Daewoo FRS-U20IV Page 40 Service Manual Download | Manualshive

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4. Disconnection / Breaking of Interior Lights Wire

4-1. Freezer Door

TROUBLE SHOOTING

Freezer light filament

is disconnected or

breaking?

Start

Change the light bulb

Connection of

Freezer door switch

Repair Door Switch

No

Yes

Yes

No

4-2. Refrigeraotor Door

Check the Door Switch

connection and light socket

Refrigerator light

filament is disconnected

or breaking?

Start

Change the light bulb

Connection of

refrigerator door

Repair Door Switch

No

Yes

Yes

No

Check the Door Switch

connection and light socket

connection and light socket

39

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Summary of Contents for FRS-U20IV

Page 1: ...f you need the latest parts information please visit and refer to PPL Parts Price List in Service Infromation Center http svc dwe co kr Aug 2011 Refrigerant Type R 134a FRS U20IV FRN U20IV FRN U20BV F...

Page 2: ...gerator Lamp 377 227 O 356 AC 220V 10W AC 220V 7W AC 220V 5W AC 220V 5W 175 531 FRU 54VF U20FV 604 618 O U20DV O x x U20BV Electronic Part Heater Sensor Feature x x 104 x 354 x FRU 57VB FRU 54VD Cooli...

Page 3: ...2 External Size SPECIFICATIONS 2...

Page 4: ...Refrigerator Shelf 9 Egg Tray 10 11 Refrigerator Case 12 Refreshment Pocket 3 2 Dispenser Models Homebar is option 1 3 4 5 6 7 8 9 10 11 12 13 2 14 1 Water Ice Dispenser 2 Freezer Pocket 3 Ice Storag...

Page 5: ...t Temp Initial Mode Freezer Refrigerator set medium 3 3 a b 3 FRZ SET button 1 Temperature control of freezer compartment 2 Initial power plug in Medium 3 Every time you press the FRZ SET button the s...

Page 6: ...ug in Medium 19C Every time you press the FRZ SET button the setting temperature changes below order 4 SUPER FRZ Button When this button press the QUICK and Speed icon is flicker 6 times and keep ON B...

Page 7: ...Quick refrigerator compartment button 2 Display Control 3 FRZ SET button 1 Temperature control of freezer compartment 2 Initial power plug in Medium 19C Every time you press the FRZ SET button the set...

Page 8: ...SPLAY_Dispenser Model 1 WATER CUBED ICE mode available 2 Every the button press the order is WATER CUBED ICE 3 The initial mode is WATER 9 ICE MAKER LOCK 1 Press the Dispenser button continue Press ag...

Page 9: ...Medium Max Max Temperature Medium 2 Refrigerator Compartment Control 1 Adjust by the pushing the REF SET button 2 Refrigerator Fan controlled by each mode ON OFF point 3 Freezer Compartment ON OFF Di...

Page 10: ...ress 3rd Press 4th Press 5th Press 6th Press Medium Display Medium Max Max Medium Min 19 20 Division Temperature 18 21 22 Min 16 17 6 SUPER FRZ QUICK Mode In this mode Compressor Freezer Fan motor is...

Page 11: ...TURE CONTROL Initially On 1st Press 2nd Press 3rd Press 4th Press 5th Press 6th Press Division 7 SUPER REF QUICK Mode This mode runs for 40 minutes Until the sensor reaches the Excess Refrigeration OF...

Page 12: ...n time off time is 60hours Any error happens R1 F1 D1 F3 RT Sensor C1 Door switch etc But F3 error happens then defrost mode start without Pre cool FUNCTIONS Defrost Mode Compressor runing Start Total...

Page 13: ...r 3 PAUSE After Defrost Heater switch OFF Compressor dosen t run within 7 minutes 4 FAN DELAY Freezer Refrigerator fan switch on after 5miunuts cmopressor running 3 Forced Defrost Mode 1 How to start...

Page 14: ...Error Display_Basic Model Display LED flicker Remark Freezer sensor disconnection or short Refrigerator sensor disconnection or short Room temperature sensor disconnection or short 3 4 5 6 7 8 All Er...

Page 15: ...5V normal If voltage is 0V short or 5V disconnect change new one FUNCTIONS Error Display_Basic Model 4 Defrost sensor error Cause Defrost sensor disconnection or short Check point Measure the resista...

Page 16: ...4 minutes automatically exit FUNCTIONS Error Display_Basic Model 4 Error Code No 1 2 3 4 5 6 7 8 9 10 11 All Error Code reset when the relative parts turn into normal r1 Refrigerator sensor disconnect...

Page 17: ...0 5 4 5V normal If voltage is 0V short or 5V disconnect change new one Error code display RT sensor is short RT sensor is disconneted 4 Defrost sensor error Cause Defrost sensor disconnection or shor...

Page 18: ...ls 2 After 4 minutes automatically exit 4 Error Code No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 F3 Return after defrosting abnormal or defective Co Pull Down mode display No error d2 Forced Defrost...

Page 19: ...Display 3 rt error Cause Room temperature sensor disconnection or short Check point Measure the voltage of sensor part on the Main PCB If voltage is 0 5 4 5V normal If voltage is 0V short or 5V disco...

Page 20: ...se When sensing ice drop 3 times in level sensor switch error Control Stop ice maker FUNCTIONS Error Display After 1 time rotation EA error code disappear if level swtich is normal 11 Eu error Cause S...

Page 21: ...mode In case test switch is abnormal test is done only 1 time 2 When the initial power input ice tray turns to be horizontal 3 Water supply hose heater control defrost heater linkage operation Heater...

Page 22: ...ice making completes 2 If Ice sensor temperature keep below 9 5C for 15 minutes ice making complete although the sensor is not below 12 5C 3 After 4 8hours ice making complete when ice sensor is abno...

Page 23: ...tion Adjust water quantity Normal Water flow pulse setting is 238 When controlled by the time maximum time limit is 15 seconds When the flow sensor is abnormal time limit is 5 5 seconds 5 Water supply...

Page 24: ...g its button If display switch makes error during operation of a mode its icon is OFF FUNCTIONS Dispenser Control_Dispenser Model 3 When Icemaker Lock button is ON the Lock LED turns ON and Cubed Ice...

Page 25: ...riority and delay function 4 Freezer Refrigerator and Dispenser Lamp Control 1 Refrigerator Lamp This lamp operates depending on Refrigerator door switch or Homebar door switch The lamp is automatical...

Page 26: ...erator sensor OFF point Normal sensor resistance 31 4kohm Cut the J18 and increase sensor resistance 33 4kohm FUNCTIONS Cut the J18 J19 and increase resistance 35 4kohm J1 Cut Cut Cut J2 1 5C down 3 0...

Page 27: ...OCK button 2 Press the Super Freezer Button 5 times while pushing the Freezer SET button 3 Push the Freezer SET button until display Fi Lt 4 Remaining time display when push the Dispenser button FUNCT...

Page 28: ...LOCK condition except Reset Water Filter Push the LOCK button Error Display FRZ SET SUPER FRZ 5 times Mode How to enter Forced Defrosting FRZ SET REF SET 5 times Pull Down REF SET SUPER FRZ 5 times M...

Page 29: ...1 Inner Basic Model 2 Basic Model WIRING DIAGRAM Refrigerant R 134a Type 3 Dispenser Model 28...

Page 30: ...1 Inner Basic Model 2 Basic Model WIRING DIAGRAM Refrigerant R 600a Type 3 Dispenser Model 29...

Page 31: ...screws Disassemble Guide Cab Water Tube A As Pull forward Ice Storage Case Unscrew to remove Cover Guide Cab 5 2 How to check the Hose Ice Maker Tube As Measure the resistane of two wire Good 9680 Oh...

Page 32: ...unscrew 4 points Remove 2 screws Check solenoid Motor 1 4 Procedure Procedure 2 2 How to check the Hose Ice Maker Tube As Separate 6 pin connector of Geared Motor 3 Good 11 3 Ohm 10 10 8 12 7 Ohm Defe...

Page 33: ...spenser Button and pull up 1 Pull out the Micro Switch Be careful not to damage the hook Procedure Procedure 2 Insert screw driver into bottom hole of Check both terminals Red circle with a Multi Test...

Page 34: ...Features are model dependent 2 How to check Dispenser Solenoid Valve 3 6 Unscrew and remove Solenoid Valve Features are model dependent Unscrew and remove Cover Ice Flap Unscrew to remove Box Dispense...

Page 35: ...nd level sensor 2 7 Pull out the Ice Maker 1 6 Procedure Procedure Level Sensor Full Ice Sensor 5 10 Separate Cover I M A from Cover I M B Remove Ice sensor from Case Icing Check if ice droping motor...

Page 36: ...tween 2 wires Ice Drop Motor Ice Sensor Good Tact Switch Terminal Result ON Close Connect Some value OFF Open Disconnect No value 0 If defective Change the Switch Good Tact Switch Terminal Result ON C...

Page 37: ...t power of SMPS is ON Check the plug connection from compressor room and to CN1 of Main PCB Yes No Yes No Main PCB Fuse is connected Voltage value on Main PCB is OK Wire connection of Front PCB is OK...

Page 38: ...es Yes No Freezer Compressor cooling Fan Temperature Fuse is OK Defrost Heater is OK Change the relative Motor Change the Fuse Left up side of Evaporator Change the Defrost Heater 250W No Yes No Yes N...

Page 39: ...et has a gap Door hang down Reassemble the door Yes Yes No Yes Door opening is too frquently Heat appliance are too close Watery or hot foods are stored in refrigerator Wipe out dews on the louver sur...

Page 40: ...ection of Freezer door switch Repair Door Switch No Yes Yes No 4 2 Refrigeraotor Door Check the Door Switch connection and light socket Refrigerator light filament is disconnected or breaking Start Ch...

Page 41: ...s No Yes Door opening is too frquently Heat appliance are too close Watery or hot foods are stored in refrigerator Advise to cool down foods enough wrap or cover foods with much water before storing i...

Page 42: ...rmal Freezer compartment is OK Check the sensor and connector Refer to Freezing Failure page No Yes No Yes Refrigerator gasket has gap Remove the gap of gasket No Gasket has any Door hang down Reassme...

Page 43: ...ark Refrigerator Foot level is ok Start Rubber absorber to hold compressor is distorted or aged Sound from compressor itself or vibration Adjust foot leveling Refer to User Manual Yes No No Change the...

Page 44: ...chanism and sound to the user or customer Water flowing sound hiss or sizzling sound can make while refrigerant in the pipes is changing from liquid to gas state when compressor starts or stops It is...

Page 45: ...to some degree In case compressor vibration is sent to a pipe directly apply vibration absorber rubbers to welding pionts of pipepe and comprssor or to a much bent piont on the pipe Remarks Apply cush...

Page 46: ...assmbly No Door switch is soaked with water or there is water in the switch Yes Yes Check if interior light is ON Change the door switch PCB input is OK Repair any disconnection of wires and defectiv...

Page 47: ...er and compressor Remove refrigerant Residuals Tools Contents Process Installation should be conducted in accordance with the standard installation procedure Leave space of more than 5 cm from the wal...

Page 48: ...00a Use of tools Precautions Items Process Compresso Evaporato Drye High Pressure Low pressure Suction Discharge tube Condense Hot 1 Nitrogen only should be used when cleaning inside of cycle pipes in...

Page 49: ...ischarge tube Condense Hot Evaporato When replacing a drier Weld 1 and 2 parts by blowing nitrogen 0 1 0 2kg cm2 to high pressure side after assembling a drier When replacing a compressor Weld 3 and 4...

Page 50: ...with a vacuum pump 3 Measure the amount of refrigerant charged Measure the weight of an evacuated bombe with an electronic scale Charge refrigerant into a bombe and measure the weight Calculate the we...

Page 51: ...le Standard Regulations for Heavy Repair a cover back M C after completion of work y 1 Observe the safety precautions for gas handling 2 Use JIG or wet towel in order to prevent electric wires from bu...

Page 52: ...COOLING CYCLE HEAVY REPAIR Brzing Reference Drawings 51...

Page 53: ...K WATER HDPE NATUAL HIVOREX 5200B 3013224830 HOSE I MAKER TUBE AS FRU 54QD 3012205810 FRAME I MAKER AS FRU 541D 3015402330 VALVE WATER AS FRU 54QD 3012519212 GUIDE CAB W TUBE A AS FRU 541D L1525 30199...

Page 54: ...How to install water line Dispenser models only 53...

Page 55: ...How to install water line Dispenser models only 54...

Page 56: ...B B C P M R E V O C 14 3013224800 1 x x D 1 4 5 U R F S A E B U T R E K A M I E S O H 15 3012519210 1 x x 5 2 5 1 L S A A E B U T W B A C E D I U G 16 3011444100 1 x x S P I H A T W B A C E D I U G R...

Page 57: ...T CODE PART NAME SPEC Q ty 3811402100 MK183 Series SAMSUNG COMP 3001410000 DG125E11RAW5 PANASONIC COMP 3016405020 250VAC 12 MK183D 3016405900 350VAC 5 MK183H MK183Q 3016406100 400VAC 5 HPL30YG 3016405...

Page 58: ...t SPEC PART NAME PART CODE NO 68 3017843321 SHELF INMOLDING R C AS FRAME PRINTED GLASS 1 1 1 69 3012514512 GUIDE CASE A L AS FR S580EG PP 1 1 1 70 3012514612 GUIDE CASE A R AS FR S580EG PP 1 1 1 71 30...

Page 59: ...DE G MOTR BRKT L ABS x 1 114 3012517900 GUIDE G MOTR BRKT R ABS x 1 3010671520 110 127V 60Hz 3010671540 220V 60Hz 3010671560 220 240V 50Hz 116 3012520510 GUIDE ICE CRUSHER L ABS x 1 117 3012517710 GUI...

Page 60: ...x 1 3015402100 220V 60HZ 3015403120 110 127V 60z 3015403000 220 240V 50Hz 136 8 3016304941 BUTTON DISPNS AS ABS AL x x 1 136 9 3018125800 SWITCH MICRO VP333A 2D x x 1 136 10 3017903702 SOCKET LAMP AS...

Page 61: ...X 161 1 3012318930 GASKET R DR AS PVC MAGNET 1 1 161 2 3012319300 GASKET H BAR B AS PVC x 1 161 NO ASSY F DR Q ty Refrigerator Door SPEC PART NAME PART CODE 161 2 3012319300 GASKET H BAR B AS PVC x 1...

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