Daewoo FRN-U20DAI Page 78 Service Manual Download | Manualshive

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background image

77

FRU-541D

1

ASSY F DR URT

3000003700

126-3

FRU-571I

1

HANDLE AS

3012641500

127

WASR+TRS5X16 MFZN

PVC

HIPS

FRU-541D

BASE+DECO+SILK

HIPS+SILK

CASE+SILK+FRAME

CASE+SILK+FRAME

FRAME+PRINTED GLASS+FIX

SPF101B-2D

ABS

PT-38

SM18C

MIPS

T1 TRS 4X12 MFZN

240V 25W

250V 1A

SGCC T0.8

FRU-571I

FRU-541D

ABS

ABS

FRS-541D

ABS

ABS

FRU-541D(R600A)

HIPS

PP

HIPS

T2S TRS 4X16 MFZN

HIPS

HIPS

Description

3016002700

3012318800

3010964600

3000060410

3019027400

3019026700

3011114900

3011114800

3017842600

3018128500

3011442600

3014807000

3016002720

3015510700

7112401211

3013602500

3017906600

3014531900

3001401700

3011115200

3012517710

3012520510

3010658100

3012517900

3012517800

3000025920

3012205600

3012013200

3010924600

7122401611

3011443200

3018921500

Remark

Q’ty

Part Name

Part code

No

3

POCKET F AS

125

1

CAP ICE PATH FRAME

126-1

1

ASSY F DR

126

2

SPECIAL SCREW

128

1

GASKET F DR AS

126-2

1

POCKET F *T

124

1

CASE F B AS

123

1

CASE F A AS

122

3

SHELF F AS

121

1

SWITCH LAMP *L

120

1

COVER F SENS

119

1

SENSOR F AS

118

2

SPECIAL CAP SCREW

117

1

WINDOW F LAMP

116

1

SCREW TAPPING

115

1

LAMP

114

1

SOCKET F LAMP AS

113

1

PLATE F LAMP

112

1

COVER F FAN AS

111

1

CASE ICE CRUSHER AS

110

1

GUIDE ICE CRUSHER *R

109

1

GUIDE ICE CRUSHER *L

108

1

BRACKET G/MOTR AS

107

1

GUIDE G/MOTR BRKT *R

106

1

GUIDE G/MOTR BRKT *L

105

1

ASSY ICE MAKER

104

1

FRAME ICE MAKER

103

2

FIXTURE C

102

2

CAP F LOUVER

101

1

SCREW TAPPING

100

1

COVER F RETURN

99

1

LOUVER F B AS

98

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Summary of Contents for FRN-U20DAI

Page 1: ...nes Fondo de 60cm sin puerta 895 x 1790 x 730 AnxAlxPr en mm Caracter sticas generales Magic Cool Zone Dispensador agua hielo Nano Silver anti bacterias Cajones frigor fico con selector de humedad Sis...

Page 2: ...1 Hose Ice Maker Tube 36 8 2 Bracket Geared Motor 37 8 3 Dispenser Micro Switch 38 8 4 Dispenser Solenoid Valve 39 8 5 Main PCB 40 8 6 Ice Maker 41 9 TROUBLE DIAGNOSIS 9 1 Power Failure 43 9 2 Freeze...

Page 3: ...em 7 Make sure the hook is correctly engaged Remove dust and foreign materials from the housing and connecting parts 8 Do not fray damage machine heavily bend pull out or twist the power cord 9 Please...

Page 4: ...3 2 EXTERNAL VIEWS 2 1 External Size FRS N U20DA...

Page 5: ...ase 6 Freezer case 11 Refrigerator pocket 5 Freezer pocket 10 Movable Egg case 4 Freezer shelf 9 Refrigerator shelf 3 Water Ice Dispenser 8 Refrigerator light 2 Freezer light Refrigerator Compartment...

Page 6: ...5 Freezer Compartment Refrigerator Compartment 2 3 Cold Air Circulation...

Page 7: ...Tube Molecular Sieve XH 9 Dryer Fan Cooling System Condenser Fin Type Evaporator R 134a R 600a Refrigerant 69 130 Close Open Temp 113kg Weight 541 Li Total ISO Gross Volume Li 184 Li Freezer 357 Li Re...

Page 8: ...8 F Sensor D Sensor D E F O R E S T AC220V 5W Water Pipe Heater AC220V 5W Dispenser Heater AC220V 8W Louver Heater H E A T E R SP201R 7DL SP201R 7DR SPF101B 2D SPF101B 1D AC230 240V 25W 2EA AC230 240V...

Page 9: ...n FREEZER QUICK is ON After six month LED ON FILTER CHANGE ICON Dial ICE MAKER LOCK ICON Dial LOCK ICON Dial WATER CUBED ICE CRUSHED ICE ICON Always ON FUZZY DEODORIZER ICON Dial SUPER FREEZER SUPER R...

Page 10: ...y pushing ICE MAKER LOCK button again ICE MAKER LOCK icon is off WATER icon is on 8 RESET WATER FILTER button 1 The normal ICON OFF is on for 6 month after are first power input 2 After sic months ico...

Page 11: ...fan R fan Heater etc OFF Fan Delay 1 Time 5 minutes Comp ON and F fan R fan Heater OFF 4 2 Defrost Mode 2 The defrost mode start with the following conditions 1 Total operation time of comp becomes 6...

Page 12: ...ng time is over 24 hours Total time is over 60 hours Comp operating time is over 6 hours End Defrosting start Comp operating time is over 2 hours Any error NO YES NO NO YES Total door open time is ove...

Page 13: ...p ON F fan R fan Heater OFF Pause Fan Delay Heater Defrosting 2 How to start 1 Push REF TEMP button 5 times while pushing FRZ TEMP button simultaneously FRS U20IA 2 In LOCK mode push REFRIGERATOR SET...

Page 14: ...OFF by R door switch ON OFF For 10 minutes after sensing door open the lights turn off automatically through door close is not sensed 2 Control of freezer compartment lights F Light turn ON OFF by F d...

Page 15: ...n again INPUT CONTROL OBJECT CONTENTS REMARKS 1 FRZ TEMP 2 Door Switch Comp F R Fan Heater 4 8 Demonstration 1 Start Push ICE WATER button 5 times while pushing FREEZER SET button simultaneously 2 Con...

Page 16: ...31 4K R37 In case of weak ref cut J1 or J18 to down the standard resistance by 1 5deg 2K R38 In case of weak ref cut J2 or J19 to down the standard resistance by 1 5deg 2K 4 9 Compensation of R senso...

Page 17: ...p 1 Push LOCK button 1 time 2 It stops automatically in 4 minutes from the start 3 All the error Codes are reset if they turn to be normal 4 Error code INPUT CONTROL OBJECT CONTENTS REMARKS Temperatur...

Page 18: ...ull down Check point Measure the voltage of A part on the Main PCB If the voltage is 0 5V 4 5V it is normal If the voltage is 0V short or 5V disconnected change the RT sensor on the Main PCB How to re...

Page 19: ...5min after water supply doesn t go up Check the I sensor or water supply line 12 ES error MICRO switch error Cause When it senses 1min continuously Check the MICRO switch of the dispenser 14 Eu error...

Page 20: ...Function INPUT CONTROL OBJECT CONTENTS REMARKS Each button Resistance of R sensor Mid ON OFF Point WATER ICE ICE MAKER LOCK 5 times Ice maker test WATER ICE RESET WATER FILTER 5times EEPROM clear FREE...

Page 21: ...f ice making 1 Press TEST switch under the Icemaker for more than 1 second and test starts Test mode starts from ice separating mode In case test switch has an error of short test is done only once ST...

Page 22: ...l Operation proceeds to Ice making mode Ice separating and water supply Modes stop 5 Crusher Function It stops operation when freezer door is open It operates if freezer door is closed 2 Ice making mo...

Page 23: ...used to verify level switch error 2 The rotation of motor is sensed at each zone 3 In case of level switch error ice separation is done by time 4 If ice separating motor has error the mode stop 4 Wat...

Page 24: ...T CONTENTS REMARKS Dispenser switch WATER ICE Button ICE MAKER LOCK Button Freezer Door Switch Dispenser Lamp Crusher Motor Flap Solenoid Crusher Solenoid Dispenser Water Valve 1 Initial mode water Mo...

Page 25: ...l Flow Timing Chart Crushed Ice Cubed Ice Water Delay time A 500ms B 500ms C 2 0s D 5 0s D P SW Gear Motor D P Lamp D P S V Flap D A A C D P SW Cube S V D P S V Flap Gear Motor D P Lamp A C A A B D D...

Page 26: ...1 MC1 E D C B A Parts A 5 CIRCUIT OPERATION 5 1 Power Circuit Diagram FRS N U20DA B D C E A B C D E Voltage of every part Caution Since high voltage DC310V is maintained at the power terminal please t...

Page 27: ...Sensing Voltage 24 76 24 05 Resistance High OFF Mid OFF Working Point D sensor 1 It senses return point of defrosting heater 2 How it works 13 Working Temp 3 08V 22 56 Return point of defrosting heate...

Page 28: ...rking Temp 2 96V 23 33 Low ON 2 72V 2 83V Sensing Voltage 24 76 24 05 Resistance High OFF Mid OFF Working Point D sensor C 1 It senses return point of defrosting heater 2 How it works 13 Working Temp...

Page 29: ...C8 7 5 0V Relay 7 Water Dispenser 6 0V 6 5 0V Relay 6 Water Ice 5 0V 5 5 0V Relay 5 Dispenser Solenoid 4 0V 4 5 0V Relay 4 Dispenser Lamp 9 0V 9 5 0V Relay 9 D Heater 8 0V 8 5 0V Relay 8 Geared Motor...

Page 30: ...d the output voltage applied to the fan is determined by the PWM control using the software 2 Explanation for the operation TA7291P is the drive IC for the only DC motor and used for control of the fa...

Page 31: ...30 6 6 1 Wiring DIAGRAM FRS N U20DA...

Page 32: ...31 FRS N U20DA...

Page 33: ...32...

Page 34: ...Sensor R Sensor Inner Controller F Door Switch R Door Switch R Door Switch Freezer Compartment FRS N U20DA Front PCB Dispense r Button Home bar Door Option F Lamp F Fan Motor R Lamp R Fan Motor 7 2 In...

Page 35: ...R Sensor R Sensor Inner Controller F Door Switch R Door Switch R Door Switch Freezer Compartment FRS N U20DA Front PCB Dispense r Button Home bar Door Option F Lamp F Fan Motor R Lamp R Fan Motor 7 2...

Page 36: ...D Sensor Temp Fuse Defrost Heater Water Pipe Evaporato r Compressor Condenser Dryer Running Capacitor OLP PTC Water Valve Condenser Fan Motor Tray Drip Power cord 7 3 Evaporator 7 4 Machine Compartme...

Page 37: ...e Cover Guide Cab W Tube A Pull forward Ice Maker Pull forward Hose Ice Maker Tube As Remove Water Hose Heater s 2P housing Check Hose Ice Maker Tube As 2 How to check Hose Ice Maker Tube As How to ch...

Page 38: ...mbly SPEC CRITERION GOOD 11 3 10 10 8 12 7 DEFECTIVE Change the Geared Motor PARTS HOW TO CHECK GOOD 145 8 133 156 DEFECTIVE Change the Cube Sol Valve Check resistance value of 2 terminals with a Mult...

Page 39: ...o Switch CRITERION GOOD DEFECTIVE Change Micro Switch PARTS HOW TO CHECK SPEC NAME VP333A OD 8 VOLTAGE 125V 3A 8 3 Dispenser Micro Switch 1 Disassembling Procedure Check both terminals red circle with...

Page 40: ...CRITERION Good 215 10 193 236 DEFECTIVE 0 Change Sol Valve PARTS HOW TO CHECK GOOD 96 8 88 104 DEFECTIVE Change Flap Heater AS SPEC NAME SOL2003 01B VOLTAGE 220 240V 50Hz VOLTAGE DC 12V 1 5W Check res...

Page 41: ...voltage of each electrical devices to from Mi com Check input output voltage of MICOM and IC7 8 Fan Power Controller 3 To check input output voltage of Fan Electric Current Fuse 4 To check when each d...

Page 42: ...ormal OK 8 6 Ice Maker 1 Disassembling Procedure 2 7 Remove 2 screws on top front of ice maker Remove full ice sensing switch and level switch 4 9 Separate Ice Maker Assembly from Frame Ice Maker Remo...

Page 43: ...nge the sensor Full Ice Sensing Switch Check resistance value of 2 terminals with a Multi Tester GOOD DEFECTIVE Change the switch Level Switch Check resistance value of 2 terminals with a Multi Tester...

Page 44: ...n the left side of machine compartment Start Power cord or Fuse is disconnected 1 st power of SMPS is on Main PCB Fuse is disconnected Voltage DC12V 14 5V 5V on Main PCB is OK Wire connection of F PCB...

Page 45: ...Eva And if refrigerant leak is found repair it N N Y Y Y N N Defrost Heater 192W 252 Left lower side of Evaporator 4th pipe from buttom OLP PTC is OK Does Comp work Any Error code on F PCB F C Motor...

Page 46: ...helves and cases in Freezer compartment 1 Removing and replacing Freezer parts Remove 2 screws of Ice Maker Remove the Housing of Ice Maker AS Right side Remove 4 screws of Geared Motor Remove the Hou...

Page 47: ...owly Remove the screw cap on the F Louver A with a flat tip driver Removing and replacing Freezer parts Pull out smoothly the bracket F Lamp AS to remove Remove 3 screws of F Louver A Hold the end of...

Page 48: ...ing and replacing Freezer parts F Louver B Heater Housing D Sensor Housing 1st F Louver B Heater Housing 2nd None 3rd Defrost Heater Housing Temp Fuse Defrost Heater D Sensor Defrost Heater Temp Fuse...

Page 49: ...Y N N Make enough distance between heat appliances and refrigerator Y N N 9 2 2 Ice Formation on F Louver Dews are formed on the gasket surface inside F compartment Gasket has a gap between cabinet Do...

Page 50: ...t a flat tip screw driver Into a gap of door switch to pull forward Disconnect the housing and change the switch for a new one 9 2 3 Disconnection breaking of Freezer Lights Wires Freezer light filame...

Page 51: ...Sensor and check connector Y Y N N 9 3 1 Refrigeration failure Foods does not get cool or cold soon Any error mode on F PCB R Motor works OK R Motor is OK Wiring connection Is OK R Sensor is OK norma...

Page 52: ...nection of R door switch is OK 9 3 2 Disconnection Breaking of Refrigerator Lights Wires Change of F Lights Change of F Door Switch Follow the reverse order of disassembling after changing the light I...

Page 53: ...efore storing in the compartment Repair and change R motor Y N Y Y Y N N N N Explain not to open doors too long Y N N N Y 9 3 3 Dews on Refrigerator Compartment Dews are formed on the gasket inside R...

Page 54: ...ge the R check valve Change the R sensor Y N N Y Check the R sensor connection Check the connector to Main PCB N Y Refer to Repair Change of Check Valve Y 9 3 4 Excessive Refrigeration of Vegetable Ca...

Page 55: ...emove Lift up a piece of Check Valve Flap and insert a finger to the valve frame to hold out Removing of Check Valve Remove screws of light cover Hold the bottom of cover and pull forward to remove Di...

Page 56: ...arks Compressor sound is somewhat normal because it works like a heart to circulate the refrigerant in the pipes during the refrigerator operation Rattling or metallic touch sound of motor piston of c...

Page 57: ...the users or customers Remarks Water flowing sound hiss or sizzling sound can make while refrigerant in the pipes is changing from liquid to gas state when comp starts or stops It is normal to the re...

Page 58: ...ator 3 Shaking or trembling Sound of Evaporator 1 2 2 When such a sound is made attach a absorber on the tube including 2 welding points Attach a absorber on point accumulator 1 Check whether evaporat...

Page 59: ...Start Change the fan N Y Set it right not to touch Y N Set it right not to move Y N Change the motor assembly N Y Explain to the customers how fan is working to circulate cold air in the compartments...

Page 60: ...Fastening of Fan Motor 1 Check if fan motor frame of the assembly is fastened tightly with screws to the liner wall Unless it is tight vibration of shaking can make 1 Check if sealing sponge on the in...

Page 61: ...a much bent point on the pipe Start Separate the touching pipes if any N Y Apply cushion material between Comp base and Tray drip Y N Move or change the points of vibration absorber rubbers on the pi...

Page 62: ...or insertion to Main PCB is OK N Repair the defective connection Y Door switch itself is OK N Change the switch N Y Check it up Door switch is pushed well Y Attach a thin pad on the door liner or chan...

Page 63: ...ty Bombe mass cylinder refrigerant manifold gauge electronic scales punching off flier gas welding machine Weigh and control the bombe in a vacuum conditions with electronic scales and charge through...

Page 64: ...when repairing pipes and injecting refrigerant Replacement of drier 1 Remove retained refrigerant more than 5 minutes after turning off a refrigerator If not oil will leak inside 2 Remove retained ref...

Page 65: ...ter assembling a drier When replacing a compressor Weld and parts by blowing nitrogen to the low pressure side Note For other parts nitrogen blowing is not necessary because it does not produce oxidiz...

Page 66: ...e weight of refrigerant charged into the bombe by subtracting the weight of an evacuated bombe 4 Refrigerant charging Compressor Evaporator Dryer Condenser Vaccum Pump Hot Pipe Blue Yellow Red High Pr...

Page 67: ...ork 6 Pipe arrangement in each cycle 10 4 Standard Regulations for Heavy Repair 1 Observe the safety precautions for gas handling 2 Use JIG or wet towel in order to prevent electric wires from burning...

Page 68: ...r Welding Ag 35 Hot Pipe F R Evaporator Condenser I Pipe Accumulator Suction Pipe Dryer Capi Tube Pipe Suc Conn Pipe Conn B Compressor Flow of Refrigeration Cycle Compressor Pipe Conn B Wire Con Pipe...

Page 69: ...68 CABINET 11 1 Exploded View FRS N U20DA...

Page 70: ...69 MECH ROOM...

Page 71: ...70 R ROOM...

Page 72: ...71 F ROOM...

Page 73: ...72 F DOOR...

Page 74: ...73 R DOOR...

Page 75: ...7112401211 3011446000 30143D5060 7112401211 3010968400 7112401211 3011446100 3011446200 7051401065 3016042300 3012924300 3012924400 3000057710 Remark Q ty Part Name Part code No 3 SCREW TAPPING 28 4 S...

Page 76: ...11200500 3011834700 3018500200 3018500300 3015916100 3012021700 3014461510 3015402300 3013201700 3011181300 3811402200 3018129600 3010101480 3010101600 3016002500 3956145250 Remark Q ty Part Name Part...

Page 77: ...3012529800 3012529700 3011446700 3011114600 3011446600 7122401611 3012514600 3012514500 3017842900 3017842800 3018128600 3016002720 3015510800 Remark Q ty Part Name Part code No 2 ABSORBER MOTOR 91 1...

Page 78: ...3012520510 3010658100 3012517900 3012517800 3000025920 3012205600 3012013200 3010924600 7122401611 3011443200 3018921500 Remark Q ty Part Name Part code No 3 POCKET F AS 125 1 CAP ICE PATH FRAME 126 1...

Page 79: ...00020 3017903702 3011446500 3011446400 7112401211 3010339600 Remark Q ty Part Name Part code No 1 ASSY R DR 149 1 ASSY R DR URT 149 2 1 GASKET R DR AS 149 1 2 POCKET R S AS 148 2 POCKET R M AS 147 1 P...

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