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Samsung RT38 Service Manual
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Samsung RT38 Service Manual

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REFRIGERATOR
RT**FF
RT**FD
RT**FE
RT**FJ
[HANDLE Type] : Recessed & BAR
REFRIGERATOR
Basic Model : RT38(RT42) / RT35(RT39) / RT32(RT36) /
Model Code :
RT**FB
RT**FA
RT**FG
RT29(RT33) / RT25(RT28) / RT22(RT26)
RT38(RT42)FA* / RT35(RT39)FA* / RT32(RT36)FA* / RT29(RT33)
FA* / RT25(RT28)FA* / RT22(RT26)FA* (Basic)
RT35(RT39)FB* / RT32(RT36)FB* / RT29(RT33)FB* (Dispenser)
RT38(RT42)FD* / RT35(RT39)FD* / RT32(RT36)FD* (Display)
RT38(RT42)FE* / RT35(RT39)FE* (Display+Dispenser)
RT38(RT42)FF* (Display+Dispenser+Stand Table)
RT38(RT42)FG* / RT35(RT39)FG* / RT32(RT36)FG* / RT29(RT33)
FG* / RT25(RT28)FG* / RT22(RT26)FG* (Stand Table)
RT35(RT39)FJ* (Display+Stand Table)
CONTENTS
1. PRECAUTIONS
5. PCB DIAGRAM

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Summary of Contents for Samsung RT38

  • Page 1: Table Of Contents

    REFRIGERATOR Basic Model : RT38(RT42) / RT35(RT39) / RT32(RT36) / RT29(RT33) / RT25(RT28) / RT22(RT26) Model Code : RT38(RT42)FA* / RT35(RT39)FA* / RT32(RT36)FA* / RT29(RT33) FA* / RT25(RT28)FA* / RT22(RT26)FA* (Basic) RT35(RT39)FB* / RT32(RT36)FB* / RT29(RT33)FB* (Dispenser) RT38(RT42)FD* / RT35(RT39)FD* / RT32(RT36)FD* (Display)
  • Page 2 2. PRODUCT SPECIFICATIONS 2-1. Introduction of Main Function • A newly developed SAMSUNG Top mount freezer has the following characteristics. QUICK COOLING MODE Pushing "Power Cool" button on the display, fridge starts cooling inside powerfully and helps reach to the target temperature in a short time.

  • Page 3: Product Specifications

    PRODUCT SPECIFICATIONS ICE MAX Ice Max provides two times bigger space than conventional model by adding one more ice box. The two ice boxes can contain enough amount of ice to serve many visitors ice beverage without the need to purchase more ice.
  • Page 4 PRODUCT SPECIFICATIONS 2-2. Model Specification MODEL RT38(RT42) RT35(RT39) RT32(RT36) IMAGE CAPACITY 380L 350L 320L DIMENSION 675 X 668 X 1785 675 X 668 X 1715 600 X 672 X 1715 (W X D X H) DISPLAY DISPLAY DISPLAY DISPENSER DISPENSER...
  • Page 5 PRODUCT SPECIFICATIONS 2-3. View of your FRIDGE / FREEZER Ice Max Type : RT38(RT42), RT35(RT39), RT32(RT36), RT29(RT33), RT25(RT28), RT22(RT26) Ice Maker (Option) Freezer Guard Ice Bucket (Option) Cool-Pack (Option) Guard-Egg Chilled-Room (Option) Movable Guard (Option) Slide Shelf Deodorizer Water Tank (Option)
  • Page 6 PRODUCT SPECIFICATIONS Twist Type : RT38(RT42), RT35(RT39), RT32(RT36), RT29(RT33), RT25(RT28), RT22(RT26) Cool Pack(Option) Cool Pack(Option) or Shelf-Half or Shelf-Half Tray Type : RT38, RT35, RT32, RT29F**L Tray Ice Tray Ice (Option) (Option) Shelf-Full Shelf-Full...
  • Page 7 PRODUCT SPECIFICATIONS Auto Ice Maker Type : RT38F**K Auto Ice Maker Auto Ice Maker (Option) (Option) Cool Pack(Option) Cool Pack(Option) or Shelf or Shelf Tray Ice (Option) Tray Ice (Option) Tray Ice (Option) Tray Ice (Option)
  • Page 8 PRODUCT SPECIFICATIONS 2-4. Model Specification Model RT38(RT42) RT35(RT39) RT32(RT36) Type TMF 2 Door Temperature control Electronic Chilled & Auto Ice Chilled & Movable Chilled & Movable Chilled & Option Movable Dispenser Dispenser Maker Dispenser Total Capacity Freezer (ISO) Refrigerator 675 X 668 X 1785...
  • Page 9 PRODUCT SPECIFICATIONS 2-5. Electrical Part Specifications & Standard RT38(RT42)F***A** RT35(RT39)F***A** RT32(RT36)F***A** Model RT38(RT42)F***C** RT35(RT39)F***C** RT32(RT36)F***C** RT38(RT42)F***D** RT35(RT39)F***D** RT32(RT36)F***D** Type TMF 2 Door 110~127V/60Hz 110~127V/60Hz 110~127V/60Hz 110~127V/60Hz 110~127V/60Hz 110~127V/60Hz Rated Input 220~240V/50~60Hz 220~240V/50~60Hz 220~240V/50~60Hz 220~240V/50~60Hz 220~240V/50~60Hz 220~240V/50~60Hz Model MSV488AL1R MSV488AL1P MSV488AL1R...
  • Page 10 PRODUCT SPECIFICATIONS MODEL RT38(RT42), RT35(RT39), RT32(RT36), RT29(RT33), RT25(RT28), RT22(RT26) OFF (℃) Type Temperature Selection ON (℃) Freezer F-Sensor Not applied Actual set Dispaly bar Actual set Rotary type(6steps) type(5steps) temperature temperature 6.5±2℃ 7℃ 1 step 6.5±2℃ 5℃ 5.0±2℃ 2 step 5.0±2℃...
  • Page 11 PRODUCT SPECIFICATIONS 2-6. Dimension (MM) 12.5 MODEL RT38(RT42) 1251 1145 1785 643.5 703.5 726.5 RT35(RT39) 1251 1075 1715 643.5 703.5 726.5 RT32(RT36) 1200 1096 1715 647.5 707.5 730.5 RT29(RT33) 1200 1016 1635 647.5 707.5 730.5 RT25(RT28) 1120 1055 1635 612.5 672.5...
  • Page 12 PRODUCT SPECIFICATIONS 2-7. Display Design ① ② ③ ① ② ① POWER COOL When pressing the Power Cool button, its LED lamp ( ) will be on. And, it will accelerate the cooling speed to get the temperature of the stored food down to the set temperature. This function let the unit operate for two and a half hours continuously.
  • Page 13 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. • Remove any foreign matter or dust from the power plug pins. - Otherwise there is a risk of fire.
  • Page 14 DISASSEMBLY & REASSEMBLY 3-2. Disassembling the Freezer PART NAME DESCRIPTION FIGURE unscrew the 1 screw of Cover-Hinge. 2. Disconnect the connector of wires. Removing the Freezer Door counterclockwise, and then take o the Hinge-Upp. Take care when removing the door to ensure that it does not fall on you.
  • Page 15 DISASSEMBLY & REASSEMBLY 3-3. Disassembling the Refrigerator Door PART NAME DESCRIPTION FIGURE 1. First of all disassembly the Freezer Door. Remove screw and take o the cover. Before disconnect the wires be sure the water tank is empty. CAUTION e r i Water Line (Hose) Hose.
  • Page 16 DISASSEMBLY & REASSEMBLY 3-4. Disassembling the Fridge Door PART NAME DESCRIPTION FIGURE v i r o t t as shown, unlock the switch. Removing the Switch Door 2. Disconnect the wire connector...
  • Page 17 DISASSEMBLY & REASSEMBLY 3-5. Disassembling the Refrigerator Door PART NAME DESCRIPTION FIGURE 1. Pick Assy Cover-Dispenser like the picture, pull them both sides and upward. Disassembly of Dispenser Be careful not to scratch. CAUTION 1. Disconnect the wire connector. Disassembly of water valve 2.
  • Page 18 DISASSEMBLY & REASSEMBLY 3-6. Disassembling the Main PBA and Inverter PBA PART NAME DESCRIPTION FIGURE l l a with Inverter PBA and Main PBA. Main PBA and Inverter PBA 3.Remove the Inverter PBA and Main PBA by pulling the hook out. (Refer to the picture) Disconnect the Sensor and the Housing.

  • Page 19: Disassembly And Reassembly

    DISASSEMBLY & REASSEMBLY 3-7. Disassembling the Refrigerator Compartments PART NAME DESCRIPTION FIGURE These shelves allow the storage of larger items and pull out for easy access. Glass Shelf 1. Lift it up and pull the shelf out to the front. Drawers are designed for storage of fruits, vegetables, and deli items.
  • Page 20 DISASSEMBLY & REASSEMBLY 3-7. Disassembling the Refrigerator Compartments PART NAME DESCRIPTION FIGURE 1. Take out the Chilled drawer by pulling it 2. Take out the Cover by Pulling it one side Coolselect Zone Drawer When disassembling, make sure the unit turned off If you want to assembly, follow the reverse order.
  • Page 21 DISASSEMBLY & REASSEMBLY 3-8. Disassembling the Fridge Cover Multi PART NAME DESCRIPTION FIGURE 1. Remove the Cap-Screws. 2. Remove 1 screws with philips head driver. When disassembling, make sure the unit turned off If you want to assembly, follow the reverse order. CAUTION Cover Multi 3.
  • Page 22 DISASSEMBLY & REASSEMBLY 3-9. Disassembling the Fridge Cover Multi Temperature Sensor PART NAME DESCRIPTION FIGURE 1. After disassembling the Cover Multi, check the back. Cover Multi - Temperature Sensor 2. Detach the tape from EPS and Change sensor.
  • Page 23 DISASSEMBLY & REASSEMBLY 3-10. Disassembling the Cover Evap (RT38, RT42) PART NAME DESCRIPTION FIGURE 1. Remove the 2 cap-screws. 2. Remove 2 screws at the top. l l u h t i plier as a picture. Cover Evap (RT38, RT42)
  • Page 24 DISASSEMBLY & REASSEMBLY 3-10. Disassembling the Cover Evap (RT32, RT36) PART NAME DESCRIPTION FIGURE 1. Remove the cap-screws. 2. Remove 2 screws at the top. Cover Evap (RT32, RT36) 3. Pull out the ribs of air hole with long nose plier as a picture.
  • Page 25 DISASSEMBLY & REASSEMBLY 3-11. Disassembling the MOTOR FAN PART NAME DESCRIPTION FIGURE 1. Remove the masking tape. 2. Remove the AL-tape. h t i l l i MOTOR FAN Remove the washers. 4. Take o the ins evap rear by pulling it. 5.
  • Page 26 DISASSEMBLY & REASSEMBLY 3-12. Disassembling the Freezer Compartments (Auto Ice Maker Type : RT38F**K) PART NAME DESCRIPTION FIGURE 1. Take out the tray cube by pulling it. 2. Take out the Cover-Ice maker by pulling it. 3. Take out the Cool-Pack by pulling it. Auto Ice Maker Type (RT38F**K)
  • Page 27 DISASSEMBLY & REASSEMBLY 3-12. Disassembling the Freezer Compartments (Auto Ice Maker Type : RT38F**K) PART NAME DESCRIPTION FIGURE 7. Disconnect the ICE MAKER. 8. Disconnect the wire harness of Pipe Water. Auto Ice Maker h t i i l l i v i r Type on the top of cabinet.
  • Page 28 DISASSEMBLY & REASSEMBLY 3-13. Disassembling the Freezer Compartments (Ice Max Type) PART NAME DESCRIPTION FIGURE 1. Take out the tray cube by pulling it. Ice Max Type 2. Take out the Tray-Ice maker by pulling it. 3. Take out the Support -Ice maker by pulling it. 3-13-1.
  • Page 29 DISASSEMBLY & REASSEMBLY 3-14. Disassembling the Freezer Evaporator PART NAME DESCRIPTION FIGURE e r i left corner. Freezer. e r i Thermo Fuse and Thermistor) Evaporator l n i l t u in Freezer evaporator using a tube cutter or an oxy set. 5.
  • Page 30 4. TROUBLESHOOTING 4-1. Check-List before Trouble-Shooting 4-1-1. Test Function (Forced Operation / Forced Defrost) 4-1-1-1. How to Enter the TEST MODE 4-1-1-1-1. For Models with Electronic Displays 1. When pressing the "Fridge" and the "Power Cool" buttons on the PANEL PCB at the same time for more than 6 seconds, the PANEL DISPLAY will be on and off with an interval of 0.5 second for about 4 seconds.

  • Page 31: Troubleshooting

    TROUBLESHOOTING 4-1-1-1-2. Models with ROTARY S/W (Fridge Room) 1. If repeating 3 times switch of 'Coldest' Choices as Rotary Switch and "Dead Zone" over a second choice, a Test key will be recognized as a one circuit. However, the choice of "Coldest" and "Dead zone"...
  • Page 32 TROUBLESHOOTING 4-1-1-2. TEST MODE Description 4-1-1-2-1. FORCED OPERATION Function 1-1) Each time any button is pressed during the Test Mode, it will enter the Forced Operation. When it starts the Forced Operation, the temperature LED Lamps indicating 1℃, 2℃, 3℃, 5℃ and 7℃ will be on showing that it is on the Forced Operation.
  • Page 33 TROUBLESHOOTING 4-1-1-2-2. Forced Defrost Function 2-1) When it is on the Forced Operation during the Test Mode, press any button once. Then, the Forced Operation will stop immediately and it will go into the Forced F-Defrost. When it starts the Forced F-Defrost, the temperature LED Lamps indicating 3℃, 5℃ and 7℃ will be on showing that it is on the Forced F-Defrost.
  • Page 34 TROUBLESHOOTING 4-1-2. Self-Diagnosis Function 4-1-2-1. For Models with Electronic Displays 1) Self-Diagnosis Function upon Initial Power-On 1-1) When the unit is plugged into the power, MICOM diagnoses the status of the temperature sensors in a few minutes. 1-2) If defective sensor is found after Self-Diagnosis, relevant Display LEDs will blink at an interval of 0.5 sec.
  • Page 35 TROUBLESHOOTING ① ① ERROR DISPLAY (Refer to Self-Diagnosis Check List below) ※ Self-Diagnosis Check List ERROR CODE Defect Item Description (Temp Display) F-DEF ERROR Freezer Room Defrost Heater Error "1℃" LED LAMP EXT - SENSOR External SENSOR Error "2℃" LED LAMP R - SENSOR Fridge Room SENSOR Error "3℃"...
  • Page 36 TROUBLESHOOTING Self-Diagnosis Error Description Error Code Item Description Trouble Shooting Remove the MAIN PCB CN70 and CN77 connectors from the MAIN PCB and [ Freezer Defrost Heater ] read the continuity between BROWN ↔ Connector Slipped-Out or Open- ORG wires. Contact, Wire Cut or Short-Circuited, (It differs according to the energy F-DEF ERROR...
  • Page 37 TROUBLESHOOTING 4-1-2-2. Models with ROTARY S/W 1. When the unit is plugged in, it will diagnose all its components to check if there are any defect parts. And when there is any defect part, the ERROR MODE DISPLAY LED LAMP will blink according to the LED Blinking Frequency in the below table.
  • Page 38 TROUBLESHOOTING Self-Diagnosis Error Description Blinking Item Description Trouble Shooting Frequency Connector Slipped-Out or Open- The voltage between MAIN PCB CN30- F-DEF Contact, Wire Cut or Short-Circuited, Twice "4(RED) ↔ 7(Gray)" should be within -SENSOR Abnormal Sensing Temp (higher than 4.5V~0.5V. +65℃...
  • Page 39 TROUBLESHOOTING 4-1-3. Load Status Display Function 1) During the Normal Operation, press the Power Cool + Fridge buttons for 7 seconds. Then, the "2℃, 3℃, 5℃ " temperature LEDs on the Display Panel will blink at the interval of 0.5 seconds for 3 seconds. 2) At this time, release the Power Cool + Fridge buttons and press the Power Cool button (it sends out "Ding Dong"...
  • Page 40 TROUBLESHOOTING 4-1-4. Restoration of Previous Settings upon Instant Power Outage 1) If the Display Panel is initialized by the instant power outage, it will cause customer inquiries. To prevent this, when the power is restored, the previous settings will be restored or reset based on the inside temperature of the Fridge Compartment.
  • Page 41 TROUBLESHOOTING 4-1-6. Option Setting Function 1) During the Normal Operation, press the Fridge + Power Cool buttons for 4 seconds. Then, the entire Display Panel will blink at the interval of 0.5 seconds for 3 seconds. 2) At this time, release the Fridge + Power Cool buttons and press the Power Cool button (it sends out "Ding Dong"...
  • Page 42 TROUBLESHOOTING Option Mode & Button Control Description OPTION # Select MODE OPTION SET-VALUE SELECT MODE OPTION # INCREASE BY ONE DEGREE OPTION SET VALUE INCREASE BY ONE DEGREE (Rotation Type) (Rotation Type) ※ Input Buttons for Display Codes Display Code Input Key OPTION # Input with the Power Cool Button with the Power Cool...
  • Page 43 TROUBLESHOOTING ● When the Display Panel converts to the Option Setting mode, the Display will be changed to the Option # Select Mode or the Option Set OPTION # SELECT MODE OPTION SET-VALUE SELECT MODE (Power Cool LED Lamp On) (Power Cool LED Lamp Off) 1) For example, if you want to shift the standard temp of the Fridge compartment by -2℃, follow the steps below.
  • Page 44 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. (Except those described in this manual, do not change other values Setting Item Fridge Temp Shift Location : Temp Display...
  • Page 45 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 16419 1.153 2997 -56.2 4.677 144794 24.8 3.057 15731 105.8...
  • Page 46 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 Display bar related to the defective sensors keep blinking. - When sensor defects occur during the operation, the unit keeps working.
  • Page 47 TROUBLESHOOTING 2) When the EXT-Sensor is defective ERROR CODE Start MAIN PCB Connector CN31 is inserted properly? Connector contact defect / Reconnect DATA1. Temp Table EXT Sensor is normal? ** Sensor Resistance Reading Location ** Ambient : Between CN31 #1 and #2. Replace Temp Sensor ** Located in the PCB Box ** 0Ω...
  • Page 48 TROUBLESHOOTING 3) When the DEF-Sensor is defective ERROR CODE Start MAIN PCB Connector CN30 is inserted properly? Connector contact defect / Reconnect F-DEF Sensor is DATA1. Temp Table normal? ** Sensor Resistance Reading Location ** Replace Temp Sensor F-DEF : Between CN30 #4 and CN76 #1 ** 0Ω...
  • Page 49 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. ☞ When checking with the Self Diagnosis F FAN ERROR Start The Compressor is Off.
  • Page 50 Cooling Operation. Voltage Watt 406.9 RT29/ RT32 110.8 MAIN PCB 330.6 RT35/ Connection is normal? RT38 90.0 440.8 RT22/ Repair Connector RT25 120.0 Check Bimetal, Heater Wire Cut or Wire Contact Repair Defective Relay or replace PCB Assy...
  • Page 51 TROUBLESHOOTING 4-2-4. When there is no Power in MAIN PCB 4-2-4-1. Area that is Rated input voltage 220~240V. Caution - When checking the MAIN PCB, refer There is AC220~240V or to the Operation descriptions and DC310~340V at the MAIN PCB the "Reference"...
  • Page 52 TROUBLESHOOTING 4-2-4-2. Area that is Rated input voltage 110~127V. Caution - When checking the MAIN PCB, refer There is AC 110~127V or DC to the Operation descriptions and 156~180V at the MAIN PCB the "Reference" section. Power Circuit. So, be cautious when repairing the unit or measuring values.
  • Page 53 TROUBLESHOOTING 4-2-5. When the Compressor is not working (INVERTER PBA) When the inverter PBA LED is ON, it indicates that the compressor does operate Start normally 10 minutes have passed since COMP was off Check in 10 minutes When Forced Operation Refer to Test Function in this mode is activated, COMP operates manual...
  • Page 54 TROUBLESHOOTING 4-2-6. When the unit keeps alarming (Buzzer Sound) [Note] 1. Fridge / Freezer Door Open Alarm : It sends out an alarm sound when it passes over 2 minutes after the door is open. And, when the door remains open, it will keeps alarming every minute. 2.
  • Page 55 TROUBLESHOOTING No Buzzer Sound This model has a buzzer affixed on the MAIN PCB. If there is no buzzer sound upon button press, Forced Operation or Door Open, disconnect MAIN PCB and check if the buzzer is damaged or there is any defective soldering. (If it is not a soldering problem, it is recommended replacing MAIN PCB due to difficulties in repairing) ※...
  • Page 56 TROUBLESHOOTING 4-2-7. When PANEL PCB operates abnormally When PANEL PCB does not light up or partially does Start Refer to Wiring Diagram attached in this manual The connector on the and check the Electrical Fridge Top Table is Diagrams attached on the inserted properly.
  • Page 57 TROUBLESHOOTING 4-2-8. When the Room Lamp (LED) does not light up Door & MICOM State Start MICOM(#22) DOOR S/W Right DOOR S/W works Close normal (Open/Close) Open 0V(Low) Check & Replace DOOR S/W MICOM State IC10 MICOM #43 Output Door (Fridge) Voltage is normal Close Replace / Repair PCB...
  • Page 58 TROUBLESHOOTING LED blinking frequency depending on protecting functions(Inverter PBA) 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 59 This document can not be used without Samsung's authorization. TROUBLESHOOTING 4-2-9. 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 60 This document can not be used without Samsung's authorization. TROUBLESHOOTING 4-2-10. When the Water Pump does not work Water S/W& MICOM State Start MICOM(#26) WATER Switch On/Off WATER S/W works Close 0V(Low) properly? Open 5V(High) (On/Off/Closed) Check & Replace MICOM State...
  • Page 61 This document can not be used without Samsung's authorization. TROUBLESHOOTING 4-3. What to Check for No Ice / No Water (Only for models with the Ice Maker or Water Dispenser) 4-3-1. What to Check for No Ice 1. Check if the Ice OFF is lit on the Display Panel.

  • Page 62: Wiring Diagram

    This document can not be used without Samsung's authorization. 6. WIRING DIAGRAM FOR SIEL PLANT (INDIA)
  • Page 63 This document can not be used without Samsung's authorization. WIRING DIAGRAM FOR GLOBAL...

  • Page 64: Block Diagram

    This document can not be used without Samsung's authorization. 7. BLOCK DIAGRAM 7-1. BLOCK DIAGRAM (PBA Main)
  • Page 65 This document can not be used without Samsung's authorization. BLOCK DIAGRAM 7-2. Block Diagram (PBA Inverter)

  • Page 66: Schematic Diagram

    This document can not be used without Samsung's authorization. 8. SCHEMATIC DIAGRAM 8-1. CIRCUIT DIAGRAM (ASS'Y PCB MAIN) 8-1-1. BEST/BETTER...
  • Page 67 This document can not be used without Samsung's authorization. SCHEMATIC DIAGRAM 8-1-2. GOOD...
  • Page 68 This document can not be used without Samsung's authorization. SCHEMATIC DIAGRAM 8-2. CIRCUIT DIAGRAM (ASSY PCM INVERTER) 8-2-1. 220V PTZ18A OP103 JUMP OP104 JUMP R514 6.8K,F,0.125W C508 100nF D101 50V,10nF R515 4.7K,J,0.125W US1M R102 1000V 6.8K,F,0.125W 2.2K,F,0.125W R308 R516 33uF 6.8K,F,0.125W...
  • Page 69 This document can not be used without Samsung's authorization. SCHEMATIC DIAGRAM 8-2-2. 110V PTZ18A R514 6.8K,F,0.125W C508 100nF D101 50V,10nF R515 4.7K,J,0.125W R102 US1M 1000V 6.8K,F,0.125W 2.2K,F,0.125W R308 R516 33uF 6.8K,F,0.125W R517 6.8K,F,0.125W R311 0.125W R309 2K J 0.125W AGND R313 0.125W...
  • Page 70 This document can not be used without Samsung's authorization. SCHEMATIC DIAGRAM 8-2-3. INDIA PTZ18A R107 R106 R105 R104 100K,F,0.25W 100K,F,0.25W 100K,F,0.25W 100K,F,0.25W R514 6.8K,F,0.125W C508 100nF D101 50V,10nF R515 4.7K,J,0.125W US1M R102 1000V 6.8K,F,0.125W 2.2K,F,0.125W R308 R516 33uF 6.8K,F,0.125W R517 6.8K,F,0.125W...

  • Page 71: Reference Information

    9. REFERENCE INFORMATION 9-1. Nomenclature...
  • Page 72 REFERENCE INFORMATION 9-2. 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 resistance When the BLDC fan motor rotates generating BLDC motors for (detecting 43℃), the BLDC fan in low RPM, The friction with air both of the compartments are...
  • Page 73 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 let ventilation would get restricted them clean dust or any other which makes the refrigerator foreign substances in the machine overheated resulting in the increase compartment.
  • Page 74 REFERENCE INFORMATION Descriptions of symptoms Check Points Corrective Measures ● What can be done when frozen food gets melt in the freezer Defrost it by using hot water and check the defrost system for any fault. compartment or it does not cool And then, eliminate the root causes so as to prevent it from reoccurring.
  • Page 75 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. ☞ Check if the water tank is filled with water. ☞...

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