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DONGBU DAEWOO ELECTRONICS RN-271N Service Manual

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RN-271N
RN-272N
RN-331N
RN-332N
RN-273N
RN-274N
RN-333N
RN-334N
S/N : RN5316N002
RN-335N
RN-336N

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harry
April 26, 2025

Hi i have an daewoo fridge freezer dff470sw where i believe the thermostat has failed can you tell me where the thermostat is located in the fridge please

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Summary of Contents for DONGBU DAEWOO ELECTRONICS RN-271N

  • Page 1 S/N : RN5316N002 RN-271N RN-272N RN-273N RN-274N RN-331N RN-332N RN-333N RN-334N RN-335N RN-336N...

  • Page 2: Table Of Contents

    CONTENTS 1. SPECIFICATION 1-1. Model Information -------------------------------------------------------------------------------------------------------------------------------- 1-2. Interior Parts ------------------------------------------------------------------------------------------------------------------------------------------ 1-3. Machine Compartment View ------------------------------------------------------------------------------------------------------------------ 1-4. Refrigerant Cycle ----------------------------------------------------------------------------------------------------------------------------------- 1-5. Temperature Diagram ---------------------------------------------------------------------------------------------------------------------------- 1-6. Wire Diagram ----------------------------------------------------------------------------------------------------------------------------------------- 1-7. Main PCB Circuit Diagram --------------------------------------------------------------------------------------------------------------------- 2. FUNCTIONS 2-1. 'PCB VOLUME' Control -------------------------------------------------------------------------------------------------------------------------- 2-2.

  • Page 3: Specification

    1. SPECIFICATIONS * is the Door Type 1-1. Model Information Buyer No. RN-27*N RN-33*N Factory No. RFP-24*N*P8N RFP-30*N*P8N Total Gross Vol. ISO 15502 Freezer (unit: L) Refrigerator Total Storage Vol. ISO 15502 Freezer (unit: L) Refrigerator Net Width (Packing) 545(584) 595(634) Diemension Net Depth (Packing)

  • Page 4: Interior Parts

    1. SPECIFICATIONS 1-2. Interior Parts 1-2-1. RN-271 model 1. Refrigerator Shelves 7. Refrigerator Pocket "R" 2. Lamp Window 8. Refrigerator Pocket "J" 3. Multi Duct 9. Freezer Shelves 4. Knob R Control 10. Freezer Case "A" 5. Cover Vegetable Case 11.
  • Page 5 1. SPECIFICATIONS 1-2. Interior Parts 1-2-2. RN-331 model 1. Refrigerator Shelves 7. Refrigerator Pocket "R" 2. Lamp Window 8. Refrigerator Pocket "J" 3. Multi Duct 9. Freezer Shelves 4. Knob R Control 10. Freezer Case "A" 5. Cover Vegetable Case 11.

  • Page 6: Machine Compartment View

    1. SPECIFICATIONS 1-3. Machine (Compressor) Compartment View - Features are model dependent ( Below is RN-271 model ) 8. Suction Pipe As 1.Box Power As (Capacitor Run) 9. Dryer As 2. Power Cord 10. Case vaporization As 3. Switch P Relay As 11.Pipe connector A 4.

  • Page 7: Refrigerant Cycle

    1. SPECIFICATIONS 1-4. Refrigerant Cycle Suction Pipe ⑦ Evaporator ⑥ ⑧ ③ ② ④ ① Compressor Pipe connector A Dryer ⑤ - Welding Point Copper Welding ( Ag 5%) 5 Point Silver Welding ( Ag 30%) 3 Point...

  • Page 8: Temperature Diagram

    1. SPECIFICATIONS 1-5. Temperature Diagram * Features are model dependent ( Below is RN-271 model ) Refrigerator Dial Mode MIN: 5 ~ 8℃ MID: 2 ~ 5℃ MAX: -1 ~ 2℃ Vegetable compartment : 1 ~ 5℃ Freezer Mode LOW: -17 ~ -19℃ MID: -19 ~ -22℃...

  • Page 9: Wire Diagram

    1. SPECIFICATIONS 1-6. Wiring Diagram...

  • Page 10: Main Pcb Circuit Diagram

    1. SPECIFICATIONS 1.7. Main PCB Circuit Diagram...

  • Page 11: Functions

    2. FUNCTIONS 2-1. "PCB VOLUME" Control INPUT CONTROL OBJECT - Turn 'DIAL KNOB' on the 'COVER M/FLOW -PCB Volume DUCT'. - Temperature is controlled by "PCB Volume" assembled with "Dial Knob". - 16step(0step ~ 15step) mode of successive temperature mode - Each model is diffrent using range.

  • Page 12: Temperature Control Of Refrigerator Compartment

    2. FUNCTIONS 2-2. Temperature Control of Refrigerator Compartment INPUT CONTROL OBJECT - Turn 'DIAL KNOB' - COMPRESSOR - R sensor - FAN A. COMP and FAN will be controlled by the on/off condition of each mode. B. Temperature Difference of Refrigerator each step : STEP ON(℃) OFF(℃)

  • Page 13: Defrost Mode

    2. FUNCTIONS 2-3. Defrost Mode INPUT CONTROL OBJECT - Accumulated Compressor Run Time - Compressor - Running Time Ratio of Compressor - F Fan - Accumulated Door Open Time - Defrost Heater - Ambient temperature (RT) A. Defrost Mode Operation conditon (1) In case accumulated compressor run times: 6, 8, 10, 12 hours, - when there occur any errors: R1, D1, C1, RT, Door SW error etc.
  • Page 14 2. FUNCTIONS 2-3. Defrost Mode D. Flow chart of How to Start Defrost Mode ※ A.C.R.T. : Accumulated Compessor Run Times ※ R.R.O.C. : Running Rate of Compressor ※ RT: Ambient temperature Start A.C.R.T.= 6,8,10,12hours Any Error R.R.O.C.(per 2hrs of A.C.R.T.)≥90% Accumulated Door Open Time≥2min.

  • Page 15: Function Of Low Ambient Temperature

    2. FUNCTIONS 2-4. Function of Low Ambient Temperature (RT) INPUT CONTROL OBJECT - R HTR - COMP A. Condition of LOW RT - RT sensor below 20.7℃ - When the RT sensor is over 21.7℃, the system comes to be “General Operation Mode”. - When the RT sensor is between 20.7°C to 21.7°C, the system keeps the previous mode.

  • Page 16: Time Saving Function

    2. FUNCTIONS 2-7. Time Saving Function INPUT CONTROL OBJECT ”FAST KEY” Buzzer A. How to Save - 1 min : Click FAST KEY one time on MAIN PCB. - 30 min : If you press FAST KEY continuously, you can reduce 30 minutes on each 2.5 seconds with buzzer.

  • Page 17: Control Of R Sensor Off Point

    2.FUNCTIONS 2-8. Control of R-sensor OFF Point INPUT CONTROL OBJECT ”J1” , “J2” On Main PCB Control Resistance of R sensor OFF Point - When the refrigeration of refrigerator is poor or weak though Fan and COMP are working continuously, the following actions are recommended for service.

  • Page 18: Error Display

    2. FUNCTIONS 2-9. Error Display INPUT CONTROL OBJECT Sensor Error LED Lamp - ERROR DISPLAY - If appliance has any errors, LED on the Main PCB is flickering. - If the appliance is normal (no error), LED IS off. A. 'R1' ERROR : It happens when R-Sensor is OPEN or SHORT.

  • Page 19: Disassembly

    3. DISASSEMBLY 3-1. Door Switch Procedure Procedure Inuput a thin driver in the upper part as above picture. And lift up 'Door Switch' carefully. Inuput a thin driver in the lower part as above picture. And lift up 'Door Switch' carefully. Disconnect the wire housing.

  • Page 20: Cover Multi-Flow Duct As (In Fresh Food Compartment)

    3. DISASSEMBLY 3-2. Cover Multi-Flow Duct As (in Fresh food Compartment) Procedure Procedure the Mark of Locking Position Push Push (2) Lever (1) Push (2) Lever Unlock the lamp window Unlock the 'COVER M/FLOW DUCT' (1) Push the window right side (1) Check the marks of locking position on 'Cover'.

  • Page 21: Louver F As (In Frozen Food Compartment)

    3. DISASSEMBLY 3-3. Louver F As (in Frozen Food Compartment) Procedure Procedure Unscrew to disassemble the 'Louver F As' from Freezer. Unscrew to disassemble as each component part. 'A' axis Remove the 'Louver F As' pulling the top side. Unlock carefully. (especially, inside 3 locks) inside 3 'KNOB F' ※Default position of 'KNOB F' is 'MID'...

  • Page 22: Door F/R

    3. DISASSEMBLY 3-4. DOOR F/R Procedure Procedure Remove door in fresh food compartment. Tilt down the appliance to the rear. And unscrew middle hinge. washer ※ Don't forget the washer for middle hinge. Lift up top cover hinge to remove. Unscrew and remove top hinge.
  • Page 23 3. DISASSEMBLY 3-4. DOOR F/R Procedure Procedure Turn the 'Adjusting Leg (Left)' CCW and Remove. Unscrew and remove under hinge. washer ※ Don't forget the washer for under hinge. ※ The washer for under hinge's bigger than middle one. Remove door in frozen food compart ment.

  • Page 24: How To Change Door Position

    4. How To Change Door Position Features are model dependent ( Below is RN-271 model ) 1-1> Tilt down the appliance to the rear. (Watch out for "Pipe Wire Condensor" damage.) 1-2> Disassemble following parts in order. - 'Top Cover Hinge' and 'Top Hinge'(a) 'Refrigerator Door'(b) - 'Middle Hinge'(c) - 'Middle Cover Hinge'(d)

  • Page 25: How To Charge R-600A Refrigerant

    5. How To Charge R-600a Refrigerant 5-1. Safety Warning ( R-600a Refrigerant Models Only) his appliance contains a certain amount of isobutane refrigerant (R600a) a natural gas with high environmental compatibility that is, however, also combustible. When transporting and installing the appliance, care should be taken to ensure that no parts of the refrigerating circuit are damaged.
  • Page 26 5. How To Charge R-600a Refrigerant 5-3. Process Summary 1st Step. 2nd Step. 3th Step. R-600a ref. Removing Exchanging comp. discharging the remaning refrigerant & dryer / pipe welding - Connect the dis- - For removing of - Exchange Comp. and Dryer charging hose to remaning refrigerant., - Welding the Pipe...
  • Page 27 fire/explosion as leakage gas in the room. 1. Discharge the R-600a ref. to outdoor. [Befor connecting the vacuum pump] Discharging 5. How To Charge R-600a Refrigerant the R-600a ref. ※ It should have enough time more than SVC process Image Details 7 minutes to discharge.
  • Page 28 Valve Ass'y 1. Decap the couplig pipe cap and Valve Ass'y disassemble the vlave ass'y. Disassembly of charging v alv e 5. How To Charge R-600a Refrigerant (Coupling pipe) ※ If you don't disassemble, the coupling SVC process Image Details rubber would be melted.
  • Page 29 5. How To Charge R-600a Refrigerant SVC process Image Details 1. Conect can adapter to the coupling pipe. 2. Charge the ref. with open lever slowly. Connecting of coupling pipe & adapta ※ Refrigerant should never leak in the room. 1.

  • Page 30: Part List

    6-1. Cabinet Compartment 6. PART LIST PART-CODE PART NAME SPEC. Q'ty RN-27* RN-33* 30143KW0A0 PCB MAIN AS RFP-241/301(VE) 30143KW060 RFP-241/301 3001416600 COVER M/PCB BOX AS RFP-241/301(VE), SECC (WHITE) 3001416610 RFP-241/301(VE), SECC (SILVER) 3001416620 RFP-241/301(VE), SECC (T/SILVER) 3001416630 RFP-241/301(VE), SECC (BLACK) 3001416640 RFP-241/301(VE), SECC (BACK COATING) 301149CB00...

  • Page 31: Refrigerant Cycle Compartment

    6-2. Refrigerant Cycle Compartment 6. PART LIST PART-CODE PART NAME SPEC. Q'ty RN-27* RN-33* 3010365200 BASE COMP AS RFP-241 3010365500 RFP-301 3016003300 SPECIAL BOLT T2 M6.5*20 301119VJ10 CASE VAPORI AS RFP-301, PP(NATURAL) 3014479400 PIPE CONN A DUCT1-0 OD4.76*T0.5 3010103400 ABSORBER COMP RUBBER 3012763210 HARNESS EARTH COMP FRM-241, L140...

  • Page 32: Frozen Food Compartment

    6-3. Frozen Food Compartment 6. PART LIST PART-CODE PART NAME SPEC. Q'ty RN-27* RN-33* 301119UY00 CASE F B RFP-241, GPPS(CRYSTAL) 301119UY10 RFP-241, GPPS(GRAY) 301119UY20 RFP-241, GPPS(BLUE) 301119V200 RFP-301, GPPS(CRYSTAL) 301119V210 RFP-301, GPPS(GRAY) 301119V220 RFP-301, GPPS(BLUE) 3017861400 SHELF GLAS F GLASS T3.2 RFP-241 3017861500 GLASS T3.2 RFP-301 301119UX00 CASE F A...

  • Page 33: Fresh Food Compartment

    6-4. Fresh Food Compartment 6. PART LIST PART-CODE PART NAME SPEC. Q'ty RN-27* RN-33* 301119UW00 CASE VEGTB RFP-241, GPPS(CRYSTAL) 301119UW10 RFP-241, GPPS(GRAY) 301119UW20 RFP-241, GPPS(BLUE) 301119V000 RFP-301, GPPS(CRYSTAL) 301119V010 RFP-301, GPPS(GRAY) 301119V020 RFP-301, GPPS(BLUE) 301119UZ00 CASE GLAS VEGTB T3.2 301119V400 T3.2 3017860900 SHELF R AS RFP-241...

  • Page 34: Door Accesorry Compartment

    6-5. Door Accesorry Compartment 6. PART LIST PART-CODE PART NAME SPEC. Q'ty RN-27* RN-33* 3019068500 POCKET R RFP-241, GPPS(CRYSTAL) 3019068510 RFP-241, GPPS(GRAY) 3019068520 RFP-241, GPPS(BLUE) 3019068700 RFP-301, GPPS(CRYSTAL) 3019068710 RFP-301, GPPS(GRAY) 3019068720 RFP-301, GPPS(BLUE) 3011190800 CASE EGG TRAY GPPS(CRYSTAL) 3019068600 POCKET J RFP-241, GPPS(CRYSTAL) 3019068610 RFP-241, GPPS(GRAY)

  • Page 35: Door Compartment

    6-6. DOOR Compartment 6. PART LIST NO. F1 NO. F2 SPEC. Q'ty PART CODE PART NAME PART CODE PART NAME RN-27* RN-33* 30100B9M00 ASSY R DR 30100B9L00 ASSY F DR RFP-241, PCM WHITE(DWG1C) 30100B9M30 30100B9L30 RFP-241, PCM SILVER(ASG4P) 30100B9M40 30100B9L40 RFP-241, PCM T/SILVER(TSH1P) 30100B9M50 30100B9L50...
  • Page 36 6-6. DOOR Compartment 6. PART LIST PART-CODE PART NAME SPEC. Q'ty RN-27* RN-33* F1-1 3012330800 GASKET R DR RFP-241, GRAY 3012330810 RFP-241, BLACK 3012331000 RFP-301, GRAY 3012331010 RFP-301, BLACK F1-2 3011450300 COVER CAP HOLE A ABS, WHITE 3011450310 ABS, SILVER 3011450340 ABS, BLACK F1-3...
  • Page 37 6. PART LIST DOOR R DOOR F RFP-241 / RFP-301 RFP-242 / 243/ 302 / 303 DOOR R RFP-305 RFP-306 RFP-30V (HIDDEN HINGE TYPE) *Some parts can be changed for improving without notice. Date Note...

This manual is also suitable for:

Rn-272nRn-273nRn-274nRn-331nRn-332nRn-333n ... Show all

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