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Samsung RF266AARS Service Manual
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Samsung RF266AARS Service Manual

Samsung RF266AARS Service Manual

Bottom mount freezer
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REFRIGERATOR
RF265/266/26NB
For the latest parts information, Please access to our service web site
(
North America : http://service.samsungportal.com
Asia : http://asia.samsungportal.com)
REFRIGERATOR
BOTTOM MOUNT FREEZER
BASIC : RF265AA, RF266AA
MODEL NAME : RF265AARS
RF265AABP
RF265AAWP
RF265AASH
MODEL CODE : RF265AARS/XAA
RF265AABP/XAA
RF265AAWP/XAA
RF265AASH/XAA
CONTENTS
1. PRECAUTIONS(SAFETY WARNINGS)
2. PRODUCT SPECIFICATIONS
3. DISASSEMBLY AND REASSEMBLY
4. TROUBLESHOOTING
5 . EXPLODED VIEW & PARTS LIST
6. PCB DIAGRAM
7. WIRING DIAGRAM
8. SCHEMATIC DIAGRAM
Europe : http://europe.samsungportal.com
RF266AARS
RF26NBRS1
RF266AABP
RF26NBBP1
RF266AAWP
RF26NBSH1
RF266AASH
RF266AARS/XAA
RF26NBRS1/SML
RF266AABP/XAA
RF26NBBP1/SML
RF266AAWP/XAA
RF26NBSH1/SML
RF266AASH/XAA
RF26NBRS1/XSA
RF26NBUS1/SML
19
39
72
110
116
118
4
7

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Summary of Contents for Samsung RF266AARS

  • Page 1 REFRIGERATOR BOTTOM MOUNT FREEZER BASIC : RF265AA, RF266AA MODEL NAME : RF265AARS RF266AARS RF26NBRS1 RF265AABP RF266AABP RF26NBBP1 RF265AAWP RF266AAWP RF26NBSH1 RF265AASH RF266AASH MODEL CODE : RF265AARS/XAA RF266AARS/XAA RF26NBRS1/SML RF265AABP/XAA RF266AABP/XAA RF26NBBP1/SML RF265AAWP/XAA RF266AAWP/XAA RF26NBSH1/SML RF265AASH/XAA RF266AASH/XAA RF26NBRS1/XSA RF26NBUS1/SML REFRIGERATOR CONTENTS 1.
  • Page 3 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 4 Contents 1. PRECAUTIONS(SAFETY WARNINGS) 2. PRODUCT SPECIFICATIONS 3. DISASSEMBLY AND REASSEMBLY 4. TROUBLESHOOTING 5 . EXPLODED VIEW & PARTS LIST RF265/266/26NB 6. PCB LAYOUT WITH PART POSITION 7. WIRING DIAGRAM SCHEMATIC 8. CIRCUIT PLAN...
  • Page 5 1. PRECAUTIONS(SAFETY WARNINGS) ● Pull the power plug out before for the change or repair of 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. CAUTION/WARNING SYMBOLS DISPLAYED SYMBOLS means “Prohibition”. Indicates that a danger of death Warning means “Do not disassemble”. or serious injury exists.
  • 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 2. PRODUCT SPECIFICATIONS 2-1) Introduction of main function 2-2) Specifications 2-3) Interior Views 2-4) Model Specification &Comparison Chart 2-5) Model Specification &Specification Chart 2-6) Dimensions of Refrigerator (Inches) 2-7) Optional Material Specification 2-8) Refrigerant Route in Refrigeration cycle 2-9) Cooling Air Circulation...
  • Page 9 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...
  • Page 10 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/220V~240V 50Hz Maximum Current Leakage 0.25 mA (Air inlet) (Air inlet) (Air inlet) (Air inlet) Maximum Ground Path Resistance...
  • Page 11 PRODUCT SPECIFICATIONS 2-3) Interior Views Refrigerator Digital Sensor Control Auto Door Closer Light Daily Compartment Water Filter Egg Container Door Bin Spill Proof Glass Shelf Internal Water Vertical Hinged Dispenser(RF266AA) Section Gallon Door Bin Vegetable & Fruit Drawers Cool Select Pantry Light Ice Maker Ice Bin...
  • Page 12 PRODUCT SPECIFICATIONS 2-4) Model Specification &Comparison Chart SAMSUNG MAYTAG ITEM SPEC RF266AA/RF26NB 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 Cooling 175.4 R-Room 172.8...
  • Page 13 PRODUCT SPECIFICATIONS 2-5) Model Specification &Specification Chart RF265 RF266 RF26NB ITEM Model Pantry Int W/D with Pantry No Dispenser 35.7 inch (908mm) 29.1 inch (704mm) On Cabinet 32.9 inch (836mm) W/O Handle External size 35.6 inch (905mm) With Handle 68.6 inch (1744mm) W/O Hinge Cap 69.8 Inch (1778mm) With Hinge Cap...
  • Page 14 PRODUCT SPECIFICATIONS 2-5) Model Specification &Specification Chart Items Specification Model RF265 RF266 RF26NB Model MK172D-R2U / MK190QL2U Starting type R.S.C.R Compressor Oil Charge FREOL - 10 Freezer SPLIT FIN TYPE Evaporator Refrigerator SPLIT FIN TYPE Condenser Forced and natural convection type Dryer Molecular sieve XH-9 Capillary tube(Dia x Length)
  • Page 15 PRODUCT SPECIFICATIONS Items Specification Model RF265 RF266 RF26NB Defrost Heater(FRE) Conducting af F Defrost AC 115V, 240W / AC 230V, 240W Defrost Heater(REF) Conducting at R Defrost AC 115V, 120W / AC 230V, 120W DISPENSER Heater Interlock with F-FAN AC 115V, 10W / AC 230V, 3W FRENCH Heater AC 115V, 10W / AC 230V, 10W AC125V 10A / AC250V 3A Off: 140 (60 ) / On : 104 (40 )
  • Page 16 PRODUCT SPECIFICATIONS 2-6)Dimensions of Refrigerator (Inches) 35.7"(908mm) 35.6"(905mm) 32.9"(836mm) 1.3"(34mm)
  • Page 17 PRODUCT SPECIFICATIONS 2-7) Optional Material Specification RF265AA Photographe Part Name Part Code AMOUNT FILTER DA29-00003B WATER-ASSY ASSY-PACKING DA99-00240G LAMP INCANDENT 4713-001223 RF26NB Photographe Part Name Part Code AMOUNT DA97-01469W ASSY-INSTALL FILTER PIPE-CONECT WATER DA62-01329A PACKING 4713-001232(REF) : 60W LAMP INCANDENT 4713-001201(FRE) : 40W...
  • Page 18 PRODUCT SPECIFICATIONS 2-8) Refrigerant Route in Refrigeration cycle Compressor → Sub-condenser → Hot Pipe → Dryer → Capillary Tube → Refrigerator Evaporator → Freezer Evaporator→ Suction Pipe → Compressor Refrigerator Evaporator Hot Pipe Suction Pipe Capillary Tube Freezer Evaporator Accumulator Compressor Muffler Sub Condenser...
  • Page 19 PRODUCT SPECIFICATIONS 2-9) Cooling Air Circulation Refrigerator Freezer...
  • Page 20 3. DISASSEMBLY AND REASSEMBLY 3-1) Refrigerator Door 3-2) Door Switch In Refrigerator 3-3) Door Gasket 3-4) Door Handle 3-5) Refrigerator Light 3-6) Internal Water Dispenser 3-7) Spill Proof Glass Shelf 3-8) Vegetable & Fruit Drawers 3-9) Cool Select Pantry 3-10) Motor Damper 3-11) Water Filter 3-12) Gallon Door Bin 3-13) Vertical Hinged Section...
  • Page 21 DISASSEMBLY AND REASSEMBLY 3-1) Refrigerator Door Part Name How To Do Descriptive Picture 1. Remove the cap-top table with using a flat-blade(-) screwdriver. 2. Remove 3 screws of the top- table. Refrigerator Door 3. Remove the 3 housing-connect screws of TOP-TABLE. (Refer to the picture) 4.
  • Page 22 DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture 5. Remove the earth-screw of upper hinge. 6. Remove 3 bolt screws of hinge. Refrigerator Caution : Avoid damage or separation of the door Door when removing the bolt. 7. Remove the door by lifting it straight up.
  • Page 23 DISASSEMBLY AND REASSEMBLY 3-2) Door Switch In Refrigerator Part Name How To Do Descriptive Picture 1. Remove the magnet switch with Door Switch using a flat-blade(-) screwdriver. In Refrigerator (Refer to the picture) 3-3) Door Gasket Part Name How To Do Descriptive Picture 1.
  • Page 24 DISASSEMBLY AND REASSEMBLY 3-5) Refrigerator Light Part Name How To Do Descriptive Picture 1. Remove the light cover by pulling it down with pushing the rear of light cover. Refrigerator Light 2. Remove the lamp by turning it counterclockwise. 3-6) Internal Water Dispenser Part Name How To Do Descriptive Picture...
  • Page 25 DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture 1. Remove the micro switch with using flat- blade(-) screwdriver. (Refer to the picture) Micro Switch 2. Disengage the Housing Connect. (Refer to the picture) 3-7) Spill Proof Glass Shelf Part Name How To Do Descriptive Picture...
  • Page 26 DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture 1. Remove the vegetable & fruit Vegetable & Fruit drawers shelf by pulling it out. Drawers Shelf (Refer to the picture) 3-9) Cool Select Pantry Part Name How To Do Descriptive Picture 1.
  • Page 27 DISASSEMBLY AND REASSEMBLY 3-10) 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 1. Disengage 2 housing connects of the rear motor damper.
  • Page 28 DISASSEMBLY AND REASSEMBLY 3-11) 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.
  • Page 29 DISASSEMBLY AND REASSEMBLY 3-13) Vertical Hinged Section Part Name How To Do Descriptive Picture 1. Remove 2 screw cap parts with using flat-blade(-) screwdriver. (Refer to the picture) 2. Unscrew 2 screws. Vertical Hinged Section 3. Disengage the internal housing connect of vertical hinge.
  • Page 30 DISASSEMBLY AND REASSEMBLY 3-14) Evaporator Cover In Refrigerator Part Name How To Do Descriptive Picture 1. Remove the angle cap with using 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 31 DISASSEMBLY AND REASSEMBLY 3-15) 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 connect part.
  • Page 32 DISASSEMBLY AND REASSEMBLY 3-16) Freezer Door Part Name How To Do Descriptive Picture 1. Open the freezer door. Remove the tilting pocket by pushing it to the left. (Refer to the picture) 2. Remove the 2 support tilting pockets with temporary force. (Refer to the picture) 3.
  • Page 33 DISASSEMBLY AND REASSEMBLY 3-17) Pull Out Drawer Part Name How To Do Descriptive Picture 1. Slide the drawer out as much as possible. 2. Insert a flat screw driver(-) into Pull Out Drawer the gap and then push it up to diassemble.
  • Page 34 DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture 3. Remove the ice maker by pulling it out. Ice Maker 4. Disconnect the housing connector part. 3-19) Freezer Light Part Name How To Do Descriptive Picture 1. Remove the light by pulling the light cover down with pushing Freezer Light the rear plane of light cover.
  • Page 35 DISASSEMBLY AND REASSEMBLY 3-21) Evaporator Cover In Freezer Part Name How To Do Descriptive Picture 1. Remove the freezer door, freezer drawer bin, pull out drawer, ice maker and then unscrew 2 screws. Evaporator Cover 2. Remove the evaporator cover by pulling the bottom part of it out.
  • Page 36 DISASSEMBLY AND REASSEMBLY 3-23) Machine Compartment Part Name How To Do Descriptive Picture 1. Unscrew 8 screws of cover comp. 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 37 DISASSEMBLY AND REASSEMBLY Part Name How To Do Descriptive Picture 1. Disengage the housing connector. Relay PTC & O/L 2. Remove the relay PTC with using a flat-blade screwdriver. (Refer to the picture) 1. Unscrew the water valve fixed in the screw part.
  • Page 38 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 with using a flat- blade(-) screwdriver.
  • Page 39 DISASSEMBLY AND REASSEMBLY 3-24) Electric Box Part Name How To Do Descriptive Picture 1. Pull the refrigerator forward for having enough space to work at the rear side of the appliance. 2. Unscrew 2 PCB cover fixed screws. 3. Disengage all housing PBA Main connectors connected with main PCB.
  • Page 40 4. TROUBLESHOOTING 4-1. Function for failure diagnosis 4-1-1) TEST MODE 4-1-2) DISPLAY FUNCTION OF COMMUNICATION ERROR 4-1-3) SELF-DIAGNOSTIC FUNCTION 4-1-4) DISPLAY FUNCTION OF LOAD CONDITION 4-1-5) EXHIBITION MODE SETTING FUNCTION 4-1-6) OPTION SETTING FUNCTION 4-1-7) Option TABLE 4-2. Diagnostic method according to the trouble symptom 4-2-1) IF THE TROUBLE IS DETECTED BY SELF-DIAGNOSIS 4-2-2) IF FAN DOES NOT OPERATE 4-2-3) IF ICE MAKER DOES NOT OPERATE...
  • Page 41 TROUBLESHOOTING 4-1) Function for failure diagnosis 4-1-1. Test mode (manual operation / manual defrost function) ● If Power Freeze & Fridge temperature control 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 42 TROUBLESHOOTING 2) Manual defrost(fresh food compartment) function 2-1) If any key is pressed one more time during manual operation(fresh food compartment), "rd" shows in the display and then manual operation will be canceled at once and fresh food compartment will be defrosted. 2-2) At this moment, alarm beeps for 3 seconds(0.1 sec ON/ 1 sec OFF) during manual defrost(fresh food compartment) function.
  • Page 43 TROUBLESHOOTING 2) Display function when MAIN LOAD MICOM communication has error 2-1) If there is no answer for 20 seconds after the main micon received the requirement of communication from load MICOM, "Lc - Er" display on the panel PCB will be ON/OFF alternately until the communication error is canceled.
  • Page 44 TROUBLESHOOTING 2-1) If Power Freeze + Power Cool Key are pressed simultaneously for 6 seconds during normal operation, the temperature setting display will operate for 2 seconds (ON/OFF 0.5sec each). If Power Freeze + Power Cool Key are pressed simultaneously for 8 seconds (including above 2 seconds), self-diagnostic function will be selected.
  • Page 45 TROUBLESHOOTING Self-diagnostics check list Trouble contents Diagnostic method Item When checking the voltage of MAIN PCB CN90 R-1- Ice Maker Sensor Error Display error : separation of sensor housing #3 CN90#4 : shall be between 4.5V~1.0V. part, contact error, disconnection, short When checking the voltage of MAIN PCB circuit R-1-...
  • Page 46 TROUBLESHOOTING 4-1-4. Display function of Load condition -2℉(-19℃)is Recommended 38℉(3℃)is Recommended ① ② ① If Power Freeze Key + Power Cool 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 Key, load condition mode will be started.
  • Page 47 TROUBLESHOOTING 4-1-5. Exhibition mode setting function -2℉(-19℃)is Recommended 38℉(3℃)is Recommended ① ① If Power Freeze Key + Freezer Key are pressed for 3 seconds, show room mode will be started. 1) If Power Freeze Key + Freezer Key are pressed simultaneously for 3 seconds during normal operation, show room mode will be started with buzzer sound(ding-dong).
  • Page 48 TROUBLESHOOTING KEY control method after converting to option mode Code Reference Down Value Down ① ① -2℉(-19℃)is Recommended 38℉(3℃)is Recommended Code Reference Code Value Up Reference Value Key control in option mode Power Freeze Key Code Down key Freezer Key Code Up key Power Cool key Reference Value down key...
  • Page 49 TROUBLESHOOTING 2) After changing to the option mode, fresh food compartment "0" , freezer compartment "0" will be displayed. ( Basically fresh food compartment "0", freezer "0" would be set at shipping process, but setting value could be changed for the purpose of improving product at mass producing process.) - If fresh food compartment "0"...
  • Page 50 TROUBLESHOOTING 4-1-7. Option TABLE 1) Temperature changing table of freezer compartment Set item Freezer Temp Shift MODEL RF265/266/RF26NB Fridge Room 7-SEG Reference Value Setting value Temp. compensation compartment Code 32 (0.0°C) 31.1 (-0.5°C) 30.2 (-1.0°C) 29.3 (-1.5°C) 28.4 (-2.0°C) 27.5 (-2.5°C) 26.6 (-3.0°C) 25.7 (-3.5°C) Code...
  • Page 51 TROUBLESHOOTING ■Below options are applied to the applicable model with ice maker. Do not set below options to the model without Ice Maker. 3) To change the ice maker harvest waiting time This option controls the harvest waiting time for ice dispensing from Ice maker Set item ICE MAKER waiting time of ice making Fridge Room 7-SEG...
  • Page 52 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 53 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 54 TROUBLESHOOTING 2) If R Sensor has trouble ERROR Code Start Is MAIN PCB DATA1. Connector CN30 to CN75 inserted Temperature table correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** Is R Sensor R : CN30#6 CN75#1 measuring resistance value unit normal?
  • Page 55 TROUBLESHOOTING 3) If R DEF Sensor has trouble ERROR Code Start Start Is MAIN PCB DATA1. Connector CN30 to CN75 inserted Temperature table correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** R-DEF : CN30#7 CN75#1 measuring Is R DEF Sensor...
  • Page 56 TROUBLESHOOTING 4) If Ambient Sensor has trouble ERROR Code Start Start Is MAIN PCB DATA1. Connector CN32 inserted Temperature table correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** Ambient : CN32#1 #4 measuring resistance value Is Ambient Sensor ** Placed in the right top table of upper hinge.
  • Page 57 TROUBLESHOOTING 5) If F Sensor has trouble ERROR Code Start Start Are MAIN PCB DATA1. Connector CN30 to CN75 Temperature table inserted correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** Is F Sensor F : CN30#3 CN75#1 measuring resistance value ** 0 : Short trouble /...
  • Page 58 TROUBLESHOOTING 6) If F DEF Sensor has trouble ERROR Code Start Start Are MAIN PCB DATA1. Connector CN30 to Temperature table CN75 insert correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** F-DEF : CN30#4 CN75#1 measuring resistance Is F DEF Sensor...
  • Page 59 TROUBLESHOOTING 7) If Pantry Sensor has trouble ERROR Code Start Start Is MAIN PCB DATA1. Connector CN30 insert Temperature table correctly? Bad contact of connector/ insert correctly ** Measuring point of resistance value according to Sensor ** Is Pantry Sensor Pantry : CN30#8 #9 measuring resistance value ** 0 : Short trouble / : Open trouble...
  • Page 60 TROUBLESHOOTING 8) If Pantry Room Damper Heater has trouble ERROR Code Start Start Measure the resistance Is Damper Heater between - after normal?(about145ohm) CN90 connector open 145ohm Replace Damper Is MAIN PCB connector (CN91) inserted correctly? Bad contact of connector/ insert correctly Initial Damper Damper...
  • Page 61 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 62 TROUBLESHOOTING 4-2-3. If ICE MAKER does not operate 1. Water is automatically supplied to the Ice maker by temperature & time and ice maker dispenses cubed or crushed ice. 2. Power is applied to one of its wires. So, refer to its exploded diagram when disassembling. 3.
  • Page 63 TROUBLESHOOTING 4-2-4. If defrost does not operate (F,R DEF Heater) - If defrost has trouble, select the self-diagnostic function to detect the error of defrost heater before Power Off. (Check the function with refer to the self-diagnostic function) R DEF ERROR F DEF ERROR **Measuring point of resistance value according to heater** F-DEF : CN70#9(Brown)
  • Page 64 TROUBLESHOOTING 4-2-5. If Power is not supplied Caution - Refer to function and At the power of main PCB, the reference parts in the manual AC115(220)V power and a high- when check the MAIN PCB Start voltage over DC 170(325)V are occurred.
  • Page 65 TROUBLESHOOTING 4-2-6. If compressor does not operate Start Did 5 mins pass after COMP OFF ? Check after 5 minutes Refer to test function Does compressor work in the manual with manual operation? Did buzzer of manual operation sound? Is freezer sensor (Check certainly after manual operation) normal? Is IC02 MICOM #8...
  • Page 66 TROUBLESHOOTING 4-2-7. When alarm sound continuous 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 door switch? Replace Door S/W Door &...
  • Page 67 TROUBLESHOOTING If buzzer does not sound Buzzer is installed on the panel PCB in this model. If buzzer does not sound when button is pressed, manual operation is started and door is opened, 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 68 TROUBLESHOOTING 4-2-8. 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 recommend to replace PCB MAIN after checking except specified solder touch.
  • Page 69 TROUBLESHOOTING 4-2-9. 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 70 TROUBLESHOOTING 4-2-10. 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 71 TROUBLESHOOTING 4-2-11. If ICE Water is not supplied typical PCB Ground CN1#3(Black) Start Is the confirming sound of Normal(Check Ice the valve operation heard when water valve hose) Ice maker test switch pushed? Checking method of voltage Based on PCB typical Ground CN1#3(Black) 1) Check the voltage of IC73#4(same voltage as IC02 #12) - ICE Water valve operating (about 5V 0.5V)
  • Page 72 TROUBLESHOOTING 4-2-12. If Water is not supplied Start Checking method of Valve resistance (Must power off for checking) Resistance can be changed by input voltage. Is the confirming sound of CN70#1 (Red) CN73#5 (White-black) Normal(Check Ice the valve operation heard - resistance value ;...
  • Page 73 5 . EXPLODED VIEW& PARTS LIST RF265/266 5-1) Freezer 5-2) Refrigerator 5-3) Cabinet 5-4) Disassembly of Freeze Door 5-5) Disassembly of Refrigerator Door Left 5-6) Disassembly of Refrigerator Door Right...
  • Page 74 EXPLODED VIEW& PARTS LIST 5-1) Freezer 12-4 12-2 10-1 10-2 12-3 12-1 15-3 15-1 15-2 10-4 10-3 21-1 21-12 21-10 21-6 21-7 21-3 21-4 21-8 21-11 21-14 20-3 21-9 21-2 21-5 21-13 20-2 20-1...
  • Page 75 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Freezer Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 76 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Freezer Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 77 EXPLODED VIEW& PARTS LIST 5-2) Refrigerator 10-1 10-3 10-2 10-4 3-16 3-14 3-15 3-19 3-12 3-13 3-10 3-17 11-3 12-1 3-20 3-18 11-2 11-5 12-2 3-11 11-1 11-6 11-7 11-8 13-2 13-1 11-4 14-3 14-4 15-1 14-1 15-2 14-2 15-3 23-2 19-3 23-4...
  • Page 78 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 79 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 80 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 81 EXPLODED VIEW& PARTS LIST 5-3) Cabinet 29-2 29-1 28-3 28-2 28-1 18-2 18-1 18-3 14-6 14-5 14-4 14-5-7 14-5-1 14-5-3 14-5-5 14-1 14-5-4 15-1 15-2 14-5-6 14-3 11-2 14-5-2 11-1 14-2 13-3 13-1 13-2...
  • Page 82 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Cabinet Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 83 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Cabinet Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 84 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Cabinet Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 85 EXPLODED VIEW& PARTS LIST 5-4) Disassembly of Freeze Door 10-2 10-1...
  • Page 86 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Freezer Door Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 87 EXPLODED VIEW& PARTS LIST 5-5) Disassembly of Refrigerator DoorLeft 9-12 9-11 9-10...
  • Page 88 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Door-Left Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 89 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Door-Left Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 90 EXPLODED VIEW& PARTS LIST 5-6) Disassembly of Refrigerator Door Right...
  • Page 91 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Door-Right Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 92 5 . EXPLODED VIEW& PARTS LIST RF26NB 5-1) Freezer 5-2) Refrigerator 5-3) Cabinet 5-4) Disassembly of Freeze Door 5-5) Disassembly of Refrigerator Door Left 5-6) Disassembly of Refrigerator Door Right...
  • Page 93 EXPLODED VIEW& PARTS LIST 5-1) Freezer 12-4 12-2 10-1 10-2 12-3 12-1 15-3 15-1 15-2 10-4 10-3 21-1 21-12 21-10 21-6 21-7 21-3 21-4 21-8 21-11 21-14 20-3 21-9 21-2 21-5 21-13 20-2 20-1...
  • Page 94 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Freezer Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K T T I I T T Y Y...
  • Page 95 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Freezer Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K T T I I T T Y Y...
  • Page 96 EXPLODED VIEW& PARTS LIST 5-2) Refrigerator 10-1 10-3 10-2 10-4 3-16 3-14 3-15 3-19 3-12 3-13 3-10 3-17 11-3 12-1 3-20 3-18 11-2 11-5 12-2 3-11 11-1 11-6 11-7 11-8 13-2 13-1 11-4 14-3 14-4 15-1 14-1 15-2 14-2 15-3 23-2 19-3 23-4...
  • Page 97 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K T T I I T T Y Y...
  • Page 98 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K T T I I T T Y Y...
  • Page 99 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K T T I I T T Y Y...
  • Page 100 EXPLODED VIEW& PARTS LIST 5-3) Cabinet 29-2 29-1 28-3 28-2 28-1 18-2 18-1 18-3 14-6 14-5 14-4 14-5-7 14-5-1 14-5-3 14-5-5 14-1 14-5-4 15-1 15-2 14-5-6 14-3 11-2 14-5-2 11-1 14-2 13-3 13-1 13-2...
  • Page 101 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Cabinet Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K T T I I T T Y Y...
  • Page 102 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Cabinet Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K T T I I T T Y Y...
  • Page 103 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Cabinet Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K T T I I T T Y Y...
  • Page 104 EXPLODED VIEW& PARTS LIST 5-4) Disassembly of Freeze Door 10-2 10-1...
  • Page 105 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Freezer Door Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 106 EXPLODED VIEW& PARTS LIST 5-5) Disassembly of Refrigerator DoorLeft 9-12 9-11 9-10...
  • Page 107 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Door-Left Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 108 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Door-Left Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 109 EXPLODED VIEW& PARTS LIST 5-6) Disassembly of Refrigerator Door Right...
  • Page 110 EXPLODED VIEW& PARTS LIST ■ ■ Parts List of Refrigerator Door-Right Q Q U U A A N N N N O O C C O O D D E E - - N N O O P P A A R R T T N N A A M M E E S S P P E E C C S S V V C C - - C C O O D D E E R R E E M M A A R R K K...
  • Page 111 6. PCB Layout with part position 6-1) PCB Layout with part position 6-2) PCB Layout with part position (SMPS Board) 6-3) Connector Layout with part position (Main Board) 6-4) Connector Layout with part position (SMPS oard)
  • Page 112 PCB Layout with part position 6-1) PCB Layout with part position 1. DC12V,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 113 PCB Layout with part position 6-2) PCB Layout with part position (SMPS Board) ① ① ② ② Switching mode power supply Circuit : change the AC voltage to DC voltage that needs for controlling the appliance. 1. BLOCK : Rectify the inputted AC voltage to DC voltage 2.
  • Page 114 PCB Layout with part position 6-3) Connector Layout with part position (Main Board) 6-3-1. RF266** CN90 - Ice Maker ①~ ② : Motor ③ : GND ④ : Sensor ⑤ : Test Switch CN91 - Pantry Room ⑥ : +5V ①~②...
  • Page 115 PCB Layout with part position 6-3-2. RF265**/RF26NB CN90 - Ice Maker ①~ ② : Motor ③ : GND ④ : Sensor ⑤ : Test Switch CN91 - Pantry Room ⑥ : +5V ①~② : Damper Heater ⑦ : Horizontal Switch ③~⑥...
  • Page 116 PCB Layout with part position 6-4) Connector Layout with part position (SMPS Board) RF265/266 ① : COMMON LINE(L) ③ : COMMON LINE(N) ① : +5V ③ : GND ⑤ : +12V...
  • Page 117 PCB Layout with part position 6-4) Connector Layout with part position (SMPS Board) RF26NB ① : COMMON LINE(L) ③ : COMMON LINE(N) ① : +5V ③ : GND ⑤ : +12V...
  • Page 118 7. Wiring diagram 7-1) Model : RF266* DISPLAY operating part Resistance Composite Heater Voltage(W) INPUT (Ohm) resistance(Ohm) 55(220) 55(220) 110(441) 102(407) 1323(5290) 1323(5290) 1323(5290) * Caution Common difference of resistance is applied ±7% The resistance value of heater might be changed for improvement of quality or performance.
  • Page 119 Wiring diagram 7-2) Model : RF265*/RF26NB DISPLAY operating part Resistance Composite Heater Voltage(W) INPUT (Ohm) resistance(Ohm) 55(220) 55(220) 110(441) 102(407) 1323(5290) 1323(5290) 1323(5290) * Caution Common difference of resistance is applied ±7% The resistance value of heater might be changed for improvement of quality or performance.
  • Page 120 8. Shematic Diagram 8-1) Whole block diagram 8-1-1. MODEL : RF266**(BETTER)
  • Page 121 Shematic Diagram 8-1-2. MODEL : RF265**(GOOD) / RF26NB...
  • Page 122 Shematic Diagram 8-2) CIRCUIT DIAGRAM 8-2-1. Sheet 1 of 2...
  • Page 123 Shematic Diagram 8-2) CIRCUIT DIAGRAM 8-2-2. Sheet 2 of 2...

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