Daewoo FRS-2021 Service Manual
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Daewoo FRS-2021 Service Manual

Side by side refrigerator
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Service Manual
Side By Side Refrigerator
Model: FRS-2021
! Notice !
There was an engineering change in Side By Side Refrigerators.
The function that controls Top Hinge's left and right side was removed.
As a result, "Installation Guide" was modified and "Screw Machine" was deleted in service manual.
Nov. 11th, 2003.
This change took effect on
So please refer to the revision service manual for the SBS models produced after
Caution

: In this Manual, some parts can be changed for improving, their
performance without notice in the parts list. So, if you need the
latest parts information,please refer to PPL(Parts Price List) in
Service Information Center (http://svc.dwe.co.kr).
DAEWOO ELECTRONICS CORP.
http://svc.dwe.co.kr
S/M No. : FRS2021100
FRS-2041
FRS-2421
FRS-2441
Nov. 11th, 2003
.
Nov. 2003

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Summary of Contents for Daewoo FRS-2021

  • Page 1 S/M No. : FRS2021100 Service Manual Side By Side Refrigerator Model: FRS-2021 FRS-2041 FRS-2421 FRS-2441 ! Notice ! There was an engineering change in Side By Side Refrigerators. The function that controls Top Hinge's left and right side was removed.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. EXTERNAL VIEWS ---------------------------------------- 1-1. EXTERNAL SIZE ---------------------------------------- 1-2. NAME OF PARTS ---------------------------------------- 2. SPECIFICATIONS ---------------------------------------- 2-1. OUTLINE ---------------------------------------- 2-2. ELECTRIC PARTS ---------------------------------------- 2-3. POWER CORD ---------------------------------------- 2-4. DOOR COLOR ---------------------------------------- 3. OPERATIONS AND FUNCTIONS ---------------------------------------- ---------------------------------------- 4.

  • Page 3: External Views

    1. EXTERNAL VIEWS 1-1. EXTERNAL SIZE FRS-2021 12.5 676.5 61 66 - - 3 -...
  • Page 4 FRS-2041 12.5 676.5 61 66 - - 4 -...
  • Page 5 FRS-2421 12.5 756.5 61 66 - - 5 -...
  • Page 6 FRS-2441 12.5 756.5 61 66 - - 6 -...

  • Page 7: Name Of Parts

    1-2. NAME OF PARTS FRS-2021 / FRS-2421 Freezer Compartment Refrigerator Compartment 1. Freezer Light 9. Deodorizer 2. Freezer Pockets 10. Dairy Pocket 3. Freezer Shelves 11. Refrigerator Top Light 5. Ice Cubes Maker 12. Refrigerator Small Pocket 6. Ice Cubes Case 13.
  • Page 8 FRS-2041 / FRS-2441 Freezer Compartment Refrigerator Compartment 1. Freezer Light 9. Deodorizer 2. Freezer Pockets 10. Diary Pocket 3. Freezer Shelves 11. Refrigerator Top Light 5. Ice Cubes Maker 12. Refrigerator Small Pocket 6. Ice Cubes Case 13. Foldaway Wine Support 7.

  • Page 9: Specifications

    2. SPECIFICATIONS 2-1. OUTLINE DIVISION CONTENTS MODEL NAME FRS-2021 FRS-2041 FRS-2421 FRS-2441 FREEZER USABLE CAPACITY (L) REFRIGERATOR TOTAL WIDTH EXTERNAL DEPTH DIMENSION (mm) 1808 1808 HEIGHT REFRIGENT R134a 150/190 Fan Cooling System COOLING SYSTEM COOLING & CONTROL Fin Evaporator Forced...

  • Page 10: Electric Parts

    2-2 ELECTRIC PARTS 1) COMPRESSOR REFRIGERANT R134a 230 /50 VOLTAGE ( V/HZ) 100 /50,60 110 / 60 115,120/60 127/60 220 / 60 220 ~240/50 (EUROP) COMP MODEL HBL27YG-3 HCL27YG-2 HPL27YG-4A HPL30YG-5 DK190Q-L2U PART CODE 3952127R30 3957127R20 3956127R40 395S130R50 3956190D50 STARTING TYPE CSIR RSCR RSCR...
  • Page 11 5) F-FAN MOTOR REFRIGERANT R134a VOLTAGE ( V/HZ) 100 /50,60 110 / 60 115,120/60 127/60 220/60 220~240 / 50 230 / 50 TYPE NAME BL-2213DWFA-1 PART CODE 3015911300 REVOLUTION DC 12V 2200RPM 6) R-FAN MOTOR REFRIGERANT R134a VOLTAGE ( V/HZ) 100 /50,60 110 / 60 115,120/60...
  • Page 12 10) LAMP ASSEMBLY REFRIGERANT R134a VOLTAGE ( V/HZ) 100 /50,60 110 / 60 115,120/60 127/60 220/60 220~240 / 50 230 / 50 SPEC (W) 120V 15W 240V 15W PART CODE 3013600070 3013600060 SPEC (W) 120V 25W 230~240V 25W PART CODE 3013602020 3013602010 11) MAIN PCB ASSEMBLY...

  • Page 13: Power Cord

    2-3. POWER CORD NO SHAPE OF POWER CORD PART CODE DESCRIPTION REMARK 3011315000 CP-2PIN For european country 401RA17200 CP-2PIN For other country 4006D17101 KP-30 For America & El Salvador 401PD17101 KP-211 For Japan & Taiwan 3011300801 BP-3PIN 3011303010 # 267 For Chile 3011315310 For Israel...

  • Page 14: Door Color

    2-4. DOOR COLOR 1) ASSEMBLY URETHAN FREEZER DOOR FRS-2021 / FRS-2401 / FRS-2421 / FRS-2441 Refrigerant Cyclo Pentane Inox Looking Ellio Inox Looking Ellio COLORTYPE Bright White PCM White Emboss Beige Emboss COLOR CODE RWB3C GWG1B FBG3B DSG1E ISG3E PARTCODE...

  • Page 15: Operations And Functions

    3. OPERATION AND FUCTIONS Display INPUT Control Object Front PCB buttons FRZ SET. button / REF SET. button SUPER FRZ. button / SUPER REF. button LOCK button / SLEEP button CONTENTS REMARKS 1. Normal Operation 1) Temperature control of Freezer / Refrigerator ( Initial mode : Freezer &...

  • Page 16: Contents

    CONTENTS REMARK 2. "FRZ SET." button 1) Temperature control of Freezer compartment 2) 5 steps of sequential temperature mode Initial mode by power input : “MID” (Temperature and bars are shown.) * Letters are not indicated at Soft-Mid and Mid-Strong modes. (Just temperatures and bars are shown.) Temperature progress : Low ->...

  • Page 17: Contents

    Temperature Control of Freezer Compartment (FC) INPUT Control Object 1. FRZ SET. button / SUPER FRZ. button 1. COMP 2. F-sensor 2. F-FAN CONTENTS REMARKS 1. Temperature modes change by pushing the button. Mid-High High Low-Mid 2. Comp. and F-fan are controlled by ON / OFF point of each mode. 3.

  • Page 18: Contents

    CONTENTS REMARKS 6. SUPER FRZ. (Quick Freezing) * ON/OFF DIFF. : 1) Comp. and F-fan are ON (about 150 minutes) regardless of F-sensor. fixed by MICOM 2) F-fan runs at 14V for the first 90 min., then at 12V for the rest time. * STEP DIFF.

  • Page 19: Contents

    CONTENTS REMARKS 6. Control point of each mode Temp Weak refrigeration point (Off point+7C) 2.65 1.65 ON point 0.65 -0.35 ON/OFF -1.35 DIFF (0.35 deg) OFF point -0.7 -1.7 STEP DIFF STEP DIFF MODE High (Low-Mid) (Mid-High) 7. Super refrigeration proceeds for 40 minutes. * Example of temperature change (Refrigerator ;...
  • Page 20 SLEEP Mode INPUT Control Object 1. COMP 2. R-FAN 1. SLEEP button 3. F-FAN 4. CUSTOM-LCD CONTENTS REMARKS 1. This mode starts with a push of “SLEEP” button. 2. Conditions to start Sleep mode 1) F-sensor < -13C 2) Unless it is a restart within 40 minutes after the end of previous Sleep mode 3) F-sensor error 4) Door switch error 5) Defrosting (Heater defrosting, pause, Fan delay)
  • Page 21 SILENT (Silence Mode) INPUT Control Object 5. COMP 6. R-FAN 1. CDS SENSOR 7. F-FAN 8. CUSTOM-LCD CONTENTS REMARKS 1. Purpose of Silence mode To reduce refrigerator noise at night by decresing fan RPM to a minimum degree 2. Condition to start 1) The optical or light sensor in top middle of control panel senses surround light and Silence mode starts if the amount of light sensed is below the standard value for more than 1 minute.
  • Page 22 CONTENTS REMARKS 1. Fan voltage of each control mode Control Mode F-FAN R-FAN C-FAN Normal Normal Load Control Silence Silence Normal Normal Sleep Mode2 Load control 2. Control against (under) load (Load Control) 1) Purpose : To restore F/R-temperature which has risen by load (much foods in or frequent door openings) as soon as possible 2) Display : "SPEED"...
  • Page 23 CONTENTS REMARKS 3. Control Time Chart of Each Mode 1) Start & stop of load control mode (Normal Control) Door On + 5deg F Fan 20min. On + 5deg 20min. R Fan Ref. Load Door Open Rez. Load Stop Frz. Stop ; after 20min. 30 sec.
  • Page 24 CONTENTS REMARKS 4. Flow Chart of Load Control Mode Sart 240 minutes ? Normal Silence Control Mode Fan RPM Fan RPM Normal Overload F Fan : 12V F Fan : 10V R Fan : 12V R Fan : 10V C Fan : 10V C Fan : 10V Load control is avoided ? F/R door open time is over 30 sec.
  • Page 25 Defrosting Cycle INPUT Control Object 1. Total comp. work time 2. Comp. work rate 1. Defrosting Mode 3. RT temperature 4. Total door open time REMARKS CONTENTS 1. Conditions to start defrosting cycle 1) Total comp. work time : 6, 8, 10 hours 2) Comp.
  • Page 26 CONTENTS REMARKS 3. Flow Chart of Defrosting Start Start Comp. work time is over 2 hours ? Total time is over 60 hours ? Comp. work time is over 10 hours ? Comp. work time is over 8 hours ? Comp.
  • Page 27 Defrosting Mode INPUT Control Object 1. COMP 2. F-FAN 1. Defrosting Cycle 3. R-FAN 4. HEATER CONTENTS REMARKS 1. Defrosting Mode 1) Time ; 50 minutes 2) Comp. / F-fan : ON Pre-Cool R-fan : Control Heater : OFF 3) If F-sensor < - 27C, PRE-COOL becomes OFF. 1) If D-sensor >...
  • Page 28 Error Display (LCD Display of F-PCB) INPUT Control Object 1. Temperature Control Buttons CUSTOM LCD CONTENTS REMARKS 1. How to start 1) Set “LOCK ON” first. 2) Push “LOCK” button 3 times while pushing “REF SET.” button at the same time. 2.
  • Page 29 CONTENTS REMARKS 6. Control Way of Errors (if any) 1) "F1" ERROR a. Cause : F-sensor disconnection / short (pull-down) b. Control : Comp. / F-fan -> ON for 25min., OFF for 25min. c. if F-sensor is normal, the error is terminated automatically. 2) "r1"...
  • Page 30 Forced Defrosting INPUT Control Object 1. “FRZ SET.” button 2. “REF SET.” button Defrosting Mode 3. “LOCK” button CONTENTS REMARKS 1. How to start -> Set “LOCK ON” first, then push “REF SET.” button 5 times while pushing “FRZ SET.” button simultaneously. 2.
  • Page 31 CONTENTS REMARKS 1. Conditions to turn on LCD Light 1) Power input (plugin) 2) When any button on the panel is pushed, first the back light turns on, then button control is done. 3) When F/R door is open, the light turns on. 2.
  • Page 32 Delay Function of Electric Components INPUT Control Object COMP COMP ON/OFF F-FAN CONTENTS REMARKS F-fan delay by comp. ON/OFF -> F-fan is ON/OFF 1 minute after comp. is ON/OFF. 1Min 1Min 2) Fan Delay and Priority O N c o n d itio n R F A N O F F 0 .
  • Page 33 Home Bar (Refreshment Center) Heater (FR-S580CR MODEL) INPUT Control Object None COMP CONTENTS REMARKS It is linked with comp. Control of Interior Lights INPUT Control Object Refrigerator Door Freezer Door COMP Home-Bar Door (Refreshment Center ; FR-S580CR) CONTENTS REMARKS 1) Control of Refrigerator Compartment Lights R lights turn ON/OFF by R-door switch (ON/OFF).
  • Page 34 Regulation of R-sensor OFF Point INPUT Control Object J18, 22 on Main PCB Resistance of R-sensor Mid OFF Point CONTENTS REMARKS a. Regulation of R-sensor OFF point (1.5degree DOWN) b. In case refrigeration of refrigerator is weak or insufficient, take the following action. R-SENSOR OP1-1 OP1-2...
  • Page 35 MICOM Circuit Power Circuit DC Output Power (Voltage) Point Oscilloscope Measurement Remarks * DC output 15.7V 11.96V - 35 -...
  • Page 36 SMPS Movement Wave Drain to Source Break Voltage Point Oscilloscope Measurement Remarks *Voltage between DRAIN SOURCE : below 650V OVP(Overvoltage Protection) Wave at power input Point Remark Oscilloscope Measurement SMPS *Minimum IC PIN standard voltage at OVP start : 23.2V - 36 -...
  • Page 37 Initial Power Wave of Switching Power IC Point Remark Oscilloscope Measurement SMPS IC PIN - 37 -...

  • Page 38: Function Of Each Sensor

    Sensors Circuit Diagram Function of Each Sensor [ F-sensor ] 1) It senses the temperature of freezer compartment and controls Comp., F-fan ON / OFF. 2) How it works ; Working Point Low ON Mid OFF High OFF Working Temp. -11.0 C -20.0 C - 26.0 C...

  • Page 39: How It Works

    [ R-sensor ] 1) It senses the temperature of refrigerator compartment and controls R-fan ON / OFF. 2) How it works ; Working Point Low ON Mid OFF High OFF Working Temp. 2.65 C 0.3 C -1.7 C Resistance 26.88 29.34 32.00 Sensing Voltage...

  • Page 40: Fan Function

    Fan Function How It Works ; ON Condition OFF Condition Control Control MICOM Port MICOM Port Object Method IC Collector IC Collector Low (10V) 10.35V operation Mid (12V) F-FAN 12.19V operation High (14V) 14.38V operation ON Condition OFF Condition Control Control MICOM PORT MICOM Port...

  • Page 41: Diagram

    4. DIAGRAM 4-1. WIRING DIAGRAM CODE:WSBS1-3 - 41 -...

  • Page 42: Circuit Diagram

    4-2. CIRCUIT WIRING DIAGRAM Main PCB - 42 -...
  • Page 43 Front PCB - 43 -...

  • Page 44: Air Fiow Diagram

    4-3. AIR FLOW DIAGRAM Freezer Refrigerator Compartment Compartment - 44 -...

  • Page 45: Refrigerant Cycle Diagram

    4-4. REFRIGRANT CYCLE DIAGRAM Welding Points 7 points 35 % 5 points Flow of Refrigeration Cycle - 45 -...

  • Page 46: Disassembly And Assembly

    5. DISASSSEMBLY AND ASSEMBLY 5-1. Replacing Freezer Parts 1) Exchanging F-lights * Remove screw cap with a small tip (-) driver on the bottom of light cover * Pull down the light cover smoothly to remove. * Replacing F-lights. - Assembling order is the reverse of disassembling. - 46 -...
  • Page 47 2) Ice Cubes Maker & Ice Cubes Case * Pull forward Ice case and lift up a little to remove then pull Ice cubes maker. 3) Drying Case & Meat Case * Pull forward and lift up a little like Ice case. - Fruit case, vegetable case and chilled case in Refrigerator are the same way.
  • Page 48 5) Freezer (Refrigerator) Pockets * Hold the middle and pull up slightly. (Assembling order is the reverse of disassembling.) - Ref Pockets are the same way. 6) F-Louver Parts Disassembling. * Open the door fully and remove the shelves. * Remove screw cap on the bottom of light cover and unscrew two screws with a (+) driver to separate the light cover.
  • Page 49 * Separate sensor housing on the top of F-louber C. 냉동실 MOTER HOUSING * Hold the bottom nose of cover and pull forward out smoothly. SENSOR HOUSING * Separate Moter Housing and remove three screws. * In order to disassemble F-louver C, separate hook with a (-) driver and pull out smoothly.
  • Page 50 5-2. Replacing Refrigerator Parts 1) Deodorizer * Turn deodorizer counterclockwise. (Assembling is the reverse order of disassembling.) 2) Top R-Light * Like F-lights, remove two screw caps at the bottom of light cover with a (-) driver. * Unscrew two screws with a (+) driver. * Pull down R-light cover a little to separate the hook and pull out forward smoothly.
  • Page 51 3) Refrigerator Bottom Light * Snap out the bottom hook of light cover with a flat tip screw driver. * Hold down the light cover to pull out. * Change the light bulb. (Assembling is the reverse order of disassembling.) 4) Wine Holder * Remove two screw caps on the top of Wine holder with a (-) driver.
  • Page 52 6) Return Duct Cover * Pull out the cover to arrow direction. 7) Dairy Pocket * Pull forward and lift up a little. 8) Refreshment Pocket (Only for FRS-2041) * Hold both end and pull up to remove the pocket. * Lift up a little and then pull forward out.
  • Page 53 * Unscrew two screws on the left and right side of DAMP COVER. * Hold the bottom and right of damper to pull down to remove. * After removing bottom R-light cover, unscrew with a (+) driver. (Refer to 3) Refrigerator Bottom Light) * Hold top of the MULT DUCT COVER AS and pull forward to remove.

  • Page 54: Installation Guide

    Dimensions (Including Door Handles) (Width X Depth X Height) 928mm X 816mm X 1808mm [FRS-2021 / FRS-2041] 928mm X 896mm X 1808mm [FRS-2421 / FRS-2441] Find a suitable place to install. Sufficient space from refrigerator back to the Avoid direct sunlight.
  • Page 55 6-2. If the refrigerator can not enter the door, follow these steps. Removing Freezer Door Remove front bottom cover first, if it is attached. Unscrew top hinge cover with a screw driver. Insert a thin screw driver into the side groove of the cover to remove.
  • Page 56 Removing Refrigerator Door Unscrew top hinge cover with a screw driver. Insert a thin screw driver into the side groove of the cover to remove. Turn top hinge fastener counterclockwise 3~4 times. Disconnect harness wires. Lift up the front of hinge to remove. (After the hinge is removed the door can fall down forward.
  • Page 57 Replacing Freezer Door Insert the bottom hole of freezer door straight to the bottom hinge pin. Let the top of door close to the cabinet and insert the top hinge pin to the top hole of freezer door. ( Insert the back of hinge to the groove of protrusion first, then front to the top hole of door.) Turn the hinge fastener tightly to the end.
  • Page 58 Replacing Refrigerator Door Insert the bottom hole of refrigerator door straight to the bottom hinge pin. Let the top of door close to the cabinet and insert the top hinge pin to the top hole of freezer door. ( Insert the back of hinge to the groove of protrusion first, then front to the top hole of door.) Turn the hinge fastener tightly to the end.

  • Page 59: Front Cover

    6-3. Refrigerator Leveling & Door Adjustment (If needed.) Refrigerator must be level in order to maintain optimal performance and desirable front appearance. (If the floor beneath the refrigerator is uneven, freezer and refrigerator doors look unbalanced.) In case freezer door is lower than refrigerator door... Insert a screw driver (flat tip) into a groove of the left wheel (bottom of freezer) and turn it clockwise until the door is balanced.

  • Page 60: Exploded View And Part List

    7. EXPLODED VIEW AND PARTS LIST 7-1. Total Exploded View FRS-2021 / FRS-2421 CABINET MECH ROOM - 60 -...
  • Page 61 FRS-2021 / FRS-2421 R ROOM - 61 -...
  • Page 62 FRS-2021 / FRS-2421 F ROOM - 62 -...
  • Page 63 FRS-2021 / FRS-2421 F DOOR 141-6 129-2 141-5 129-1 141-4 141-3 141-2 141-1 R DOOR 153-2 153-1 - 63 -...
  • Page 64 FRS-2041 / FRS-2441 CABINET MECH ROOM - 64 -...
  • Page 65 FRS-2041 / FRS-2441 R ROOM - 65 -...
  • Page 66 FRS-2041 / FRS-2441 F ROOM - 66 -...
  • Page 67 FRS-2041 / FRS-2441 F DOOR 141-6 129-2 141-5 129-1 141-4 141-3 141-2 141-1 R DOOR 155-3 155-1 159 160 155-2 - 67 -...

  • Page 68: Total Part List

    7-2. Total Parts List FRS-2021 / FRS-2421  Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr)
  • Page 69 WINDOW R LAMP A MIPS 3016002710 SPECIAL SCREW 4 x 12 3017827300 SHELF R A AS GLASS + HIPS FRS-2021 3017831900 SHELF R A AS FRAME + SHELF + FIXTURE FRS-2421 3012514500 GUIDE CASE A *L AS 3012514600 GUIDE CASE A *R AS...
  • Page 70 4 x 12 3017827100 SHELF F A AS GLASS + HIPS 3018124000 SWITCH LAMP SP201R-7DR 3015101300 SPRING ICING CASE STS304WPB 3011170600 CASE ICING FRS-2021 3011177300 CASE ICING FRS-2421 3012203800 FRAME ICE MAKER FRS-2021 3012205300 FRAME ICE MAKER FRS-2421 3013408000 KNOB ICEING CASE...
  • Page 71 PART CODE PART NAME PART DESCRIPTION Q'TY REMARK 3011171500 CASE F B AS GPPS + HIPS FRS-2021 3011177900 CASE F B AS GPPS + HIPS FRS-2421 3012516000 GUIDE F POCKET 3019019100 POCKET F *U HIPS 3019019000 POCKET F *T HIPS...
  • Page 72 FRS-2041 / FRS-2441  Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) PART CODE PART NAME PART DESCRIPTION...
  • Page 73 PART CODE PART NAME PART DESCRIPTION Q'TY REMARK 3011200500 CLAMP FAN SUS 304 3016806900 DRYER AS XH-9 15g 3011474710 COVER MACH ROOM AS SBHG T0.4 7112401211 SCREW TAPPING T1 TRS 4 x 12 MFZN 3012007800 FIXTURE MOTOR A 3015911400 MOTER R FAN AS 3012007900 FIXTURE MOTOR B HIPS...
  • Page 74 PART CODE PART NAME PART DESCRIPTION Q'TY REMARK 3013408100 KNOB MULT DUCT 3017905310 SOCKET R LAMP AS 250V 1A LAMP R B 3015508000 WINDOW R LAMP B MIPS 3011473000 COVER SENS 3014805400 SENSOR R AS PBN-438 3011171300 CASE EGG AS GPPS 3012514200 GUIDE DRN...
  • Page 75 PART CODE PART NAME PART DESCRIPTION Q'TY REMARK 3019019000 POCKET F *T HIPS 3000018700 ASSY F DR FRS-2021 129-1 3012314200 GASKET F DR AS 129-2 3000003700 ASSY F DR URT 3011623800 DECO HNDL *T 3012628500 HANDLE 3011613900 DECO HNDL *U...

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Frs-2041Frs-2421Frs-2441

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