Samsung RF23 Series Service Manual
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Samsung RF23 Series Service Manual

Samsung RF23 Series Service Manual

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REFRIGERATOR
RF23J*/RF23K
REFRIGERATOR
FRENCH DOOR REFRIGERATOR
MODEL NAME:
RF23*
MODEL CODE:
RF23J*/RF23K*
1. Precautions (Safety Warnings) ........................... 5
2. Product Features and Specifications ................ 9
3. Disassembly and Reassembly ......................... 19
4. Troubleshooting ................................................48
5. PCB Diagram ......................................................88
6. Wiring Diagram ..................................................94
7. Schematic Diagram ...........................................95
8. References ..........................................................98
CONTENTS

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  • Page 1 REFRIGERATOR FRENCH DOOR REFRIGERATOR MODEL NAME: RF23* MODEL CODE: RF23J*/RF23K* CONTENTS REFRIGERATOR 1. Precautions (Safety Warnings) ......5 2. Product Features and Specifications ....9 3. Disassembly and Reassembly ......19 4. Troubleshooting ..........48 5. PCB Diagram ............88 6. Wiring Diagram ..........94 7.
  • Page 2 "look and feel" and arrangement of such Content, contained in this manual is owned, controlled or licensed by or to Samsung, and is protected by trade dress, copyright, patent and trademark laws, and various other intellectual property rights and unfair competition laws.

  • Page 3: Table Of Contents

    This document can not be used without Samsung’s authorization. CONTENTS 1. Precautions (Safety Warnings) ......................5 2. Product Features and Speci昀椀cations ....................9 2-1. Compartment Features by Model ............................ 9 2-2. Basic Product Speci昀椀cations ............................10 2-3. Comparison of Speci昀椀cations ............................11 2-4.
  • Page 4 This document can not be used without Samsung’s authorization. CONTENTS 4-1-5. Exhibition mode setting function ........................61 4-1-6. Option setting function............................61 4-1-7. Option TABLE ............................... 64 4-2. Troubleshooting by symptom ............................69 4-2-1. When there is no power at Inverter PCB (F Room Inverter, LC3-3A) ............69 4-2-2.

  • Page 5: Precautions (Safety Warnings)

    This document can not be used without Samsung’s authorization. 1. PRECAUTIONS (SAFETY WARNINGS) • Unplug the appliance before replacing or repairing any of the electrical parts. Be careful to avoid electric shock. • Make sure to use the correct replacement parts.

  • Page 6: Warning And Caution

    This document can not be used without Samsung’s authorization. PRECAUTIONS(SAFETY WARNINGS) Read all the instructions before repairing the product and make sure to follow the instructions in order to prevent danger or property damage. Unplug the refrigerator and remove all the items before repairing the product.
  • Page 7 This document can not be used without Samsung’s authorization. PRECAUTIONS(SAFETY WARNINGS) ❈ Please let users know about the following warnings & cautions in detail. Warning & Caution Customers should not store Drugs that require a specific Customers should not store full...
  • Page 8 This document can not be used without Samsung’s authorization. PRECAUTIONS(SAFETY WARNINGS) FLOORING To ensure that the product is properly installed, the refrigerator must be installed on a level, solid surface that is the same height as the rest of the flooring.

  • Page 9: Product Features And Speci昀椀Cations

    This document can not be used without Samsung’s authorization. 2. PRODUCT FEATURES AND SPECIFICATIONS 2-1. Compartment Features by Model Water Dispenser model : RF23J*/RF23K Fridge Fridge Freezer Freezer Cool Select Cool Select Room Room Appearance Fridge Compartment Freezer Compartment /...

  • Page 10: Basic Product Speci昀椀Cations

    This document can not be used without Samsung’s authorization. PRODUCT FEATURES AND SPECIFICATIONS 2-2. Basic Product Speci昀椀cations Speci昀椀cations Item Model no. RF23J*/RF23K External dimensions (width x depth x height) 35 3/4" X 28 7/8" X 71 7/8" (908 X 733 X 1825) Packing dimensions (width x depth x height) 38 1/4"...

  • Page 11: Comparison Of Speci昀椀Cations

    This document can not be used without Samsung’s authorization. PRODUCT FEATURES AND SPECIFICATIONS 2-3. Comparison of Speci昀椀cations Module RF23J*/RF23K Dimensions (width x depth x height) 35 3/4" X 28 7/8" X 71 7/8" (908 X 733 X 1825) Door SWING 4 Door/ STS+Pattern...
  • Page 12 This document can not be used without Samsung’s authorization. PRODUCT FEATURES AND SPECIFICATIONS Classi昀椀cation Remarks RF23J*/RF23K BLDC(12035GE-12M-YT-F1), φ120 10Wing. Freezer AIO Q7(NMB社) CW 12VDC 2.28W, 1775rpm BLDC(12035GE-12M-YT-F1), φ120 10Wing. Cool Select Room AIO Q7(NMB社) Motor CW 12VDC 2.28W, 1775rpm &...

  • Page 13: Speci昀椀Cations

    This document can not be used without Samsung’s authorization. PRODUCT FEATURES AND SPECIFICATIONS 2-4. Speci昀椀cations Model RF23J*/RF23K Freezer performance (4 stars) Model no. MSV172AL1B/E01(Freezer) / NC1MV43AMP/E01(Fridge) Compressor Driving type INVERTER Refrigerant R-134a, Freezer : 205gr / Fridge : 105gr Threshold that turns the sensor Threshold that turns the sensor Temp.
  • Page 14 This document can not be used without Samsung’s authorization. PRODUCT FEATURES AND SPECIFICATIONS Model RF23J*/RF23K Current 昀氀ows when F defrosting F compartment defrosting heater AC120V 121W is conducted. Current 昀氀ows when CV defrosting CV compartment defrosting AC120V 121W heater is conducted.

  • Page 15: Dimensions

    This document can not be used without Samsung’s authorization. PRODUCT FEATURES AND SPECIFICATIONS 2-5. Dimensions 908 mm 35 3/4” (908 mm) 35 3/4” (908 mm) 2 6/8” (72.3 mm) 2 6/8” (72.3 mm) 2” (50 mm) 2” (50 mm) 1 3/4” (43 mm) 1 3/4” (43 mm) 11 6/8”...

  • Page 16: Ice-Maker Function

    This document can not be used without Samsung’s authorization. PRODUCT FEATURES AND SPECIFICATIONS 2-6. ICE-MAKER Function - The ICE-MAKER function is an option and the following explains the function of these models. - The ICE-MAKER is a kit that supplies water on its own, freezes water into ice and stores the ice cubes in the Ice Container...
  • Page 17 This document can not be used without Samsung’s authorization. PRODUCT FEATURES AND SPECIFICATIONS 3) General Operation • Water Supply > Stand-by Time for Ice Making > Temperature Checking for Ice Maker Sensor > Ice Removing Water Supply Ice Making Ice Removing 1.

  • Page 18: Material Speci昀椀Cation

    This document can not be used without Samsung’s authorization. PRODUCT FEATURES AND SPECIFICATIONS 2-7. Material Speci昀椀cation Photograph Part Name Part Code AMOUNT FILTER WATER-ASSY DA29-00019A CASE LAMP REF DA61-08236A LED LAMP SIDE DA41-00519Q LED LAMP CONV (FRE) DA41-00676G 6(1set) Front...

  • Page 19: Disassembly And Reassembly

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-1. Precautions • Before replacing or repairing an electrical part, be sure to unplug the product's power cord. - Failing to do so may result in electric shock.

  • Page 20: Disassembling The Fridge Door

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-2. Disassembling the Fridge door How To Do Descriptive Picture 1. Remove the 3 screws 昀椀xing the Top Table and separate the Top Table (①). 2. Separate the 2 housing connectors (②) from the hinge at the top left of the fridge compartment door and the 1 housing connector (②-1) from the hinge at...
  • Page 21 This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY How To Do Descriptive Picture 5. Remove the right upper Hinge and then lift up the right Door and disassemble it. The door is able to fall down when disassemble the Hinge, so hold the Door with hand and then disassemble it.

  • Page 22: Disassembling The Freezer

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-3. Disassembling the Freezer There is a heater wire at the bottom of the freezer compartment. Before disassembling the door, be sure to disassemble the heater housing! Caution...

  • Page 23: Disassembling The Middle Hinge

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-4. Disassembling the Middle Hinge How To Do Descriptive Picture 1. Remove the 2 screws (③, ④) with a (+) screw driver and remove the 2 bolts (①, ②) with a 4.95mm hexagonal wrench to separate the middle hinge.

  • Page 24: Disassembling The Reed Switch

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-6. Disassembling the Reed Switch How To Do Descriptive Picture 1. Open the freezer/Cool Select Room door and check the location of the upper reed switch. 2. Insert the (-) screw driver into the groove next to the arrow to separate the Switch Cover.

  • Page 25: Disassembling The Display

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-7. Disassembling the Display How To Do Descriptive Picture 1. Remove the screw (1ea) on the bottom of the Dispenser. 2. Hold the bottom of the Dispenser and pull it forward to take it off from its locking tabs.

  • Page 26: Disassembling The Main Pcb And Inverter Pcb

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-8. Disassembling the Main PCB and Inverter PCB How To Do Descriptive Picture 1. Pull the refrigerator forward to secure suf昀椀cient work space behind the refrigerator. 2. Remove the 4 screws.(3 screws/1 earth screw)

  • Page 27: Dispenser

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-9. Dispenser How To Do Descriptive Picture 1. With a 昀氀at-head (-) screwdriver, separate the Wire Connector. 2. Remove the two screws from the Case Ice Route Assy.
  • Page 28 This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY How To Do Descriptive Picture 4. Do the assembly in the reverse order of the disassembly. When assembling the Case-Ice Route Assy, assemble the Water Hose properly. 5. When assembling the Display, slide it up and tap on...

  • Page 29: Case Water Filter

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-10. Case Water Filter How To Do Descriptive Picture To disassemble the Case Water Filter, remove the water 昀椀lter and all drawers and shelves. 1. Disconnect the 2 housing connectors.

  • Page 30: Water Filter (Assembly & Disassembly)

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-11. Water Filter (Assembly & Disassembly) How To Do Descriptive Picture 1. Turn the water 昀椀lter count-clockwise. (Refer to the picture) 2. Remove the water 昀椀lter by pulling it. (Refer to the picture) 3.

  • Page 31: Disassembling The Ref Evap Cover

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-12. Disassembling the REF EVAP Cover How To Do Descriptive Picture 1. Remove the screw cover with the (-) screw driver. (See the 昀椀gure) Take care not to scratch the cabinet or damage the screw cover.

  • Page 32: Disassembling The Fre Evap Cover

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-13. Disassembling the FRE EVAP Cover How To Do Descriptive Picture 1. Remove all the shelves and drawers. 2. Remove the 2 screws from both sides of the EVAP Cover.

  • Page 33: Disassembling The Machine Compartment Motor Fan

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-14. Disassembling the Machine Compartment Motor Fan How To Do Descriptive Picture 1. Remove 7 screws from the Comp cover 2. Separate the housing connector. 3. Remove the screw from the bottom part of the Motor Support Circuit Assy and pull the assy forward to separate it.

  • Page 34: Disassembling The Relay Protector O/L

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-15. Disassembling the Relay Protector O/L How To Do Descriptive Picture 1. Remove the 6 screws from the COMP Cover. 2. Separate the Relay Cover with the (-) screw driver.

  • Page 35: Disassembling The Step Valve

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-16. Disassembling the Step Valve How To Do Descriptive Picture 1. Remove the 6 screws from the COMP Cover. 2. Remove the screw and pull the Step Valve forward to separate it.

  • Page 36: Disassembling The Fridge Internal Lamp

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-17. Disassembling the Fridge Internal Lamp How To Do Descriptive Picture 1. Insert the (-) screw driver into the hook at the back and pull the internal lamp cover forward to separate Take care not to scratch the cabinet or damage the screw cover.

  • Page 37: Disassembling The Freezer Internal Lamp

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-18. Disassembling the Freezer Internal Lamp How To Do Descriptive Picture 1. Insert the (-) screw driver into the hook at the back and pull the internal lamp cover forward to separate Take care not to scratch the cabinet or damage the screw cover.

  • Page 38: Disassembling The Tempered Glass Shelf

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-19. Disassembling the Tempered Glass Shelf How To Do Descriptive Picture 1. Lift the shelf up slightly and pull it forward to separate it. 3-20. Folder Shelf Assembling...

  • Page 39: Disassembling The Vegetable Shelf

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-21. Disassembling the Vegetable Shelf How To Do Descriptive Picture 1. Remove the guard in front of the vegetable drawers and then remove the vegetable drawers as shown by the 昀椀gure.

  • Page 40: Disassembling The French

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-22. Disassembling the French How To Do Descriptive Picture 1. Remove the 2 screws. 2. Lift the French upward perpendicularly to separate it. (Refer to the 昀椀gure) 3. Separate the housing connector inside the French.

  • Page 41: Disassembling The Fridge Evaporator

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-23. Disassembling the Fridge Evaporator How To Do Descriptive Picture 1. Remove all the shelves and drawers and remove the 4 screws from the EVAP Cover. Remove the screw covers with the (-) screw driver.

  • Page 42: Disassembling The Freezer / Cool Select Room Evaporator

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-24. Disassembling the Freezer / Cool Select Room Evaporator How To Do Descriptive Picture 1. Remove all the shelves and drawers and remove the 2 screws on each of the left and right sides of the EVAP Cover.

  • Page 43: Ice-Maker

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-25. Ice-Maker How To Do Descriptive Picture 1. Wait for 5 minutes after manual defrost of freezer and fresh food compartments. (Reference of Forced Defrost method in troubleshooting) Lift up the Ice Bucket and pull it out.
  • Page 44 This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY How To Do Descriptive Picture 6. Remove the screw from the Duct Tray-ice. 7. With a 昀氀at blade screwdriver, push the duct to the right and remove it from the locking tab. (Refer to the image.) 9.

  • Page 45: Auger Motor Fan

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-26. Auger Motor Fan How To Do Descriptive Picture 1. Disconnect the FAN-AUGER-ASSY Connector. 2. Hold the Hook on the bottom of the FAN-AUGER-ASSY and lift it up to make it free from the Locking Tab.

  • Page 46: Humidity Sensor Removing

    This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY 3-27. Humidity Sensor removing How To Do Descriptive Picture As shown in the image on the right, Remove slowly the seal on the ASSY COVER EVAP REF. ※ Be careful not damage the seal Remove the 4 screws.
  • Page 47 This document can not be used without Samsung’s authorization. DISASSEMBLY AND REASSEMBLY How To Do Descriptive Picture Remove the 3 screws. As shown in the image on the right, Remove the 4 tape on both sides and 3 hook at the bottom.

  • Page 48: Troubleshooting

    This document can not be used without Samsung’s authorization. 4. TROUBLESHOOTING (1) (1) ( 1 ) Freezer (Hold 3 sec for Power Freeze) Touch this button to set the freezer to your desired temperature. You can set the temperature between -8 °F and 5 °F (between -23 °C and -15 °C).
  • Page 49 This document can not be used without Samsung’s authorization. TROUBLESHOOTING ( 5 ) Cool Select+ (Cool Select Room) The CoolSelect+ button lets you set the Cool Select Room on the bottom right of your refrigerator to one of four settings: Freezer, Soft Freezing, Chill, or Cool.

  • Page 50: Exhibition Mode

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING Exhibition Mode • Exhibition Mode is designed for use by retailers when they are displaying refrigerators on the shop 昀氀oor. In Exhibition Mode, the refrigerator’s fan motor and lights work normally, but the compressors do not run, and the refrigerator and freezer do not get cold.

  • Page 51: Functions For Failure Diagnosis

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-1. Functions for failure diagnosis 4-1-1. Test mode (manual operating / manual defrosting function) • If Freezer Key + Cool Select⁺ Key on the front of panel are touched simultaneously for 8 seconds , it will be changed to the test mode and all displays on the front of panel will be off.

  • Page 52: Display Function Of Communication Error

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING run as follows depending on the Forced Operation settings and the model. Display Operation Operating F Comp. R Comp. Time Freezer Fridge Cool Select Room (Freezer) (Fridge) Freezer: Continuous operation...

  • Page 53: Self-Diagnostic Function

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING display on the panel PCB will be ON/OFF alternately until the communication error is canceled. (0.5 sec ALL ON, 0.5 sec ALL OFF alternately) 2) Display function when Panel ⇀ MAIN MICOM OPTION has error 2-1) "OP Er"...
  • Page 54 This document can not be used without Samsung’s authorization. TROUBLESHOOTING 2) Self-diagnostic function during normal operation ① ① If the Freezer Key + Fridge Key are pressed simultaneously for 8 seconds, the Self-diagnosis function will be operated. 2-1) If Freezer Key + Fridge Key are pressed simultaneously for 6 seconds during normal operation, the temperature setting display will operate for 2 seconds (ON/OFF 0.5sec each).
  • Page 55 This document can not be used without Samsung’s authorization. TROUBLESHOOTING ✽ Detailed information about self-diagnostic error codes ※ For sensors (no. 1~7), refer to the sensor check points of the Main PCB Error Code Part Display Criteria To check if the part is normal...
  • Page 56 This document can not be used without Samsung’s authorization. TROUBLESHOOTING Error Code Part Display Criteria To check if the part is normal After separating the MAIN PCB CN70, CN70_1 wire from the PCB, check the resistance between CN70 1 The separation of the freezer compartment Freezer Defrosting and CN70_1 3.
  • Page 57 This document can not be used without Samsung’s authorization. TROUBLESHOOTING Error Code Part Display Criteria To check if the part is normal After separating the MAIN PCB CN51 wires from the PCB, check the resistance between CN51 1 and 2. (For the...
  • Page 58 This document can not be used without Samsung’s authorization. TROUBLESHOOTING Error Code Part Display Criteria To check if the part is normal R Comp start failure The error code is displayed when the compressor error has failed to start. Check the soldering status of the inverter PCB. (Check if any parts have short-circuited).

  • Page 59: Display Function Of Load Condition

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-1-4. Display function of Load condition ① ① ② ① If Freezer Key + Fridge Key are pressed simultaneously for 6 seconds, ALL ON/OFF will blink with 0.5interval for 2 seconds.
  • Page 60 This document can not be used without Samsung’s authorization. TROUBLESHOOTING ✽ Load mode checklist Part Display (LED) Description "a" and "b" at the lowest order digit of the R In the case of the R-FAN HIGHEST operation, the corresponding R-FAN HIGHEST compartment LED is turned on.

  • Page 61: Exhibition Mode Setting Function

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-1-5. Exhibition mode setting function ① ① ① ① If Freezer Key + Door Alarm Key + Fridge Key are pressed for 5 seconds, Exhibition mode will be started. 1) If Freezer Key + Door Alarm Key + Fridge Key are pressed simultaneously for 5 seconds during normal operation, Exhibition mode will be started with buzzer sound(ding-dong).
  • Page 62 This document can not be used without Samsung’s authorization. TROUBLESHOOTING KEY control method after converting to option mode ※ R Key control in option mode Freezer Key Code Down key Door Alarm Key Code Up key Fridge Key Reference Value down key Cool Select⁺...
  • Page 63 This document can not be used without Samsung’s authorization. TROUBLESHOOTING Code Reference Value 1) For example, if you want to change freezer compartment standard temperature to -2°C(-4℉) by operating option, do as below. This function is for changing the standard temperature.

  • Page 64: Option Table

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-1-7. Option TABLE 1) Temperature changing table of freezer compartment Set item Freezer Temp Shift MODEL RF23J*/RF23K Reference Fridge Room 7-SEG Value Setting value Temp. compartment compensation Code 0.0℃(0℉) -0.5℃(-1℉) -1.0℃(-2℉)
  • Page 65 This document can not be used without Samsung’s authorization. TROUBLESHOOTING 3) Cool Select Room Temperature Change Table Setting Item CV Compartment Temperature Offset Model Common for all models Location: R compartment temperature display Option F compartment temperature display Value of the Option setting 0 ℃...
  • Page 66 This document can not be used without Samsung’s authorization. TROUBLESHOOTING 5) Amount of water supply to ice tray Set item Amount of Water Supply Reference Fridge Room 7-SEG Value Setting value   Amount of water FZ compartment Code supply 65CC...
  • Page 67 This document can not be used without Samsung’s authorization. TROUBLESHOOTING 6) Time changing table of ice maker dropping standby time Set item Ice Maker Standby Time Reference Fridge Room 7-SEG Value Setting value   Temp. FZ compartment compensation Code 14min.
  • Page 68 This document can not be used without Samsung’s authorization. TROUBLESHOOTING 8) Temperature changing table of Ice Maker Dropping Temperature Set item Ice Maker Dropping Temperature Reference Fridge Room 7-SEG Value Setting value   Temp. FZ compartment Code compensation -13℃ -12℃...

  • Page 69: Troubleshooting By Symptom

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2. Troubleshooting by symptom 4-2-1. When there is no power at Inverter PCB (F Room Inverter, LC3-3A) - To check the Inverter PCB, refer Caution Start AC 115V and DC 310V flow on to the 'Operations' and 'Refer' the Inverter PCB Power Circuit.

  • Page 70: When The F Room Compressor(Msv172) Is Not Operating (F Room Inverter, Lc3-3A)

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-2. When the F Room Compressor(MSV172) is not operating (F Room Inverter, LC3-3A) Start When the inverter PCB LED is ON, it indicates that the compressor is operating normally 10 minutes have...

  • Page 71: When The R Room Compressor (Nc1) Does Not Operate (R Room Inverter, Lc4_3050)

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-3. When the R Room Compressor (NC1) does not operate (R Room Inverter, LC4_3050) When the inverter PCB LED is Start ON, it indicates that the compressor is operating normally...

  • Page 72: The Led Blinking Frequency Depending On The Protection Functions (F/R Room Inverter Pcb)

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-4. The LED blinking frequency depending on the protection functions (F/R Room Inverter PCB) If the Failure Condition is detected while the compressor is operating, stop the Compressor operating immediately and wait for 5 minutes.

  • Page 73: When A 1, 2, 4, 5, 6, 7, 13, 16, 24, 25 "E" Or "C" Error Occurs (Defrosting Failure)

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-5. When a 1, 2, 4, 5, 6, 7, 13, 16, 24, 25 "E" or "C" error occurs (defrosting failure) Start CN70 Are the F and R defrosting sensors normal when they are...

  • Page 74: When Occur The Cooling Defect By A Lot Of Frosting On The Fridge Compartment

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-6. When occur the cooling defect by a lot of frosting on the Fridge compartment Start (Cooling defect in the Fridge compartment) Dose the compressor Fix the compressor operation defect...

  • Page 75: When An Error Occurs In Self Diagnostic Mode (In Case Of A Sensor Error)

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-7. When an error occurs in self diagnostic mode (in case of a sensor error) - A sensor error is displayed on the front display panel of the refrigerator. If a sensor error is detected when the power is supplied to the refrigerator for the first time, the sensor error message is displayed on the display panel.

  • Page 76: When The Fan Does Not Operate (F, R, M, C - Fan)

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-8. When the Fan does not operate (F, R, M, C - FAN) - This refrigerator uses the BLDC Fan Motor. The BLDC Motor operates with DC 7~12V. - Under Comp On conditions, the R-Fan operates generally. But, when the ambient temperature is high or when you open and close the Door once, it operates after one-minute delay.

  • Page 77: When The Fan Does Not Operate (Ice Room - Fan)

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-9. When the Fan does not operate (ICE ROOM - FAN) - This refrigerator uses the BLDC Fan Motor. The BLDC Motor operates with DC 7~12V. - Under Comp On conditions, the R-Fan operates generally.

  • Page 78: When The Ice Maker Does Not Operate

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-10. When the ICE MAKER does not operate 1. Water supplies to the Ice Maker automatically and ice is to be scooped out depending on its temperature and the timing.

  • Page 79: When Water Does Not Supply At Ice Maker

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-11. When water does not supply at Ice Maker Advance Checking 1. Water is directly supplied to the Water Valve. So, make sure to cut off the water before doing repairs.

  • Page 80: When Cubed Or Crushed Ice Does Not Dispense Properly

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-12. When Cubed or Crushed ice does not dispense properly The operation condition is that Start the Fridge Door is closed. It dispenses ice? It dispenses ice? Ice Off is selected off? ①...

  • Page 81: When Cover Ice Route Motor (Geared Motor) Does Not Work Properly

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-13. When COVER ICE ROUTE MOTOR (GEARED MOTOR) does not work properly Caution 1. When replacing the Cover Ice Motor, pull out the plug to avoid an electric shock. 2. Be careful! When disassemble the Cover Ice Motor, spring can jumped out and may cause personal injury.

  • Page 82: When The Alarm Is Heard Continuously (Buzzer Sound)

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-14. When the alarm is heard continuously (buzzer sound) ① If a ‘dingdong' sound is heard Start continuously or the ‘Refrigerator door is opened’ message is displayed. The door is slightly open.
  • Page 83 This document can not be used without Samsung’s authorization. TROUBLESHOOTING ③ When there is no buzzer sound. The buzzer is attached to the Panel PBA in this model. If the buzzer does not sound when you press a key, run the Forced Operating operation or open the door, separate the Panel PBA and check if the buzzer is broken or improperly soldered.

  • Page 84: When The Panel Pba Does Not Work Properly

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-15. When the Panel PBA does not work properly ※ If no key is pressed for 10 seconds, the LEDs of the ① When the Panel PBA is not turned on or only some of the lamps are turned on display are turned off.

  • Page 85: When The Internal Lamp Of The Freezer Or Fridge Is Not Turned On

    This document can not be used without Samsung’s authorization. TROUBLESHOOTING 4-2-16. When the internal lamp of the freezer or fridge is not turned on Note. 1. If the freezer door is opened, the door switch is open-circuited and 5V is input to the micom indicating that the door is open.
  • Page 86 This document can not be used without Samsung’s authorization. TROUBLESHOOTING ■ Voltage and resistance of the temperature sensor by temperature Temp. Temp. Resistance Voltage Temp. Temp. Resistance Voltage Temp. Temp. Resistance Voltage (℉) (℃) (℉) (℃) (℉) (℃) (㏀) (㏀) (㏀)
  • Page 87 This document can not be used without Samsung’s authorization. TROUBLESHOOTING ■ Voltage of the humidity sensor by humidity RH (%) RH (%) Output (mV) Output (mV) 2376 2402 2428 1010 2454 1043 2480 1076 2505 1109 2530 1141 2555 1173...

  • Page 88: Pcb Diagram

    This document can not be used without Samsung’s authorization. 5. PCB DIAGRAM 5-1. PCB Layout with part positions (Main Board) Ⓖ Ⓖ Ⓗ Ⓗ Ⓒ Ⓒ Ⓐ Ⓐ Ⓕ Ⓕ Ⓒ Ⓒ Ⓚ Ⓚ Ⓔ Ⓔ Ⓑ Ⓑ Ⓙ Ⓙ...

  • Page 89: Pcb Layout With Part Positions (F Room Inverter, Lc3-3A)

    This document can not be used without Samsung’s authorization. PCB DIAGRAM 5-2. PCB Layout with part positions (F Room Inverter, LC3-3A) ③ ① ⑦ ② ④ ⑥ ⑤ 1. PCB Power Supply: From the SMPS circuit, it supplies 13.2V and 5V for the Main PBA control and supplies 15V and 5V to the Inverter circuit for the Compressor control.

  • Page 90: Pcb Layout With Part Positions (R Room Inverter, Lc4_3050)

    This document can not be used without Samsung’s authorization. PCB DIAGRAM 5-3. PCB Layout with part positions (R Room Inverter, LC4_3050) 1. PCB Power Supply: Supplies DC 15V and 5V to the Inverter circuit for the Compressor control. 2. COMP Driving / Feedback Circuit. It receives the R COMP(MSV) operating signals from the Main PBA and feeds the inverter errors back to the Main PBA.

  • Page 91: Connector Layout With Part Positions (Main Board)

    This document can not be used without Samsung’s authorization. PCB DIAGRAM 5-4. Connector Layout with part positions (Main Board)

  • Page 92: Connector Layout With Part Positions (F Room Inverter, Lc3-3A)

    This document can not be used without Samsung’s authorization. PCB DIAGRAM 5-5. Connector Layout with part positions (F Room Inverter, LC3-3A)

  • Page 93: Connector Layout With Part Positions (R Room Inverter, Lc4_3050)

    This document can not be used without Samsung’s authorization. PCB DIAGRAM 5-6. Connector Layout with part positions (R Room Inverter, LC4_3050)

  • Page 94: Wiring Diagram

    This document can not be used without Samsung’s authorization. 6. WIRING DIAGRAM 6-1. Dispenser Model...

  • Page 95: Schematic Diagram

    This document can not be used without Samsung’s authorization. 7. SCHEMATIC DIAGRAM 7-1. Basic Model...

  • Page 96: Whole Block Diagram (F Room Inverter, Lc3-3A)

    This document can not be used without Samsung’s authorization. SCHEMATIC DIAGRAM 7-2. Whole block diagram (F Room Inverter, LC3-3A)

  • Page 97: Whole Block Diagram (R Room Inverter, Lc4_3050)

    This document can not be used without Samsung’s authorization. SCHEMATIC DIAGRAM 7-3. Whole block diagram (R Room Inverter, LC4_3050)

  • Page 98: References

    This document can not be used without Samsung’s authorization. 8. REFERENCES 8-1. Glossary About Inverter technology This is a technology for ensuring efficiency that automatically controls the freezing and cooling performance depending on the various conditions including the surrounding temperature, the number of times the door is opened and the amount of stored food.
  • Page 99 This document can not be used without Samsung’s authorization. REFERENCES ✽ Glossary Terminology Description LED stands for Light Emitting Diode. An LED is a semiconductor device that emits visible light when an electric current passes through it. This refers to the communication ports of the micom.

  • Page 100: French Heater Control Using A Humidity Sensor

    This document can not be used without Samsung’s authorization. REFERENCES 8-2. French Heater Control Using a Humidity Sensor ▶ The French heater of the fridge is controlled by the humidity sensor value, the surrounding temperature and the fridge temperature. ▶ If the output voltage of the humidity sensor is 0.6V or lower or 4.7V or higher, it is judged to be a humidity sensor error (self diagnosis error code: 13E) and the French heater of the fridge is controlled by the surrounding temperature and the fridge temperature.

  • Page 101: Model Numbering Convention

    This document can not be used without Samsung’s authorization. REFERENCES 8-3. Model Numbering Convention...

  • Page 102: Troubleshooting. Check The Following Before Calling The Service Centre

    This document can not be used without Samsung’s authorization. REFERENCES 8-4. Troubleshooting. Check the following before calling the service centre Symptom Troubleshooting - The sound may be heard when the refrigerant inside the refrigerator 昀氀ows as a gas and a liquid.
  • Page 103 This document can not be used without Samsung’s authorization. REFERENCES Symptom Troubleshooting - Since the lamp in the freezer generates heat if the door is open for a long time, frost may appear The main body of the refrigerator and the due to the temperature difference between the external air and the freezer compartment.
  • Page 104 Asia: gspn2.samsungcsportal.com North & Latin America: gspn3.samsungcsportal.com China: china.samsungportal.com - This Service Manual is the property of Samsung Electronics Co., Ltd. Any unauthorized use of this Manual is punishable under the applicable International or domestic law. © Samsung Electronics Co., Ltd.

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