Smeg GW-L227 Скачать руководство пользователя страница 39

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TROUBLE DIAGNOSIS

Main

PCB

Water Mode Doesn’t work

PILOT Valve

Main

PCB

CON3

Water Valve

Housing-A

Housing-B

Lever S/W

Wiring diagram

CON5

Is the connection loose?

Yes

Reconnect

Yes

Water

Mode,

Is the voltage between
pin1 of CON5 and pin7 of
CON3 like as below, while
pushing the lever switch?

230 V

pin1 To pin7

Pushing

Normal

Level switch

0 ~ 2V

pin1 To pin7

Result

Test Point

Output voltage of PILOT Valve

Replace
Main PCB

CON3

CON4

Pin1

CON3

Pin7

CON5

Содержание GW-L227

Страница 1: ...CAUTION PLEASE READ CAREFULLY THE SAFETY PRECAUTIONS OF THIS BOOK BEFORE CHECKING OR OPERATING THE REFRIGERATOR SERVICE MANUAL http biz lgservice com Ref No GW L227 Ref No GW P227 ...

Страница 2: ...SPENSER WORKING PRINCIPLES AND REPAIR 48 WORKING PRINCIPLES 48 FUNCTION OF ICE MAKER 49 ICE MAKER TROUBLESHOOTING 52 TROUBLE DIAGNOSIS 54 TROUBLE SHOOTING 54 FAULTS 64 COOLING CYCLE HEAVY REPAIR 81 HOW TO DEAL WITH CLAIMS 88 HOW TO DISASSEMBLE AND ASSEMBLE 93 DOOR 93 HANDLE 94 SHROUD GRILLE FAN 94 ICEMAKER 94 WATER VALVE DISASSEMBLY METHOD 95 FAN and FAN MOTOR DISASSEMBLY METHOD 95 DISPENSER 96 HO...

Страница 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 check the evidence of moisture intrusion in the electrical components Replace the parts or mask it with insulation tapes if moisture intrusion was confirmed 10 Do not touch the icemaker with hands or...

Страница 4: ...NSER Wire Condenser DRIER ID 0 83 CAPILLARY TUBE MOLECULAR SIEVE XH 7 1 Ref No GW P227 L227 C227 B227 ITEMS SPECIFICATIONS FIRST DEFROST 4 5 Hours DEFROST CYCLE 13 15 Hours DEFROSTING DEVICE Heater Sheath ANTI SWEAT HEATER Dispenser Heater Home Bar Heater ANTI FREEZING HEATER Damper Heater FREEZER LAMP 40W 1 EA REFRIGERATOR LAMP 40W 1 EA or 40W 2 EA REFRIGERANT R134a 180g GW P227 V R600a 78g LUBRI...

Страница 5: ...awer Shelf or Drawer Door rack Drawer 2 or 3 Door rack Lower cover Shelf Refreshment center Optional Can Server Optional Egg Box Vegetable Drawer 1 or 2 Door Rack Wine holder Plastic or wire Door Rack Conversion switch Meats Vegetables Optional Drawer Snack drawer Optional Shelf Folding or Normal Miracle Zone Optional Fresh compartment Optional Humidity switch 1 Ref No GW P227 L227 INTERNAL FILTER...

Страница 6: ...Drawer Door rack Drawer 2 or 3 Door rack Lower cover Shelf Refreshment center Optional Can Server Optional Egg Box Vegetable Drawer 1 or 2 Door Rack Wine holder Plastic or wire Door Rack Conversion switch Meats Vegetables Optional Drawer Snack drawer Optional Shelf Folding or Normal Miracle Zone Optional Fresh compartment Optional Humidity switch Cover PWB Home Bar Ice Water Dispenser Button L227 ...

Страница 7: ...r than that of refrigerator compartment 2 If the height of freezer door is higher than that of refrigerator compartment Insert a driver B into the groove A of adjusting screw and rotate driver in arrow direction clockwise until the refrigerator becomes horizontal Insert a driver B into the groove A of adjusting screw and rotate driver in arrow direction clockwise until the refrigerator becomes hor...

Страница 8: ... or Internal Filter Models HOW TO INSTALL REFRIGERATOR 9 1 x Connector type Water Filter 2 x Clips 1 x 8mm Water Pipe Plastic Pipe Connector Rubber Washer At the back of the appliance you will see the water inlet valve See Fig A You now need to cut the water pipe to the right lenght for connection of the water filter It is suggested that approximately 1 5mm of pipe is used this should allow the fi...

Страница 9: ...let press the water dispenser button for 2 3 minutes and confirm that the water comes out 2 Check leakage at connecting part then arrange water tube and locate the refrigerator at its regular place if there is no leaking HOW TO INSTALL REFRIGERATOR 10 Note the direction markings on the filter Repeat on the other end of the filter using the remainder of the water pipe See Fig H Cut the pipe that is...

Страница 10: ...ing out and any leakage Caution If feed tube is more than 4m less water will come out due to pressure drops Use standard feed tube to prevent leaking Outternal Filter 1 Filter Fixation 1 Connect feed tube to the filter outlet and water valve connecting tube 2 Fix the filter at proper place around the sink where it is easy to replace the filter and to receive the cleaning water Please consider the ...

Страница 11: ...by turning it clockwise by 90 degrees Note Check that the guideline and the fastening indication line are aligned 2 Replacement of water filter While holding the lower part of the filter turn it counterclockwise a by 90 degrees and pull it down Note Check that the guideline and the loosening indication line are aligned After installing water filter Reassemble the lamp cover and the top shelf of th...

Страница 12: ...low 2 The bell rings ding dong and ice tray rotates and water comes out from the icemaker water tube 3 The water shall be supplied two or three times into the tray The amount of water supplied for each time is small Put a water container under the ice tray and press test switch 4 When ice tray rotates the water in it will spill Collect the spilt water and throw away into the sink 5 When ice tray h...

Страница 13: ...together decrease the water supplying time This happens when too much water is supplied into the ice tray Caution When adjusting the amount of water supplied adjust step by step Otherwise the water may spill over 3 When adjustment of control switch for the amount of water supplied is complete check the level of water in the ice tray HOW TO INSTALL REFRIGERATOR 14 Driver Switch ON Switch OFF Confir...

Страница 14: ...re adjustmentbutton for refrigerator compartment Temperature adjustment button for freezer compartment Dispenser selectionbutton Lock button 3 seconds Dispenser selection button Lock button 3 seconds Temperature adjustment button for freezer compartment Express freezer Temperature adjustment button for refrigerator compartment ...

Страница 15: ...his mode is same as the activation methods The mode inactivates when resetting the power 3 Exhibition Mode This function is available when exhibiting a refrigerator in the shopping mall Function is inserted with recognition sound Ding if opening the refrigerator or freezer door and pressing both the Express FRZ button and the REFRIGERATOR button at the same time for more than 5 seconds If function...

Страница 16: ... following sequence Power Initially On 88 LED 1st Press 2nd Press 3rd Press 4th Press 5th Press 7th Press 6th Press 8th Press Power Initially On 1st Press 2nd Press 3rd Press 4th Press 5th Press 6th Press F R Power Initially On 1st Press 2nd Press 3rd Press 4th Press 5th Press 7th Press 6th Press 8th Press Division Type 1 88 LED Change of Indication Lamp 19 C 3 C 20 C 2 C 21 C 1 C 22 C 0 C 23 C 6 ...

Страница 17: ...t 2 4 Express freezing 1 Express freezing is function to improve cooling speed of the freezing room by consecutively operating compressors and freezing room fan 2 Express freezing is released if power failure occurs and then returns to the original status 3 Temperature setting is not changed even if selecting the express freezing 4 The change of temperature setting at the freezing room or the cold...

Страница 18: ...OFF control by linking with the COMP 2 It controls at the single RPM without varying RPM 3 Failure sensing method is same as in fan motor of freezing fan motor refer to failure diagnosis function table for failure display 2 7 Door opening alarm 1 Buzzer generates alarm sound if doors are not closed even when more than a minute consecutively has passed with doors of freezing cold storage room or ho...

Страница 19: ... movement If error occurs during operation initial operation is not done Sequence of load operation when closing F room and R room If pressing switch once more in the test mode 2 or temperature of a frost removal sensor is more than 5 C it immediately returns to the test mode for initial operation COMP operates after 7 minutes When temperature of a frost removal sensor becomes less than 45 C In po...

Страница 20: ...TROUBLE DIAGNOSIS 1 1 Error Code Summary MICOM Error Code WARNING When you check the Resistance values be sure to turn off the power And wait for the voltage discharge sufficiently ...

Страница 21: ...sor Error Is the connection loose CON7 Replace F sensor No Main PCB white white F Sensor CON7 1 2 Wiring diagram Yes 1 4 120 Pin1 to pin2 Result Test Point Reconnect Reconnect CON7 and Power ON Power Off Tip To protection of MICOM 1 2 Troubleshooting With Error No Yes Pin2 Pin1 If the same situation appears Repla ce the main PCB Otherwise explain to the customer ...

Страница 22: ...es Refrigerator Sensor Error Is the connection loose CON8 No Yes 6 300 Pin5 to Pin 6 Result Test Point Reconnect Reconnect CON8 and Power ON Power Off Tip To protection of MICOM No Yes Main PCB white white R1 Sensor CON8 5 6 Wiring diagram Replace R sensor Pin5 Pin6 If the same situation appears Repla ce the main PCB Otherwise explain to the customer ...

Страница 23: ...COM Replace a D Sensor 1 156 141 5 Pin1 to pin2 Result Test Point Reconnect and Power ON Housing A Main PCB BO BO D Sensor 3 4 2 1 CON7 7 6 BO BO Wiring diagram Disconnect CON6 and measure the value Is resistance value between pins 3 4 of CON7 as below BO to BO 6 300 Pin3 to Pin 4 Result Test Point No Yes Replace D_Sensor Pin3 Pin4 Pin1 Pin2 If the same situation appears Repla ce the main PCB Othe...

Страница 24: ...Enter the TEST 1 MODE Is the voltage value between pins 6 BL WH and 5 BN of CON3 0 V AC Replace MAIN PCB No Yes Defrost Heater Error Main PCB BN BL WH FUSE M CON3 5 6 DEF Heater Housing A BO D Sensor 3 4 BO 2 CON7 BO BO 9 8 BN BL BK 1 2 7 6 1 2 1 BK Wiring diagram Relay Open Relay operation Is it displayed under picture Yes Reconnect 0 2V Pin5 To Pin6 Result Test Point CON3 CON7 Pin6 Pin5 Pin6 Pin...

Страница 25: ...Is the resistance value of heater like as below 2 BO 1 BO Heater Resistance Open or Short of Fuse M Yes Defrost Sensor Resistance Is the resistance value of DEF sensor like as below It depends on the temperature Replace Heater Replace DEF sensor Is the resistance value between pins 6 BL WH and 5 BN of CON3 like as below Normal No Yes Resistance 180 230 Ω Pin5 To Pin6 Result Test Point Pin1 0 10 20...

Страница 26: ... Main PCB BL CON7 10 12 11 5 4 3 YL PR F FAN 1 2 3 RD PR BK Wiring diagram Freezer Fan Voltages Feedback Voltages Yes Freezer Fan Error Reset and Enter the TEST 1 MODE Is the output voltage betwe en pin11 and pin12 of CON6 like as below Is it displayed under picture Yes Replace Main PCB Pin10 Pin11 Check fan motor Connector Frozen Locked N0 Yes Does the cold air come out of the top of the main duc...

Страница 27: ... To pin8 Result Test Point Condenser Fan Voltages Yes Reset and Enter the TEST 1 MODE Is the output voltage between pin7 and pin8 of CON6 like as below Pin7 Pin8 No Yes Is the feedback voltage between pin8and pin9 of CON7 like as below from motor to main board 1 4 V Pin8 To pin9 Result Test Point Feedback Voltages Replace Main PCB Pin8 Pin9 Check fan motor Connector Locked mouse N0 Yes Is the cond...

Страница 28: ...SPLAY PCB 3 4 5 6 Hinge RD Rx BN Tx BO GND WH BK 12V RD Tx BN Rx BO GND WH BK 12V 1 4 2 3 4 3 2 1 CON6 CON101 1 4 2 3 Rx Receiver Tx Transmitter Wiring diagram 0 V or 5 V pin2 To pin3 Result Test Point Receiver fail Voltages N0 Is Er CO displayed Yes Display PCB Is the voltage between pin1 and pin3 of CON101 0 V or 5 V Yes 0 V or 5 V pin1 To pin3 Result Test Point Transmitter Voltages N0 Replace t...

Страница 29: ...on loose No Yes 0 V or 5 V pin4 To pin6 Result Test Point Receiver Voltages Main PCB Is the voltage between pins 4 and pin 6 of CON6 0V or 5V No Reconnect Yes 0 V or 5 V pin4 To pin5 Result Test Point Transmitter Voltages Main PCB Is the voltage between pin4 and pin5 of CON6 0 V or 5 V No Pin4 Pin6 Replace the Main PCB Pin4 Pin5 ...

Страница 30: ...to GY Yes Is the connection loose CON8 It can be occurred Replace the main PCB Otherwise explain to the customer Replace a R2 Sensor No Yes 6 300 Pin7 to pin8 Result Test Point Reconnect Reconnect CON8 and Power ON Power Off Tip To protection of MICOM No Yes Refrigerator2 Sensor Error Main PCB GY GY R2 Sensor CON8 7 8 Wiring diagram Pin7 Pin8 ...

Страница 31: ... to GY Yes Is the connection loose CON6 It can be occurred Replace the main PCB Otherwise explain to the customer Replace a WT Sensor No Yes 6 300 Pin9 to pin10 Result Test Point Reconnect Reconnect CON5and Power ON Power Off Tip To protection of MICOM No Yes Water Tank Sensor Error Main PCB GY GY WT Sensor CON6 10 9 Wiring diagram Pin10 Pin9 ...

Страница 32: ...to GY Yes Is the connection loose CON10 It can be occurred Replace the main PCB Otherwise explain to the customer Replace a ICE Sensor No Yes 1 4 120 Pin1 to pin2 Result Test Point Reconnect Reconnect CON10 and Power ON Power Off Tip To protection of MICOM No Yes Ice Maker Sensor Error Main PCB GY GY ICE Sensor CON10 2 1 Wiring diagram Pin2 Pin1 ...

Страница 33: ...n to the customer Replace the Main PCB N0 Yes No 5 12 V pin9 To pin10 Result Test Point Yes No Wiring diagram Motor Receiver Voltages Yes Ice Maker KIT Error Is the voltage between pins 9 and pin 10 of CON10 5V 12V Is it displayed under picture Yes Motor Main PCB RD WH CON10 10 9 V Pin10Pin9 Replace ICE Maker Unit ...

Страница 34: ... 3 Is the connection loose CON3 4 Reconnect No Yes Output voltage of auger motor Replace Main PCB In Crush Mode Is the voltage between pin2 of CON5 and pin11 of CON3 like as below while pushing the lever switch 230 V pin1 To pin11 Pushing Normal Level switch 0 2V pin1 To pin11 Result Test Point Pin1 CON3 Crush Mode Doesn t work 1 3 Troubleshooting Else CON3 CON4 Pin11 CON5 ...

Страница 35: ...he resistance value between 1 and 2 of the Auger motor like as below Replace Auger Motor 1 2 No Yes Is the resistance between 1 and 2 of the Dispenser solenoid like as below 283 328 Ω 1 To 2 Result Test Point Resistance of Dispenser solenoid Replace Dispenser Solenoid 1 2 No Yes Is the condition of the micro switch like as below Replace Micro Switch After plug in explain to the customer Infinity N...

Страница 36: ...w while pushing the lever switch 230 V pin1 To pin10 Pushing Normal Level switch 0 2V pin1 To pin10 Result Test Point Relay open of cube solenoid Replace Main PCB Housing A PR 10 CON3 WH Housing B CUBE Solenoid S SB Auger Motor 1 2 2 1 11 V Lever S W 1 WH BL SB BL CON5 2 3 Wiring diagram 2 4 Dispenser PCB Housing C 5 DISP Solenoid S 1 2 BL Housing C RD 5 3 Pin1 CON3 Pin10 CON5 ...

Страница 37: ...ult Test Point 1 2 No Yes Output voltage of auger motor Replace Main PCB In Crush Mode Is the voltage between pin2 of CON5 and pin11 of CON3 like as below while pushing the lever switch 230 V pin1 To pin11 Pushing Normal Level switch 0 2V pin1 To pin11 Result Test Point Pin1 CON3 Pin11 CON5 No Yes In Crush Mode Is the voltage between pin1 and pin5 of CON5 like as below while pushing the lever swit...

Страница 38: ... Micro Switch After plug in explain to the customer Infinity Normal 0 Ω Push the Lever Tester Status 1 2 No Yes Is the resistance between 1 and 2 of the Dispenser solenoid like as below 283 328 Ω 1 To 2 Result Test Point Resistance of Dispenser solenoid Replace Dispenser Solenoid 1 2 ...

Страница 39: ...r S W Wiring diagram CON5 1 Is the connection loose Yes No Reconnect No Yes In Water Mode Is the voltage between pin1 of CON5 and pin7 of CON3 like as below while pushing the lever switch 230 V pin1 To pin7 Pushing Normal Level switch 0 2V pin1 To pin7 Result Test Point Output voltage of PILOT Valve Replace Main PCB CON3 CON4 Pin1 CON3 Pin7 CON5 ...

Страница 40: ...ing resistance of Water Valve Replace Water valve After plug in explain to the customer No Yes In Water Mode Is the voltage between pin1 of CON5 and pin8 of CON3 like as below while pushing the lever switch 230 V pin1 To pin8 Pushing Normal Level switch 0 2V pin1 To pin8 Result Test Point Output voltage of Water Valve Replace Main PCB Pin1 CON3 Pin8 CON5 ...

Страница 41: ...n2 To Pin12 Closed Open Door 230 V Pin2 To Pin12 Result Test Point Yes No 1 2 Is the condition of the freezer door switch like as below Yes 0 Ω Normal Infinity Push the Switch Tester Status Freezer lamp Doesn t work No Yes Voltage of Door switch No voltage of Freezer lamp Replace Door switch Replace Lamp Replace Main PCB Main PCB RD RD F DOOR Switch CON7 5 Housing RD RD 12 F Lamp 1 2 BO BL CON3 Wi...

Страница 42: ...N8 Reconnect 5 V Pin3 To Pin4 Closed Open Door 0 V Pin3 To Pin4 Result Test Point Yes No 0 2 V Pin1 To Pin3 Closed Open Door 230 V Pin1 To Pin3 Result Test Point Yes No 1 2 Is the condition of the Refrigerator door switch like as below Yes 0 Ω Normal Infinity Push the Switch Tester Status No Yes Voltage of Door switch No voltage of Refrigerator lamp Replace Door switch Replace Lamp Replace Main PC...

Страница 43: ...Result Test Point Feedback voltage of F fan Replace Main PCB Replace Main PCB Pin12 Pin11 Pin10 Pin11 Does the cold air come out of the top of the main duct Yes No Check the Damper itself Enter the TEST 1 MODE Does not cold air come out of the top of the main duct No Yes Check the Damper itself Checking Damper itself Is the resistance Values between 1 4 2 3 like as below No 369 451 Ω 1 To 4 369 45...

Страница 44: ...replacing RCR1 2 Compensate with Jump wire cutting Colder 1 5 deg 3 3 Remark Temp Compension RCR1 2 5 deg 470 Ω 2 0 deg 2 0 1 0 deg 5 6 0 5 deg 8 2 Current 0 deg 10 Cutting of jumper wire 1 0 deg JCR4 Cutting both jumpers affords a 2º temperature compensation 1 0 deg JCR3 Temp Compensation JUMP WIRE ...

Страница 45: ...e resistance Values between 1 4 2 3 like as below No 369 451 Ω 1 To 4 369 451 Ω 2 To 3 Result Test Point Replace Damper Resistance of Damper 4 YL 2 WH 1 RD 3 BL After reset the unit take steps to PCB as follows for temperature compensation 1 Compensate with replacing RCR1 2 Compensate with Jump wire cutting 0 5 deg 12 Remark Temp Compension RCR1 0 deg 10 1 0 deg 18 1 5 deg 33 Colder 2 0 deg 56 Cur...

Страница 46: ...hould put in the TPA again TEST BUTTON 3 How To Start Test Mode Push the TEST button on the Main PWB You can start the TEST MODE 1 time Comp Damper All FAN on All things displayed 2 Wire Color BL Blue WH White BO Bright Orange BK Black BN Brown PR Purple RD Red GN Green SB Sky Blue GY Gray 2 times Damper closed ...

Страница 47: ...here is ice in the ice bank 7 In case of water mode when dispenser button is pressed water valve opens and water is supplied if water valve is normally installed on the right side of the machine room 8 Ice and water are not available when freezer door is open ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 24 Level Ice Maker Cube Mould for Initial Control after power is input Power Input Ini...

Страница 48: ...e amended time If DIP switch is changed during water supply water shall be supplied for the previous setting time But it will supply for the amended time from the next supply 4 When water supply signal is applied to water and ice valves at the same time during water supply water shall be supplied to water valve If water supply signal is applied to ice valve during water supply water shall be suppl...

Страница 49: ...hen ice ejection motor rotates in normal direction If there is no change in Hall IC signals within 1 minute after ice ejection motor operates ice ejection motor stops as ice ejection motor or hall IC is out of order 5 If ice ejection motor or Hall IC is abnormal ice ejection motor rotates in normal direction to exercise initial operation It resets the ice maker if ice ejection motor or Hall IC is ...

Страница 50: ... When test function performs normally buzzer sounds and water supply shall carry out Check it for repair if buzzer does not sound 4 When water supply is completed the cycle operates normally as follows Ice making Ice ejection Returning to horizontal conditions Water supply 5 Remove ice from the ice maker cube mould and press test switch when ice maker cube mould is full of ice as ice ejection and ...

Страница 51: ...oting check Failed Ice Maker Unit Is the resistance of both ends 9 10 of ice ejection motor of CON8 between 18 and 22Ω Is ice ejection motor drive circuit IC11 and peripheral circuits normal Defects between Hall IC and Board Pin No 42 of IC1 Confirm ice ejection and level return when pressing test switch Replace Ice Maker Unit Replace Main PWB Are ice ejection and level return normal when test swi...

Страница 52: ...ion motor drive circuit IC11 and peripheral circuits normal Defects between Hall IC and Board Pin No 46 of IC1 Confirm ice ejection and level return when pressing test switch Replace Ice Maker Unit Replace Main PWB Are ice ejection and level return normal when test switch is pressed for more than 0 5 second Does the bell sound once Failed ice maker unit test switch Are both ends 5 6 of CON8 test s...

Страница 53: ...rminal Bad connection between plug and adapter faulty plug The distance between pins Pin outer diameter No power on power cord O L P is off No electric power on compressor Faulty compressor Faulty PTC Disconnectedcopperwire Internalelectricalshort Faultyterminalcontact Disconnected CapacityofO L Pissmall CharacteristicsofO L Pisbad Badconnection Poweris disconnected InnerNi Crwireblowsout Badinter...

Страница 54: ...aveitintheair Moisturepenetration intotherefrigerationoil Capsaremissed Airblowing Duringtransportation Duringwork Notperformed Performed Tooshorttime Lowairpressure Lessdryair AirBlowing Leaveitintheair Capsaremissed Shortpipeinsert Pipegaps Toomuchsolder Toolarge Damagedpipes Notdriedinthecompressor Elapsedmorethan6monthsafterdrying Capsaremissed Nopressurewhenitisopen Duringresttime Afterwork C...

Страница 55: ... Foreignmaterials penetration Capdrainisnotdisconnected Injectthroughthe hole Sealwithdrain P Ulumpinput Screwinput Otherforeignmaterials input Parts disconnected Wireiscut Leadwire Heatingwire Contactpoint betweenheatingand electricwire Dentbyfineevaporator Heatingwireiscorroded Waterpenetration Badterminalconnection Check visually Check terminal Conduction OK No conduction NG If wire is not cut ...

Страница 56: ...ocation thickness Structuralfault Gasketgap Airinflowthroughthefanmotor Badinsulationofcasedoor SheathHeater rated Heaterplate rated Gap Badattachment Contraction Badadhesion Weakbindingforceathinge Fanmotor Doorswitch Selflocked Wireiscut Badterminalcontact Contactdistance Buttonpressure Meltedcontact Contact Poordoor attachment Doorliner dimension Contractioninner liner Misalignment Badterminal ...

Страница 57: ...nis constrained Insufficient motorRPM Faultyfan Shorud Bent Iceandforeignmaterialsonrotatingparts Fanshroudcontact Clearance Dampingevaporatorcontact Accumulatedresidualfrost Fanmisuse Badshape Looseconnection Nottightlyconnected Insertdepth Ratingmisuse Smallcapacity Lowvaltage Malfunctionofchargingcylinder Wrongsettingofrefrigerant Insufficientcompressor Faultycompressor Fanoverload Fanmisuse Ba...

Страница 58: ...rials P U dump liquid Faulty contact Faulty temperature characteristics External air inflow Rubber motor assembly direction reverse Door opens but not closes Gap around gasket Contraction distortion loose door twisted corner not fully inserted Food vapor Storing hot food Unsealed food Door opens but not closes Gasket gap Cool air leak and transmitted Highambienttemperature Spaceissecluded Differen...

Страница 59: ...or compartment operating sounds Compressor sound Sound from machine itself inserted Sound from vibration Restrainer Rubber Too hard seat Distorted Aged Burnt Stopper Bad Stopper Not fit assembly inner diameter of stopper Tilted Not Compressor base not connected Bad welding compressor stand fallen Foreign materials in the compressor compartment O L P sound Chattering sound Insulation paper vibratio...

Страница 60: ...wnfault Coregap Badconnection Correctscrewconnection Badassembly Distortion Foreignmaterialsinside Badconnection Partlydamaged Notconnected Badpipecaulking Normaloperatingsound Vibrationsound Agedrubberseat Badtorqueforassemblingmotor bracket Fanguidecontact Shroudburrcontact Dampingevaporatorcontact Residualfrostcontact Unbalance Iceonthefan Airintake oppositetomotor rubberassembly Supporterdisor...

Страница 61: ...avlel distance Bad connection Bad terminal contact P U liquid leak 1 Lead wire is damaged Wire damage when assembling P T C Cover Outlet burr in the bottom plate Pressed by cord heater lead wire evaporator pipe 2 Exposed terminal Compressor Compartment terminal Touching other components Freezer compartment terminal Touching evaporator pipe 3 Faulty parts Transformer Coil contacts cover Welded term...

Страница 62: ...tweendoorlinerandinnerliner Refrigerator compartmentis openedwhenfreezer compartmentis closed faultystopper High Faultydampercontrol Buttonissetat weak Doorisopen interferenceby food Nodeodorizer Poorcapacity Sealcondition Storespecialodorousfood Longtermstorage Odorsfromchemicalprocucts Biggerdoorfoam Hinge Pintilted Poorflatness Nowasher Nogreaseandnotenough quantity Stopperwornout Badfreezercom...

Страница 63: ...and products Replace with rated fuse Electricity leakage Check the resistance of power cord If fuse blowns out High voltage with testerf if it is 0Ω it is shorted frequently reconfirm Short circuit of components the cause and prevent tracking due to moisture and dust penetration Problems Causes Checks Measures Remarks Compressor Faulty PTC Check the resistance If resistance is infinite replace it ...

Страница 64: ...tton faulty operation Confirm icing causes and repair switch operation Press button to check Replace door switch Faulty button pressure and contact Press button to check operation Door cannot press door switch Door sag fix door button Check visually Door liner bent replace door or attach sheets Bad radiation conditions in Check the clearance between the Keep clearance between The fan may be compre...

Страница 65: ...pressure side 3 Check silver soldered parts Cu Fe Fe Fe 4 Check bending area of wire condenser pipe in compressor compartment cracks can happen during bending 5 Check other parts compressor compartment and evaporators in freezer compartment Shortage of refrigerant Check frost formation on the surface Find out the leaking area repair Drier must be replaced of evaporator in the freezer evacuate and ...

Страница 66: ...weld If it is warm it s OK joints might be clogged If it is not condenser outlet weld Disconnect with torch remove the joints might be colgged causes evacuate and recharge seal refrigerant Leak at loop pipe weld joint Check sequence Replace the compressor weld Drier must be replaced discharge in compressor 1 Manually check whether evacuate and recharge refrigerant condenser is warm It is not warm ...

Страница 67: ...purities by inserting are clogged of ice insert the copper line copper wire Turn off more than 1 Impurities through the hole to check 3hours and pour in hot water if 2 Ice 2 Put hot water into the drain frost is severe check drains outside 2 Put in hot water to melt down frost 3 Check the water outlet 4 Push the heater plate to sucking duct manually and assemble the disconnected parts Gap between ...

Страница 68: ...by inserting soft copper 3 Reassemble the heater plate wire into the duct soft and thin copper not to impair heating wire Bad cool air inflow and discharge 1 Turn on power open or close the 1 Check the faulty connector of and bad defrosting due to faulty door check that motor fan housing and reassemble wrongly contact and insertion bad connector operates If it operates motor fan assembled parts in...

Страница 69: ...sket attachment Replacement should compartment Check door assembly conditions conditions and replace it be done when it Faulty gasket Door assembly and replacement cannot be repaired Faulty assembly 3 Overcooling in the refrigerator Check refrigerator compartment Replace faulty parts compartment is overcooled when button Faulty damper in the refrigerator pressed on weak compartment Check parts are...

Страница 70: ...rtment door Check gasket attachment Correct the gasket attachement Replace when it can not Icing in the Faulty gasket conditions conditions and replace it be repaired shute Faulty assembly Check door assembly conditions Door assembly and replacement 3 Over freezing in the freezer Refrigerator operates pull down Replace defective parts compartment Check if it is operated Faulty MICOM intermittently...

Страница 71: ...inserting 6 Adjust fan to be in the center of conditions in pipes bell mouth of the fan guide 2 3 Touch pipes with hands or screw 7 Leve a clearance between driver check the change of interfering parts and seal gaps in sound the structures 8 Reassemble the parts which make 3 Fan operation sound in the freezer 3 1 Check fan insertion depth and sound compartment blade damage 9 Leave a clearance if e...

Страница 72: ...on with rubber 4 Moving wheel vibration 2 2 Check capillary tube touches and restrainer if it is severe 5 Other structure and parts cover back especially compressor and pipe vibration 3 1 Check compressor stopper 4 Replace compressor stopper if it vibration vibtates severely 4 1 Check vibration of front and rear moving wheels 5 1 Touch other structures and parts Irregular sound 1 It is caused by h...

Страница 73: ...in the principles of freezing cycles Water boiling or It happens when refrigerant passes Check the sound when compressor is Explain the principles of freezing cycles flowing sound orifice in accumulator internal pipes by turned on and refrigerant flowing phenomenon by the pressure difference between Check the sound when compressor is internal pressure difference condenser and evaporator turned off...

Страница 74: ...yl wraps Chedk food cleanliness Clean the refrigerator and set button at strong Plastic Odor Odors of mixed food and plastic Check wet food is wrapped with Clean the refrigerator odors plastic bowl and bag Persuade customers not to use It happens in the new refrigerator plastic bag or wraps with wet food or odorous foods Odor from the Odor from the old deodorizer Check the deodorizer odors Dry the...

Страница 75: ...812 7805 terminals circuit in circuit explanation PCB electric terminal Check fuse in PCB electric Replace PCB fuse fuse is burnt out terminal with a tester STR Parts are Check if STR No 2 and 3 pins Replace parts Applicable to damaged are cut when power is off model with dispenser Abnormal Bad connection Lead Wire connecting Check Lead Wire terminals Reconnect Lead display LED between Main PCB ma...

Страница 76: ...aracteristics table of sensor in circuit Freezer sensor is Confirm the color of sensor in Repair main PCB explanation substituted for other circuits main PCB sensor sensor housing sensor housing Defective freezer fan Fan motor lead wire Check fan motor lead wire Reconnect lead motor is cut with a tester wire Defective door switch Measure the voltage between Replace door Refer to load freezer refri...

Страница 77: ...n Foreign materials in AC Check AC damper baffle Remove foreign damper baffles visually materials Ice formation on AC Check if AC damper Heater Replace AC damper damper baffles wire is cut with a tester or refrigerator control Box Assembly Defective refrigerator Defective refrigerator Check the resistance of Replace refrigerator Refer to sensor sensor sensor parts refrigerator sensor with a tester...

Страница 78: ...Defective Buzzer Defective connecting lead wire from Check lead wire related to door Repair lead wire buzzer continuously main PCB to door switch switch with a tester rings or door Defective door switch parts Refer to door switch in parts repair Replace door switch opening alarm guide does not work Defective Buzzer does Key input wire is cut or bad connector Check input wire with a tester Reconnec...

Страница 79: ...ead Wire associated with lever Repair lead wire dispenser are not Main PCB to lever switch switch with a tester dispensed Defective lever switch parts Refer to door switch in parts repair guide Replace lever switch Defective photo coupler IC parts Check voltage change at photo coupler Replace photo output terminals with lever switch coupler IC or PCB pressed It is OK if voltage change is between 0...

Страница 80: ...cuum Torr Below 0 03 ref Note Only applicable to the model degree equipped with reverse flow protect plate Vacuum EA High and low Vaccum efficiency can be improved by Pressure sides are operating compressor during evacuation evacuated at the same time for models above 200 Vacuum EA Use R134a To protect The rubber pipes for R12 refrigerant shall piping exclusive mixing of be melted when they are us...

Страница 81: ...e refrigerator operates scales punching off flier Weld carefully after inlet pinching gas welding machine Check leak at weld joints Electronic Leak Detector Minute leak Use electronic leak detector Driver Ruler Big leak Check visually or fingers Note Do not use soapy water for check Check cooling capacity Check radiator manually to see if warm Check hot line pipe manually to see if warm Check fros...

Страница 82: ...leak will happen 3 Replacement of drier 1 Be sure to replace drier with R134a only when repairing pipes and injecting refrigerant 4 Nitrogen blowing 1 Weld under nitrogen atmosphere in order to prevent oxidation inside a pipe welding Nitrogen pressure 0 1 0 2 kg cm2 5 Others 1 Nitrogen or refrigerant R134a only should be used when cleaning inside of cycle pipes inside and sealing 2 Check leakage w...

Страница 83: ...s not necessary because it does not produce oxidized scales inside pipe because of its short welding time 3 Replacement of drier Inserting a capillary tube Measure distance with a ruler and put a mark 12 3 0 on the capillary tube Insert tube to the mark and weld it KEYPOINTING Observe the sequence for removal of refrigerant If not compressor oil may leak KEYPOINTING Welding without nitrogen blowin...

Страница 84: ...measure the weight Calculate the weight of refrigerant charged into the bombe by subtracting the weight of an evacuated bombe KEYPOINTING If power is applied during vacuum degassing vacuum degassing shall be more effective Operate compressor while charging refrigerant It is easier and more certain to do like this KEYPOINTING Be sure to charge the refrigerant at around 25 C Be sure to keep 5g in th...

Страница 85: ...er Drier Evaporator Bombe Rubber 1 Observe the safety precautions for gas handling 2 Use JIG or wet towel in order to prevent electric wires from burning during welding In order to prevent insulation break and accident 3 The inner case shall be melted and insulation material polyurethane shall be burnt if not cared during welding inner case parts 4 The copper pipe shall be oxidized by overheating ...

Страница 86: ...zer Copper Silver Brazer Silver Brazer Copper Brazer Copper Brazer Copper Brazer Coppper Brazer Silver Brazer Silver Brazer PIPE ASSEMBLY JOINT PIPE ASSEMBLY HOT LINE Freezer PIPE ASSEMBLY JOINT CONDENSER ASSEMBLY WIRE PIPE ASSEMBLY SUCTION DRIER ASSEMBLY CAPI TUBE Copper Brazer Copper Silver Brazer Silver Brazer Copper Brazer Copper Brazer Copper Brazer Coppper Brazer Silver Brazer 1 Type A 2 Typ...

Страница 87: ...vaporator in the refrigerator compartment expand and contract as the temperature changes during the refrigerator operation This sound also happens during defrosting twice a day when the ice on the evaporator melts Clunk sound Explain that it comes from the compressor when the refrigerator starts When the refrigerator operates the piston and motor in the compressor rotate at 3600RPM This sound is c...

Страница 88: ...also makes sound When water Noise from motor sounds Whizz freezes to ice freezing sounds such as click click are heard When ice is being ejected sounds like Whizz produced by a motor to rotate an ice tray and ice dropping and hitting ice bank sounds are also heard Noise when supplying water Explain the principles of water supplied to dispenser When the water supply button in the dispenser is press...

Страница 89: ...istics of ice cream The freezing point of ice cream is below 15 C Therefore ice cream may melt if it is stored in the door rack Store ice cream in a cold place or set the temperature control button of a freezer at strong position Refrigeration is too strong Check the position of temperature control button Check if refrigeration is strong in whole area of the refrigerator or partly near the outlet ...

Страница 90: ...on at strong Frost in the freezer compartment Explain the basic principles of frost formation The main causes for frosting Door was left open Air penetration through the gasket Too frequent door opening parties etc Hot foods are stored before they are cooled down The temperature of freezer is 19 C if temperature is set at MID If hot air comes into the refrigerator fine frost forms as cold air mixe...

Страница 91: ...ner or in the wrap When is the power connected When should the power be connected You can connect the power right after the installation But if the refrigerator was laid flat during transportation for a long period of time and the refrigerant and compressor oils are mixed up then this will affect badly the performance of a refrigerator Be sure to connect the power 2 3 hours after refrigerator is i...

Страница 92: ...acket hinge pin is deformed during assembling freezer and refrigerator doors fix two screws Tap Tite Screw M6 Hinge L fixing screw in the hole of upper hinge 3 Disconnect upper hinge from a hinge supporter by grasping the front part of upper hinge and lifting up Hinge Assembly U in arrow direction A and pull forward in arrow B direction Be careful as the door may be fallen down 4 Lift up the freez...

Страница 93: ...ll forward carefully 5 Check foam PU sticking conditions around a shroud F U and F L during assembling If damaged torn or badly sticked assemble with a new one after sealing well 4 ICEMAKER ASSEMBLY 1 How to disassemble 1 Remove the cover and ice bucket from the freezer door 2 Disassemble the Motor AC and icemaker Caution When pulling out the Motor AC do not damage the water injector 3 Disconnect ...

Страница 94: ...t the valve 5 FAN AND FAN MOTOR DISASSEMBLY METHOD 1 Using a short screwdriver loosen one SCREW in DRAIN PIPE ASSEMBLY and one connected to the MOTOR COVER 2 Pull and separate the FAN ASSEMBLY and MOTOR turning counterclockwise based on the MOTOR SHAFT The assembly is in the reverse order of the disassembly and take special care for the following details 1 Be careful not to bend the tube during as...

Страница 95: ...o disconnect its housing 5 Loosen fixed screws with a screwdriver and pull the funnel assembly to disconnect You can change LED Lamp in this disassemble state 6 The duct cap assembly can be disconnected if the hold lever connecting screw is loosened with a screwdriver 7 To install the duct cap assembly insert one end of the spring into the right hole of the dispenser lever and insert the other end...

Страница 96: ...PLAY 5 FRAME FUNNEL ASSEMBLY 6 FRAME FUNNEL 7 LEVER DISPENSER 8 BUTTON LEVER 9 SWITCH MICRO 10 PCB ASSEMBLY DISPLAY 11 SUPPORTER HOLDER 12 SHEET DUCT 13 SPRING LEVER 14 SOLENOID ASSEMBLY 15 SPRING 16 LEVER HOLDER 17 CAP ASSEMBLY DUCT 18 CAP DUCT 19 DISPENSER LEVER 20 FOAM NEW 21 RUBBER CAP 22 FUNNEL ASSEMBLY 23 FUNNEL 24 DECO COVER 25 DECO PANEL 26 DECO DRAIN 27 DECO DRAIN COVER 17 Cap Assembly Du...

Страница 97: ...t driver or a pick tool separate a home bar 2 Assembly H Bar First you insert a right side and push a home bar hinge on left side HOW TO DISASSEMBLE AND ASSEMBLE 6 7 5 4 3 4 3 2 1 1 DOOR ASSEMBLY H BAR 5 COVER LEVER 2 GASKET H BAR 6 HOLDER ASSEMBLY BRACKET 3 COVER FRAME 7 SWITCH PUSH BUTTON 4 HINGE ASSEMBLY H BAR ...

Страница 98: ...FREEZER DOOR PART GW EXPLODED VIEW 210B 210B 202A 200A 201A 203A 611B 600A 606A 612A 614A 610A 205B 205B 205B 205D 205F 205K 205M 205L 205K 205M 205L 205K 205M 205L 210B ...

Страница 99: ...REFRIGERATOR DOOR PART EXPLODED VIEW 100 241B 241C 241A 240D 232A 147A 231A 233A 230A 239A 240A 243A 243A 205B 205B 205B 205D 240A 240A 205F 205K 205M 205L 205L 205M 205K 205K 205L 205M ...

Страница 100: ... 101 125A 126A 120C 135A 105B 270A 271B 271A 103A 312A 402A 409B 272A 130A 135B 101A 408A 302B 316B 400A 128C 128D 128E 128F 137B 136D 136A 136B 403A 136C 137C 137A 152A 404A 619A 138A 138B 621B 621A 616D 616C 120B 120B 120D 120D 619B ...

Страница 101: ...ATOR COMPARTMENT EXPLODED VIEW 167E 409B 409B 150B 165A 165A 166A 167A 167C 167B 168A 120E 504A 624A 270B 271B 271C 103A 116A 272B 146B 101B 151C 150A 409B 152A 162A 162B 177A 177B 115B 115A 140A 140A 140A 402A ...

Страница 102: ...MACHINE COMPARTMENT EXPLODED VIEW 103 313A 310B 307A 308C 403B 104A 301A 308B 309A 309C 309B 308A 407B 500A 502B 502A 406A 304A 305C 305B 305C 305B 305A 300A 317B 317A 307A 316A 303C 303A 306A 410L ...

Страница 103: ...DISPENSER PART 405A 275A 276A 281B 280A 501A 276B 290A 278J 278H 278G 281A 207B 207A EXPLODED VIEW 104 278A 278F 278B 278C 280B 402D 276B ...

Страница 104: ...MAY 2009 Printed in EU ...

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