Samsung RF32FM SERIES Service Manual
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Samsung RF32FM SERIES Service Manual

French door refrigerator
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REFRIGERATOR
RF32FM**
REFRIGERATOR
FRENCH DOOR REFRIGERATOR
MODEL NAME:
RF32FM**
MODEL CODE:
RF32FMQDBSR/AA
1. Precautions (Safety Warnings) .........5
2. Product Features and Specifications ...9
3. Disassembly and Reassembly ....... 17
4. Troubleshooting .......................... 41
5. PCB Diagram .............................. 79
6. Wiring Diagram ........................... 85
7. Block Diagram............................. 86
8. References ................................. 89
CONTENTS

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Summary of Contents for Samsung RF32FM SERIES

  • Page 1 REFRIGERATOR FRENCH DOOR REFRIGERATOR MODEL NAME: RF32FM** MODEL CODE: RF32FMQDBSR/AA CONTENTS REFRIGERATOR 1. Precautions (Safety Warnings) ..5 2. Product Features and Specifications ...9 3. Disassembly and Reassembly ..17 4. Troubleshooting ......41 5. PCB Diagram ......79 6. Wiring Diagram ......85 7.

  • Page 2: Important Safety Notice

    The manufacturer or dealer will not be held 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.

  • Page 3: Table Of Contents

    CONTENTS 1. Precautions (Safety Warnings) ..............5 2. Product Features and Specifications ............9 2-1. Compartment Features by Model ......................... 9 2-2. Basic Product Specifications (inch/mm) .....................10 2-3. Comparison of Specifications (inch, mm) ....................11 2-4. Specifications ..............................12 2-5. Dimensions ..............................13 2-6.
  • Page 4 CONTENTS 4-2. Troubleshooting by symptom ........................58 4-2-1. When there is no power at Inverter PCB (F Room Inverter, LC3-3A) ........58 4-2-2. When the F Room Compressor(ENV2) is not operating (F Room Inverter, LC3-3A) ..... 59 4-2-3. When the R Room Compressor (MSV) does not operate (R Room Inverter, LC4) ....61 4-2-4.

  • Page 5: Precautions (Safety Warnings)

    1. PRECAUTIONS (SAFETY WARNINGS) ● Unplug the appliance before replacing or repairing electrical parts. ⇒ Be careful to avoid electric shock. ● Always use only the correct replacement parts. ⇒ Check the model name, rating voltage, rating current, running temperature symbols.
  • Page 6 PRECAUTIONS(SAFETY WARNINGS) Read all instructions before repairing the product and follow the instructions in order to prevent danger or property damage. Plug out and remove all the items in regrigerator prior to repair. CAUTION/WARNING SYMBOLS DISPLAYED SYMBOLS means "Prohibited". Indicates that a danger of death Warning means "Do not disassemble".
  • Page 7 PRECAUTIONS(SAFETY WARNINGS) ❈ Please let users know following warnings & cautions in detail. Warning & Caution Customers should not store narrow Drugs requiring precise Customers should not store glass or long bottles or food in a small temperatures should not be stored bottles of liquid in the freezer section.
  • Page 8 PRECAUTIONS(SAFETY WARNINGS) FLOORING For proper installation, this refrigerator must be placed on a level surface of hard material that is the same height as the rest of the flooring. This surface should be strong enough to support a fully loaded refrigerator, or approximately 660 lb (299kg).

  • Page 9: Product Features And Specifications

    2. PRODUCT FEATURES AND SPECIFICATIONS 2-1. Compartment Features by Model Water Dispenser model : RF32FM** Fridge Fridge Freezer Freezer Cool Select Cool Select Room Room Appearance Fridge Compartment Freezer Compartment / Cool Select Room A) Handle 1) Refrigerator lamps 7) Freezer lamps B) Buttons / Indicators 2) Refrigerator shelf 8) Freezer shelf...

  • Page 10: Basic Product Specifications (Inch/Mm)

    PRODUCT FEATURES AND SPECIFICATIONS 2-2. Basic Product Specifications (inch/mm) Item Specifications Model no. RF32FM** External dimensions (width x depth x 35 ¾” X 35 ¾” X 72 7/8” , (908 X 908 X 1850) height) Packing dimensions (width x depth x 38 1/4"...

  • Page 11: Comparison Of Specifications (Inch, Mm)

    PRODUCT FEATURES AND SPECIFICATIONS 2-3. Comparison of Specifications (inch, mm) Module RF32FM** Dimensions 35 ¾” X 35 ¾” X 72 7/8” , (908 X 908 X 1850) Door SWING 4 Door/ STS Fridge Top: 6 high-luminance lamps/ Side: 3 lamps*2ea Lighting Freezer/ 1 high-luminance lamp (top of compartment)

  • Page 12: Specifications

    PRODUCT FEATURES AND SPECIFICATIONS 2-4. Specifications Item Dimensions Model RF32FM** Freezer performance (4 stars) It will apply to product from ● June in 2014 Freezer MSV172AL1B/E01 Model no. MSV172AL1B/E01 Compressor Fridge MSV460AM1B/E01 NC1MV43AMP/E01 Driving type INVERTER Freezer Split Fin Type Evaporator Cooling device Fridge Split Fin Type Evaporator...

  • Page 13: Dimensions

    PRODUCT FEATURES AND SPECIFICATIONS 2-5. Dimensions 35 ¾” (908 mm) ” 35 ¾” 15 16 (785 mm) (908 mm) 4 ⅜" (112mm) 59 ¾” (1517 mm) (The model manufactured before Feb. 26 , 2013 is 1450mm.) 35 ¾” (908 mm) 71 ¾”...

  • Page 14: Ice-Maker Function

    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 with the capability of making ice automatically without manual controlling 1) ICE-MAKER Components 2) Initial Operations...
  • Page 15 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. After supplying water, it stands by for 14 minutes before starting the ice making. After that, it checks the Ice Maker Temperature.

  • Page 16: Material Specification

    PRODUCT FEATURES AND SPECIFICATIONS 2-7. Material Specification Photograph Part Name Part Code AMOUNT FILTER WATER-ASSY DA29-00019A CASE LAMP REF DA97-12606A LED LAMP SIDE DA41-00519Q LED LAMP CONV (FRE) DA41-00676G 6(1set) Front Rear...

  • Page 17: Disassembly And Reassembly

    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. • Be sure to replace any electrical parts with rated parts. - Be sure to check the model no, rated power voltage, operating temperature etc.

  • Page 18: Refrigerator Door

    DISASSEMBLY AND REASSEMBLY 3-2. Refrigerator Door How To Do Descriptive Picture 1. Remove the 3 screws fixing 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 the top right of the door.

  • Page 19: Disassembling The Freezer

    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 How To Do Descriptive Picture 1. Open the freezer compartment door and remove the screw fixing the hinge cover (①) at the bottom with the (+) screw driver.

  • Page 20: Disassembling The Middle Hinge

    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 21: Disassembling The Reed Switch

    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. Applying excessive force may damage the parts.

  • Page 22: Disassembling The Display

    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. And, remove the assembly by pulling it down.

  • Page 23: Disassembling The Main Pcb And Inverter Pcb

    DISASSEMBLY AND REASSEMBLY 3-8. Disassembling the Main PCB and Inverter PCB How To Do Descriptive Picture 1. Pull the refrigerator forward to secure sufficient work space behind the refrigerator. 2. Remove the 3 screws. 3. Separate the 19 housing connectors. (However, the number of housing connectors may differ depending on the model and functions.)

  • Page 24: Dispenser

    DISASSEMBLY AND REASSEMBLY 3-9. Dispenser How To Do Descriptive Picture 1. .With a flat-head (-) screwdriver, separate the Wire Connector. 2. Remove the two screws from the Case Ice Route Assy. 3. Pull out the Case Ice Route Assy.
  • Page 25 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 the bottom of it slightly to complete the assembly.

  • Page 26: Case Water Filter

    DISASSEMBLY AND REASSEMBLY 3-10. Case Water Filter How To Do Descriptive Picture To disassemble the Case Water Filter, remove the water filter and all drawers and shelves. 1. Disconnect the 2 housing connectors. 2. Pull out the water hose(blue) from the tube fitting by pushing in on the locking ring.

  • Page 27: Water Filter (Assembly & Disassembly)

    DISASSEMBLY AND REASSEMBLY 3-11. Water Filter (Assembly & Disassembly) How To Do Descriptive Picture 1. Turn the water filter count-clockwise. (Refer to the picture) 2. Remove the water filter by pulling it. (Refer to the picture) 3. Push the water filter directly. 4.

  • Page 28: Disassembling The Ref Evap Cover

    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 figure) Take care not to scratch the cabinet or damage the screw cover. Caution 2.

  • Page 29: Disassembling The Fre Evap Cover

    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. 3. Separate the EVAP Cover by pulling the bottom part forward.

  • Page 30: Disassembling The Machine Compartment Motor Fan

    DISASSEMBLY AND REASSEMBLY 3-14. Disassembling the Machine Compartment Motor Fan How To Do Descriptive Picture 1. Remove the 6 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 31: Disassembling The Relay Protector O/L

    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. When separating the cover, the pipe may fold and if excessive force is applied, a hand may become chopped.

  • Page 32: Disassembling The Step Valve

    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. 3. Separate the housing connector from the Step Valve.

  • Page 33: Disassembling The Fridge Internal Lamp

    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 it. Take care not to scratch the cabinet or damage the screw cover.

  • Page 34: Disassembling The Tempered Glass Shelf

    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 How To Do Descriptive Picture 1. Remove each one of the screws (2ea in total) from the front and the back of the Folder Shelf.

  • Page 35: Disassembling The Vegetable Shelf

    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 figure. 2. Lift the vegetable shelf (②) while pressing both sides of the Snap Fit (①).

  • Page 36: Disassembling The French

    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 figure) 3. Separate the housing connector inside the French. Note The French here refers to the part that looks like a long stick between the left and right fridge doors. (It prevents cold air from escaping through the gap between the left and right doors.)

  • Page 37: Disassembling The Freezer / Cool Select Room Evaporator

    DISASSEMBLY AND REASSEMBLY 3-23. 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. 2.

  • Page 38: Ice-Maker

    DISASSEMBLY AND REASSEMBLY 3-24. 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) Button Button 2. While pressing the tab on the top right side, lift up the Ice Bucket and pull it out 3.
  • Page 39 DISASSEMBLY AND REASSEMBLY How To Do Descriptive Picture 6. Remove the screw from the Duct Tray-ice. 7. With a flat blade screwdriver, push the duct to the right and remove it from the locking tab. (Refer to the image.) 8. With a flat blade screwdriver, pry down on the refrigerant tube to separate it from the bottom of the ice maker.

  • Page 40: Auger Motor Fan

    DISASSEMBLY AND REASSEMBLY 3-25. 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. 3.

  • Page 41: Troubleshooting

    4. TROUBLESHOOTING 4-1. Functions for failure diagnosis 4-1-1. Test mode (manual operating / manual defrosting function) • If CoolSelect Key + Fridge Key on the front of panel are pressed simultaneously for 8 seconds , it will be chang to the test mode and all displays on the front of panel will be off. •...
  • Page 42 TROUBLESHOOTING 2) Forced Operating function 2-1) If you press the Lock key once in Test Mode, the Display shows "FF" indicating a Forced Operation. At this time, the buzzer sounds a beep to indicate a Forced Operation. 2-2) In the Forced Operation (FF), if you press the Lock key again, "OF c" is displayed. At this time, if you press the Lock key again, "Fr"...

  • Page 43: Display Function Of Communication Error

    TROUBLESHOOTING 3) Forced defrosting function 3-1) If you press the Lock key again while the Forced Operation (Fr) is running, Fd is displayed on the Display, the Forced Operation (Fr) is cancelled immediately and the Forced defrosting (Fd) operation runs. 3-2) If Forced Freezing, Cool Select defrosting or Fridge Compartment defrosting (Fan Defrost) (Fd) begins, a beeping sound will be heard for 2 seconds and then the sound will be turned on for 0.5 seconds and then off for 0.5 seconds repeatedly while the Forced defrosting function runs.

  • Page 44: Self-Diagnostic Function

    TROUBLESHOOTING 4-1-3. Self-diagnostic function 1) Self-diagnostic function in the Initial power ON 1-1) Micom operates self-diagnostic function to check the temperature sensor condition within 1 second when the refrigerator turned On initially. 1-2) If bad sensor is detected by the self-diagnostic function, the applicable display LED will blink for 0.5 sec. 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.
  • Page 45 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 The voltage between the Main PCB CN30 pins 1 Freezer Sensor and 3 should be within the 4.5V~1.0V range.
  • Page 46 TROUBLESHOOTING Error Code Part Display Criteria To check if the part is normal After separating the MAIN PCB CN70 wire from the PCB, check the resistance between CN70 7 and The separation of the freezer Freezer Defrosting 1. (For the resistance value, refer to the electric compartment defrosting heater housing Error wiring diagram).
  • Page 47 TROUBLESHOOTING Error Code Part Display Criteria To check if the part is normal When the freezer temperature is abnormally The temperature has been abnormally increased. Check The F compartment high or the freezer door is open for a if the door has been open for a long time or if hot food abnormal high- certain period of time and the freezer has been stored in the compartment.
  • Page 48 TROUBLESHOOTING Error Code Part Display Criteria To check if the part is normal This error code is displayed when an Check the compressor wire connections. Check the R Comp location abnormal current is detected in the soldering status of the inverter PCB. (Check if any parts detection error compressor.

  • Page 49: Display Function Of Load Condition

    TROUBLESHOOTING 4-1-4. Display function of Load condition ① ① ② ① If CoolSelect Key + Energy Saver are pressed simultaneously for 6 seconds, ALL ON/OFF will blink with 0.5interval for 2 seconds. ② If take the finger off from above keys and press Fridge, load condition mode will be started. 1) If Power CoolSelect Key + Energy Saver are pressed simultaneously for 6 seconds during normal operation, the temperature setting display of fresh food and freezer compartments will blink ALL ON/OFF with 0.5 for 2...
  • Page 50 TROUBLESHOOTING ✽ Load mode checklist Part Display (LED) Description "a" and "b" at the lowest order digit of the In the case of the R-FAN HIGHEST operation, the R-FAN HIGHEST R compartment corresponding LED is turned on. "a" at the lowest order digit of the R In the case of the R-FAN HIGH operation, the corresponding R-FAN HIGH compartment...

  • Page 51: Cooling Off Mode Setting Function

    TROUBLESHOOTING 4-1-5. Cooling Off Mode setting function ① ① ① If CoolSelect Key + Freezer Key are pressed for 5 seconds, Cooling Off Mode will be started. 1) If CoolSelect Key + Freezer are pressed simultaneously for 5 seconds during normal operation, Cooling Off Mode will be started with buzzer sound(ding-dong).
  • Page 52 TROUBLESHOOTING KEY control method after converting to option mode ※ R Key control in option mode CoolSelect Code Down key Freezer Key Code Up key Energy Saver Reference Value down key Fridge key Reference Value Up key • If the display changes to option setting mode, all displays will be off except freezer and fridge compartments temperature display as below.
  • Page 53 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. In -19°C(-2℉) of current temperature of freezer compartment, if you make the temperature lower to -2°C (-4℉) by the option, the standard temperature would be controlled -21°C(-6℉) Therefore, if you change the setting of temperature option to -19°C(-2℉) on the panel, the appliance will be operated with -21°C(-6℉).

  • Page 54: Option Table

    TROUBLESHOOTING 4-1-7. Option TABLE 1) Temperature changing table of freezer compartment Set item Freezer Temp Shift MODEL RF32FM** Reference Fridge Room 7-SEG Value Setting value Temp. compartment compensation Code 0.0℃(0℉) -0.5℃(-1℉) -1.0℃(-2℉) -1.5℃(-3℉) -2.0℃(-4℉) -2.5℃(-5℉) -3.0℃(-6℉) -3.5℃(-7℉) Code Reference Value +0.5℃(+1℉) +1.0℃(+2℉) ex) If you want to change the freezer standard temperature to...
  • Page 55 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 Temp. display setting compensation 0.0 ℃ (0 ℉) -0.5 ℃ (-1 ℉) -1.0 ℃...
  • Page 56 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 suppl y 110CC 120CC Code Reference Value ex) If you want to change the amount of water supply to ice tray to 120CC 6) Time changing table of ice maker dropping standby time Set item...
  • Page 57 TROUBLESHOOTING 7) Temperature changing table of ice room Set item Ice Room Temp Shift Reference Fridge Room 7-SEG Value Setting value Temp. compartment compensation Code 0 ℉(0.0 ℃) -1 ℉(-0.5 ℃) -2 ℉(-1.0 ℃) -3 ℉(-1.5 ℃) -4 ℉(-2.0 ℃) -5 ℉(-2.5 ℃) -6 ℉(-3.0 ℃) -7 ℉(-3.5 ℃)

  • Page 58: Troubleshooting By Symptom

    This document cannot 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, Caution Start AC120V and DC170V flow refer to the 'Operations' and...

  • Page 59: When The F Room Compressor(Env2) Is Not Operating (F Room Inverter, Lc3-3A)

    This document cannot be used without Samsung's authorization TROUBLESHOOTING 4-2-2. When the F Room Compressor(ENV2) 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 passed since the COMP...
  • Page 60 This document cannot be used without Samsung's authorization TROUBLESHOOTING SPM FREEWHEELING DIODE VOLTAGE VALUE (F Room Inverter LC3-3A) : High-side Control Bias Voltage : Bootstrap Diode Voltage : High-side Supply Voltage CC(HS) : Low-side Supply Voltage CC(LS) FWD: Free Wheeling Diode...

  • Page 61: When The R Room Compressor (Msv) Does Not Operate (R Room Inverter, Lc4)

    This document cannot be used without Samsung's authorization TROUBLESHOOTING 4-2-3. When the R Room Compressor (MSV) does not operate (R Room Inverter, LC4) When the inverter PCB LED Start is ON, it indicates that the compressor is operating normally 10 minutes have passed since the COMP...
  • Page 62 This document cannot be used without Samsung's authorization TROUBLESHOOTING The SPM FREEWHEELING DIODE VOLTAGE VALUE (R Room Inverter LC4 )

  • Page 63: The Led Blinking Frequency Depending On The Protection Functions (F/R Room Inverter Pcb)

    This document cannot 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. During these 5 minutes, the RPM command signal is not available. Even if the RPM command that orders the compressor to run is sent, the compressor does not work and keep standing by.

  • Page 64: When A "1E", "2E", "4E", "5E", "6E", "7E", "13E", "16E", "24E" Or "25E" Error Occurs (Defrosting Failure)

    This document cannot be used without Samsung's authorization TROUBLESHOOTING 4-2-5. When a "1E", "2E", "4E", "5E", "6E", "7E", "13E", "16E", "24E" or "25E" error occurs (defrosting failure) Start Are the F and R defrosting sensors normal when they are checked by the self diagnostic function? Repair or replace the sensor.

  • Page 65: When Occur The Cooling Defect By A Lot Of Frosting On The Fridge Compartment

    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 of the fridge Fix the compressor operation defect compartment operate properly? Is there any refrigerant leakage of Fix the refrigerant leakage section fridge compartment Cycle? Self-examination start...

  • Page 66: When An Error Occurs In Self Diagnostic Mode (In Case Of A Sensor Error)

    This document cannot 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 67: When The Fan Does Now Operate (F, R, M, C - Fan)

    TROUBLESHOOTING 4-2-8. When the Fan does now 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 68: When The Fan Does Now Operate (Ice Room - Fan)

    TROUBLESHOOTING 4-2-9. When the Fan does now 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. - When there is defect, turn on the Self-Diagnosis function and confirm the defect before turning off the unit. Start COMP is running? Turn on Forced Operation.

  • Page 69: When The Ice Maker Does Not Operate

    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. 2. Power is always applied to the Ice Maker. So, refer to the disassembly section to remove it. 3.

  • Page 70: When Water Does Not Supply At Ice Maker

    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. 2. There is electricity flowing in the wire. So, take extra care not to get electric shock. Start Is the Valve operating sound Normal...

  • Page 71: When Cubed Or Crushed Ice Does Not Dispense Properly

    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 Check Ice Eject S/W ② Check DOOR S/W(Including Auger Safety Switch) ③...

  • Page 72: When Cover Ice Route Motor (Geared Motor) Does Not Work Properly

    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. 3.

  • Page 73: When The Alarm Is Heard Continuously (Buzzer Sound)

    This document cannot 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 74 This document cannot 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 75: When The Panel Pba Does Not Work Properly

    This document cannot 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 ① When the Panel PBA is not turned on or only some of the lamps are of the display are turned off.

  • Page 76: When The Internal Lamp Of The Freezer Or Fridge Is Not Turned On

    This document cannot 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 77 This document cannot 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 (℉) (℃) (㏀) (℉) (℃) (㏀) (℉) (℃) (㏀) 98.9...
  • Page 78 This document cannot be used without Samsung's authorization TROUBLESHOOTING ■ Voltage of the humidity sensor by humidity RH (%) Output (mV) RH (%) Output (mV) 2376 2402 2428 1010 2454 1043 2480 1076 2505 1109 2530 1141 2555 1173 2580...

  • Page 79: Pcb Diagram

    This document cannot be used without Samsung's authorization 5. PCB DIAGRAM 5-1. PCB Layout with part positions (Main Board) 1. Step-Valve Controlling Circuit (TDM Cycle) 2. Fan Motor Driving Circuit : It supplies to various types of motors (7.0V ~ 12.0V) 3.

  • Page 80: Pcb Layout With Part Positions (F Room Inverter, Lc3-3A)

    This document cannot 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 15V and 5V for the Main PBA control and supplies 15V and 5V to the Inverter circuit for the Compressor control.

  • Page 81: Pcb Layout With Part Positions (R Room Inverter, Lc4)

    This document cannot be used without Samsung's authorization PCB DIAGRAM 5-3. PCB Layout with part positions (R Room Inverter, LC4) 1. PCB Power Supply: Supplies DC 15V and 5V to the Inverter circuit for the Compressor control. 2. Inverter Control Circuit: Fridge Compressor Control Circuit.

  • Page 82: Connector Layout With Part Positions (Main Board)

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

  • Page 83: Connector Layout With Part Positions (F Room Inverter, Lc3-3A)

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

  • Page 84: Connector Layout With Part Positions (R Room Inverter, Lc4)

    This document cannot be used without Samsung's authorization PCB DIAGRAM 5-6. Connector Layout with part positions (R Room Inverter, LC4) AC Power (AC 110V) U Pharse V Pharse W Pharse...

  • Page 85: Wiring Diagram

    This document cannot be used without Samsung's authorization 6. WIRING DIAGRAM 6-1. Basic Model...

  • Page 86: Block Diagram

    This document cannot be used without Samsung's authorization 7. BLOCK DIAGRAM 7-1. Basic Model...

  • Page 87: Whole Block Diagram (F Room Inverter, Lc3-3A)

    This document cannot be used without Samsung's authorization BLOCK DIAGRAM 7-2. Whole block diagram (F Room Inverter, LC3-3A)

  • Page 88: Whole Block Diagram (R Room Inverter, Lc4)

    This document cannot be used without Samsung's authorization BLOCK DIAGRAM 7-3. Whole block diagram (R Room Inverter, LC4)

  • Page 89: References

    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. Inverter technology implementing ultra power-saving If the door is frequently opened and lots of food is...
  • Page 90 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. Tx, Rx TX : Transmit signal. RX : Receive Signal. The IC used to electrically drive devices.

  • Page 91: French Heater Control Using A Humidity Sensor

    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 92: Model Numbering Convention

    REFERENCES 8-3. Model Numbering Convention...

  • Page 93: Troubleshooting. Check The Following Before Calling The Service Centre

    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 flows as a gas and a liquid. A liquid flowing sound is heard! - In addition, the frost attached to the cooler may generate a sound like a ‘chikchik’ or ‘bukbuk’ and (ggurreuk, jigljigl, bukbuk, etc.) so on when the frost melts.
  • Page 94 REFERENCES Symptom Troubleshooting - Since the lamp in the freezer generates heat if the door is open for a long time, frost The main body of the refrigerator and may appear due to the temperature difference between the external air and the freezer the internal lamp cover in the freezer compartment.
  • Page 95 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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