Samsung RT21M6215 Series Service Manual
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Samsung RT21M6215 Series Service Manual

Samsung RT21M6215 Series Service Manual

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REFRIGERATOR
RT6500M-SM.indd 1
REFRIGERATOR
Basic Model : RT18 / RT21
Model Code : RT21M6215** (Internal Display, Recess Handle,
RT18M6***/
RT21M6***/
Twin Cooling, Auto Ice Maker)
RT21M6211** (Internal Display, Recess Handle,
Twin Cooling, Twist Ice Maker)
RT18M6215** / RT18M6213** (Internal Display,
Recess Handle, Twin Cooling,
Auto Ice Maker)
RT18M6211** (Internal Display, Recess Handle,
Twin Cooling, Twist Ice Maker)
RT18M6114** (Internal Display, Recess Handle,
Twin Cooling, No Ice Maker)
CONTENTS
1. PRECAUTIONS
2. PRODUCT SPECIFICATIONS
3. DISASSEMBLY & REASSEMBLY
4. TROUBLESHOOTING
5. PCB DIAGRAM
6. WIRING DIAGRAM
7. BLOCK DIAGRAM
8. REFERENCE INFORMATION
2017-01-03
4:49:14

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mike
July 23, 2025

no error code compressor runs fine but evaporator do not get cold

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Summary of Contents for Samsung RT21M6215 Series

  • Page 1 REFRIGERATOR Basic Model : RT18 / RT21 Model Code : RT21M6215** (Internal Display, Recess Handle, Twin Cooling, Auto Ice Maker) RT21M6211** (Internal Display, Recess Handle, Twin Cooling, Twist Ice Maker) RT18M6215** / RT18M6213** (Internal Display, Recess Handle, Twin Cooling, Auto Ice Maker) RT18M6211** (Internal Display, Recess Handle, Twin Cooling, Twist Ice Maker) RT18M6114** (Internal Display, Recess Handle,...
  • Page 2 SAMSUNG ELECTRONICS Technical Service Guide Copyright ⓒ2015 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. RT6500M-SM.indd 2 2017-01-03 4:49:14...

  • Page 3: Table Of Contents

    CONTENTS Contents ............................3 Contents ............................4 1. PRECAUTIONS (SAFETY WARNINGS) ................4 2. PRODUCT SPECIFICATIONS ....................7 2-1. Introduction of Main Function ........................7 2-2. Model Speci cation ............................8 2-3. View of your FRIDGE / FREEZER ......................... 9 2-4.

  • Page 4: Contents

    CONTENTS 5. PCB DIAGRAM ........................67 5-1. Part Layout (Main Board) ..........................67 5-2. Parts Layout (Inverter Board) ........................68 5-3. Connector Arrangement (Main Board) ....................69 5-4. Connector Arrangement (Inverter Board) ..................... 70 6. WIRING DIAGRAM ......................71 6-1. Twin cooling - US Model ..........................71 6-2.

  • Page 5: Contents

    This document can not be used without Samsung's authorization 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: Warning And Caution

    This document can not be used without Samsung's authorization PRECAUTIONS (SAFETY WARNINGS) Read all instructions before repairing the product and keep to the instructions in order to prevent danger or property damage. CAUTION/WARNING SYMBOLS DISPLAYED SYMBOLS means Prohibition”. Indicates that a means Do not disassemble”.
  • Page 7 This document can not be used without Samsung's authorization PRECAUTIONS (SAFETY WARNINGS) Please ler users know following warnings & cautions in detail. Warning & Caution Do not allow users to store narrow and Do not allow users to store Do not allow users to put bottles or kinds...

  • Page 8: Product Specifications

    This document can not be used without Samsung's authorization 2. PRODUCT SPECIFICATIONS 2-1. Introduction of Main Function • A newly developed SAMSUNG Top mount freezer has the following characteristics. Characteristics Speci cation Flex Zone™ - A versatile top space for switching between fridge or...

  • Page 9: Model Speci Cation

    This document can not be used without Samsung's authorization PRODUCT SPECIFICATIONS 2-2. Model Speci cation Item Speci cation Model RT21 RT18 Total 21.1 (622) 17.6 (522) Refrigerator 15.4 (439) 12.7 (364) Capacity Freezer 5.7 (183) 4.9 (158) W(mm) 32 7/8” (836mm) 28 ¾”...

  • Page 10: View Of Your Fridge / Freezer

    This document can not be used without Samsung's authorization PRODUCT SPECIFICATIONS 2-3. View of your FRIDGE / FREEZER Twist Type : RT58(RT61) / RT62(RT65) Auto Ice Maker Type : RT18M6215**/RT21M6215** Optional Ice Maker Type : RT18M6213**/RT21M6213** RT6500M-SM.indd 9 2017-01-03 4:49:16...

  • Page 11: Electrical Part Speci Cations & Standard

    This document can not be used without Samsung's authorization PRODUCT SPECIFICATIONS 2-4. Electrical Part Speci cations & Standard Items Speci cation Models (Option) RT18M RT21M Refrigerant R600a Model A+ : MSV4A1AL1R/TT3 (Al) Starting Compressor BLDC type Oil Charge Mineral Oil (10cSt)
  • Page 12 This document can not be used without Samsung's authorization PRODUCT SPECIFICATIONS Items Speci cation Models (Option) RT18 RT21 F FAN BLDC ARES2120RC,1870±4% RPM, DC 12V, MAX 2.5W Motor R FAN BLDC U92C12MS1B3-52K091,3350±7% RPM, DC12V,1.92W C FAN BLDC ARCS2088RB,1230±5%RPM, DC 12V, 1.15W...
  • Page 13 This document can not be used without Samsung's authorization PRODUCT SPECIFICATIONS Item Speci cation MODEL RT62/RT58 Temperature Model ON(℃) OFF(℃) Selection 1℃ 1℃ -0.5 Refrigerator Thermistor (Fridge sensor) 3℃ 3℃ 502AT 7℃ 7℃ First Defrost Cycle (Concurrent 6hr ± 10min...

  • Page 14: Dimension (Mm)

    This document can not be used without Samsung's authorization PRODUCT SPECIFICATIONS 2-5. Dimension (MM) MODEL RT21 1722 1671.6 50.4 1676.4 721.2 1577 1472 1279 RT18 1697 1646.6 50.4 1651.4 721.2 1470 1380 1117 RT6500M-SM.indd 13 2017-01-03 4:49:17...

  • Page 15: Display Design

    This document can not be used without Samsung's authorization PRODUCT SPECIFICATIONS 2-6. Display Design Feature panel Type A Type B 01 Power Freeze / 02 Freezer / Freezer Convert Ice Maker (applicable models only) 03 Fridge / Fridge On/Off 04 Power Cool...
  • Page 16 This document can not be used without Samsung's authorization PRODUCT SPECIFICATIONS 01 Power Freeze / Ice Maker (applicable models only) Power Freeze speeds up the freezing process at maximum fan speed. The freezer keeps running at full speed for several hours and then returns to the previous temperature.
  • Page 17 This document can not be used without Samsung's authorization PRODUCT SPECIFICATIONS You can use the entire refrigerator with Fridge mode, or turn off the freezer. To change the default freezer mode, press and hold Freezer Convert for 3 seconds to enter the selection mode. Then, press Freezer Convert to select a desired mode.
  • Page 18 This document can not be used without Samsung's authorization PRODUCT SPECIFICATIONS 03 Fridge / Fridge On/Off (3 sec) To adjust the fridge temperature, press Fridge to select the corresponding temperature. CAUTION Fridge • In winter, do not set the temperature control to Coldest. This may cause problems with the cooling performance.

  • Page 19: Disassembly & Reassembly

    This document can not be used without Samsung's authorization 3. DISASSEMBLY & REASSEMBLY 3-1. Precautions • Unplug the refrigerator before cleaning and making repairs. • Do not dissemble or repair the refrigerator by yourself. - You run risk of causing a fire, malfunction and/or personal injury.

  • Page 20: Assy Door (Removing The Freezer Door)

    This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY 3-2. Assy Door (Removing the Freezer Door) PART NAME How to do Descriptive Picture 1. Remove the 3 screws holding down the Top Table and remove the Top Table 2.
  • Page 21 This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY PART NAME How to do Descriptive Picture 1. Open the fridge door. 2. Remove screws from the Hinge Mid. Removing the 3. Remove the door carefully from the Refrigerator Low Hinge.

  • Page 22: Door Reversible

    This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY 3-3. Door Reversible PART NAME How to do Descriptive Picture 1. Disconnect the top table 2. Disconnect the wires on the door Door Reversible 3. Disconnect the upper hinge 4.
  • Page 23 This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY PART NAME How to do Descriptive Picture 6. Detach the refrigerator compartment door 7. Disassemble the lower hinge Door Reversible 8. Detach the foot 9. Detach the foot of the lower hinge 10.
  • Page 24 This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY PART NAME How to do Descriptive Picture 11. Assemble the shaft foot and shaft hinge assembly 12. Fasten the foot front 13. Disassemble the stopper, auto-close, and grommet 14.
  • Page 25 This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY PART NAME How to do Descriptive Picture 18. Disassemble the grommet on the upper side of the fridge 19. Disassemble and assemble the cap space 20. Assemble the grommet hinge 21.
  • Page 26 This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY PART NAME How to do Descriptive Picture 25. Attach the freezer compartment door 26. Assemble the hinge-up and cover-hinge 27. Connect the door wire / Disconnect the cap hinge upp Door Reversible 28.

  • Page 27: Refrigerator Compartments

    This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY 3-4. Refrigerator compartments PART NAME How to do Descriptive Picture These shelves allow the storage of larger items and pull out for easy access. Glass Shelf 1. Lift up and pull the shelf out to the...
  • Page 28 This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY PART NAME How to do Descriptive Picture 1. Remove the cap screws. 2. Remove two other screws. When disassembling, make sure the unit turned off if you want to assembly fellowthe reverse order.
  • Page 29 This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY PART NAME How to do Descriptive Picture 1. Remove screws. Ice Maker 2. Pull the Ice maker 3. Push the housing and remove it 1. Remove the cap screws.
  • Page 30 This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY PART NAME How to do Descriptive Picture 1. Remove screw 1ea Push the housing water valve and WATER VALVE remove it 3. Remove the hose from the water valve 1.
  • Page 31 This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY PART NAME How to do Descriptive Picture 1. Remove 3 screws of the PBA cover. When disassembling, make sure the unit is unplugged. CAUTION 2. Disengage all housing connectors...
  • Page 32 This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY PART NAME How to do Descriptive Picture 1. Disassembel Cap Reed S/W Door Read S/W 2. Disengage the Reed S/W housing connector RT6500M-SM.indd 31 2017-01-03 4:49:25...

  • Page 33: Transporting To The Installation Place

    This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY 3-5. Transporting to the installation place PRECEDURES HOW TO DO PICTURES Check the size of the Before moving in the ref, check the size of the entrance elevator and the main entrance.

  • Page 34: Check The Door Level And Adjust

    This document can not be used without Samsung's authorization DISASSEMBLY & REASSEMBLY 3-6. Check the door level and adjust PRECEDURES HOW TO DO PICTURES - under the roof, they should use rug or mat to prevent the oor damage. Put the unit on its installation place ※...

  • Page 35: Troubleshooting

    This document can not be used without Samsung's authorization 4. TROUBLESHOOTING 4-1. Matters To Check before Troubleshooting 4-1-1. Test Function (Forced Operation/Forced Defrosting Function) 4-1-1-1. How to Enter the TEST MODE 4-1-1-1-1. For Models with Electronic Displays 1. If the Freezer button and the Fridge button on the Panel PCB are pressed simultaneously for four seconds or longer, the Panel Display will turn ON/OFF all displays for about three seconds with an interval of 0.5 seconds.

  • Page 36: Test Mode Description

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-1-1-2. TEST MODE Description 4-1-1-2-1. Forced Operation 1 mode 2) Test Mode Operation Block A Block B 1) Forced Operation 1 1-1) If you press any button once in the Test Mode, the product will enter the Forced Operation 1 mode.When the product enters the Forced Operation 1 mode, the Panel Display will display...
  • Page 37 This document can not be used without Samsung's authorization TROUBLESHOOTING 4-1-1-2-2. Forced Operation 2 Block A Block B 2) Forced Operation 2 2-1) If you press any button twice in the Test Mode, the product will enter the Forced Operation mode.
  • Page 38 This document can not be used without Samsung's authorization TROUBLESHOOTING 4-1-1-2-3. Forced Operation 3 mode Block A Block B 3-1) If you press any button three times in the Test Mode, the product will enter the Forced Operation 3 mode. When the product enters the Forced Operation mode, the Panel Display will display the LEDs of the Block A and Block B.Here, the Buzzer will perform alarm with a...
  • Page 39 This document can not be used without Samsung's authorization TROUBLESHOOTING 4-1-1-2-4. Forced R Defrosting mode Block A Block B 4-1) In the Forced Operation 3 status of Test Mode, if you press any button once more, the Forced Operation 3 will be immediately canceled, and the product will enter the Forced R Defrosting mode.

  • Page 40: Self-Diagnosis Function

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-1-2. Self-Diagnosis Function 4-1-2-1. For Models with Electronic Displays 1) Self-Diagnosis mode (when it's turned on initially) 1-1) When the power is initially applied to the Refrigerator, the Micom determines whether the Temperature Sensor is out of order or not within a few seconds.
  • Page 41 This document can not be used without Samsung's authorization TROUBLESHOOTING F-ROOM STEP R-ROOM STEP ※ Self-Diagnosis Check List Display Led On Item Description Image-1 Image-2 Position F-DEF Error When defrosting is ended by time Ambient-Sensor Faulty opening/short circuit F-Sensor Faulty opening/short circuit...
  • Page 42 This document can not be used without Samsung's authorization TROUBLESHOOTING ※ Self-Diagnosis Check List Item Display Description Image-1 Image-2 F-FAN Error F-FAN Restriction Sensing C-FAN Error C-FAN Restriction Sensing Comp Error Comp Error R-DEF-Sensor Fridge Off LED Faulty opening/short circuit...
  • Page 43 This document can not be used without Samsung's authorization TROUBLESHOOTING Self-Diagnosis Error Description F-ROOM STEP R-ROOM STEP NO Error Code Item Description Trouble Shooting Image-1 Image-2 The voltage between MAIN PCB F-SENSOR CN30 "6" ↔ "7" should be within 4.5V~0.5V.
  • Page 44 This document can not be used without Samsung's authorization TROUBLESHOOTING NO Error Code Item Description Trouble Shooting Image-1 Image-2 When the pertinent Fan Motor works, the failure is displayed when the The voltage between MAIN PCB C-FAN CN75 "5" ↔ "6" should be within...

  • Page 45: Load Status Display Function

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-1-3. Load Status Display Function 1) If the Freezer button and the Fridge button are pressed simultaneously for about 7 seconds during normal operation of the Refrigerator, the Panel Display will turn ON/OFF Block A and Block B displays for about four seconds with an interval of 0.5 seconds.
  • Page 46 This document can not be used without Samsung's authorization TROUBLESHOOTING ※ Load Mode Check List F-ROOM STEP R-ROOM STEP Item Display Description In case of high operation of R-FAN, the pertinent LED R-FAN High blinks. In case of low operation of R-FAN, the pertinent LED...

  • Page 47: Operation Status Recovery Function In Case Of Blackout

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-1-4. Operation Status Recovery Function in Case of Blackout 1) When the Panel Display is initialized in case of a temporal blackout, a non-sense call by consumers may occur. In order to prevent this, the product judges the temperature inside the Refrigerator at the point when the power is applied and initializes or recovers the existing operation status.

  • Page 48: Option Setting Function

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-1-6. Option Setting Function 1) If you press the Freezer button and the Fridge button simultaneously for about 4 seconds during normal operation, the whole Display will blink for about 3 seconds with an interval of 0.5 seconds.
  • Page 49 This document can not be used without Samsung's authorization TROUBLESHOOTING ● When the Display Panel converts to the Option Setting mode, the entire Display except the Freezer and the Fridge Temperature LEDs as shown below Temp LED goes off. 1) For example, if you want to shift the standard temp of the Freezer compartment by -2 ℃, follow the steps below.

  • Page 50: Option Table

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-1-7. Option Table Note There are other option setting functions. But, it's got to do with the performance of the unit, not for repair purposes. So, they are not handled in this manual.
  • Page 51 This document can not be used without Samsung's authorization TROUBLESHOOTING 2) Fridge Temperature Setting Table Setting Item Freezer Temp Shift Location : Fridge Temp LED Option Item Setting Value Freezer Temp Option Value Display Panel Set Value -0.5 ℃ -1.0 ℃...
  • Page 52 This document can not be used without Samsung's authorization TROUBLESHOOTING 3) Change in Water Supply for the ice maker Setting Item Water Supply for I/M Location : Fridge Temp Display Option Item Setting Value Option Value Fridge Display Panel Set Value 5 sec 5.9 sec...
  • Page 53 This document can not be used without Samsung's authorization TROUBLESHOOTING 5) Temperature Setting Table for Separating Ice in Ice Maker Setting Item Temperature Setting I/M Location : Fridge Temp Display Option Item Setting Value Option Value Fridge Display Panel Set Value -15 ℃...

  • Page 54: Troubleshooting Flow-Chart By Symptoms

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-2. Troubleshooting Flow-Chart by Symptoms DATA1.Temp Table Conversion Table - Temperature/MICOM PORT Voltage/Resistance SENSOR CHIP : PX41C ℃ ℉ ℃ ℉ ℃ ℉ Voltage Ω Voltage Ω Voltage Ω 4.694 153319 3.107...

  • Page 55: When Self-Diagnosis Error Occurs

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-2-1. When Self-Diagnosis Error occurs - The Display Panel shows the Sensor Error and, when the unit is plugged in and there are sensor errors, the unit does not operate and LED related to the defective sensors keep blinking.
  • Page 56 This document can not be used without Samsung's authorization TROUBLESHOOTING 2) When the R-DEF-sensor is defective ERROR CODE Start MAIN PCB CN31 Connector is inserted properly? Connector contact defect / Reconnect R-DEF-Sensor is normal? DATA1. Temp Table Replace Temp Sensor...
  • Page 57 This document can not be used without Samsung's authorization TROUBLESHOOTING 3) When the EXT-Sensor is defective ERROR CODE Start MAIN PCB Connector CN30 is inserted properly? Connector contact defect / Reconnect DATA1. Temp Table EXT Sensor is normal? ** Sensor Resistance Reading Location EXT : Between CN30 #2 and #3.
  • Page 58 This document can not be used without Samsung's authorization TROUBLESHOOTING 4) When the F-sensor is defective ERROR CODE Start MAIN PCB Connector CN31 is inserted properly? Connector contact defect / Reconnect DATA1. Temp Table R-DEF-Sensor is normal? **Sensor Resistance Reading Location** **R-DEF : Between CN30-”6”...
  • Page 59 This document can not be used without Samsung's authorization TROUBLESHOOTING 5) When the DEF-Sensor is defective ERROR CODE Start MAIN PCB Connector CN30 is inserted properly? Connector contact defect / Reconnect DATA1. Temp Table F-DEF Sensor is normal? **Sensor Resistance Reading Location** **F-DEF : Between CN30-”4”...

  • Page 60: When The Freezer Fan Does Not Operate (Bldc Motor)

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-2-2. When the Freezer Fan does not operate (BLDC Motor) - This refrigerator uses the BLDC Fan Motor. The BLDC Motor operates with DC 7~12V. - The F-Fan motor generally runs together with the compressor.

  • Page 61: When The Fridge Fan Does Not Operate

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-2-3. When the Fridge Fan does not operate - This refrigerator uses the BLDC Fan Motor. The BLDC Motor operates with DC 7~12V. - The F-Fan motor generally runs together with the compressor.

  • Page 62: When The Comp. Fan Does Not Operate

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-2-3-1. When the Comp. Fan does not operate - This refrigerator uses the BLDC Fan Motor. The BLDC Motor operates with DC 7~12V. - The C-Fan motor generally runs together with the compressor.

  • Page 63: When Defrost Does Not Work (F Def Heater)

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-2-4. When Defrost does not work (F DEF Heater) - When there is a trouble in defrosting, select the Self-Diagnosis function before turning off the unit. And, check if there is any defect in the Defrost Heater. If not, plug out the unit and do the Trouble-Shooting.

  • Page 64: When Ice Maker Does Not Operate (Model With Ice Maker)

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-2-5. When Ice Maker does not operate (Model with Ice Maker) 1. Water supplies to the Ice Maker automatically and ice is to be twisted out depending on its temperature and the timing.

  • Page 65: When Panel Pcb Operates Abnormally

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-2-6. When PANEL PCB operates abnormally ① When PANEL PCB does not light up or partially does ① ② ③ ② ① ② ③ RT6500M-SM.indd 64 2017-01-03 4:50:05...

  • Page 66: Area That Is Rated Input Voltage 110~127V

    This document can not be used without Samsung's authorization TROUBLESHOOTING 4-2-7. Area that is Rated input voltage 110~127V. Caution - When checking the MAIN PCB, refer There is AC 110~127V or DC Start to the Operation descriptions and 156~180V at the MAIN PCB the "Reference"...
  • Page 67 This document can not be used without Samsung's authorization TROUBLESHOOTING LED blinking frequency depending on protecting functions(Inverter PBA) * Self-Diagnosis Error Description - When the Failure Condition occurs, the Compressor will immediately stop if the Compressor is running and there will be a 5 minute standby. During the 5 minute standby, RPM signals will be ignored.

  • Page 68: Pcb Diagram

    This document can not be used without Samsung's authorization. This document can not be used without Samsung's authorization 5. PCB DIAGRAM 5-1. Part Layout (Main Board) 1. Inverter Comp. Signal Section 2. Section for Diode Option : Set option setting 3.

  • Page 69: Parts Layout (Inverter Board)

    This document can not be used without Samsung's authorization. This document can not be used without Samsung's authorization PCB DIAGRAM 5-2. Parts Layout (Inverter Board) 1. PBA Power Supply : Supplies DC 16V and 5V to the Inverter circuit for the Compressor control.

  • Page 70: Connector Arrangement (Main Board)

    This document can not be used without Samsung's authorization PCB DIAGRAM 5-3. Connector Arrangement (Main Board) RT6500M-SM.indd 69...

  • Page 71: Connector Arrangement (Inverter Board)

    This document can not be used without Samsung's authorization PCB DIAGRAM 5-4. Connector Arrangement (Inverter Board) RT6500M-SM.indd 70 2017-01-03 4:50:06...

  • Page 72: Wiring Diagram

    This document can not be used without Samsung's authorization 6. WIRING DIAGRAM 6-1. Twin cooling - US Model RT6500M-SM.indd 71...

  • Page 73: Twin Cooling - International Model Except Us

    This document can not be used without Samsung's authorization WIRING DIAGRAM 6-2. Twin cooling - International Model except US RT6500M-SM.indd 72...

  • Page 74: Block Diagram

    This document can not be used without Samsung's authorization This document can not be used without Samsung's authorization. 7. BLOCK DIAGRAM 7-1. PBA Main RT6500M-SM.indd 73...

  • Page 75: Reference Information

    This document can not be used without Samsung's authorization 8. REFERENCE INFORMATION 8-1. Nomenclature RT6500M-SM.indd 74 2017-01-03 4:50:07...

  • Page 76: Q & A

    This document can not be used without Samsung's authorization REFERENCE INFORMATION 8-2. Q & A Descriptions of symptoms Check Points Corrective Measures ● Noise (resonance) problems If you replace the ambient on even though the noise thermistor with a 2.7K...
  • Page 77 This document can not be used without Samsung's authorization REFERENCE INFORMATION Descriptions of symptoms Check Points Corrective Measures For old refrigerators Dust could get built-up in the machine compartment. Then, its Explain it to customers and ventilation would get restricted...
  • Page 78 This document can not be used without Samsung's authorization REFERENCE INFORMATION Descriptions of symptoms Check Points Corrective Measures ● What can be done when Defrost it by using hot water and check the defrost system for frozen food gets melt in the any fault.
  • Page 79 This document can not be used without Samsung's authorization REFERENCE INFORMATION Descriptions of symptoms Check Points Corrective Measures ☞ If the water tank is frozen because the fridge temperature is too low, try selecting a warmer setting on the Digital display.
  • Page 80 • Europe, Mid east, Africa : http://gspn1.samsungcsportal.com • Asia : http://gspn2.samsungcsportal.com • North America : http://gspn3.samsungcsportal.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.

This manual is also suitable for:

Rt21m6211 seriesRt18m6215 seriesRt18m6213 seriesRt18m6211 seriesRt18m6114 series

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