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2. Faults

2-1. Power

2-2. Compressor

Problems

Causes

Checks

Measures

Remarks

No power on

- Power cord cut.

- Check the voltage with tester.

-Replace the components.

outlet.

- Faulty connector insertion.

- Check visually.

-Reconnect the connecting parts.

- Faulty connection between plug

- Check visually.

-Reconnect the connecting parts.

and adapter.

Fuse blows out. - Short circuit by wrong connection.

- Check the fuse with tester

- Find and remove the cause of

- Replace with rated

- Low voltage products are

or visually.

problem (ex. short, high voltage,

fuse after confirming

connected to high voltage.

- Check the input volt are with tester

low voltage).

its specification.

- Short circuit by insects.

(between power cord and products). - Replace with rated fuse.

- Electricity leakage.

- Check the resistance of power cord

If fuse blowns out

- High voltage.

with tester (if it is 0 , it is shorted).

frequently, confirm

- Short circuit of components

the cause and prevent.

(tracking due to moisture and dust

penetration).

Problems

Causes

Checks

Measures

Remarks

Compressor

- Faulty Combo.

- Check the resistance.

- If resistance is infinite, replace it

does not

Vlaue: is defective.

with new one.

operate.

- If it is not infinite, it is normal.
- Check other parts.

- Compressor is frozen.

- If compressor assembly parts are

- During forced operation:

normal (capacitor, PTC, OLP),

- Operates: Check other parts.

apply power directly to the

- Not operate: Replace the frozen

compressor to force operation.

compressor with new one, weld,
evacuate, and recharge refrigerant.

OLP It starts as soon as it is

• Refer to weld repair procedures.

contacted.

Auxiliary winding

Main winding
Power

- 5

9 -

https://appliancetechmanuals.com

Содержание LSC27910SB/01

Страница 1: ...ION PLEASE READ THE SAFETY PRECAUTIONS OF THIS MANUAL CAREFULLY BEFORE REPAIRING OR OPERATING THE REFRIGERATOR MODELS LSC27910SW LSC27910ST LSC27910TT LSC27910SB SERVICE MANUAL 01 01 01 01 https appliancetechmanuals com ...

Страница 2: ...ange Number Rev 01 Change Base Compressor due to Back Prone Loading transportation Items related to this change Damper Compressor 312A Stopper Compressor 314A Base Assembly Compressor 315A https appliancetechmanuals com ...

Страница 3: ... HOW TO INSTALL THE REFRIGERATOR 4 HOW TO DISASSEMBLE AND ASSEMBLE 5 MICOM FUNCTION 6 EXPLANATION FOR MICOM CIRCUIT 7 ICEMAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 8 CIRCUIT 9 TROUBLE DIAGNOSIS 10 EXPLODED VIEW 3 4 5 6 10 15 25 42 48 49 88 https appliancetechmanuals com ...

Страница 4: ...oreign materials from the housing and connecting parts 8 Do not fray damage run over kink bend pull out or twist the power cord 9 Please check for evidence of moisture intrusion in the electrical components Replace the parts or mask with insulation tape if moisture intrusion was confirmed 10 Do not touch the icemaker with hands or tools to confirm the operation of geared motor 11 Do not suggest th...

Страница 5: ...286 6 lbs GENERAL FEATURES Color Anti freezing Heater Drier 27 cuft R134a 185gr Temperate N 115V 60Hz Fan Cooling MICOM control Full Automatic Yes No Lamp Shelf Tray meat Egg Bank Basket Quantity Heater Defrost Defrosting System First Defrost Condenser Lubricanting Oil Defrost Cycle Defrosting Device Evaporator Capillary Tube Polyol Ester 310 10 cc MOLECULAR SIEVE XH 7 ID Ø0 83 4 Hours Cooling Sys...

Страница 6: ... listed below The locations of the features shown below may not match your model Refrigerator Door Rack Dairy Corner J L M K Refrigerator Shelf Freezer Door Rack Freezer Shelf Drawer B C D A E Vegetable Drawer F G I Ice Bin For storage of dairy products such as butter and cheese Freezer Lamp Base Grille Snack Pan For storage of meat or fresh food Water Filter H Refrigerator Lamp A B C B D D E F M ...

Страница 7: ...r is lower than the freezer door during the installation of the refrigerator Tools you need Wrench 5 16 in 8 mm Wrench 3 4 in 19 mm AFTER LEVELING THE DOOR HEIGHT Make sure the front leveling legs are completely touching the floor difference Height difference Height difference Height difference Height difference Using a 19 mm wrench turn the keeper nut clockwise to lossen the keeper nut Keeper nut...

Страница 8: ... right a quarter turn clockwise to lock it into place The locked symbol will be lined up with the indicator arrow 2 WATER FILTER Before removing or installing water filter 1 Take out the top shelf and move it to the lowest level 2 Remove the lamp cover by pressing the tab under the cover and pulling cover to the front 3 IMPORTANT Turn off household water supply After installing water filter a Repl...

Страница 9: ...nds as shown below 2 The bell rings ding dong the ice tray rotates and water comes out the icemaker water tube 3 The water is supplied into the tray two or three times The amount is small each time Put a container under the ice tray and press test switch 4 When the ice tray rotates the water in it will spill Collect the spilled water and discard it 5 When ice tray has finished rotation water comes...

Страница 10: ...ure 3 If the ice cubes are too small increase the water supplying time This happens when too little water is supplied into the ice tray 4 If the ice cubes stick 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 the adjustment of t...

Страница 11: ...essing area Figure 1 as shown in the figure below If a tube end is deformed or abraded trim the part away Disconnecting the tube under the door causes about 0 5 liters water to flow out Put a large container at end of tube to prevent water from draining onto the floor NOTE Figure 1 1 Open the door Remove the top hinge cover screw 1 2 Use a flat blade screwdriver to pry back the hooks not shown on ...

Страница 12: ...ace Rotate lever 5 clockwise to secure hinge 3 Install the grounding screw 4 and connect all the wire harnesses 3 4 Hook tab on door switch side of cover 2 under edge of wire opening in cabinet top Position cover into place Insert and tighten cover screw 1 1 Feed the water tubes through the lower hinge pin and place the door onto the lower hinge pin 5 Reconnect the water tubes by inserting the tub...

Страница 13: ...conditions around a shroud upper freezer and lower freezer during assembling If damaged torn or badly stuck assemble with a new one afer sealing well 1 Dispenser Model 1 How to disassemble 1 Remove ice bin from the freezer compartment 2 Loose the screw on the upper part of icemaker bracket 3 Disconnect icemaker bracket so that it can slide forward 4 Disconnect icemaker housing and sensor housing 5...

Страница 14: ... 1 Pull out tube while pressing collets and disassemble it Assembly 1 Insert tube until you can see only one line 2 After inserting pull out tube to check if it is properly Collet Tube Insert Line inserted 13 https appliancetechmanuals com ...

Страница 15: ...2 Remove the Display Frame moving out with both hands in one side and make the same process in the other side and pulling it forward like shows the picture 14 7 DISPENSER https appliancetechmanuals com ...

Страница 16: ...opened To put the display into Display off Mode press and hols the FRZ TEMP and ICE PLUS buttons simultaneously for 5 seconds until the Ding sounds Use both buttons for this to work When Display off Mode is activated the display remains OFF unless a door is opened or a button is pressed The display will return to the OFF position after 30 seconds inactivity To remove the display from Display off M...

Страница 17: ... lock release status 2 If you wish lock the controls push on the ALARM LOCK button for more than 3 seconds after this time the LOCK graphic on the display will be turned on 3 The buzzer sound and control panel and dispenser function is not performed even if pressing display button ather than lock key in the lock status 4 If you wish unlock the controls press the ALARM LOCK button more than 3 secon...

Страница 18: ...tion for prompt freezer Function is repeated folloing below whenever pressing ICE PLUS The arrow mark graphic remains at the On status after flickering 4 times when selecting Special Refrigeration ICE PLUS ICE PLUS function automatically turns off if a fixed time passes 2 4 Dispenser Light Dispenser switch or dispenser light button turn the dispenser light in the dispenser on and off The dispenser...

Страница 19: ... Ice Plus Ice Plus operation is done only for the remaining time after completion of frost removal when the Ice Plus operation time passes 90 minutes If passing 90 minutes Ice Plus operation is done only for 2 hours after completion of frost removal 8 If pressing Ice Plus button during frost removal the Ice Plus LCD or LED is turned on but if pressing the Ice Plus compressor operates after the rem...

Страница 20: ...ime of compressor becomes 4 5 hours 3 Defrost is completed if temperature of a defrost sensor becomes more than 5 C after starting defrost The defrost cycle will fail if the refrigerator does not reach a temperature of 5 C 9 F two hours into the defrost cycle 4 The defrost cycle will not operate of the defrost sensor fails arcs or shorts cut 2 12 Refrigerator lamp automatically off 2 10 Ringing of...

Страница 21: ...mpressor frost removal heater freezing room fan Cooling Fan and step motor damper are sequentially operated as follows for preventing noise and part damage occurred due to simultaneous operation of a lot of parts in applying initial power and completing test https appliancetechmanuals com ...

Страница 22: ... 21 2 14 Failure Diagnosis Funtion F4 F3 F2 F1 TROUBLE CODE INDEX https appliancetechmanuals com ...

Страница 23: ... 22 https appliancetechmanuals com ...

Страница 24: ...C º 23 2 15 Test Function https appliancetechmanuals com ...

Страница 25: ...2 16 Function of dispenser and water dispenser built in 24 https appliancetechmanuals com ...

Страница 26: ...6 EXPLANATION FOR MICOM CIRCUIT 25 1 Explanation for PWB circuit https appliancetechmanuals com ...

Страница 27: ... 26 https appliancetechmanuals com ...

Страница 28: ... 27 https appliancetechmanuals com ...

Страница 29: ... 28 https appliancetechmanuals com ...

Страница 30: ... 29 https appliancetechmanuals com ...

Страница 31: ...º º 30 https appliancetechmanuals com ...

Страница 32: ... 31 https appliancetechmanuals com ...

Страница 33: ... 32 https appliancetechmanuals com ...

Страница 34: ... 33 https appliancetechmanuals com ...

Страница 35: ...º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º 34 https appliancetechmanuals com ...

Страница 37: ...3FP P16 A L104 CC11 R19 104 D112 1 D109 P12 22 360 1 2W 13 9 24 Light D110 12 1N4148X6 R21 SW106 L113 L R30 4 1 360 1 2W R22 28 ÉÙ 18 É INT1 ON 8 11 L108 4 7K 15 14 L101 SW101 L111 KID65003AF 100 19 15 4 20 6 P11 L102 2 ÉÙ 10 9 SW105 2 6 14 D107 L115 10 102 SW103 FILTER IC1 MICOM 7 5 É P17 R31 23 R20 OPTION L112 SW102 É 27 D105 ÉÙ L110 3 8 D106 P21 4 7K P13 P20 6 L109 HEATER SHEET ÉÙ 2K https appl...

Страница 38: ...º º º º º º º º º º º º º º º º º º º º º º º º º º º º 37 https appliancetechmanuals com ...

Страница 39: ...2 PWB parts diagram and list 38 https appliancetechmanuals com ...

Страница 40: ...109 D110 D111 5 3 1 2 SW101 D101 4 SW102 SW104 D104 D105 SW103 D103 D102 D112 L102 L101 L103 L104 L105 L106 L113 L107 1N4148X6 SW106 D106 L109 L110 L111 L115 L116 L117 L108 L114 L112 SW105 2 2 PWB Display https appliancetechmanuals com ...

Страница 41: ...W 5 FR107 36 4 0 5 C A106M 12V P31 P77 CON2 7 CUBE R LAMP 5 IC4 F DOOR OPTION1 18KJ CE3 1000uF P34 R77 P73 11 10K 9 15 IN4004 1 8 2KJ OLP 3 KIA7042 2 1 180KJ R78 12V 13 RY13 104 BR93LC46RF W CON3 TAB2 450V 2 BUZZER CC7 R13 6 8K RL3 ALD112 6 22uF 1 4W 54 2 5 C 104 4 7K 35V IC9 34 R14 D9 D1 1 5 C 12 D11 RY1 FB1 DISPENSER RY2 16 2 PIPE HEATER ALD112 OPTION 4 7K IC5 RY4 1 TEST 5 8 CC5 104 DI 1 5 C RY6...

Страница 42: ...10 FILTER 8 4 A 5 TA7774P RT1 15 10K P51 MOTOR 223 4 7K CC28 L107 220uF 49 18 SW1 5 360 1 2W R55 11 223 100V R49 7 5 50V 6 2K 11 52 3 9K R32 CE11 L102 R37 C CC27 26 1KF CE9 P54 P65 223 68 1 2W 39 L101 R45 CON8 CE13 23 4 7K TEST S W 2 M54563FP CM4 19 6 L4 R72 CC17 F FAN PWM L113 R51 R43 DAMPER HEATER 223 6 6 10K 223 R46 R60 P62 P15 C FAN 50V P46 CE6 61 3 14 3 10uF P63 24 7 50V P14 R67 FR107 5 7 R50...

Страница 43: ... LSC27910 7 ICEMAKER AND DISPENSER WORKING PRICIPLES AND REPAIR 42 1 Working Principles https appliancetechmanuals com ...

Страница 44: ...S1 S2 1 OFF OFF 6 5SEC 2 ON OFF 5 5SEC 3 OFF ON 7 5SEC 4 ON ON 8 5SEC 5 6 7 8 Refer to appendix No DIP SWITCH SETTING Water Supply Time 43 2 Function of Icemaker LSC27910 https appliancetechmanuals com ...

Страница 45: ...º 44 https appliancetechmanuals com ...

Страница 46: ... 45 https appliancetechmanuals com ...

Страница 47: ... 46 3 Icemaker Troubleshooting https appliancetechmanuals com ...

Страница 48: ... 47 LSC27910 https appliancetechmanuals com ...

Страница 49: ...8 CIRCUIT 48 https appliancetechmanuals com ...

Страница 50: ...plug and adapter faulty plug The distance between pins Pin outer diameter No power on power cord COMBO is off No electric power on compressor Faulty compressor Faulty COMBO Disconnected copper wire Internal electrical short Faulty terminal contact Disconnected Capacity of COMBO is small Characteristics of COMBO is wrong Bad connection Power is disconnected Inner Ni Cr wire blows out Bad internal c...

Страница 51: ...l Caps are missed Air blowing During transportation During work Not performed Performed T oo short time Low air pressure Less dry air Air Blowing Leave it in the air Caps are missed Short pipe insert Pipe gaps T oo much solder T oo large Damaged pipes Not dried in the compressor Elapsed more than 6 months after drying Caps are missed No pressure when it is open During rest time After work Compress...

Страница 52: ... Seal with drain Adiabatics lump input Damage by a screw or clamp Other foreign materials input Parts disconnected Wire is cut Heating wire Contact point between heating and electric wire Dent by fin evaporator Poor terminal contacts Wire is cut Lead wire Heating wire Contact point between heating and electric wire Heating wire is corroded Water penetration Bad terminal connection Check visually C...

Страница 53: ... door Sheath Heater rated Heater plate Heater cord L Gap Bad attachment Contraction Bad adhesion Weak binding force at hinge Fan motor Door switch Self locked Wire is cut Bad terminal contact Contact distance Button pressure Melted contact Contact Poor door attachment Door liner dimension Contraction inner liner Misalignment Bad terminal connection Adiabatics liquid leak Faults Refrigerator and fr...

Страница 54: ...ing parts Fan shroud contact Clearance Damping evaporator contact Accumulated residual frost Fan misuse Bad shape Loose connection Not tightly connected Insert depth Rating misuse Small capacity Low valtage Malfunction of charging cylinder Wrong setting of refrigerant Insufficient compressor Faulty compressor Fan overload Fan misuse Bad low termperature RPM characteristics Rated power misuse Low v...

Страница 55: ...aulty temperature characteristics External air inflow Bushing installed incorrectly 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 High ambient temperature Space is secluded Different rating Small capacity Store hot food Store...

Страница 56: ...r compartment operating sounds Compressor sound Sound from machine itself inserted Sound from vibration Restrainer Bushing T oo 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 COMBO sound Chattering sound Insulation paper vibrati...

Страница 57: ...tion Bad assembly Distortion Foreign materials inside Bad connection Partly damaged Not connected Bad pipe caulking Normal operating sound Vibration sound Aged rubber seat Bad torque for assembling motor bracket Fan guide contact Shroud burr contact Damping evaporator contact Residual frost contact Unbalance Ice on the fan Air intake opposite to motor bushing assembly Supporter disorted Tilted dur...

Страница 58: ...d terminal contact Adiabatics liquid leak 1 Lead wire is damaged Wire damage when assembling Bracket Cover Outlet burr in the bottom plate Pressed by cord heater lead wire evaporator pipe 2 Exposed terminal Compressor Compartment terminal T ouching other components Freezer compartment terminal T ouching evaporator pipe 3 Faulty parts Transformer Coil contacts cover Welded terminal parts contact co...

Страница 59: ...when freezer compartment is closed faulty stopper High Faulty damper control Button is set atweak Door is open interference by food No deodorizer Poor capacity Seal condition Storage of fragrant foods Long term storage Odors from cleaners or items which shroud not be stored in a refrigerator Bigger door foam Hinge Pin tilted Poor flatness No washer No grease Stopper worn out Bad freezer compartmen...

Страница 60: ... rated fuse Electricity leakage Check the resistance of power cord If fuse blowns out High voltage with tester if it is 0 it is shorted frequently confirm Short circuit of components the cause and prevent tracking due to moisture and dust penetration Problems Causes Checks Measures Remarks Compressor Faulty Combo Check the resistance If resistance is infinite replace it does not Vlaue is defective...

Страница 61: ...rm 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 compressor compartment refrigerat...

Страница 62: ...er 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 recharge the compartment r...

Страница 63: ...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 and the frost forms partly on the ...

Страница 64: ...urities of ice insert the copper line copper wire Turn off more than 2 Ice through the hole to check 3 hours and pour in hot water if 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 suction duct manually and assemble the disconnected parts Gap between Suction duct and 1 Confirm in the Suct...

Страница 65: ...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 insertion into housing of hea...

Страница 66: ...d 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 faulty Faulty MICOM faulty senso...

Страница 67: ...achment 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 The Temperature of freezer ...

Страница 68: ... fan and fan conditions in pipes motor 2 3 Touch pipes with hands or screw 6 Adjust fan to be in the center of driver check the change of the fan guide sound 7 Leave a clearance between interfering parts and seal gaps in 3 Fan operation sound in the freezer 3 1 Check fan insertion depth and the structures compartment blade damage 8 Reassemble the parts which make 3 2 Check the interference with so...

Страница 69: ...eel 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 vibrates 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 heat expansion 1 1 Check ti...

Страница 70: ...ing 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 If sound is servere wrap ...

Страница 71: ...Clean the refrigerator and set Chedk food cleanliness 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 deodoriz...

Страница 72: ... 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 LCD between Main PCB main PCB a...

Страница 73: ...e 29 The wrong sensor Confirm the color of sensor in Repair main PCB explanation has been installed circuits main PCB sensor sensor housing Order by model number housing and part number 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 refrigerator P...

Страница 74: ...als in Step Check Step Motor damper Remove foreign Motor damper baffles baffle visually materials Ice formation on Check if Step Motor damper Replace Step Motor Step Motor damper Heater wire is cut with a damper or refrigerator baffles tester control Box Assembly Defective refrigerator Defective refrigerator Check the resistance of Replace refrigerator Refer to sensor sensor sensor parts refrigera...

Страница 75: ...ive 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 Reconnect lead...

Страница 76: ...ad 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 0V 5V Defective relay associated with ice...

Страница 77: ...eficiency can be improved by operating compressor during evacuation Vacuum piping EA Use R134a exclusive manifold To protect mixing or mineral and ester oils The bushing pipes for R12 refrigerant shall be melted when they are used for R134a refrigerant causes of leak Pipe couple EA Use R134a exclusive manifold To protect R12 Refrigerant mixing Outlet Socket R134 exclusive Plug R134 exclusive Do no...

Страница 78: ...es pinch off Weld carefully after pinching off the inlet pipe plier gas welding machine Check leak at weld joints Electronic Leak Detector Minute leak Use electronic leak detector Driver Ruler Big leak Check visually Note Do not use soapy water for check Check cooling capacity 1 Check radiator manually to see if warm 2 Check hot line pipe manually to see if warm 3 Check frost formation on the whol...

Страница 79: ...ING FORCED OUT The use of piercing type valves will allow future servicing and eliminates the possibility of a defective pinch off 3 Replacement of drier 1 Be sure to replace drier with R134a only when repairing pipes and injecting refrigerant 4 Nitrogen blowing 1 Use pressurized nitrogen to prevent oxidation inside the piping welding Nitrogen pressure 0 1 0 2 kg cm2 5 Others 1 Only nitrogen or R1...

Страница 80: ...ng a compressor Weld 1 And 2 parts by blowing nitrogen to the low pressure side Note For other parts nitrogen blowing is 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 on the capillary tube Insert tube to the mark and weld it KEY POINT Observe the ...

Страница 81: ...weight Calculate the weight of refrigerant charged into the charging canister by subtracting the weight of an evacuated charging canister KEY POINT If power is applied during vacuum degassing vacuum degassing shall be more effective Run the compressor while charging the system It is easier and works better KEY POINT Be sure to charge the refrigerant at around 25 C 77 F Be sure to keep 5g in the wi...

Страница 82: ... mechanical area Compressor Condenser Drier Hot Line Evaporator Charging Canister Bushing 1 Observe the safety precautions for gas handling 2 Use JIG or a wet towel in order to prevent electric wires from burning during welding In order to prevent insulation break and accident 3 The inner case will melt and the insulation will burn 4 The copper piping will oxidize 5 Do not allow aluminum and coppe...

Страница 83: ...ssembly Hot Line Freezer Capi tube Drier assembly Pipe assembly suction Copper Brazing Pipe Assembly Joint Copper Brazing Copper Brazing Copper Brazing Pipe assembly joint Silver Brazing Condenser Assembly wire Silver Brazing https appliancetechmanuals com ...

Страница 84: ...ent 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 3600 RPM This sound is caused by the vibration of motor and p...

Страница 85: ...kes sound When water Noise from motor sounds Hiss freezes clicking sounds are heard When ice is being ejected sounds like Hiss produced by a motor to rotate an ice tray and ice dropping and hitting ice bin 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 pressed the water supply valve in the comp...

Страница 86: ...ezing point of ice cream is below 15 C 5 F 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 of the cooling air If i...

Страница 87: ...the freezer compartment Explain the basic principles of frost formation The main causes for frosting Door was left open Air penetration through the gasket T oo frequent door opening parties etc Hot foods are stored before they are cooled down The temperature of freezer is 19 C 2 2 F if temperature is set at MID If hot air comes into the refrigerator fine frost forms as cold air mixes with hot air ...

Страница 88: ...cover of frequently opened and wet foods are not stored in the air tight container or properly vegetable drawer wrapped Be sure to store wet foods in airtight containers or securely covered in plastic wrap When is the power connected When should the power be connected You can connect the power immediately after installation However if the refrigerator was laid flat before or during installation yo...

Страница 89: ...FREEZER DOOR 10 EXPLODED VIEW EV 241G 241G 203A 201A 200A 241F 243A 241G 212J 244A 88 https appliancetechmanuals com ...

Страница 90: ...REFRIGERATOR DOOR EXPLODED VIEW EV 241J 241C 243B 212G 241K 241H 241H 233A 231A 230A 212J 244A 89 https appliancetechmanuals com ...

Страница 91: ...OMPARTMENT EXPLODED VIEW EV 418A 301A 401A 271B 281C 271A 106A 319B 610E 103C 281G 332B 330B 405G 329A 332A 404A 409A 158C 128E 136A 149A 149A 149A 281A 406A 128F 903E 316B 405A 90 https appliancetechmanuals com ...

Страница 92: ...LODED VIEW EV 161A 151A 161B 154A 151B 611A 611B 611E 271B 271C 106A 610E 281H 120B 120A 158A 2 28 81 1D D 406A 281B 604H 140A 170A 141A 128H 128G 140A 140B 412C 409A 128J 128K 128A 128B 903D 281K 91 https appliancetechmanuals com ...

Страница 93: ...ATER PARTS EXPLODED VIEW EV 614A 110B 606A 131A 412A 131C 149D 128L 149E 412B 619A 621B 612A 612B 612C 125A 600B 602A 406D 303B 610A 607A 600A 625A 616E 622B 616D 627A 627D 92 https appliancetechmanuals com ...

Страница 94: ... 310A 412D 312A 419A 318A 317A 305C 305B 304A 323B 314A 105A 305C 305B 309A 309A 308A 308A 315A 319A 319E 319C 405C 404B 405C 329C 501A 501K 411A 501F 410H 410G 103B 103A 316A S38 S15 314A 307B 307A 419B 412D SVC KIT COMPRESSOR 93 https appliancetechmanuals com ...

Страница 95: ...DISPENSER PARTS EXPLODED VIEW EV 278A 405H 282G 113E 617A 161C S18 276A 276B 501B 280A 279B 279A 281F 409B 113F 278G 94 https appliancetechmanuals com ...

Страница 96: ...042C Cover PTC 412D 6877JB2040H Harness Assembly 419B MGE58810302 Pipe Joint 412D MJB61877901 Stopper Compressor 307A TCA30358201 Compressor Set Assembly 308A 6748C 0002C Thermistor Assembly PTC 309A 6750C 0004R Overload Protect For all production In order to use it with objective to has the option of request it for a future compressor change and make interchangeable This kit is complety interchan...

Страница 97: ...OCTOBER 2009 REVIEW 01 MFL62215907 https appliancetechmanuals com ...

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