Samsung RF18A Series Service Manual
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Samsung RF18A Series Service Manual

French door refrigerator
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SERVICE
REFRIGERATOR
RF18A51*
RF49A50*
RF20A51*
RF49A51*
RF44A50*
RF57A50*
RF50A50*
RF57A52*
REFRIGERATOR
FRENCH DOOR REFRIGERATOR
MODEL NAME : RF18A*
MODEL CODE : RF18A5101**
1. PRODUCT INFORMATION ·······································5
2. PRODUCT SPECIFICATIONS ···································9
3. FUNCTIONS & FEATURES ·····································26
4. DISASSEMBLY AND REASSEMBLY ····················28
5. CHECK THE INSTALLATION STATUS ···················63
6. SELF DIAGNOSIS & TROUBLE SHOOTING ······· 86
7. PCB DIAGRAM ······················································101
8. WIRING DIAGRAM ·············································· 103
9. BLOCK DIAGRAM ················································ 104
RF44A52*
RF50A52*
10. REFERENCE INFORMATION ····························105
RF49A52*
RF20A5101**
RF50A5002**
RF44A5002**
RF50A5202**
RF49A5002**
RF57A5002**
RF49A5102**
RF49A5202**
RF57A5032**
RF57A5232**
Manual
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Summary of Contents for Samsung RF18A Series

  • Page 1 REFRIGERATOR FRENCH DOOR REFRIGERATOR MODEL NAME : RF18A* MODEL CODE : RF18A5101** RF20A5101** RF50A5002** RF44A5002** RF50A5202** RF49A5002** RF57A5002** RF49A5102** RF49A5202** RF57A5032** RF57A5232** SERVICE Manual REFRIGERATOR CONTENTS 1. PRODUCT INFORMATION ·······································5 2. PRODUCT SPECIFICATIONS ···································9 3. FUNCTIONS & FEATURES ·····································26 4. DISASSEMBLY AND REASSEMBLY ····················28 5.
  • Page 2 SAMSUNG ELECTRONICS Company. Samsung is not liable for any damage to product, any injury or any other product safety issue caused by any attempt to repair the product which does not carefully...

  • Page 3: Table Of Contents

    Contents 1. Product Information ..........................5 2. Product Specifications .......................... 9 2-1) Introduction of Main Function ............................. 9 2-2) Interior Views ..................................10 2-3) Model Specification &Specification Chart ........................11 2-4) Dimensions of Refrigerator (Inches) ..........................19 2-5) Optional Material Specification ............................20 2-6) Refrigerant Route in Refrigeration cycle ..........................21 2-7) Principle Of Freezer ................................
  • Page 4 Contents 5. Check the installation status ......................63 5-1) Function for failure diagnosis ............................63 5-1-1. Test mode (manual operation / manual defrost function) ................. 63 5-1-2. Self-diagnostic function ............................67 5-1-3. Display function of Load condition ........................73 5-1-4. DEMO MODE 1 : Cooling OFF Mode setting function (North America model) ..........75 5-1-5.

  • Page 5: Product Information

    This document cannot be used without Samsung's authorization. 1. PRODUCT INFORMATION • Unplug the appliance before carrying out any repair. • Use rated electronic Control equipment. → Make sure to check out Model name, Rated voltage, Rated current, Operation Temp, etc.
  • Page 6 This document cannot be used without Samsung's authorization. PRODUCT INFORMATION 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.
  • Page 7 This document cannot be used without Samsung's authorization. PRODUCT INFORMATION ※ Please let users know following warnings & cautions in detail. Warning & Caution Do not allow users to store narrow Do not allow users to store Do not allow users to put bottles or...
  • Page 8 This document cannot be used without Samsung's authorization. PRODUCT INFORMATION 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 660lbs(299kg).

  • Page 9: Product Specifications

    This document cannot be used without Samsung's authorization. 2. PRODUCT SPECIFICATIONS 2-1) Introduction of Main Function ■ A newly developed SAMSUNG French door refrigerator in 2020 has the following characteristics. Image Feature Surround Multi Flow • Uniform cooling for each shelf and even in corner in fresh food compartment by center positioned fan and duct with multiple flow effluences.

  • Page 10: 2-2) Interior Views

    This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS 2-2) Interior Views [ Sleek Edge Door ] • Bending R value reduction • STS Anti-fingerprint [ Handle ] • Bar Type → Recessed [ Top Table Display delete ] •...

  • Page 11: 2-3) Model Specification &Specification Chart

    This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS 2-3) Model Specification &Specification Chart RF44A5002* RF18A5101* RF50A5202* RF50A5002* ITEM Basic+Wifi Basic Disp. 32 1/8” 817mm 817mm W/O Door 24 1/2” 625mm 625mm External W/O Handle 28 1/8” 715mm 715mm...
  • Page 12 This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS RF44A5002* RF18A5101* RF50A5202* RF50A5002* ITEM Basic+Wifi Basic Disp. Shelf-Ref 2EA(GLASS) 2EA(GLASS) 2EA(GLASS) Cover Veg 1EA(GLASS) 1EA(GLASS) 1EA(GLASS) Veg Box Water Tank Interior Fridge Number of Door Bin Feature Gallon Door Bin...
  • Page 13 This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS Model Specification &Specification Chart RF20A5102* RF49A5002* RF49A5102* RF49A5202* ITEM Basic+Wifi Basic Basic+Wifi Disp. 32 1/8” 817mm 817mm 817mm W/O Door 26 1/2” 675mm 675mm 675mm External W/O Handle 30 1/8”...
  • Page 14 This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS RF20A5102* RF49A5002* RF49A5102* RF49A5202* ITEM Basic+Wifi Basic Basic+Wifi Disp. Shelf-Ref 2EA(GLASS) 2EA(GLASS) 2EA(GLASS) 2EA(GLASS) Cover Veg 1EA(GLASS) 1EA(GLASS) 1EA(GLASS) 1EA(GLASS) Veg Box Water Tank Interior Number of Fridge Feature Door Bin...
  • Page 15 This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS RF57A5032* RF57A5232* ITEM Basic Disp. 817mm 817mm W/O Door 675mm 675mm External W/O Handle 765mm 765mm size With Handle 765mm 765mm With Hinge Cap 1776mm 1776mm Total (AHAM/ISO) 479L 470L...
  • Page 16 This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS RF57A5032* RF57A5232* ITEM Basic Disp. Shelf-Ref 2EA(GLASS) 2EA(GLASS) Cover Veg 1EA(GLASS) 1EA(GLASS) Veg Box Water Tank Interior Fridge Number of Door Bin Feature Gallon Door Bin Lighting Top LED Top LED...
  • Page 17 This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS Model Specification &Specification Chart Items Specification RF44* RF49* Model RF18* RF20* RF50* RF57* Model NN34M9112ARTT3 NN34H9112APTT3 NN34M9112ARTT3 NN34H9112APTT3 Compressor Starting type BLDC Oil Charge Mineral 5 250cc Freezer Split Fin Type...
  • Page 18 This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS Items Specification RF57A5032* Model RF57A5232* Defrost Heater (FRE) Heated at F Defrost AC 120V, 230W / AC 230V, 230W Defrost Heater (REF) Heated at R Defrost AC 115V, 100W / AC 230V, 100W...

  • Page 19: 2-4) Dimensions Of Refrigerator (Inches)

    This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS 2-4) Dimensions of Refrigerator (Inches) - Model : RF18A5*, RF44A5*, RF50A5*RF20A5*, RF49A5*, RF57A5* RF20* RF18* Model RF44* RF49* RF50* RF57* Depth "A" 715 mm 765 mm Width "B" 817 mm 817 mm Height "C"...

  • Page 20: 2-5) Optional Material Specification

    This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS 2-5) Optional Material Specification Photograph Part Name Part Code AMOUNT ASSY INSTALL-ACCESSORY DA99-03490W...

  • Page 21: 2-6) Refrigerant Route In Refrigeration Cycle

    This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS 2-6) Refrigerant Route in Refrigeration cycle Suction Pipe R-Evaporator Suction Pipe Hot Pipe F-Evaporator Dryer Comp Connect Suction Condenser Compressor → Condenser → Hot Pipe → Dryer → R Capillary → R Evaporator...

  • Page 22: 2-7) Principle Of Freezer

    This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS 2-7) Principle Of Freezer Ref-EVAP Pressure: 0 psi Temp: -18℉...

  • Page 23: 2-8) Operation Theory Of Refrigeration Cycle Components

    This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS 2-8) Operation theory of refrigeration cycle components ■ Condenser 1) Role : A device which radiates heat to the outside (water/air) to make liquid state for the high temperature / high pressure gas...
  • Page 24 This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS ■ Dryer 1) Role : Absorb the moisture from the refrigerant that refrigeration cycle circulates and eliminate the foreign substance. 2) Structure : If even some moisture is included refrigerant is impossible to circulate by freezing the small capillary outlet, so silica gel or molecular sieve is (included and) sealed to absorb the internal moisture, and install a minute net to eliminate the foreign substance.

  • Page 25: 2-9) Refrigeration Cycle Type

    This document cannot be used without Samsung's authorization. PRODUCT SPECIFICATIONS 2-9) Refrigeration Cycle Type ■ HM Cycle Compressor Hot Pipe Condenser Dryer Capillary Tube Refrigerator Evaporator Freezer Evaporator Compressor Suction Pipe 2-10) Cooling Air Circulation Refrigerator Freezer...

  • Page 26: Functions & Features

    This document cannot be used without Samsung's authorization. 3. FUNCTIONS & FEATURES 3-1) Control Display ❶ Setting the desired temperature or function ❶ 1. Tap any button (<, O, or >) to wake up the display. - This step may not apply to some models.
  • Page 27 This document cannot be used without Samsung's authorization. FUNCTIONS & FEATURES • Available selection: Ice Maker On ↔ Off • You can turn on or off Peak Demand. Peak Demand To change the setting of Peak Demand, press O until the On / Off display of Peak Demand blinks.

  • Page 28: Disassembly And Reassembly

    This document cannot be used without Samsung's authorization. 4. DISASSEMBLY AND REASSEMBLY 4-1) Precaution • Unplug the refrigerator before cleaning and making repairs. • Do not dissemble or repair the refrigerator by yourself. - It may cause risk of causing a fire, malfunction and/or personal injury.

  • Page 29: 4-2) Refrigerator Door (Hinge Up)

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-2) Refrigerator Door (Hinge Up) When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 1. Remove the 3 screws holding down the Top Top Table Table and remove it.

  • Page 30: 4-3) Refrigerator Door (Hinge Mid)

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-3) Refrigerator Door (Hinge Mid) When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 7. Separate the cap on the middle hinge.

  • Page 31: 4-4) Refrigerator Door (Hinge Up)

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-4) Refrigerator Door (Hinge Up) When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Aassembly] 4. Assemble the hinge up with door. [Aassembly] 5.

  • Page 32: 4-5) Freezer Door

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-5) Freezer Door When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 1. After opening the Freezer door, lift the drawer box.

  • Page 33: 4-6) Gasket

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-6) Gasket When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [ Ref ] [ Fre ] [Disassembly] Pull the corner of Gasket.

  • Page 34: 4-7) Freezer Door Switch

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-7) Freezer Door Switch When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 1. Remove 1 screw at the lower part of the Freezer.

  • Page 35: 4-8) Refrigerator Light

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-8) Refrigerator Light When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 1. Insert the small flat-heat screwdriver at inert point's gap between liner and cover lamp. (3...
  • Page 36 This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Assembly] 2. Slide in the led lamp to cover lamp. (LED must be located under the hook feature of cover lamp.)

  • Page 37: 4-9) Top Table (With Sensor Temp)

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-9) TOP TABLE (With Sensor Temp) When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture Top Table [Disassembly] 1. Remove the 3 screws holding down the Top Table and remove it.

  • Page 38: 4-10) Freezer Light

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-10) Freezer Light When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 1. Remove the Cover Lamp by a Flat Head Driver.

  • Page 39: 4-11) Glass Shelves

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-11) Glass shelves When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture Glass 1. When pulling out the shelf, if it is not slid out shelves well, lift it up slightly and pull out again.
  • Page 40 This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 1. Open the freezer door as much as possible. [Disassembly] 2. Hold the handle and lift it up.
  • Page 41 This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 1. Disassemble the TRAY FRE UP. 2. Open the refrigerator door as much as possible.

  • Page 42: 4-13) Door Bins

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-13) Door Bins When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 1. Remove Door Bins from DRAWER-REF. (Refer to the picture) 2. Remove Door Bins from BAG PE.

  • Page 43: 4-14) Cover Evap-Ref

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-14) COVER EVAP-REF When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] COVER 1. Unscrew two screws. And remove the hook by...

  • Page 44: 4-15) Cover Evap-Ref (With Sensor Temp)

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-15) COVER EVAP-REF (With Sensor Temp) When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 2. disassemble the Sensor Temp Housing. [Disassembly] 3.
  • Page 45 This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture CASE MOTOR [Assembly] 6. Screw a screw and assemble the Case motor [Assembly] 7. Attach a SEAL in half...

  • Page 46: 4-16) Evaporator Ref

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-16) Evaporator REF When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 1. Disconnect the housing wiring connector. (Refer to the picture) Evaporator 2.

  • Page 47: 4-17) Evap (Sensor) Ref

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-17) Evap (Sensor) REF When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 1. Remove the hosing connector at the left. 2. Cut the Cable Tie.

  • Page 48: 4-18) Cover Evap-Fre

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-18) COVER EVAP-FRE When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 1. Unscrew two screws. And remove the hook by pulling it from the lower part and pulling the cover side.

  • Page 49: 4-19) Evaporator Fre

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-19) Evaporator FRE When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 1. Disconnect the housing wiring connector. (Refer to the picture) Evaporator 2.

  • Page 50: 4-20) Evap (Sensor Temp) Fre

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-20) Evap (Sensor Temp) FRE When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 1. Remove the hosing connector at the left. 2. Disassemble Sensor Housing from TPA, then cut the Cable Tie.

  • Page 51: 4-21) Ice Maker (Freezer) (Option)

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-21) Ice Maker (Freezer) (OPTION) When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 1. Remove the 2 screw. Ice-Maker (FRE) 2. Separate the HOUSING of the Ice Maker.

  • Page 52: 4-22) Water Dispenser (Option)

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-22) Water Dispenser (OPTION) When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 1. Remove Bolts using (+) screwdriver. (2ea) [Disassembly] 2. Put your hand inside the cover and pull it forward.

  • Page 53: 4-23) Water Tank (Option)

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-23) Water Tank (OPTION) When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 1. Hold both sides of the water tank with hands and pull it forward.

  • Page 54: 4-24) Sensor In Freezer

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-24) Sensor In Freezer When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 1. Separate Cover Sensor on Liner by using Flat Head Driver.
  • Page 55 This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Assembly] 2. Connect Sensor to Wire Harness. [Assembly] 3. Put Connector and Wire In Liner.

  • Page 56: 4-25) Comp Cooling Fan

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-25) Comp Cooling Fan When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 1. Remove 5 screws from the compressor cover. 2. Disengage the housing connector.

  • Page 57: 4-26) Compressor

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-26) Compressor When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 1. Sand Paper Process - Use the Sand Paper to make the left part of the weld metaled metal smooth.
  • Page 58 This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 6. pplying Lokprep and connecting the Service Ring_2 - Apply 0.05g of Lokprep onto the pipe - Insert the service ring into the Connect, Suc.

  • Page 59: 4-27) Machine Compartment

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-27) Machine Compartment When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 1. Remove Cover Relay. Relay O/L 2. Disassemble Housing Connector from Comp.

  • Page 60: 4-28) Electric Box (Pba Main)

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-28) Electric Box (PBA Main) When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Disassembly] 1. Loosen screw 4ea on Cover PCB with the (+)screwdriver and Open.

  • Page 61: 4-29) Electric Box (Pba Main)

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-29) Electric Box (PBA Main) When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture [Assembly] PBA Main 4. Assemble Cover PCB and fasten screw 4ea with the (+) screwdriver.

  • Page 62: 4-31) Cover-Display

    This document cannot be used without Samsung's authorization. DISASSEMBLY AND REASSEMBLY 4-31) Cover-Display When disassembling, make sure the unit turned off. Part Name How To Do Descriptive Picture 1. Remove the Inlay. 2. Push between RELECTOR and LINER with (-) screwdriver.

  • Page 63: Check The Installation Status

    This document cannot be used without Samsung's authorization. 5. CHECK THE INSTALLATION STATUS 5-1) Function for failure diagnosis 5-1-1. Test mode (manual operation / manual defrost function) • Press the '<' and '>' buttons at the same time for at least 6 seconds. The Control Display will blink with an interval of 0.5 seconds.
  • Page 64 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 1) TEST Mode Entering Enter the Engineer Mode ① ③ ② '<'+ '>' Key are pressed simultaneously for 6 seconds. And the Control Display will blink with an interval of 0.5 seconds.
  • Page 65 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 2) Forced Operating Function 2-1) If any key is pressed once in test mode, blinks "FF" on the display and it indicates the refrigerator has entered the manual operation. At this moment, buzzer beeps as an alarm.
  • Page 66 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 3) Forced Defrost 3-1) When you press any key one more time at Manual Operation2 [OF r], rd lights up on the Display Panel. At this time, the Manual Operation stops immediately and R-Defrost will be performed at the same time.

  • Page 67: Self-Diagnostic Function

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 5-1-2. 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.
  • Page 68 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 2) Self-diagnostic function during normal operation Enter the Engineer Mode ① ③ ② ② '<'+ '>' Key are pressed simultaneously for 6 seconds. And the Control Display will blink with 0.5 second interval for 4 seconds.
  • Page 69 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS * Self-diagnosis CHECK LIST Item Diagnostic method Location image The voltage of MAIN PCB CN51-"9" ↔ Freezer "11" : shall be between 4.5V~1.0V Sensor The voltage of MAIN PCB CN51-"14" ↔...
  • Page 70 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS * Self-diagnosis CHECK LIST Item Diagnostic method Location image Freezer Fan The voltage of MAIN PCB CN51-"17" ↔ Error "19" : shall be between 7V~12V The voltage of MAIN PCB CN51-"18" ↔...
  • Page 71 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS * Self-diagnosis CHECK LIST Item Diagnostic method Location image Main ↔ Panel Actually, If there is not a problem, it is desirable to replace Main and Panel (F-HUB)
  • Page 72 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS * Self-diagnosis CHECK LIST Item Diagnostic method Location image Check the Compressor connections . Check the voltage of Resistance of R2 [0.09Ohm] Comp location Check the soldering status of the MAIN detection error PCB.

  • Page 73: Display Function Of Load Condition

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 5-1-3. Display function of Load condition Enter the Engineer Mode ① ③ ② ① '<'+ '>' Key are pressed simultaneously for 6 seconds. And the Control Display will blink with 0.5 second interval for 4 seconds.
  • Page 74 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS R-10 ⓐ ⓕ ⓑ ⓖ ⓔ ⓒ ⓓ F-10 * R Load mode Check list Part Display (LED) Description R-FAN HIGHEST R-1 "a","b" In the case of the R-FAN HIGHEST operation, the corresponding LED is blinked.

  • Page 75: Demo Mode 1 : Cooling Off Mode Setting Function (North America Model)

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 5-1-4. DEMO MODE 1 : Cooling OFF Mode setting function (North America model) ② ① ① Press the '<' and '>' buttons at the same time for at least 6 seconds.

  • Page 76: Demo Mode 2 : Exhibition Mode Setting Function (All Regions Except For North America)

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 5-1-5. DEMO MODE 2 : Exhibition Mode setting function (All regions except for North America) ② ① ① Press the '<' and '>' buttons at the same time for at least 6 seconds. The Control Display will blink with an interval of 0.5 seconds.

  • Page 77: Option Setting Function

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 5-1-6. Option setting function • Press the '<' and '>' buttons at the same time for at least 6 seconds.The Control Display will blink with an interval of 0.5 seconds for 4seconds.
  • Page 78 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS KEY control method after converting to option mode Reference Value Code Reference Value Down Reference Value Up Code Change ( Rotation ) ※ Key control in option mode Code Change Key(Rotation) <...
  • Page 79 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS ■ If the display changes to option setting mode, all displays will be off except freezer and fridge compartments temperature display as below.(Fridge and freezer compartments case will be explained only because all options are operated with the same method according to the option table.)
  • Page 80 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS Reference Value Code : If you wait for 20 seconds after completing the setting, MICOM will save the setting value to the EEPROM and normal display will be returned and the option setting mode will be canceled.

  • Page 81: Option Table

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 5-1-7. Option TABLE 1) Temperature changing table of freezer compartment Set item Freezer Temp Shift Fridge Room 7-SEG Reference Value Setting value Temp. FZ compartment compensation Code 0℉(0.0℃) -1℉...
  • Page 82 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 3) Time changing table of Freezer ice maker dropping standby time Set item Ice Maker Dropping Standby Time Fridge Room 7-Seg Reference Value Setting value Standby Time Freezer Room...
  • Page 83 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 5) Operation rate changing table of dispenser heater Set item Dispenser Heater Rate Fridge Room 7-SEG Reference Value Setting value Rate change FZ compartment Code +0.0% [Sub-Heater] + 20% operation( up to 100% ) [C-Fan] C-Fan turn on after 10 minutes delay when Comp On (It operates only external temperature 12℃...

  • Page 84: 5-2) Diagnostic Method According To The Trouble Symptom (Flow Chart)

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 5-2) Diagnostic method according to the trouble symptom (Flow Chart) DATA1.Temperature table Resistance value and MICOM port voltage of sensor according to the temperature SENSOR CHIP : based on PX41C, PX41C, 502AT/ 103**(ICE MAKER SENSOR(MOLD)/FULL UP, 20Kohm ( Actual measurement = value of the table below X 2 ) ℃...
  • Page 85 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS DATA2. Humidity Sensor table - Voltage output table @23°…, 5Vdc --- HTG3515CH/HTG3535CH RH(Temperature compensate ) = RH (Relative Humidity ) + ( Temp(℃)。Ⓒ 23 ℃) x 0.05 RH(%)

  • Page 86: Self Diagnosis & Trouble Shooting

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 6. SELF DIAGNOSIS & TROUBLE SHOOTING 6-1) If the trouble is detected by self-diagnosis - The error of sensor will be displayed on the front of display. when the error of sensor is detected at initial power ON, the appliance will not operated and display ofabnormal sensor part will blink.
  • Page 87 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 2) If R Sensor has trouble (check the other sensors in the same procedure) ERROR Code Start Is MAIN PCB DATA1. Temperature table Connector CN51 inserted correctly? ** Measuring point of resistance value according to Sensor R : CN51 - "14"...
  • Page 88 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 3) If Humidity Sensor has trouble ERROR Code Start Start Is MAIN PCB Connector CN51 inserted correctly? DATA1. Temperature table Bad contact of ** Measuring point of resistance value according to connector /insert correctly Sensor"...

  • Page 89: 6-2) If Fan Does Not Operate

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 6-2) IF FAN does not operate • The refrigerator of this model has BLDC FAN motor. BLDC motor is driven by DC 7~12V. • On the normal condition of COMP ON, it operates together with F-FAN motor. If door is opened and closed once at a high ambient temperature, it will be operated after 1 minute delay.
  • Page 90 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS IF FAN does not operate F FAN pulse voltage CN51 “15”(PNK) Reference CN51-15(F),CN51-16(R),CN51-21(C) will generate thepulse signal when motor rotates.These The voltage measured signals will be inputted into MICOM.

  • Page 91: 6-3) When Ice Maker(Fz) Does Not Operate (Option)

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 6-3) When ICE MAKER(FZ) does not operate (OPTION) 1. Water will be automatically supplied to the Ice Maker depending on temperature & time conditions, and ice will be produced to dispense.

  • Page 92: 6-4) If Defrost Does Not Operate (F/R Def Heater)

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 6-4) If defrost does not operate (F/R DEF Heater) • If defrost has trouble, select the self-diagnostic function to detect the error of defrost heater before Power Off.

  • Page 93: 6-5) When Power Is Not Applied

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 6-5) When Power is not applied Caution At the power of SMPS PCB, the AC115(230)V power and a high-voltage over DC 170(325)V are occurred. Please take care of yourself on repair and measurement.

  • Page 94: 6-6) When Compressor Does Not Run (Inverter Comp.)

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 6-6) When Compressor does not run (Inverter COMP.) Start 10 minutes have passed since COMP was off. Check in 10 minutes When Forced Operation Refer to the TEST mode is activated, COMP Function in this manual.

  • Page 95: 6-7) When Alarm Sounds Continuously Without Stop (Related With Buzzer Sound)

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 6-7) When alarm sounds continuously without stop (related with buzzer sound) ① If 'diring-diring' sound continuously Start Door is ajar Is door closed completely? Remove causes after comprehending the conditions of interferance by door gasket, food etc,.
  • Page 96 This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS When alarm sounds continuously without stop (related with buzzer sound) ③ If buzzer does not sound Buzzer is installed on the Assy Top Table in this model. Start...

  • Page 97: 6-8) When The Inner Panel Pba Does Not Operate Normally

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 6-8) When the Inner Panel PBA does not operate normally ① When the entire or a certain section of the Panel PCB does not light up - There is a MICOM embedded in the Panel PCB. So, take care when doing repairs.

  • Page 98: 6-9) When Refrigerator Room Lamp Does Not Light Up

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 6-9) When refrigerator ROOM Lamp does not light up When controlling the refrigerator light with Regulator(12V) : LED LAMP → Applying to the F/R Room compartment (Option) * If the Vegetable Lamp does not work properly, check the R compartment LED Lamp because it is connected with the R compartment LED Lamp in parallel.

  • Page 99: 6-10) If Ice Water Is Not Supplied (Option)

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 6-10) If ICE Water is not supplied (OPTION) 1. Please shut the water supplying prior to repair. 2. Power is applied to the one end of wires. Be careful when disassembling not to get an electric shock.

  • Page 100: 6-11) Led Blinking Frequency Depending On Protecting Functions

    This document cannot be used without Samsung's authorization. CHECK THE INSTALLATION STATUS 6-11) LED blinking frequency depending on protecting functions If Failure Condition is detected during compressor is operating, immediately stop Compressor operating and stand by 5 minutes. During this 5 minutes, RPM command signal is not available. It means, even if available RPM command signal is applied to the compressor, it does not work and keep standing by.

  • Page 101: Pcb Diagram

    This document cannot be used without Samsung's authorization. 7. PCB DIAGRAM 7-1) PCB Layout with part position ③ ⑪ ⑤ ⑦ ⑥ ⑪ ⑧ ⑨ ④ ② ⑩ ① 1. EMI FILTER part 2. DC 15V, 12V, 5V, GND supplied from SMPS PCB 3.

  • Page 102: 7-2) Connector Layout With Part Position

    This document cannot be used without Samsung's authorization. PCB DIAGRAM 7-2) Connector Layout with part position...

  • Page 103: Wiring Diagram

    This document cannot be used without Samsung's authorization. 8. WIRING DIAGRAM...

  • Page 104: Block Diagram

    This document cannot be used without Samsung's authorization. 9. BLOCK DIAGRAM 9-1) Whole block diagram...

  • Page 105: Reference Information

    This document cannot be used without Samsung's authorization. 10. REFERENCE INFORMATION 10-1) Nomenclature Digit 3 / 4 10 / 11 12 13/14 Dispenser / Ice Maker/ Buyer Model Type Capacity Year Type Energy CMF / wifi FRE Flex code SR / AA...

  • Page 106: 10-2) Trouble Shooting

    This document cannot be used without Samsung's authorization. REFERENCE INFORMATION 10-2) Trouble Shooting PROBLEM SOLUTION • Check that the power plug is properly connected. • Check the set temperature on the digital display is warmer than freezer or fridge inner temperature.
  • Page 107 This document cannot be used without Samsung's authorization. REFERENCE INFORMATION PROBLEM SOLUTION • Did you wait for 12 hours after installation of the water supply line before Maker ice? • Is the water line connected and the shut-off valve opened? Ice Maker is not producing ice.

  • Page 108: 10-3) Q&A

    This document cannot be used without Samsung's authorization. REFERENCE INFORMATION 10-3) Q&A Descriptions of symptoms Check Points Corrective Measures ▶ Noise (resonance) problems keep on If you replace the ambient thermistor even though the noise generating with a 2.7K resistance (detecting...
  • Page 109 This document cannot be used without Samsung's authorization. REFERENCE INFORMATION Descriptions of symptoms Check Points Corrective Measures 1. Check its symptoms and patterns. 2. Check if the unit is installed on a firm and leveled floor. ▶ What can be checked when the unit 3.
  • Page 110 This document cannot be used without Samsung's authorization. REFERENCE INFORMATION Descriptions of symptoms Check Points Corrective Measures When the stored food sends out much smell. ☞ Check if there is any food sending out sustaining smells. Dried squid, dried laver : Hold on them Pounded garlic : Put it in an airtight container Medical herbs : Make sure they are packed airtight.
  • Page 111 Asia : gspn2.samsungcsportal.com North & Latin America : gspn3.samsungcsportal.com China : china.samsungportal.com - 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. © Samsung Electronics Co., Ltd.

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