Samsung RFG297AARS Service Manual
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Samsung RFG297AARS Service Manual

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REFRIGERATOR
RFG297AA
For the latest parts information, Please access to our service web site
(● North America : http://service.samsungportal.com)
REFRIGERATOR
BOTTOM MOUNT FREEZER
BASIC : RFG297AA
MODEL NAME : RFG297AARS
RFG297AABP
RFG297AAWP
RFG297AAPN
MODEL CODE : RFG297AARS/XAA
RFG297AABP/XAA
RFG297AAWP/XAA
RFG297AAPN/XAA
CONTENTS
1. PRECAUTIONS(SAFETY WARNINGS) · · 4
2. PRODUCT SPECIFICATIONS · · · · · · · · · · 8
3. DISASSEMBLY AND REASSEMBLY · · 26
4. TROUBLESHOOTING · · · · · · · · · · · · · · · · 52
5. PCB DIAGRAM · · · · · · · · · · · · · · · · · · · · 103
6. WIRING DIAGRAM· · · · · · · · · · · · · · · · · · 108
7. SCHEMATIC DIAGRAM · · · · · · · · · · · · 112

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Summary of Contents for Samsung RFG297AARS

  • Page 1 REFRIGERATOR BOTTOM MOUNT FREEZER BASIC : RFG297AA MODEL NAME : RFG297AARS RFG297AABP RFG297AAWP RFG297AAPN MODEL CODE : RFG297AARS/XAA RFG297AABP/XAA RFG297AAWP/XAA RFG297AAPN/XAA REFRIGERATOR CONTENTS 1. PRECAUTIONS(SAFETY WARNINGS) · · 4 2. PRODUCT SPECIFICATIONS · · · · · · · · · · 8 3.

  • Page 2: Important Safety Notice

    The manufacturer or dealer cannot be responsible for the interpretation of this information. SAMSUNG ELECTRONICS AMERICA, INC. Technical Service Guide Copyright ⓒ2008 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) ·····································4 2. Product Specifications ········································8 2-1) Introduction of main function ···································9 2-2) Specifications ·········································11 2-3) Interior Views ·········································12 2-4) Model Specification ·······································13 2-5) Model Specification &Specification Chart ·····························14 2-6) Dimensions of Refrigerator (Inches)································17 2-7) Optional Material Specification ··································18 2-8) Refrigerant Route in Refrigeration cycle ······························19 2-9) Cooling Air Circulation ·····································25 3.
  • Page 4 Contents 4-2-6. If Power is not supplied ··································78 4-2-7. If compressor does not operate·······························79 4-2-8. When alarm sound continuous without stop(related with buzzer sound) ·············80 4-2-9. If Panel PCB does not work normally ····························82 4-2-10. If Pantry Panel PCB is not working normally·························83 4-2-11.

  • Page 5: Precautions(Safety Warnings)

    1. PRECAUTIONS(SAFETY WARNINGS) ● Unplug the appliance before the changing or repairing the electric parts. → Be careful the electric shock. ● When exchanging the parts, use the correct 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 Do not allow users to store narrow Do not allow users to store Do not allow users to put bottles or and lengthy bottles or foods in a pharmaceutical products, scientific kinds of glass in the freezer.
  • 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 660lbs(299kg).

  • Page 9: Product Specifications

    2. PRODUCT SPECIFICATIONS 2-1) INTRODUCTION OF MAIN FUNCTION ···························9 2-2) SPECIFICATIONS ····································11 2-3) INTERIOR VIEWS ····································12 2-4) MODEL SPECIFICATION ·································13 2-5) MODEL SPECIFICATION &SPECIFICATION CHART ····················14 2-6)DIMENSIONS OF REFRIGERATOR (INCHES)························17 2-7) OPTIONAL MATERIAL SPECIFICATION ··························18 2-8) REFRIGERANT ROUTE IN REFRIGERATION CYCLE ····················19 2-9) COOLING AIR CIRCULATION ·······························20...

  • Page 10: 2-1) Introduction Of Main Function

    2. PRODUCT SPECIFICATIONS 2-1) Introduction of Main Function A newly developed SAMSUNG bottom mount freezer in 2008 has the following ● ● characteristics. Surround Multi Flow Uniform cooling for each shelf and even in corner in fresh ● ● food compartment by centerpositioned fan and duct with multiple flow effluences.
  • Page 11 2. PRODUCT SPECIFICATIONS ▶ Changing Items Item Details New Model Easy The freezer door is more user-friendly. Handle So, it comes as much convenient. The dimension of the right-side drawer is 6:4 (H x W) with the shelf being raised. drawer So, the right-side drawer can be pulled out with the left door closed.

  • Page 12: 2-2) Specifications

    PRODUCT SPECIFICATIONS 2-2) Specifications ELECTRICAL SPECIFICATIONS Refrigerator Defrost Control From 24 to 32 hrs Thermo Bimetal Protector 140°F(60℃)(off) 104°F(40℃)(on) Defrost Thermistor(502AT) 50°F(10℃)(off) Electrical Rating AC115V 60Hz 11.6 Amps Maximum Current Leakage 0.25 mA (Air inlet) (Air inlet) (Air inlet) (Air inlet) (Air inlet) (Air inlet) Maximum Ground Path Resistance...

  • Page 13: 2-3) Interior Views

    PRODUCT SPECIFICATIONS 2-3) Interior Views Light Refrigerator Auto Door Closer Ice-Maker Water Filter Foldable-Shelf Dairy Compartment Slide-Shelf Slide-Shelf Vertical Hinged Section Door Bins Quick-Space Glass Shelf Vegetable & Fruit Drawers Cool Select Pantry Light Pull Out Drawer Tilting Pocket Freezer Freezer Drawer Bin...

  • Page 14: 2-4) Model Specification

    PRODUCT SPECIFICATIONS 2-4) Model Specification SAMSUNG MAYTAG ITEM SPEC RFG297AA MFI2568AES LFX25960ST Appearance Cooling Tech Twin Cooling Mono Cooling Mono Cooling Product Zone Door Shape Contour Contour Contour Special Room Cool Select Pantry Pantry Pantry F-Room 250↓ Cooling 199.2 R-Room 250↓...

  • Page 15: 2-5) Model Specification &Specification Chart

    PRODUCT SPECIFICATIONS 2-5) Model Specification &Specification Chart RFG297AA ITEM Model Ice & Water Dispenser with Pantry 35 3/4 inch (908mm) 29 1/8 inch (740mm) On Cabinet 32 7/8 inch (836mm) W/O Handle External size 35 3/4 inch (905mm) With Handle 68 3/4 inch (1744mm) W/O Hinge Cap 70 Inch (1778mm)
  • Page 16 PRODUCT SPECIFICATIONS Items Specification Model RFG297AA Model BK190C-L2C Starting type BLDC Compressor FREOL α - 15c Oil Charge Freezer SPLIT FIN TYPE Evaporator Refrigerator SPLIT FIN TYPE Condenser Forced and Natural Convection Type Dryer Molecular shieve XH-9 Capillary tube(Dia x Length) R : 0.032”...
  • Page 17 PRODUCT SPECIFICATIONS Items Specification Model REG297AA AC 115V, 240W Defrost Heater(FRE) Heated at F Defrost AC115V, 120W Defrost Heater(REF) Heated at R Defrost DISPENSER Heater AC115V, 2W Interlock with French Heater FRENCH Heater AC115V, 8W ICE Duct Heater AC115V, 4W Interlock with Defrost Heater (FRE) Water Tank Heater DC 12V, 2W...

  • Page 18: 2-6)Dimensions Of Refrigerator (Inches)

    PRODUCT SPECIFICATIONS 2-6)Dimensions of Refrigerator (Inches) 35 3/4"(908mm) 35 5/8"(905mm) 32 7/8"(836mm) 3/16"(5mm) 1.3"(34mm)

  • Page 19: 2-7) Optional Material Specification

    PRODUCT SPECIFICATIONS 2-7) Optional Material Specification Part Name Part Code AMOUNT FILTER DA29-00003B WATER-ASSY ASSY-PACKING DA99-00240S INCANDESCENT LAMP 4713-001223 LED LAMP DA96-00329A...

  • Page 20: 2-8) Refrigerant Route In Refrigeration Cycle

    PRODUCT SPECIFICATIONS 2-8) Refrigerant Route in Refrigeration cycle 1. Compressor → Sub-condenser → Hot Pipe → Back Cluster Pipe → Dryer → R Capillary Tube → Refrigerator Evaporator → Freezer Evaporator → Suction Pipe → Compressor 2. Compressor → Sub-condenser → Hot Pipe → Back Cluster Pipe → Dryer → F Capillary Tube → Freezer Evaporator →...

  • Page 21: 2-9) Cooling Air Circulation

    PRODUCT SPECIFICATIONS 2-8-1. PRINCIPLE OF FREEZEER...
  • Page 22 PRODUCT SPECIFICATIONS 2-8-2. 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 refrigerant discharged from compressor 2) Types A.
  • Page 23 PRODUCT SPECIFICATIONS 2-8-3. Operation theory of refrigeration cycle components ■ Evaporator 1. Role: As the low pressure liquid refrigerant flowed from capillary absorbs heat inside of the refrigerator, it becomes low pressure gas and refrigerate the foods. 2. Theory: The low pressure refrigerant flowed to evaporator operates cooling which takes ambient evaporated potential heat with maintaining the evaporation up to evaporate completely.
  • Page 24 PRODUCT SPECIFICATIONS 2-8-4. Operation theory of refrigeration cycle components ※.Influence of moisture ① Moisture precipitation – Blocked by ice ② Refrigerant and reaction ③ Life reduction of oil ④ Acceleration of oxidization ⑤ Copper plating phenomenon ⑥ Gas dissolution by the interaction of synthetic insulating material (insulator) ※.Influence of foreign substance ①...
  • Page 25 PRODUCT SPECIFICATIONS 2-8-5. Refrigeration Cycle Type TDM Cycle Compressor Sub-Condenser Fin-Condenser Cluster Rear Freezer Hot-Pipe Fridge Hot-Pipe Dryer 3Way Valve Fridge Capillary Tube Fridge Evaporator Connected Capillary Freezer Evaporator Freezer Capillary Tube Suction Pipe Accumulator HM Cycle Compressor Sub-Condenser Hot Pipe Dryer Capillary Tube Refrigerator Evaporator...

  • Page 26: 2-9) Cooling Air Circulation

    PRODUCT SPECIFICATIONS 2-9) Cooling Air Circulation Refrigerator Freezer...

  • Page 27: Disassembly And Reassembly

    3. DISASSEMBLY AND REASSEMBLY 3-1) PRECAUTION ······························27 3-2) REFRIGERATOR DOOR ·························28 3-3) DOOR HANDLE FREEZER ························30 3-4) REFRIGERATOR LIGHT ·························31 3-5) COVER-DISPLAY & WATER-DISPENSER··················31 3-6) WATER-DISPENSER ···························32 3-7) GLASS SHELF ·····························33 3-8) FOLDABLE GLASS SHELF ························34 3-9) VEGETABLE & FRUIT DRAWERS SHELF ·················34 3-10) COOL SELECT PANTRY·························35 3-11) WATER TANK ·····························36 3-12) MOTOR DAMPER····························37...

  • Page 28: 3-1) Precaution

    DISASSEMBLY AND REASSEMBLY 3-1) 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. • Remove any foreign matter or dust from the power plug pins. - Otherwise there is a risk of fire.

  • Page 29: 3-2) Refrigerator Door

    DISASSEMBLY AND REASSEMBLY 3-2) Refrigerator Door Part Name How To Do Descriptive Picture 1. With the door opened, remove the Top Table cap(1⃞) with a Flat head screwdriver, and close the 1⃞ door. 2⃞ 2. Remove the 3 screws holding down the Top Table and remove the Top Table(2⃞).

  • Page 30: 3-3) Door Handle Freezer

    DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture 5. Lift the door straightly up to remove. Refrigerator Door 6. With a Philips head screwdriver, [12] remove the two screws ([10]) attatched to the lower left and right door hinges. With a wrench(10mm), remove the 2 flat head screws ([11]) [11]...

  • Page 31: 3-3) Door Handle Freezer

    DISASSEMBLY AND REASSEMBLY 3-3) Door Handle Freezer Part Name How To Do Descriptive Picture 1. Remove the Cap Door with a flat-blade(-) screwdriver. 2.Remove 4 screws 1⃞ 3. Lift up the handle to have the Door Handle Slider Handle Fre(1⃞) pushed Freezer back.

  • Page 32: 3-4) Refrigerator Light

    DISASSEMBLY AND REASSEMBLY 3-4) Refrigerator Light Part Name How To Do Descriptive Picture 1. Remove the lamp cover by pulling it down as pushing the rear of lamp cover. Refrigerator Light 2. Remove the screw. And separate the LED panel. 3-5) Cover-Display &...

  • Page 33: 3-6) Water-Dispenser

    DISASSEMBLY AND REASSEMBLY 3-6) Water-Dispenser Part Name How To Do Descriptive Picture 1. Disengage the 3 Housing Connectors. 2. Remove 2 screws of the Case Ice Route Assy. Water-Dispenser 3. Pull the Case Ice Route Assy. 4. Push the hook and remove the Micro Switch.

  • Page 34: 3-7) Glass Shelf

    DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture hose 1. Assembly shall be in order from the disassembly. Case-Ice and Route shall be assembled inside of hose. Otherwise, assemble cannot be accomplished. Water-Dispenser 2. When assembling Cover- Display, first insert it from leftside and then assemble to rightside.

  • Page 35: 3-7) Glass Shelf

    DISASSEMBLY AND REASSEMBLY 3-8) Foldable Glass Shelf Part Name How To Do Descriptive Picture Remove 2 screws of the Folderble Foldable Glass Glass Shelf Shelf 3-9) Vegetable & Fruit Drawers Shelf Part Name How To Do Descriptive Picture 1. Remove the vegetable & fruit drawer by pulling the roller part and lifting it up.

  • Page 36: 3-10) Cool Select Pantry

    DISASSEMBLY AND REASSEMBLY 3-10) Cool Select Pantry Part Name How To Do Descriptive Picture 1. Remove the cool select pantry Cool Select Pantry by pulling the roller part and lifting it up. 1. Remove the cool select pantry Cool Select Pantry cover by lifting the central part of the cover while pushing it to Cover...

  • Page 37: 3-11) Water Tank

    DISASSEMBLY AND REASSEMBLY 3-11) Water Tank Part Name How To Do Descriptive Picture The Water Tank is located in the lower part of the fridge. Before disassembling the Water Tank take out shelves and drawers and pantry located in front of the Water Tank.

  • Page 38: 3-13) Water Filter (Disassembly)

    DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture One Water Tube is located in the machine compartment of the refrigerator. Before disassembling the Water Tube, take out the compressor cover. 5. Remove the water valve fixed by the screw. 6.

  • Page 39: 3-12) Motor Damper

    DISASSEMBLY AND REASSEMBLY 3-12) Motor Damper Part Name How To Do Descriptive Picture 1. Remove the cool select pantry. Remove the screw part of lower motor damper part and then push the motor damper down. Motor Damper 2. Disengage 2 housing connectors from the rear motor damper.

  • Page 40: 3-14) Water Filter (Reassembly)

    DISASSEMBLY AND REASSEMBLY 3-14) Water Filter (Reassembly) Part Name How To Do Descriptive Picture 1. Place the part of (ⓐ) arrow (that is indicating in the picture) in the middle of the front filter cover and push it up. Water Filter ⓐ...

  • Page 41: 3-16) Vertical Hinged Section

    DISASSEMBLY AND REASSEMBLY 3-16) Vertical Hinged Section Part Name How To Do Descriptive Picture 1. Remove 2 screw cap parts with a flat-blade(-) screwdriver. (Refer to the picture) 2. Unscrew 2 screws. Vertical Hinged Section 3. Disengage the internal housing connector of the vertical hinge.

  • Page 42: 3-17) Evaporator Cover In Refrigerator

    DISASSEMBLY AND REASSEMBLY 3-17) Evaporator Cover In Refrigerator Part Name How To Do Descriptive Picture 1. Remove the angle cap with a flat-blade screwdriver. (Refer to the picture) 2. Unscrew 4 screws. 3. Remove the the lower part of angle mid by pulling it out and Evaporator Cover pushing it down.

  • Page 43: 3-18) Evaporator In Refrigerator

    DISASSEMBLY AND REASSEMBLY 3-18) Evaporator In Refrigerator Part Name How To Do Descriptive Picture 1. Remove the the housing cover by pushing both lateral sides of the housing cover and pulling it out. (Refer to the picture) 2. Disconnect the housing connector part.

  • Page 44: 3-19) Freezer Door

    DISASSEMBLY AND REASSEMBLY 3-19) Freezer Door Part Name How To Do Descriptive Picture 1. Pull the drawer open to full extension. ② 2. Remove the tilting Pocket(①) by pulling the both brackets(②) upward at the same time. ① 3. Take out the lower basket(③) by Freezer lifting the basket up from rail ③...

  • Page 45: 3-20) Pull Out Drawer

    DISASSEMBLY AND REASSEMBLY 3-20) Pull Out Drawer Part Name How To Do Descriptive Picture 1. Slide the drawer in as much as possible. Door Handle 2. Lift the drawer up. Freezer 3. Remove the pull out drawer by lifting the bottom part of drawer bin and pulling it out.

  • Page 46: 3-21) Ice-Maker

    DISASSEMBLY AND REASSEMBLY 3-21) Ice-Maker Part Name How To Do Descriptive Picture lever 1. Pull the lever forward and take out the ice bucket. 2. Remove 1 screw of the Cover. 3. Disassemble the cover with a Ice Maker flat-blade(-) screwdriver and pull it out.

  • Page 47: 3-22) Freezer Light

    DISASSEMBLY AND REASSEMBLY 3-22) Freezer Light Part Name How To Do Descriptive Picture 1. Remove the light by pulling the light cover down while pushing Freezer Light the rear plane of light cover. 3-23) Door Switch In Freezer Part Name How To Do Descriptive Picture 1.

  • Page 48: 3-24) Evaporator Cover In Freezer

    DISASSEMBLY AND REASSEMBLY 3-24) Evaporator Cover In Freezer Part Name How To Do Descriptive Picture 1. Remove the freezer door and freezer drawer by pulling out the drawer and then unscrewing 2 screws. Evaporator Cover 2. Lift up the evaporator cover. Freezer 3.

  • Page 49: 3-26) Machine Compartment

    DISASSEMBLY AND REASSEMBLY 3-26) Machine Compartment Part Name How To Do Descriptive Picture 1. Unscrew 5 screws of cover compressor. 2. Disengage the housing connector. (Refer to the picture) 3. Remove the hooker of support circuit motor by lifting the hooker up and pulling it out.
  • Page 50 DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture 1. Disengage the housing connector. Relay O/L 2.Remove Cover Relay. 3. Remove the relay O/L with a flat-blade screwdriver. (Refer to the picture) 1. Unscrew the screw which is fixing the Water Valve. 2.
  • Page 51 DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture 1. Unscrew 2 screws. 2. Disengage the housing connector. Power Cord & 3. Unscrew 3 earth screws. Noise Filter 4. Remove the cover by pushing the hook up using a flat-blade(-) screwdriver.

  • Page 52: 3-27) Electric Box

    DISASSEMBLY AND REASSEMBLY 3-27) Electric Box Part Name How To Do Descriptive Picture 1. Pull the refrigerator forward to have enough space to work at the rear side of the appliance. 2. Unscrew 2 screws of the PCB cover. 3. Disengage all housing PBA Main connectors from the main PCB.

  • Page 53: Troubleshooting

    4. TROUBLESHOOTING 4-1) FUNCTION FOR FAILURE DIAGNOSIS ···························53 4-1-1. TEST MODE (MANUAL OPERATION / MANUAL DEFROST FUNCTION) ···········53 4-1-2. DISPLAY FUNCTION OF COMMUNICATION ERROR ···················54 4-1-3. SELF-DIAGNOSTIC FUNCTION ····························55 4-1-4. DISPLAY FUNCTION OF LOAD CONDITION ·······················58 4-1-5. EXHIBITION MODE SETTING FUNCTION ························59 4-1-6.

  • Page 54: 4-1) Function For Failure Diagnosis

    TROUBLESHOOTING 4-1) Function for failure diagnosis 4-1-1. Test mode (manual operation / manual defrost function) ● If Energy Saver Key + Fridge Key on the front of panel are pressed simultaneously for 8 seconds , it will be changed to the test mode and all displays on the front of panel will be off. ●...

  • Page 55: Display Function Of Communication Error

    TROUBLESHOOTING 2) Simultaneous manual defrost(fresh food and freezer compartments) function 2-1) If any key is pressed one more time during manual operation(fresh food compartment), "Fd" shows in the display and then manual operation will be canceled at once and fresh food compartment will be defrosted.

  • Page 56: 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.
  • Page 57 TROUBLESHOOTING Self-diagnosis CHECK LIST Trouble item Display LED Trouble contents Ice Maker Sensor Error R-1-ⓐ Sensor system in ICE MAKER errors R-Sensor Error R-1-ⓑ Sensor system in FF compartment errors R-DEF-Sensor Error R-1-ⓒ Defrost Sensor system in FF compartment errors R-FAN Error R-1-ⓓ...
  • Page 58 TROUBLESHOOTING Self-diagnostics check list Trouble contents Item Diagnostic method The voltage of MAIN PCB CN90 #3↔CN90#4 : Display error : separation of sensor housing R-1-ⓐ Ice Maker Sensor Error shall be between 4.5V~1.0V. part, contact error, disconnection, short The voltage of MAIN PCB CN30#6↔ circuit R-1-ⓑ...

  • Page 59: Display Function Of Load Condition

    TROUBLESHOOTING 4-1-4. Display function of Load condition ① ① ① ① ② ② ① If Energy Saver Key + Lighting key 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 Energy Saver Key + Lighting key 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 seconds.

  • Page 60: Exhibition Mode Setting Function

    TROUBLESHOOTING Load mode Check list Display LED Display contents Operation contents R-1-ⓐ R-FAN High When FF compartment FAN operates with high speed, applicable LED ON R-1-ⓑ R-FAN Low When FF compartment FAN operates with low speed, applicable LED ON R-1-ⓒ R-DEF Heater When FF compartment defrost heater operates, LED ON R-1-ⓓ...

  • Page 61: Option Setting Function

    TROUBLESHOOTING 4-1-6. Option setting function ● If Freezer Key+ lighting Key are pressed simultaneously for 12 seconds during normal operation, fresh food and freezer compartments temperature display will be changed to option setting mode. KEY operation method for changing to option mode ①...
  • Page 62 TROUBLESHOOTING Code Reference Value 1) For example, if you want to change freezer compartment standard temperature to -4℉(-2°C) by operating option, do as below. This function is for changing the standard temperature. In -2℉(-19°C) of current temperature of freezer compartment, if you make the temperature lower to -4℉ (-2°C) by the option, the standard temperature would be controlled -6℉(-21°C) Therefore, if you change the setting of temperature option to -2℉(-19°C) on the panel, the appliance will be operated with -6℉(-21°C).

  • Page 63: Option Table

    TROUBLESHOOTING 4-1-7. Option TABLE 1) Temperature changing table of freezer compartment Set item Freezer Temp Shift MODEL RFG29***** Fridge Room 7-SEG Reference Value Setting value Temp. compensation compartment 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℃) +1℉(+0.5℃) Code Reference Value +2℉(+1.0℃) ex) If you want to change the freezer standard temperature to +3℉(+1.5℃)

  • Page 64: 4-2) Diagnostic Method According To The Trouble Symptom(Flow Chart)

    TROUBLESHOOTING 4-2) 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 ℃ ℉ ℃ ℉ ℃ ℉ Voltage Resistance Voltage Resistance Voltage Resistance 4.694 153319...

  • Page 65: If The Trouble Is Detected By Self-Diagnosis

    TROUBLESHOOTING 4-2-1. 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 of abnormal sensor part will blink.
  • Page 66 TROUBLESHOOTING 2) If R Sensor has trouble ERROR Code Start Is MAIN PCB DATA1. Connector CN30 and CN76 inserted Temperature table correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** Is R Sensor R : CN30#6 ↔...
  • Page 67 TROUBLESHOOTING 3) If R DEF Sensor has trouble ERROR Code Start Start Is MAIN PCB DATA1. Connector CN30 and CN76 inserted Temperature table correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** R-DEF : CN30#8 ↔...
  • Page 68 TROUBLESHOOTING 4) If Ambient Sensor has trouble ERROR Code Start Start Is MAIN PCB DATA1. Connector CN31 inserted Temperature table correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** Ambient : CN31#1 ↔ #4 measuring resistance value Is Ambient Sensor ** Placed in the right top table of upper hinge.
  • Page 69 TROUBLESHOOTING 5) If F Sensor has trouble ERROR Code Start Start Are MAIN PCB DATA1. Connector CN30 and CN76 Temperature table inserted correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** Is F Sensor F : CN30#3 ↔...
  • Page 70 TROUBLESHOOTING 6) If F DEF Sensor has trouble ERROR Code Start Start Are MAIN PCB DATA1. Connector CN30 and Temperature table CN76 insert correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** F-DEF : CN30#4 ↔...
  • Page 71 TROUBLESHOOTING 7) If Ice Room Sensor has trouble ERROR Code Start Start Is MAIN PCB DATA1. Connector CN31 and CN76 inserted Temperature table correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** Ambient : CN32#3 ↔...
  • Page 72 TROUBLESHOOTING 8) If Pantry Sensor has trouble ERROR Code Start Start Is MAIN PCB DATA1. Connector CN30 and CN76 insert Temperature table correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** Is Pantry Sensor Pantry : CN30#9 ↔...
  • Page 73 TROUBLESHOOTING 9) If Pantry Room Damper Heater has trouble ERROR Code Start Start Measure the resistance Is Damper Heater between ①-② after normal?(about145ohm) CN91 connector open 145ohm ± 7% Replace Damper Is MAIN PCB connector (CN91) inserted correctly? Bad contact of connector/ insert correctly Initial Damper Damper...
  • Page 74 TROUBLESHOOTING 10) If Tank Water Heater has trouble ERROR Code Start Start Is MAIN PCB connector (CN79) inserted correctly? Bad contact of connector/ insert correctly Measure the resistance Is Tank Water Heater between ⑥-⑩ after normal?(about72ohm) CN79 connector open 72ohm ± 7% 1) Wire connector Initial Working...

  • Page 75: If Fan Does Not Operate

    TROUBLESHOOTING 4-2-2. 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 76: If Ice Room Fan Does Not Operate

    TROUBLESHOOTING 4-2-3. If ICE Room Fan does not operate - This refrigerator has BLDC FAN motor. BLDC motor is driven by DC7~12V. - When COMP ON, normally operates with F-FAN motor. - If there is any trouble, you should select the self-diagnostic function to check the trouble before power off. Start - When pressing the ICE TEST S/W for a certain period of time (over 1.5sec), the function is accomplished.

  • Page 77: If Ice Maker Does Not Operate

    TROUBLESHOOTING 4-2-4. If Ice Maker does not operate 1. Water is automatically supplied to the Ice Maker depending on temperature & time condition and Ice Maker Dispenses cubed or crushed ice. 2. Power is applied to the one end of wires. Be careful when disassembling and shall refer to its exploded diagram in any case.

  • Page 78: If Defrost Does Not Operate (F,R Def Heater)

    TROUBLESHOOTING 4-2-5. 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. (Check the function with the self-diagnostic function) R DEF ERROR F DEF ERROR **Measuring point of resistance value according to heater** F-DEF(Ice Duct parallel) : CN70#7(Brown) ↔...

  • Page 79: If Power Is Not Supplied

    TROUBLESHOOTING 4-2-6. If Power is not supplied Caution - Refer to the function and At the power of main PCB, the reference parts in the manual AC115V power and a high-voltage when check the MAIN PCB Start over DC 170V are occurred.Please take care of yourself during repair and measurement.

  • Page 80: If Compressor Does Not Operate

    TROUBLESHOOTING 4-2-7. If compressor does not operate Start Did 5 mins pass after Compressor OFF ? Check after 5 minutes Refer to test function Does compressor work in the manual with manual operation? Did buzzer of manual operation sound? (Check certainly after manual operation) Is freezer sensor normal? 0~800Hz 50% Duty Is CN75 PIN #4...

  • Page 81: When Alarm Sound Continuous Without Stop(Related With Buzzer Sound)

    TROUBLESHOOTING 4-2-8. When alarm sounds continuously without stop(related with buzzer sound) ① If 'ding-dong' sounds continuously Start Door is ajar Is door closed completely? Remove causes after comprehending the conditions of interference by door gasket, food etc. Is water penetrated into the door switch? Replace Door S/W Door &...
  • Page 82 TROUBLESHOOTING ③ If buzzer does not sound Buzzer is installed on the panel PCB in this model. If buzzer does not sound even though the button is pressed, manual operation is started and door is opened, it should separate panel PCB and check the breakage of buzzer and bad soldering. It is very hard to repair the panel PCB because it consists of SMD assemblies.

  • Page 83: If Panel Pcb Does Not Work Normally

    TROUBLESHOOTING 4-2-9. If Panel PCB does not work normally ① When lighting of Panel PCB is disabled or only some LED Lamp are disabled Be careful to repair because display of this model is installed in the MICOM of internal PCB. It is recommended to replace PCB MAIN after checking except specified solder touch.

  • Page 84: If Pantry Panel Pcb Is Not Working Normally

    TROUBLESHOOTING 4-2-10. If Pantry Panel PCB is not working normally You should check the display after door opening because the display of this model operates only when the fresh food compartment door is opened. Start Does fresh food compartment door switch operate normally? Check and repair the switch * Refer to<how to repair door switch>...

  • Page 85: When Refrigerator Room Lamp Does Not Light

    TROUBLESHOOTING 4-2-11. When refrigerator ROOM Lamp does not light up 1. When you replace the lamp of freezer, please power OFF to avoid an electric shock. 2. Please keep in mind you could get burnt by the excessive heating of an incandescent light bulb. 3.
  • Page 86 TROUBLESHOOTING 1) LED LAMP When controlling the regrigerator light with Regulator(12V) : LED LAMP → Applying only to the FF compartment. * If the Vegetable Lamp does not work properly, check the FF compartment LED Lamp because it is connected with the FF compartment LED Lamp in parallel. Refer to the circuit diagram to repair. Start Door &...

  • Page 87: If Ice Water Is Not Supplied

    TROUBLESHOOTING 4-2-12. If ICE Water is not supplied 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. Typical PCB Ground REG1 Heater Sink Start Is the confirming sound of Normal(Check Ice...

  • Page 88: If Water Is Not Supplied

    TROUBLESHOOTING 4-2-13. If Water is not supplied 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. Start ☞ Checking method of Valve resistance (Must power off for checking) Resistance can be changed by input voltage.

  • Page 89: If Cubed Or Crushed Ice Is Not Supplied

    TROUBLESHOOTING 4-2-14. If Cubed or Crushed Ice is not supplied Freezer door shall be Start closed during operation. Are Ices ejected? Are Ices in the Ice bucket? Is “Ice Off” mode ① Check the Ice making switch selected on the display ②...

  • Page 90: If Cover Ice Route Moor(Geard Motor) Is Not Working Normally

    TROUBLESHOOTING 4-2-15. If Cover Ice Route Motor(Geard Motor) is not working normally 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 91: If Photosynthetic Led Lamp Does Not Work Properly

    TROUBLESHOOTING 4-2-16. If Photosynthetic LED Lamp does not work properly Sears model Option * Please check the Power prior to repair, even though DC power does not cause electric shock. This lamp operates related to COMP operation, please check the COMP first. Start Photosynthesis LED Lamp is always on when the COMP...

  • Page 92: If Inverter Pcb Power Is Not Supplied

    TROUBLESHOOTING 4-2-17. If Inverter PCB Power is not supplied Caution At the INVERTER PCB Power, AC 110V/220V power and over DC 300V - See the operations and of high-voltage are applied. Please take Start reference in this manual care of yourself when repair and when check the MAIN PCB.

  • Page 93: If Compressor Does Not Operate

    TROUBLESHOOTING 4-2-18. If compressor does not operate Start Did 5 mins pass after Compressor Off? Check after 5 minutes Refer to test function in Does compressor work with manual operation? the manual Did buzzer of manual operation sound? Is freezer sensor normal? (Check certainly after manual operation) 0~800Hz 50% Duty Is CN79 PIN #4...

  • Page 94: Led Blinking Frequency Depending On Protecting Functions

    TROUBLESHOOTING 4-2-19. 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 95: Spm Internal Diode Voltage

    TROUBLESHOOTING SPM Internal DIODE Voltage...

  • Page 96: Inverter Controller Board Connector Location

    TROUBLESHOOTING INVERTER CONTROLLER BOARD Connector Location 1. Inrush Current protecting area : It prevents an instant inrush of current generated in condenser when plug in. 2. PCB Power Source : Power source (HYBRID IC). It supplied DC15V and 5V to MICOM. 3.

  • Page 97: Inverter Pcb Circuit Diagram

    TROUBLESHOOTING INVERTER PCB Circuit Diagram...

  • Page 98: Inrush Current Protecting Circuit

    TROUBLESHOOTING 4-3-1. INRUSH CURRENT Protecting Circuit 1) The Power Thermistor prevents an instant inrush of current generated in condenser(C1) when plug in, and Relay(K1) operates 0.1 second after plug in and the power is supplied by relay afterward. 2) The Fuse 1 is designed as 5A to prevent over current applied to Compressor, and Fuse 2 is designed as 1A to protect SMPS area and power in secondary part.

  • Page 99: Power Source(Hybrid

    TROUBLESHOOTING 4-3-2. Power Source (HYBRID IC) 1) The power supplied by Noise-Filter is rectified through COMP OLP and the voltage of 300V/DC, rectified through DIODE, is applied in parallel to the SPM and SMPS area, a compressor operating driver. 2) The power source is the circuit which reduces 300V/DC to each 12V/DC and 15V/DC by Hybrid IC, and supplied to operate the MICOM for controlling COMP, and SPM.

  • Page 100: Location Sensing Resistance Area

    TROUBLESHOOTING 4-3-3. Location Sensing Resistance Area 1) The circuit makes an AD conversion from MICOM for about 3.3V that divides the Motor Back EMF voltage (DC300V) by 3 of 300K resistance and 10K resistance.

  • Page 101: Sensing Current Area

    TROUBLESHOOTING 4-3-4. Sensing Current Area 1) It is the circuit which senses the current from the SHUNT resistance and controls PWM DUTY and the converted value as voltage (about 0.5V) is applied to the MICOM PIN #18.

  • Page 102: Comp Operating Signal Area

    TROUBLESHOOTING 4-3-5. Comp Operating Signal Area 1) It is the circuit which receives COMP operating signal (200HZ ~ 400HZ) from Main PCB and controls the RPM of the Inverter Comp.

  • Page 103: Bootstrap Charging Area

    TROUBLESHOOTING 4-3-6. BOOTSTRAP Charging Area 1) It is the charging circuit that 1GBT of SPM can On/Off securely. This circuit stores the power voltage to operate High-Side Power Switch of SPM and is constituted as 3 Capacitors and charges the capacitors by turning the Low-Side Power Switch "On" just before starting the motor for a certain period of time (1000ms).

  • Page 104: Pcb Diagram

    5. PCB DIAGRAM 5-1) PCB LAYOUT WITH PART POSITION ··························104 5-2) PCB LAYOUT WITH PART POSITION (SMPS BOARD) ···················105 5-3) CONNECTOR LAYOUT WITH PART POSITION (MAIN BOARD)···············106 5-4) CONNECTOR LAYOUT WITH PART POSITION (SMPS BOARD)···············107...

  • Page 105: 5-1) Pcb Layout With Part Position

    PCB DIAGRAM 5-1) PCB Layout with part position 1. DC13V, 5V, GND supplied from SMPS PCB 2. Circuit for controlling Step-Valve (3-Way Valve) * Option 3. FAN MOTOR control part : To supply the power from 8.3V ~ 12V according to the motor types. (F,R,C,ICE) 4.

  • Page 106: 5-2) Pcb Layout With Part Position (Smps Board)

    PCB DIAGRAM 5-2) PCB Layout with part position (SMPS Board) 1. Inrush current protecting area : It prevents an instant inrush of current generated in condenser when plug in. 2. PCB Power Bus : power bus (Hybrid IC). It supplies DC15V and 5V to MICOM. 3.

  • Page 107: 5-3) Connector Layout With Part Position (Main Board)

    PCB DIAGRAM 5-3) Connector Layout with part position (Main Board) 5-3-1. RFG29*AA**...

  • Page 108: 5-4) Connector Layout With Part Position (Smps Board)

    PCB DIAGRAM 5-4) Connector Layout with part position (SMPS Board) 5-4-1. RFG29*AA**...

  • Page 109: Wiring Diagram

    7. WIRING DIAGRAM 7-1) Model : RFG295AA**[BETTER]...

  • Page 110: 6-2) Model : Rfg297Aa**[Best]

    6. WIRING DIAGRAM 6-2) Model : RFG297AA**[BEST] +13V...

  • Page 111: 6-3) Model : Rfg299Aa**[7" Lcd]

    6. WIRING DIAGRAM 6-3) Model : RFG299AA**[7" LCD]...

  • Page 112: 6-4) Model : Rfg294Aa**[Sears]

    6. WIRING DIAGRAM 6-4) Model : RFG294AA**[SEARS]...

  • Page 113: Schematic Diagram

    7. SCHEMATIC DIAGRAM 7-1) Whole block diagram 7-1-1. MODEL : RFG295AA**[BETTER]...

  • Page 114: Model : Rfg297Aa**[Best]

    7. SCHEMATIC DIAGRAM 7-1) Whole block diagram 7-1-2. MODEL : RFG297AA**[BEST]...

  • Page 115: Model : Rfg299Aa**[7" Lcd]

    7. SCHEMATIC DIAGRAM 7-1) Whole block diagram 7-1-3. MODEL : RFG299AA**[7" LCD]...

  • Page 116: Model : Rfg294Aa**[Sears]

    7. SCHEMATIC DIAGRAM 7-1) Whole block diagram 7-1-4. MODEL : RFG294AA**[SEARS]...

  • Page 117: Model : Rfg29*Aa**[Aw2])

    7. SCHEMATIC DIAGRAM 7-1) Whole block diagram 7-1-5. MODEL : RFG29*AA**[AW2])

  • Page 118: 7-2) Circuit Diagram

    SCHEMATIC DIAGRAM 7-2) CIRCUIT DIAGRAM 7-2-1. Main...

  • Page 119: Inverter

    SCHEMATIC DIAGRAM 7-2) CIRCUIT DIAGRAM 7-2-2. INVERTER...
  • Page 120 MEMO...
  • Page 121 Gwangju-City, Korea, 506-253 TEL : 82-62-950-6193, 6896 FAX : 82-62-950-6829 - 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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