Samsung RS27FDBTNSR/AA Service Manual Download | Manualshive

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25

FULL DISASSEMBLY AND ASSEMBLY

Part Name

How To Do

Descriptive Picture

F-Room
Evaporator –
Defrost
Heater/
Bimet al/
Defrost
Sensor

① F-Room Evaporator –After

removing the Fan Motor Ass’
y as shown in the photo,
remove the clamp screw
holding the evaporator.

② Turn the evaporator over

again to pull it out from its
case.

③ If necessary,remove Defrost

Heater/Bimetal/Defrost
Sensor by removing the
clamp screws and the clips.

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Summary of Contents for RS27FDBTNSR/AA

Page 1: ...BLY 15 4 FUNCTION FOR FAILURE DIAGNOSIS 31 5 DISASSEMBLY AND REASSEMBLY 49 6 PCB DIAGRAM 64 7 WIRING DIAGRAM 69 8 BLOCK DIAGRAM 70 9 REFERENCE INFORMATION 71 BASIC MODEL RS757LHQESR MODEL NAME RS27FDBTNSR AA RS27FDBTNSR AC RS27FDBTNSR For the latest parts information Please access to our service web site North America http gspn3 samsungcsportal com ...

Page 2: ... 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 2013 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: ...l operation manual defrost function 32 4 2 Display function of Communication error 33 4 3 Self Diagnostics function 33 4 4 Load Status Check function 36 4 5 Wi fi Network Module Check Function 38 4 6 How to Access the AP Mode and register your Smart Home Product 39 4 7 MAC Address Display Mode 39 4 8 Refrigerator Option Service Mode function 40 4 9 Option TABLE 42 4 10 Diagnostic method according ...

Page 4: ...Contents 7 Wiring Diagram 69 8 Block Diagram 70 8 1 Whole block diagram 70 9 REFERENCE INFORMATION 71 9 1 Trouble Shooting 71 9 2 Q A 73 ...

Page 5: ...pared with the state before disassembly Check the use circumstance of refrigerator If the refrigerator is installed at the place that is damp or wet or status of installation is unstable change the installation place Ground the refrigerator properly Particularly Be sure to earth when there is a risk of an electric leakage by humidity or wetness Do not use multi plugs in a plug socket at the same t...

Page 6: ... Caution Caution Unplug Use the rated components on the replacement Check the correct model ratedvoltage rated current operating emperature and so on On repair make sure that the wires such as harness are bundled tightly Bundle tightly wires in order not to be detached by the external force and then not to be wetted Check if there is any trace indicating the permeation of water If there is that ki...

Page 7: ...s on the product Opening or closing the door may cause things to fall down with may inflict a wound Prohibited Warning Caution Do not allow users to disassemble repair or alter It may cause fire or abnormal operation which leads to injury Do not disassemble Do not allow users to insert the power plugs for many products at the same time May cause abnormal generation of heat or fire Prohibited Do no...

Page 8: ...e rest of the flooring This surface should be strong enough to support a fully loaded refrigerator or approximately 573lb 260kg FLOORING Protect the finish of the flooring Cut a large section of the cardboard carton and place under the refrigerator where you are working When moving be sure to pull the unit straight out and push back in straight MOVING ...

Page 9: ...8 2 PRODUCT SPECIFICATIONS 2 1 Product Specifications 9 2 2 Dimensions of Refrigerator Inches 12 2 3 Refrigeration Cycle 13 2 3 1 Cold Air Circulation 14 ...

Page 10: ...5 1 cu ft 427ℓ Dimension Width 48 inch 1217 mm 42 inch 1067 mm Height 83 2 inch 2113 mm 83 5 inch 2121 mm Depth 25 8 inch 655 mm 25 8 inch 655 mm Without Handle Weight Net 612 9 lb 278 kg 573 lb 260 kg Rated V Hz AC 115V 60Hz AC 115V 60Hz Motor Power Consumption 162W 162W Heater Power Consumption 657W 657W Refrigerator Type Indirect Cooling Indirect Cooling Refrigerant R134a R134a Refrigerant Quan...

Page 11: ...36 X L1000 ID3 36 X L1000 Refrigerant R 134a R 134a Freezer THERMISTOR F SENSOR PX 41C MAX 5 8 Default 0 5 8 Default 0 MID MIN Refrigerator THERMISOR F SENSOR PX41C MAX 34 34 MID 37 37 MIN 44 44 Defrost Related Components Initial Defrost Cycle F R Defrost 6 Hr 10 Min 6 Hr 10 Min F Defrost Cycle 12 48Hr Vary according to the using conditions 16 48Hr Vary according to the using conditions R Defrost ...

Page 12: ...Z Overload Protector Model Name 4TM445PHBYY 82 4TM445PHBYY 82 On Temp 61 9 61 9 Off Temp 135 5 135 5 MAIN FUSE AC 250V 10A SB AC 250V 10A SB F Room Cooling Fan Motor DC12V DREP3030LC Φ67 L237 4 BLOWER FAN DC12V DREP3030LC Φ67 L237 4 BLOWER FAN R Room Cooling Fan Motor DC12V DREP3030LB Φ67 L295 5 BLOWER FAN DC12V DREP3030LB Φ67 L295 5 BLOWER FAN Comp Cooling Fan Motor DC12V DRCP5030LA Φ170 SHROUD F...

Page 13: ...doors open A B C D E F G H I J K DYF42SBIWS 42 1067mm 28 3 720mm 83 5 2121mm 93 5 2374mm 86 8 2204mm 42 5 1079mm 48 4 1229mm 39 2 995mm 13 5 343mm 17 7 449mm 43 3 1101mm inches MODEL Enclosure dimensions L M N DYF42SBIWS 42 1067 mm 24 610 mm 84 2134mm Location of Electrical Receptacle Water Supply Opening 20x20 DOOR 90 OPEN DOOR 135 OPEN ...

Page 14: ...SOR FRE EVAPORATOR CONNECTOR CAPILLARY REF EVAPORATOR SUB CONDENSER PIPE FRE REF HOT PIPE REF CAPILLARY TUBE FRE CAPILLARY TUBE FRE EVAPORATOR REF CAPILLARY TUBE FRE CAPILLARY TUBE RED SUB CONDENSER PIPE FRIDGE COMPARTMENT FREEZER COMPARTMENT REF EVAPORATOR DRYER DRYER ...

Page 15: ...14 product specifications 2 3 1 Cold Air Circulation FREEZER FAN FRIDGE FAN REF EVAPORATOR FRE EVAPORATOR FREEZER FRIDGE FRONT ...

Page 16: ...ow to Disassemble Each Component for A S 17 3 3 Dispenser Cover 18 3 4 Handle Cover Comp Freezer Door 20 3 5 Interior Overview 21 3 6 Bin Shelf Drawer 22 3 7 Ice Maker Evap 23 3 8 Duct Rail 26 3 9 Unit Pcb Box 28 3 10 Motor Damper 29 3 11 Heater Water Valve 30 ...

Page 17: ...frigerator in a damp place or place where it may come in contact with water Deteriorated insulation of electrical parts may cause an electric shock or fire The refrigerator must be grounded You must ground the refrigerator to prevent any power leakages or electric shocks caused by current leakage from the refrigerator Do not put bottles or glass containers in the freezer When the contents freeze t...

Page 18: ...ods of disassembling the parts are indicated in order for you to refer to the relevant page assigned to each number below Machine Compartment Cover Freezer Door Fridge Door Door Handle Dispenser NO Description Display Dispenser Lever Kick Plate Hinge Leg NO Description Make sure to turn the refrigerator off before disassembling the components as shown below 10 10 ...

Page 19: ... 1 After referring to the Dispenser Display Disassembly remove the 6 screws after separating the 2 Connectors Lamp Connector Wifi Connector and Temp sensor to disassemble the Display Cover 2 Lift up the PBA Lamp Wifi module in the arrow direction and remove it 3 Wifi module 3 3 Dispenser Cover ...

Page 20: ...route to the front Disconnect the connector 㣝㣞㣟 DISPENSER Ass y COVER ICE ROUTE Disconnect the wires and hoses from the assembly Loosen the circled 2 screws Push the shown in two hook in the direction of Inside and pull out the assy case ice route to the front 㣝㣞㣟 DISPENSER PUSH LEVER MICRO SWITCH Hold the lever as shown in the picture Squeeze your four fingers into the gap on the top right si...

Page 21: ...ing the Assy Grill disassemble 10 screws and pull out the Cover DOOR Disconnect the 3 housings inside of Machine Compartment Disassemble circled 1 screw blue and 3 Bolts red on the upper hinge Disassemble the circled 1 bolt red and Water Hose blue under the Lower Hinge X Y Z COVER DOOR Disassemble 17 Screws On the Door Top Bottom Side ...

Page 22: ...to the pages below for disassembling each part For the parts not illustrated in the photo refer to the exploded view Ice Storage Bin Freezer Storage F Room Lamp Ice Chute F Room Shelf F Room Utility Bin Dry Room Meat Drawer NO Description R Room Shelf R Room Lamp Veg Fruit Drawer Dairy Bin R Room Utility Bin Grille Panel NO Description ...

Page 23: ...g the ice bucket be sure to press it firmly into place R Room Dairy Bin Cover Flip the cover up and push it back to the direction as indicated with the arrow marks and lift it up to remove it Dairy Bin Lift Dairy Guard up with both hands and remove it Shelf Common to R and F Room Hold the shelf with one hand and lift the rear up with the other hand and pull it forward Drawer Common to R and F Room...

Page 24: ...er cord housing pull the Ice Maker Kit beside direction to disassemble Lift up the rear cover of the Auger Motor Ass y to disassemble When replacing the Ice Maker Geared Motor remove the 2 screws indicated with the arrow marks in the photo When replacing the Auger Motor remove the 4 screws indicated with the arrow marks and remove the hexnut at the motor axis to take the motor body and the rotatio...

Page 25: ...arrow mark Pull the drain hose out put it aside and remove the wire holder Remove the 2 screws that hold the evaporator case and lower the evaporator down slowly in order not to have the flexible pipe bend Release the wire from its retainer and pull the bottom side of the evaporator cover down as shown in the photo Release the six retaining hooks from both walls using a flat blade screwdriver and ...

Page 26: ... Bimet al Defrost Sensor F Room Evaporator After removing the Fan Motor Ass y as shown in the photo remove the clamp screw holding the evaporator Turn the evaporator over again to pull it out from its case If necessary remove Defrost Heater Bimetal Defrost Sensor by removing the clamp screws and the clips ...

Page 27: ...y 3 8 Duct Rail Part Name How To Do Descriptive Picture F Room Duct Remove the 6 clamp screws Pull the upper part of the F Room Duct X Y Rail Common to R and F Room Refer to the drawer disassembly to remove drawers Remove the screws ...

Page 28: ...g Remove the screws on the upper duct indicated with a arrow to disconnect the upper duct and remove the 2 screws that secure the evaporator Then lower the evaporator down slowly in order not to have the pipe bend Remove the front evaporator cover to disassemble the relevant parts as shown in the photo To remove the Fan Ass y remove the 4 screws that hold the Fan then disassemble the housing To re...

Page 29: ...driver Unscrew two screws off the gas struts and the other two screws from the hinge DOOR SWITCH Disassemble Cover Grill disassemble the Housing of the switch Disassemble the switch pulling dow PCB BOX Pull out Housing connected to the terminal block second remove 2 screws third disassemble ground wire and finally pull out PCBBOX Cover After opening PCB BOX Cover pull out Housing and disassemble 4...

Page 30: ...AN MOTOR Pull out Fan Ass y refer to figure disassemble circled 2 screws First disassemble the locking spring of Fan second disassemble 2 screws for mounting Motor Cover third disassemble the wire Housing and then pull out the Motor by rotating it POWER SWITCH Disassemble circle 2 screws mounting bracket and Housing connected to PCB BOX then pull out Power switch from the bracket INSULATION COVER ...

Page 31: ...E Turn off Water supply disassemble Cover Grill then disassemble the wire Housing of the Water Valve located at the left back Disassemble hex nut supply hose using wrench Disassemble Water Valve after disassembling the bracket and screw which secure the Water Valve POWER CORD Disassemble Cover Grill disassemble the circled 4 screws for mounting Housing Cover Pull out the Housing of the Power Cord ...

Page 32: ...Self Diagnostics function 33 4 4 Load Status Check function 36 4 5 Wi fi Network Module Check Function 38 4 6 How to Access the AP Mode and register your Smart Home Product 39 4 7 MAC Address Display Mode 39 4 8 Refrigerator Option Service Mode function 40 4 9 Option TABLE 42 4 10 Diagnostic method according to the trouble symptom Flow Chart 47 ...

Page 33: ...g Time Operation F Fan Freezer R Fan Fridge F Valve R Valve FF 24hr ON Temperature Control Swing Swing FF r 24hr OFF ON OFF ON FF F 24hr ON OFF ON OFF FF A 24hr ON ON ON ON 2 Forced Defrost Rd Forced Fridge Compartment defrosting rd begins a beeping sound will be heard for 2 seconds and then the sound will be turned on for 0 1 seconds and then off for 0 9 seconds repeatedly while the Forced defros...

Page 34: ... At this moment there is no beep sound Refer to self diagnostic CHECK LIST 1 3 Self diagnostic button is recognized only when the error is displayed by the bad sensor Display does not operate normally but temperature control will be controlled by the emergency operation 1 4 When the error is detected by self diagnosis the error can be canceled automatically if all troubled sensors are corrected or...

Page 35: ...is defective the Motor Wire is slipped out or the Motor is defective The voltage between Case Connector CN2 1 2 should be within 7V 12V 22 R Fan Error The voltage between Case Connector CN3 3 4 should be within 7V 12V 23 C Fan Error The voltage between Case Connector CN7 10 11 should be within 7V 12V 24 F Defrost Error Display error during operation of applicable fan motor Feed back signal line co...

Page 36: ...e error will disappear 72 Abnormal High Temperature of Fridge The error occurs when the Fridge temperature rises abnormally or when the Fridge Door remains open for a while while the unit s inside temperature is high When its Door remains open for an extended time or high temperature food is stored close the Door or take out the hot food Then after a while the error will disappear 81 Comp Startup ...

Page 37: ...condition display will blink ON OFF with 0 5 seconds interval 3 Load condition display mode shows the load that micom signal is outputting However It means that micom signal is outputting it does not mean whether load is operating or not That is to say that though load operation is displayed load could not be operated by actual load error or PCB relay error etc This function would be applied at A ...

Page 38: ...LL R 10 ⓓ When the Ice Maker s Bucket is full applicable LED blinks COMP F 1 ⓐ When COMP operates applicable LED blinks F FAN HIGHEST F 1 ⓑ ⓒ When F FAN HIGHEST operates applicable LED blinks F FAN HIGH F 1 ⓑ When F FAN HIGH operates applicable LED blinks F FAN LOW F 1 ⓒ When F FAN LOW operates applicable LED blinks F DEF HEATER F 1 ⓓ When F DEF HEATER operates applicable LED blinks C FAN HIGHEST ...

Page 39: ... 5 Wi fi Network Module Check Function Start Power On Wait 30 seconds Input MAC Address Display mode No Yes Check HW 4 3 12 Wifi is not woring Communication of Main Wifi works well Display on the Freezer Temperature segment during 1 min ...

Page 40: ...ct registration is automatically performed through the Easy Connection and when the product registration is completed the Refrigerator icon will appear on the application screen If you have failed during registration please retry from the beginning 5 Select the registered Refrigerator icon 1 This function is to display the MAC address of the Refrigerator Wi Fi module and consecutively displays the...

Page 41: ...temperature to 4 2 C by operating option do as below This function is for changing the standard temperature In 2 19 C of current temperature of freezer compartment if you make the temperature lower to 4 2 C by the option the standard temperature would be controlled 6 21 C Therefore if you change the setting of temperature option to 2 19 C on the panel the appliance will be operated with 6 21 C It ...

Page 42: ...mal display will be returned and the option setting mode will be canceled 4 Option changing method as above is the same as all model 5 By the same method as above it is possible to control the fridge compartment temperature water supply ice maker harvest temperature time defrost return time etc 6 Option function is set in the EEPROM at shipping process in the factory You would better not to change...

Page 43: ...42 Function ofr failure diagnosis 4 9 Option TABLE 1 Temperature changing table of freezer compartment ...

Page 44: ...43 Function ofr failure diagnosis 2 Temperature changing table of Fridge compartment ...

Page 45: ...ure diagnosis 3 Ice Tray water supply of freezer compartment Ice Maker In DISPENSER MODEL with flow sensor Only features 4 Eject waiting time changing table of freezer compartment Ice Maker In DISPENSER MODEL Only features ...

Page 46: ...ure diagnosis 5 Eject temperature changing table of freezer compartment Ice Maker In DISPENSER MODEL Only features 6 Minimum Comp RPM shifting This option is rising minimum Comp RPM As this option is applied Comp operation ...

Page 47: ...nction ofr failure diagnosis 7 Temp Display Option This option is for temp display all on mode If user wants temp display always on this option is solution 8 Operation rate changing table of dispenser heater ...

Page 48: ... 4 66 2 68 69 8 71 6 73 4 75 2 77 78 8 80 6 82 4 84 2 86 87 8 89 6 91 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 1385...

Page 49: ...6 3233 3260 3288 3316 3344 3372 3400 3426 3452 3478 3504 3530 3566 3595 3624 3653 3683 186 193 200 207 213 220 227 233 240 247 253 259 265 272 278 284 291 297 303 309 315 321 327 333 339 345 350 356 362 368 373 379 384 390 395 401 406 412 417 422 428 433 438 444 449 454 460 465 470 475 481 486 491 497 502 507 513 518 523 528 533 538 543 548 553 559 564 569 575 580 585 590 596 601 606 612 617 623 6...

Page 50: ...nectors Test the terminals on the PCB Case to check for voltage or operation related errors concerning QUEEN PJT The terminal composition is shown in the diagram If an error is found while testing the above terminals and the housing connectors check the inside of the PCB Case The following descriptions are based on the PCB Case ...

Page 51: ...50 Disassembly and reassembly TBI UPGRADE PLATE FIXER HOUSING PIN MAPPING GRAY COLOR OPTIONAL SPEC ...

Page 52: ...B 1 When there is no Power SMPS PCB CAUTION There are AC input voltage running on CN1 So be cautious when repairing the unit or measuring values Where to Check Input Voltage AC Voltage at CN1 Where to Check DC 12V At both CN5 CN2 Where to Check DC 5V At both CN5 CN2 Start No No No No Yes Yes Yes Yes Is the Power Plug plugged in Is the Power applied tothe both of the SMPS Power CN1 terminals IS 12V...

Page 53: ... CN103 1 3 is 2 2 5V START Refer to Test Functionin this manual 0 800Hz 50 Duty Signal Output Replace MICOM and MAIN PCB Check Wire Connectors Buzzer sound for Forced Operation has occurred Make sure to check after initiating Forced Operation Check after 5 minutes Freezer Sensor is normal Main PCB Temp Pick Up Section is normal Replace Freezer Sensor Check Connector Contact Defect Replace COMP ASS...

Page 54: ...e 1 Check the COMP terminals short U V W 2 Check IPM Pins short of Inverter PBA 3 Check IPM operating Voltage under DC 13 5V 4 Other cases check the COMP cycle etc IPM Fault Abnormal Current Detection 1 Check COMP wire connections U V W 2 Check PCB Bottom side soldering state 3 Other cases check the COMP cycle etc Motor Locked Over RPM 1 Check PCB Bottom side soldering state 2 Check Input voltage ...

Page 55: ...er to the Self Diagnosis Function in this manual Refer to the Test Function in this Manual Check the related sensors if they are defective Refer to the Relay Test Method Fridge Defrost RY74 Freezer Defrost RY73 F SEN Measure the voltage between CN2 1 5 F DEF SENSOR Measure the voltage between CN2 1 6 R SEN Measure the voltage between CN3 1 3 R DEF SENSOR Measure the voltage between CN3 2 3 After m...

Page 56: ... operated by the emergency operation mode You would better to check the appliance according to the self diagnosis of the manual R Sensor is normal Is it connected to PCB Case properly The wire connection to PCB Case complies to the Circuit Diagram PCB and R Sensor are normal Re check the Wire Connections Check the wires connected to the PCB Case Fridge Based on Case Wires Room Sensor CN3 1 3 Defro...

Page 57: ...or S W Is the PCB CASE CN7 Wiring connected to the MAIN PCB properly Is the Door S W normal MAIN PCB DOOR S W Normal Does the input voltage of PCB CASE CN7 change when opening and closing the Door When Door Open Sound keeps alarming When alarm sound Beep continues Freezer Door CN7 Fridge Door CN7 Normal Voltage Open 0V Close 5V When measuring the resistance of the Door S W check if it shifts 0Ω Ω ...

Page 58: ...e 5V NO NO YES YES YES START Is the connection between Panel PBA CN1 and Door Wire Harness normal Is the voltage output of the refrigerator normal Resistances at the Door Wire Connector and are 12V and 5V respectively Replace LCD Check if it works normal Check the status of the connection between Panel PBA and Door Wire Harness Check Power Supply related Parts ...

Page 59: ...tor Spinning Pulse Refer to the Fan Motor Drive Circuit in this manual peration Error due to Motor Fan Restriction Voltage betweenPCB CASE CN7 10 11 is measured betweenDC7 12V Voltage between PCB CASE CN3 3 4 is measured between DC7 12V Voltage between PCB CASE CN2 1 2 is measured between DC7 12V Does it repeatingbetween DC7 12and DC2V on PCBCASE CN7 10 11 Does it repeatingbetween DC7 12and DC2V o...

Page 60: ...ftheRoom Lampis13V START CAUTION 1 When replacing the Freezer Lamp be sure to turn off the power to prevent electric shock 2 LED lamps are used in the both of the Fridge and the Freezer compartments of this model Remove the Door S W And when measuring its resistance at its both terminals while opening and closing the Door the value should change between 0Ω and Ω 1 0Ω Door S W is short 2 Ω Door S W...

Page 61: ... electricity So please take care while repairing or measuring values START End Raise up the Volumn Re connect the Panel PBA and the Speaker YES Option Setting Sound is off Sound is normal YES NO The Panel PBA CN501 and the speaker are normal After replacing the Speaker the sound is normal NO Replace Speaker Replace Panel PBA YES NO NO YES ...

Page 62: ...r does not stop rotating Check if power is applied at PCB CASE CN9 Check Cover Ice Motor Control Circuit SSR71 on MAIN PCB Short or Open Check Wire Short Open at the wiring between PCB CASE and MAIN PCB CN9 CN71 CN9 CN72 When the Cover Ice Motor does not stop rotating When it is still defective with the above corrective actions When facing the Display Panel Left S W1 and Right S W2 When opening th...

Page 63: ...CB is normal Check the followings Check the continuity between the Water Valve and the Main PCB Check the Water Valve connector or replace the Water Valve Check the Water Line START Pre checking 1 Water is directly supplied to the Water Valve So make sure to cut off the water before doing repairs 2 There is electricity flowing in the wire So take extra care not to get electric shock Normal Operati...

Page 64: ...or Check Ice Eject Motor Wiring Check if COVER ICE ROUTE is open S W Open Check the Q707 operation regarding the AUGER_ MOTOR safety Crushed Ice Normal Operation Select Cubed Ice Select Dispenser Switch Check Wire Replace MAIN PCB Check Wire Replace MAIN PCB SSR72 IC14 Defect Ice Off is selected Crushed Ice is dispensed Crushed Ice is selected CUBE MOTOR is positioned to Crushed Dispenser Switch i...

Page 65: ... 1 PBA Layout with part position 94 5 2 Connector Layout Descriptions of Inverter Controller Board 95 5 3 Connector Layout with part position Main Board 96 5 4 Connector Layout with part position Inverter PBA SMPS PBA 97 ...

Page 66: ...ous types of motors 7 12V 3 EEPROM It stores various types of data 4 By receiving various sensor signals it sends them to MICOM after removing noise 5 PBA Panel Communication and Power Supply Circuit 6 Power Line Communication Circuit PLC input output 7 Inverter Compressor Driving Signal Section 8 LED Lamp Controlling 9 AC Load Controlling Driver IC Relay AC Connector a Diode Option Setting Sectio...

Page 67: ...erter circuit for the Compressor control COMP Driving Feedback CircuitIt receives the COMP operation signals from the Main PBA and feedbacks the inverter errors to the Main PBA Micom MN103SFC2D BOOTSTRAP Charger It is an independent power circuit for the driving of the IMP High Phase IGBT Current Pickup Circuit It pickups the currents taken by the Shunt resistance and does the PWM DUTY control IPM...

Page 68: ...67 PCB Diagram 6 3 Connector Layout with part position Main Board This document can not be used without Samsung s authorization ...

Page 69: ...68 PCB Diagram 6 4 Connector Layout with part position Inverter PBA SMPS PBA This document can not be used without Samsung s authorization ...

Page 70: ...69 7 WIRING DIAGRAM This document can not be used without Samsung s authorization ...

Page 71: ...70 8 BLOCK DIAGRAM MAIN BLOCK 8 1 Whole block diagram This document can not be used without Samsung s authorization ...

Page 72: ...elves in fridge instead of keeping them in the Cool Select Pantry You hear unusual noise or sounds Check that the Refrigerator is level and stable Is the back of the Refrigerator too close to the wall and therefore keeping air from circulating Try locate the refrigerator keep away from the wall over 2 inches Was anything dropped behind or under the Refrigerator A ticking sound is heard from inside...

Page 73: ...d Foods with strong odors for example fish should be tightly covered Clean out your Freezer periodically and throw away any spoiled or suspicious food Frost forms on the walls of the Freezer Is the air vent blocked Remove any obstructions so air can circulate freely Allow sufficient space between the foods stored for efficient air circulation Is the Freezer drawer closed properly Water dispenser i...

Page 74: ... and the shelves hit each other as the liners expand and contract due to the temperature change in both of the compartments Check the clearance between the selves and the liners Freezer Shelves Remove the trim shelves already attached and replace them with those supplied for service Fridge Shelves Because noise preventing trim selves are not attached it needs attaching What is the solution if the ...

Page 75: ...sulting in the increase of the noise level Explain it to customers and let them clean dust or any other foreign substances in the machine compartment As the vibration proof rubbers get hardened noises generate during the comp operation The noise level is quite high Replace the vibration proof rubbers The compressor is dislocated due to impact during its transportation such as moving in Check if it...

Page 76: ...ng to the self diagnosis checklist on the MAIN PCB cover If the over cooling keeps on even though there is no problem with the above replace it What can be done when frozen food gets melt in the freezer compartment or it does not cool down Defrost it by using hot water and check the defrost system for any fault And then eliminate the root causes so as to prevent it from reoccurring Why doesn t the...

Page 77: ...et soaked into the liners or other components If food generating much smell is stored inside it would stick onto the liners and other components and it is so difficult to remove the smell Especially customers should take care in storing smelly food properly with its sealing being tight during the early period of the product s use What can be done when the smell keeps on even thought the deodorizer...

Page 78: ...sion 2016 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 Eurpoe CIS Mideast africa gspn1 samsungcsportal com Asia gspn2 samsungcsportal com North Latin America gspn3 samsungcsportal com China china samsungportal com ...

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