Page 1REFRIGERATOR BOTTOM MOUNT FREEZER BASIC : RFG297AA MODELL NAME : RFG29 MODE RFG297AARS 7AARS 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. DISASSEM
Page 2WARNING IMPORTANT SAFETY NOTICE The service guide is for service men with adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt to repair a major appliance may result in personal injury and property damage. The manufacturer or dealer cannot be responsible for the int
Page 3Contents 1. Precautions(Safety Warnings) 4 2. Product Specifications 8 2-1) Introduction of main function 9 2-2) Specifications 11 2-3) Interior Vi
Page 4Contents 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
Page 51. 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. When troubleshooting
Page 6PRECAUTIONS(SAFETY PRECA UTIONS(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 “Prohibite
Page 7PRECAUTIONS(SAFETY PRECA UTIONS(SAFETY WARNINGS) ❈ Please let users know following warnings & cautions in detail. Warning & Caution Do not allow users to put bottles or Do not allow users to store narrow Do not allow users to store kinds of glass in the freezer. and lengthy bottles or foods in a pha
Page 8PRECAUTIONS(SAFETY PRECA UTIONS(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 6
Page 92. PRODUCT SPECIFICA SPECIFICATIONS TIONS 2-1) INTRODUCTION OF MAIN FUNCTION 9 2-2) SPECIFICATIONS 11 SPECIFICATIONS 2-3) INTERIOR VIEWS 12 2-4) MODEL SPECIFICATION 13
Page 102. 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 fl
Page 112. PRODUCT SPECIFICATIONS Changing Items NO Item Details New Model Easy The freezer door is more user-friendly. user-friendly. 1 Handle So, it comes as much convenient. The dimension of the right-side drawer is 6:4 (H x W) with the shelf being 2 drawer raised. So, the right-side drawer can be pull
Page 12PRODUCT 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(5 Thermistor(502A 02AT) T) 50°F(10 )(off) Fan Electrical Rating AC115V 60Hz 11.6 Amps Maximum Current Leak
Page 13PRODUCT SPECIFICATIONS 2-3) Interior Views Refrigerator Light Auto Door Closer Ice-Maker Water Filter Foldable-Shelf Dairy Compartment Slide-Shelf Slide-Shelf Vertical Vertic al Hinged Section Door Bins Quick-Space Glass Shelf Vegetable Vegeta ble & Fruit Drawers TM Cool Select Pantry Light Pull Out
Page 14PRODUCT SPECIFICA SPECI FICATIONS TIONS 2-4) Model Specification SAMSUNG MAYTAG LG ITEM SP E C 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 Cooling F-Room 25
Page 15PRODUCT SPECIFICA SPECIF ICATIONS TIONS 2-5) Model Specification &Specificat & Specification ion Chart RFG297AA ITEM Model Ice & Water Dispenser with Pantry W 35 3/4 inch (908mm) On Cabinet 29 1/8 inch (740mm) D W/O Handle 32 7/8 inch (836mm) External size With Handle 35 3/4 inch (905mm) W/O Hinge C
Page 16PRODUCT SPECIFICA SPECI FICATIONS TIONS Items Specification Model RFG297AA Model BK190C-L2C r Compressor Starting type BLDC e z e Oil Charge FREOL - 15c e r F r Freezer SPLIT FIN TYPE o f Evaporator s t Refrigerator SPLIT FIN TYPE n e n Condenser Forced and Natural Convection Type o p m Dryer Molec
Page 17PRODUCT SPECIFICATIONS Items Specification Model REG297AA Defrost Heater(FRE) Heated at F Defrost AC 115V, 240W Defrost Heater(REF) Heated at R Defrost AC115V, 120W DISPENSER Heater Interlock with French Heater AC115V, 2W FRENCH Heater - AC115V, 8W ICE Duct Heater Interlock with Defrost Heater (FRE)
Page 18PRODUCT SPECIFICATIONS 2-6)Dimensions of Refrigerator (Inches) 35 3/4"(908mm) ) m m 0 4 7 ( " ) 8 / ) m 1 m m 9 m 4 2 4 1 ) 8 2 m 3 1 ( 1 " m ( 4 7 " / 8 2 / 3 ( " ) 1 7 8 / m 4 3 4 5 m 3 ) 5 7 m 4 ( m " 9 4 / 4 3 5 ( " 8 8 1 / 5 1 2 35 5/8"(905mm) 32 7/8"(836mm) 3/16"(5mm) 1.3"(34mm) ) m m 5 . 0 8
Page 19PRODUCT SPECIFICATIONS 2-7) Optional Material Specification Part Name Part Code AMOUNT FILTER DA29-00003B WATER-ASSY 1 ASSY-PACKING DA99-00240S SUB 1 INCANDESCENT LAMP 4713-001223 1 LED LAMP DA96-00329A 1 18
Page 20PRODUCT 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
Page 21PRODUCT SPECIFICATIONS 2-8-1. PRINCIPLE OF FREEZEER 20
Page 22PRODUCT 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 refr igerant discharged from compressor 2) Types A. Air-cooling
Page 23PRODUCT 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 r efrigerate the foods. 2. Theory: The low pressure
Page 24PRODUCT SPECIFICATIONS 2-8-4. Operation theory of refrigeration cycle components .Influence of moisture Moisture precipitation Blocked by ice Refrigerant and reaction Life reduction of oil Acceleration of oxidization Copper plating phenomenon Gas dissolution by the interaction of synt
Page 28DISASSEMBLY 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.
Page 29DISASSEMBLY AND REASSEMBLY 3-2) Refrigerator Door Part Name How To Do Descriptive Picture 1. With the door opened, remove the Top Table cap() with a Flat head screwdriver, and close the door. 2. Remove the 3 screws holding down the Top Table and remove the Top Table(). Refrigerator Door 3. Dis
Page 30DISASSEMBLY 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, remove the two screws () attatched to the lower left and right door hinges. With a wrench(10mm), remove the 2 flat head screws () att
Page 31DISASSEMBLY 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 Door Handle 3. Lift up the handle hand le to have the Slider Handle Fre() pu push shed ed Freezer back. 4. After having the Slider
Page 32DISASSEMBLY 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 & Water-Dispenser Part Name How To Do Descr
Page 33DISASSEMBLY 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. Assy. 4. Push the hook and remove the Micro Switch. 32
Page 34DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture hose 1. Assemb Assembly ly shall be in in order from from the disassembly. disassembly. Case-Ice and Route shall be assembled inside of hose. Otherwise, assemble cannot be accomplished. Water-Dispenser 2. When assembli assemblingng C
Page 35DISASSEMBLY AND REASSEMBLY 3-8) Foldable Glass Shelf Part Name How To Do Descriptive Picture Foldable Glass Remove 2 screws of the Folderble Shelf Glass Shelf 3-9) Vegetable & Fruit Drawers Shelf Part Name How To Do Descriptive Picture 1. Remove the vegetable & fruit drawer by pulling the roller par
Page 36DISASSEMBLY 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 Cover of the cover while
Page 37DISASSEMBLY 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. 1. Remove 2 screws of the Water Tank cover. 2
Page 38DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture One Water Tube is located in the machine compartment of the refrigerator.. Before disassembling refrigerator the Water Tube, take out the compressor cover. 5. Remove the water valve fixed by the screw. 6. Disconnect the water tube by
Page 39DISASSEMBLY 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. (Refer to the pictu
Page 40DISASSEMBLY 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 2. Turn the water filter counterclockwise until central horizo
Page 41DISASSEMBLY 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. 4. Rem
Page 42DISASSEMBLY 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. sc rews. 3. Remove the the lower part of Evaporator Cover angle mid by pulling it out and In Re
Page 43DISASSEMBLY 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. (Refer to the picture) Evaporato
Page 44DISASSEMBLY AND REASSEMBLY 3-19) Freezer Door Part Name How To Do Descriptive Picture 1. Pull the drawer open to full extension. 2. Remove the tilting Pocket() by pulling the both brackets() upward at the same time. 3. Take out the lower basket( ) by Freezer lifting the basket up from rail Do
Page 45DISASSEMBLY 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. 44
Page 46DISASSEMBLY AND REASSEMBLY 3-21) Ice-Maker Part Name How To Do Descriptive Picture lever 1. Pull the lever forward 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. 4. Disengage the 2 housing conn
Page 47DISASSEMBLY AND REASSEMBLY 3-22) Freezer Light Part Name How To Do Descriptive Picture 1. Remove the light by pulling the Freezer Light light cover down while pushing the rear plane of light cover. 3-23) Door Switch In Freezer Part Name How To Do Descriptive Picture 1. Remove the freezer drawer bin
Page 48DISASSEMBLY 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 In 2. Lift up the evaporator cover. Freezer 3. Disengage the 3 housing connector
Page 49DISASSEMBLY 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. 4. Remove the sc
Page 50DISASSEMBLY 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. Remove the hook part of the ho
Page 51DISASSEMBLY 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. (Refer to the picture) 5. Disengage the housi
Page 52DISASSEMBLY 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. 4. Unscrew 2 PC
Page 534. 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.
Page 54TROUBLESHOOTING 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 55TROUBLESHOOTING 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 defro
Page 56TROUBLESHOOTING 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
Page 57TROUBLESHOOTING Self-diagnosis CHECK LIST NO Trouble item Display LED Trouble contents 1 Ice Maker Sensor Error R-1- Sensor system in ICE MAKER errors 2 R-Sensor Error R-1- Sensor system in FF compartment errors 3 R-DEF-Sensor Error R-1- Defrost Sensor system in FF compartment errors 4 R-FAN Er
Page 58TROUBLESHOOTING Self-diagnostics check list LED LE D Item Trouble contents Diagnostic method The voltage of MAIN PCB CN90 #3CN90#4 : R-1- Ice Maker Sensor Error Display error : separation of sensor housing shall be between 4.5V~1.0V. part, contact error, disconnection, short circuit The voltage
Page 59TROUBLESHOOTING 4-1-4. Display function of Load condition If Energy Saver Key + Lighting key are pressed simultaneously for 6 seconds, ALL ON/OFF will blink with 0.5interval for 2 seconds. If take the finger off from above keys and press Fridge, load condition mode will be started. 1) If P
Page 60TROUBLESHOOTING 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 defros
Page 61TROUBLESHOOTING 4-1-6. Option setting function If Freezer Key+ lighting Key are pressed simultaneously for 12 seconds seconds during normal operation, fresh fresh food and freezer compartments temperature display will be changed to option setting mode. KEY operation method for changing to option m
Page 62TROUBLESHOOTING 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 tem
Page 63TROUBLESHOOTING 4-1-7. Option TABLE 1) Temperature changing table of freezer compartment Set item Freezer Temp Shift MODEL RFG29***** Reference Fridge Room 7-SEG Value 0 Setting value Temp. FZ compartment compensation Code 0 0(0.0) 1 -1(-0.5) 2 -2(-1.0) 3 -3(-1.5) 4 -4(-2.0) 5 -5(-2.5) 6
Page 64TROUBLESHOOTING 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 -50 -58 4.694 1
Page 65TROUBLESHOOTING 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. - The appliance will not stop
Page 66TROUBLESHOOTING 2) If R Sensor has trouble ERROR Code Start DATA1. Is MAIN PCB NO Connector CN30 and CN76 inserted Temperaturetable correctly? ** Measuring point of resistance value according to YES Bad contact of connector/ insert correctly Sensor ** Is R Sensor NO R : CN30#6 CN76#1 measuring res
Page 67TROUBLESHOOTING 3) If R DEF Sensor has trouble ERROR Code Start DATA1. Is MAIN PCB NO Connector CN30 and CN76 inserted Temperaturetable correctly? ** Measuring point of resistance value according to YES Bad contact of connector/ insert correctly Sensor ** R-DEF : CN30#8 CN76#1 measuring Is R DEF S
Page 68TROUBLESHOOTING 4) If Ambient Sensor has trouble ERROR Code Start DATA1. Is MAIN PCB NO Connector CN31 inserted Temperaturetable correctly? ** Measuring point of resistance value according to YES Bad contact of connector/ insert correctly Sensor ** Ambient : CN31#1 #4 measuring resistance value Is
Page 69TROUBLESHOOTING 5) If F Sensor has trouble ERROR Code Start DATA1. Are MAIN PCB NO Connector CN30 and CN76 Temperaturetable inserted correctly? YES Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** NO F : CN30#3 CN76#1 measuring resistance val
Page 70TROUBLESHOOTING 6) If F DEF Sensor has trouble ERROR Code Start DATA1. Are MAIN PCB NO Connector CN30 and Temperaturetable CN76 insert correctly? ** Measuring point of resistance value according to YES Bad contact of connector/ insert correctly Sensor ** F-DEF : CN30#4 CN76#1 measuring resistance
Page 71TROUBLESHOOTING 7) If Ice Room Sensor has trouble ERROR Code Start DATA1. Is MAIN PCB NO Connector CN31 and CN76 inserted Temperaturetable correctly? ** Measuring point of resistance value according to YES Bad contact of connector/ insert correctly Sensor ** Ambient : CN32#3 CN76#1 Measure the res
Page 72TROUBLESHOOTING 8) If Pantry Sensor has trouble ERROR Code Start DATA1. Is MAIN PCB NO Connector CN30 and CN76 insert Temperaturetable correctly? YES Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** NO Pantry : CN30#9 CN76 #1 measuring resist
Page 73TROUBLESHOOTING 9) If Pantry Room Damper Heater has trouble ERROR Code Start Measure the resistance NO between - after Is Damper Heater normal?(about145ohm) CN91 connector open 145ohm 7% YES Replace Damper Is MAIN PCB connector NO (CN91) inserted correctly? YES Bad contact of connector/ insert c
Page 74TROUBLESHOOTING 10) If Tank Water Heater has trouble ERROR Code Start Is MAIN PCB connector NO (CN79) inserted correctly? YES Bad contact of connector/ insert correctly Measure the resistance NO between - after Is Tank Water Heater normal?(about72ohm) CN79 connector open 72ohm 7% YES
Page 75TROUBLESHOOTING 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 afte
Page 76TROUBLESHOOTING 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. - When
Page 77TROUBLESHOOTING 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
Page 78TROUBLESHOOTING 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 val
Page 79TROUBLESHOOTING 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 over DC 170V are occurred.Please Start take care of yourself during repair and measurement. Is the p
Page 80TROUBLESHOOTING 4-2-7. If compressor does not operate Start No Did 5 mins pass after Compressor OFF ? Yess Ye Check after 5 minutes Yess Ye Refer to test function Does compressor work in the manual with manual operation? Did buzzer of manual operation sound? Yess Ye No No (Check certainly after manu
Page 81TROUBLESHOOTING 4-2-8. When alarm sounds continuously without stop(related with buzzer sound) 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 doo
Page 82TROUBLESHOOTING 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 i s started and door is opened, it should separate panel PCB and check the breakage of buzzer and bad soldering. It is very h
Page 83TROUBLESHOOTING 4-2-9. If Panel PCB does not work normally 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 s
Page 84TROUBLESHOOTING 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 swi
Page 85TROUBLESHOOTING 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. Bimetal is installed in i n the refrigerat
Page 86TROUBLESHOOTING 1) LED LAMP When controlling the regrigerator light with 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. paral
Page 87TROUBLESHOOTING 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 Norm
Page 88TROUBLESHOOTING 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 ch
Page 89TROUBLESHOOTING 4-2-14. If Cubed or Crushed Ice is not supplied Start Freezer door shall be closed during operation. No Are Ices ejected? Yess Ye No Are Ices in the Ice bucket? Is “Ice Off” mode No Check the Ice making switch selected on the display Check the DOOR Switch panel? Check the Ice m
Page 90TROUBLESHOOTING 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. Motor will r
Page 91TROUBLESHOOTING 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 alway
Page 92TROUBLESHOOTING 4-2-17. If Inverter PCB Power is not supplied 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. measure. Is
Page 93TROUBLESHOOTING 4-2-18. If compressor does not operate Start Did 5 mins pass after No Compressor Off? Yess Ye Check after 5 minutes Refer to test function in Yess Ye Does compressor work with the manual manual operation? No Did buzzer of manual operation sound? No (Check certainly after manual opera
Page 94TROUBLESHOOTING 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
Page 95TROUBLESHOOTING SPM Internal DIODE Voltage 94
Page 96TROUBLESHOOTING 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. Location sensing resistance area : It s
Page 98TROUBLESHOOTING 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 ove
Page 99TROUBLESHOOTING 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 30
Page 100TROUBLESHOOTING 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. 99
Page 101TROUBLESHOOTING 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. 100
Page 102TROUBLESHOOTING 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. 101
Page 103TROUBLESHOOTING 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" ju
Page 1045. PCB DIAGRAM 5-1) PCB LAYOUT WITH PART POSITION 104 5-2) PCB LAYOUT WITH PART POSITION (SMPS BOARD) 105 5-3) CONNECTOR LAYOUT LAYOUT WITH PART POSITION BOARD) 106 POSITION (MAIN BOARD) 5-4) CONNECTOR LAYOUT WITH PART POSITION (SMPS BOARD)
Page 105PCB DIAGRAM 5-1) PCB Layout 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. EEPROM : Save and record every kind
Page 106PCB 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. Location detecting resistance area : It detect
Page 107PCB DIAGRAM 5-3) Connector Layout with part position (Main Board) Board) 5-3-1. RFG29*AA** 106
Page 108PCB DIAGRAM 5-4) Connector Layout with part position (SMPS Board) 5-4-1. RFG29*AA** 107
Page 1177. SCHEMATIC DIAGRAM 7-1) Whole block diagram 7-1-5. MODEL : RFG29*AA**[AW2]) E D O R N M O l O N T a I C n T O I E g i P T T S O C E l E D a T n r M E N O e l r l t O D I T a e a n I C N A n w n i o g g i M I O I C O S P S O C R M T A L C C C I O C A D D M T O L A N L O L I I C T P S O O L E D O M
Page 118SCHEMATIC DIAGRAM 7-2) CIRCUIT DIAGRAM 7-2-1. Main 117
Page 121272, Oseon-Dong, Gwangsan-Gu, Gwangju-City, Korea, 506-253 TEL : 82-62- 82-62-950-6 950-6193, 193, 6896 FAX : 82-62- 82-62-950 950-68 -6829 29 - This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable International or domesti