in the machine compartment is operated with different modes ...

Страница 27: ... of this function is same as Quick Cool function 3 4 After this function ends this drawer will be maintained with 30 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 Refrigerator Fan is on with a closed position of the damper 1 Filter Indicator 1 1 This indicator initally lights off The light will be on the...

Страница 28: ...for ice production 1 4 After 2 hours the sensor located under the ice tray will measure the tray temperature If the temperature is maintained lower than 1 for 5 minutes and the ice full switch is off position the ice tray twisting process will begin 2 Water Supply function 2 1 When the ice tray is levelled again after ejecting ice the water solenoid valve will be controlled to supply water by Flow...

Страница 29: ...f 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 1 A defrost is determined based on the accumulated compressor on time 2 When the power is engaged for the first time the defrost cycle for the freezer and the ...

Страница 30: ...frost 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 1 4 After 24 hour operation the system will be cycled ...

Страница 31: ... of the system function except the compressor operation are working properly 2 2 There is no defrost cycle in this mode 1 Self Diagnostics in the initial Power ON 1 1 The control board performs a self diagnostics test within 1 second and check out the temperature sensors abilities 1 2 If a sensor failure occurs a corresponding LCD segment will blink with a beep 1 3 When a LCD segment blinks only t...

Страница 32: ...n In the freezer room if frost removal mode is finished due to limited time of 70 minutes Error is displayed PLC Related Wire Cut Defective PLC Module Defective Communication Components in Main PCB CONDENSER FAN ERROR COMP FAN Indicate Error if the F and G signals generated by the FAN motor operation are not input Display error when there is communication problem in PLC models FREEZER DEFROST ERRO...

Страница 33: ...r Cool buttons simultaneously for 12 seconds to get into this mode In this mode only the display LCDs for temperature will be ON NO Contents REFRIGERATOR FAN High or AC motor operation REFRIGERATOR FAN Low REFRIGERATOR DEFROST heater Start mode Overload mode Low temperature mode Exhibition mode COMPRESSOR FREEZER FAN High FREEZER FAN Low FREEZER DEFROST Heater CONDENSER FAN High CONDENSER FAN Low ...

Страница 34: ... 15 9 18 Table of Set Point Shift Function 34 Operation Function 1 Initially all products set the code 0 2 After 20 seconds from adjustment a new setting will be stored in EEPROM and return to the normal display 3 Freezer Temp Fridge Temp Ice maker water supply Ice tray temperature and CoolSelect ZoneTM temperature can be adjusted with this function 0 Reference Value ...

Страница 35: ... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Temp shift Code Temp shift 2 Shift the refrigerator temperature sensor 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 Operation Function Example If you are raising the current temperature of the refrigerator by 3 0 1 Reference Value ...

Страница 36: ...ons is limited to a model with the Ice Maker 4 Shift the Ice maker temperature sensor 0 Code CoolSelect ZoneTM temperature sensor 0 1 1 0 2 2 0 3 3 0 4 1 0 5 2 0 6 3 0 7 4 0 0 Code Ice maker temperature sensor 1 5 1 3 2 2 5 3 6 8 4 8 6 5 10 5 6 0 5 7 2 2 4 Reference Value 20 Reference Value ...

Страница 37: ...38 10 3 Reset Circuit 38 10 4 Door S W Sensing Circuit 39 10 5 Temperature Sensing Circuit 39 10 6 Key Scan and Display Circuit 40 10 7 CoolSelect ZoneTM Panel Circuit 42 10 8 Fan Motor BLDC Drive Circuit 43 10 9 EEPROM Circuit 44 10 10 Option Circuit 44 10 11 Load Drive Circuit 44 ...

Страница 38: ...ted voltage and transform into a steady 12V DC source power used for the digital display panel and relays The regulator REG1 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 This is oscillator circuit to generate synchronous clocks used to calculate the time for the microprocessor ope...

Страница 39: ...emark PIN 49 F SENSOR PIN 50 F DEF SENSOR PIN 52 R SENSOR PIN 53 R DEF SENSOR Micom terminal voltagemay change accordingto temp 1 A thermistor with a negative temperature coefficient NTC is used for a temperature sensor 2 Resistors R 301 R304 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 MICOM VF is calculated by Rt...

Страница 40: ...PCB and IC5 TD 62783AP then approximate 11V peaks will generate from an output terminal as shown on the next page The panel exchanges data through communication between Main PCB and Panel PCB With the initial power on Panel PCB gets information temperature and settings from Main PCB and displays it At this time it blinks at an interval of 0 5 sec On and 0 5 sec Off if there is communication proble...

Страница 41: ...ional 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 ZoneTM This sensor enables to control the features of CoolSelect ZoneTM 2 Damper drive circuit Circuit Descriptions 10 7 ...

Страница 42: ...12V 1 watt heater is mounted and activated continuously 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 RS253BA R fan is operated by AC 115V Motor 1 2 Voltages between high speed and low speed Note Under the conditions the fans will be operated in 2 options such a...

Страница 43: ... by the main PCB 2 Most of relays or SSRs can control compressor refrigerator freezer defrost heater and several option functions 3 For compressor 28 pin of micro processor signals High 5V This signal inputs 6 pin of IC3 and 13 of output terminal which have base and collector functions of IC3 turns on and connects the GND Relay 73 will be grounded through 13 of IC Magnetic lines will generate so t...

Страница 44: ...44 Circuit Descriptions 4 The principles of other loads is the same as 3 item described Note SSR Solid State Relay is a kind of Relay COMP equivalence circuit of drive section ...

Страница 45: ...S W 233Y Is the voltage impressed DC 5 8V between C and S Is 12V impressed to both terminals of C102 Is the load such as relay normal Is normal the load such as relay Is there any PCB soldering short or broken Normal Start TocheckthemainPCB pleaseapply descriptionsofoperationand referencesinthemanual YES Check the assembly and connection of electric wires NO Exchange fuse 115V 2A YES Check the PCB...

Страница 46: ... with forced operation Is MICOM No 28 High 5V Open and repair the connection Troubleshoot the sensor and Exchange PCB IsthevoltageofIC03pinNo 13between0 1V Open and troubleshoot the connection Is COMP relay normal Exchange or troubleshoot COMP relay Apply Ref 2 Is the contact of connector CN70 normal Insert connector completely Is COMP assembly normal Exchange and repair COMP assembly Normal NO YE...

Страница 47: ...eck temp fuse breaking of heater wire contact of wire and so on Is temp of the defrosting sensor below 5 Run forced operation for a specified period Repair the connection terminal Perform forced defrosting for F and F Room at a time Normal Check temp fuse breaking of heater wire contact of wire and so on Exchange or troubleshoot the failure relay or exchange PCB ass y Ispowerappliedtothe respectiv...

Страница 48: ...ts of Temperature Sensing Circuit section in the description of circuit operation A bad contact or connector missing Was the Panel PCB connector CN10 inserted correctly Is the ambient temperature sensor normal Is the input of voltage to R301 Panel PCB normal Start NO Exchange the temperature sensor NO Check the iced solder and short of main PCB NO YES YES YES YES See Ref 4 descriptions of circuit ...

Страница 49: ...lose Troubleshoot the breaking of wire and bad door S W Main PCB and door S W are normal Yes NO No slightly YES NO Connector not inserted Troubleshoot poor contact NO Exchange the door S W NO YES Isthestateofinsertedconnector CN30 being normal YES Is the door S W self unit normal YES 2 If Ding Dong sounds continuously Didn t you select Forced operation and Forced Defrosting Start Release the Force...

Страница 50: ... input forced operation or door open disassemble Panel PCB and check if the buzzer is broken or soldering is defective It is difficult to repair Panel PCB because it consists of SMD components When it is not a repairable defect regarding button press or minor scratch it is recommended to change the Ass y Does lead on the buzzer vibration panel come off Is the buzzer on Panel PCB broken or bent Doe...

Страница 51: ...hort 2 F CABIWireCheck WireCut Short 3 MainPCBPanelLampCircuit Short OpenCheck 1 F Door Wire Check Wire Cut Short 2 F CABI Wire Check Wire Cut Short 3 Main PCB Panel Comm Power Supply Circuit Short Open Check NO NO YES YES NO Defective Panel PCB YES YES Does it light up normally after Panel PCB is replaced NO NO Check after unlocking the system YES Is Lock lamp on YES Reassemble PCB Ass y Ease the...

Страница 52: ...heck if the fan motor has failure for itself 2 Check if the wire connections have a trouble of contact 3 Check the input of the fan motor rotation pulse in the operation motor fan See the details of Fan Motor Drive Circuit section at page 47 YES YES NO NO NO YES Isthevoltagebetween GNDofthemain PCBandpinNo 4 ofCN72aroundDC10V IsthevoltageDC10Vbetween CN30No 5andNo 6inthemain PCB section NO Isthevo...

Страница 53: ...reassemblybetween thepanelandmainPCB 1 CheckthewiresofCoolSelectZoneTM checkthedisconnectionofwire shortbetweenwires 2 CheckShort OpentheLightingCircuitsectionofCoolSelectZoneTM panelinthemainPCBfrom 3 ChecktheinsidemainPCBofCoolSelectZoneTM ass yforShort thestateofwireassembly betweenmainPCB NO NO YES YES NO Panel PCB has trouble for itself YES YES Islightingoperated normallywhentheexchangeofCool...

Страница 54: ...k the connections of F and R door S W check and troubleshoot the inside lamp socket YES NO NO YES Caution SeparatethedoorS Wandmeasureits resistancewithameasure Astheresult everyOpen CloseofthedoorS Wshouldturn0 respectively 1 Where0alonecomesout DoorS WhasShort trouble 2 Where alonecomesout DoorS Whas Opentrouble How to check Ifthedoorisopened thenthecontactofdoorS WisopenedandMICOMgetsapplied5Vt...

Страница 55: ...e of Main PCB IC3 and exchange it YES NO Does the contact shelf of RY76 relay turn 0Ϊ even in the power OFF FailureofMainPCB exchange ThecontactterminalofRY76 relayshortfailure YES NO FailureofMainPCBhas Exchangeit NO Main PCB IC3 has failure exchange it Main PCB is normal operated Necessary to check other sections 1 Check the wire between terminals of the AUGER motor and main PCB 2 Failure of cub...

Страница 56: ...etweenbothterminalsofcontact DC 12V Working Condition DC 0V Stop Condition DC 12V load working condition DC 0V load stop condition DC 12V load working condition DC 0V load stop condition 2 contact terminal Relay SSR Disconnect the connector of the main PCB CN70 and CN71 then check the follows 1 Measure the voltage at both terminals of a coil and determine if the relay is working 2 Measure the volt...

Страница 57: ...es short trouble Temperature fuse heater wires disconnection trouble Heater wires short trouble Heater wires and connector disconnection Coil wires short trouble Coil wires disconnection trouble Coil wires short trouble Coil wires disconnection trouble Coil wires short trouble Coil wires disconnection trouble Coil wires short trouble Coil wires disconnection trouble Unplug the powercord and discon...

Страница 58: ... 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 0V is checked when the door is closed it is normal If it is not check the door s w and electric wire connection Disconnect the connector from the Main PCB than measure the resistance of the following sensors 1 Checktheresistance...

Страница 59: ...0V Ground LEVEL Temp 12 2 14 0 15 8 17 6 19 4 21 2 23 0 24 8 26 6 28 4 30 2 32 0 33 8 35 6 37 4 39 2 41 0 42 8 44 6 46 4 48 2 50 0 51 8 53 6 55 4 57 2 59 0 60 8 62 6 64 4 66 2 Resistance 21 410 20 480 19 580 18 730 17 920 17 160 16 430 15 740 15 080 14 450 13 860 13 290 12 740 12 220 11 720 11 250 10 800 10 370 9 959 9 569 9 195 8 839 8 494 8 166 7 852 7 552 7 266 6 992 6 731 6 481 6 242 Voltage V...

Страница 60: ...RF044 RW111 RW661 RW700 RW660 RF031 RF034 RF045 RW735 RI081 RI080 RF034 RH020 RM001 RM011 RM017 RI021 RW433 RF022 RF022 RF046 RF002 RF066 RF005 RF019 RF041 RW650 RF037 RI087 RF028 RF011 RI073 RF040 RF025 RW601 RI085 RW604 RW576 RW427 RF036 RI085 RI089 RF087 RF050 RF001 RW647 RF048 RF001 RF050 RF022 RI011 RM010 RF012 RM016 RF020 RW650 RF054 RS092 RW459 RF052 RF052 ...

Страница 61: ...1 RO086 RI081 RI078 RI039 RI005 RI054 RI007 RI010 RI002 RI111 RI001 RF014 RF017 RI020 RI077 RI099 RI024 RI016 RM017 RI074 RI098 RF036 RF028 RI089 RI087 RI008 RI037 RI086 RI085 RW716 RI045 RI080 RF043 RI018 RI098 RI113 RI028 RW650 RW650 RI029 RI034 RI033 RI106 RI003 RI005 RI005 RW829 ...

Страница 62: ...W555 RW077 RW555 RO037 RO037 RO075 RM020 RO001 RO076 RO003 RM019 RO042 RO067 RO042 RW904 RH003 RW003 RH023 RO101 RW747 RI087 RF037 RI086 RH027 RQ747 RI085 RH018 RO002 RS045 RI085 RQ565 RH006 RH004 RH016 RH014 RH002 RW074 RH005 RW716 RH003 RW664 RO045 RO005 RO048 RO007 RO004 RO050 RO004 RH001 RF043 RO009 ...

Страница 63: ...3 RD0 22 RD0 19 RD05 1 RD050 RD0 19 R O 052 RD0 32 RD0 26 R O 021 R O 010 R O 058 R O 058 RD00 1 RD0 44 RD0 12 RD0 17 RD0 17 RD0 16 RD0 16 R O1 06 RD05 4 R W 395 R O 032 R O1 01 R O 024 R O 017 R O 032 RD05 4 R O1 02 R O 021 R E043 R E105 R O 058 RD0 65 R O1 03 RD05 3 R O 060 R W 395 R O 060 R O 017 ...

Страница 64: ...frigeratorDoor RE028 RE0 16 RE00 1 R O 010 R O 106 R O 021 R O 101 R O 032 R O 032 R O 024 RE0 43 R O 105 R O 021 R O 058 R O 102 R D 054 R D 054 RE0 34 RE02 5 RE02 5 RE02 5 RE02 1 RE02 1 R O 058 R O 058 R W 395 R O 017 R O 060 R W 395 R O 060 R O 017 ...

Страница 65: ...ssembled state when compared with the state before disassembly 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 If needed do the ground Especially if there is a possibility of the electric leakage this appliance must be properly grounded Do not allow consumers to use one outl...

Страница 66: ... 950 6193 6896 FAX 82 62 950 6829 Samsung Electronics Co Ltd Refrigerator Division 2005 02 Printed in Korea This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International or domestic law ...

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