LG EM430S Service Manual Download | Manualshive

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BUILT-IN OVEN

SERVICE MANUAL

MODEL: EM430S

CAUTION

BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

Website: http://biz.lgservice.com

P/NO : MFL30426714

July, 2009

Printed in Korea

삼

흥

정

판

Internal Use Only

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Summary of Contents for EM430S

Page 1: ...OVEN SERVICE MANUAL MODEL EM430S CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http biz lgservice com P NO MFL30426714 July 2009 Printed in Korea 삼 흥 정 판 Internal Use Only ...

Page 2: ... similarly qualified persons in order to avoid a hazard Electrical leads and cables should not be allowed to touch the oven The oven should be connected to the electricity supply by means of an approved circuit breaker or fuse Never use multiple plug adapters or extension leads Rating plate is located on the left side of door and the back cover The power supply of the appliance should be turned of...

Page 3: ...ety reasons Children should be kept at a safe distance when the oven operates Frozen foods such as pizzas should be cooked on the wire grill If the Baking tray is used it may become deformed due to the great difference in temperature Don t pour water into the oven bottom when it is hot This could cause damage to the enamel surfaces The oven door must be closed when cooking Don t spread aluminium f...

Page 4: ...ot be the source of danger To do this disconnect the appliance from the main supply and remove the main lead To protect the environment it is important that worn out appliances are disposed of in the correct manner The appliance must not be disposed of with household rubbish You can obtain information about collection dates or public refuse disposal sites from your local refuse department or counc...

Page 5: ...SWITCH 5 4 POWER TRANSFORMER 5 5 ELECTRICAL CONNECTIONS 5 6 CONVECTION SYSTEM 5 7 DOOR SYSTEM 5 8 CONTROL SYSTEM 5 13 GENERAL TROUBLE SHOOTING 6 1 ELECTRIC CIRCUIT DRAWING 7 1 EXPLODED VIEW 8 1 INSTRUCTION PARTS 8 1 DOOR PARTS 8 2 CONTROLLER PARTS 8 3 CAVITY PARTS 8 4 INTERIOR PARTS 8 5 INSULATOR PARTS 8 6 REPLACEMENT PARTS LIST 9 1 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right...

Page 6: ... W 9 1 A 5 24 8 Ω 230 240 V 25W 1 Conventional lamp ECN Code may be issued for another specification oven lamp 230 240 V AC 50 Hz Class E 446 Ω 230 V AC 50 Hz 28 W 240 mA Class H 83 6 Ω 250 V 16 A T150 Open 120 5 C Close Manual reset Button pressure Max 10N On the air duct upper 1 min 12 hours 593 W x 595 H x 573 D Except handle height 50mm 478 W x 348 H x 415 D 69L 454 W x 330 H x 415 D 65L 34 Kg...

Page 7: ...nvection fan Fan Grill Grill inner Grill outer Convection fan Conventional heat Grill outer Bottom heater Defrost Convection fan Bottom heat Bottom heater Large grill Grill inner Grill outer LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 8: ...these to suit yourself Note Rating plate can be located at left hand inner edge of the door or front side of the oven LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Control panel Top heating and grill heating element Oven light Air outlet Door seal Rear wall heating element Oven cavity Full glass door Side runners Rating plate Door...

Page 9: ...mer button 2 Clock button 3 Operating mode knob 4 Time display 5 Less button 6 More button 7 Temperature knob LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 10: ...care when removing finished dishes and meals from the oven Use a suitable cloth pot holder or oven gloves If you are using the wire grill in combination with the deep pan or some other tray to catch dripping liquids or fat then do not put the trays down on the bottom of the oven slide them into the lower levels If you place trays on the oven floor the resulting build up of heat can damage the surf...

Page 11: ...can find the side runners in the accessory box 1 Put the inserting bar of the side runner into the hole 2 Align the front recess with the front screw hole Insert and fasten a screw ockwise 3 Attach the other in the same way LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 12: ... automatically activated to cool the oven surfaces When the oven is switched off the fan is also switched off Switching the oven off Set the Operating mode knob to O to switch the oven off LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 13: ...n off by setting the operating mode knob to O to stop cooling Q Although the oven is switched on the cooling fan is not operating A 1 The connection has failed Check the connections to the motor 2 The fan may be obstructed Remove the obstruction Q The fan makes a noise during cooling the oven A Remove the obstruction from the circumference of the fan for proper rotation LGE Internal Use Only Copyr...

Page 14: ...r Risk of electric shock The oven lamps sockets are live Switch the oven off before replacing lamps To protect the lamps and glass covers a soft cloth should be placed on the oven floor Replacing the oven light cleaning the glass cover 1 Unscrew the lam cover by turning anti clockwise 2 Replace the oven lamp Type E14 230V 25W heatproof 300 C Note Always use a cloth to take hold of a lamp to avoid ...

Page 15: ...s All electrical contacts of the switch should be equal to the contacts of the below schematic diagram If there are some problems of oven operating check the wiring of the function switch LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 16: ...e purposes This oven uses the variable thermostat for temperature sensing Type 55 170 EGO Cut out temperature Test condition 1 Put the capillary tube only into the liquid test bath adjustable temperature equipment 2 Ambient temperature around other parts should maintain 23 C temperature probe capillary tube Angle 40 C 180 C 270 C cut out temperature 57 C 11K 210 C 8 K 310 C 11K ...

Page 17: ...arth in this oven connections Earth connections are consist of earth terminal tap and earth terminal ring LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes L1 L2 L3 N E 1 2 3 4 5 2N 220 240V 220 240V 3N L1 L2 L3 N E 1 2 3 4 5 220 240V 220 240V 220 240V ...

Page 18: ...lter is applied only to non pyrolytic model basically The rotation direction of convection fan is clockwise Anti C fan Chamber Convection heater Chamber fixing screw 1780rpm at 230V built Convection fan Fixing nut LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 19: ...nd outer area of them downwards as illustrated Step 3 Then lift the door upwards as far as it will go Note Do not attempt to take the door off the hinge guides when it is in a horizontal position The guides will close and damage the appliance Step 4 Hold the door securely at both sides and lift upwards off the hinge guides Locking clamp LGE Internal Use Only Copyright 2007 LG Electronics Inc All r...

Page 20: ...es Note Make sure that th door goes back on straight Step 2 Turn inner area of clamps downwards and outer area of them upwards as far as they will go into a horizontal position Make sure that the notches on the locking clamps hook into the slots on the door as illustrated LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 21: ...removed Then place the door on a soft and even surface with the handle facing down to protect it from breakage and to prevent it getting scratched Step 1 Remove the two screws at the right and left hand side of the door and pull the top cover above the glass panels forward Step 2 Lift the innermost pane up and out from the door carefully Then remove the insulator Door top cover insulator LGE Inter...

Page 22: ...e Door Note Spacers are located next to the mount bracket to keep the Individual door panels in position Handle them very carefully to avoid the risk of breakage mount bracket Spacer Insulator Pane 1 Pane 2 Pane 3 Door top cover LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 23: ...idual panes must be located correctly in their retainers Step 3 Finally replace the top cover and secure it by screwing onto the door Note Clean the glass panels with a mild detergent Do not use harsh abrasive cleaners or sharp metal scrapers to clean the oven door glass since they can scratch the surface which may result in shattering of the glass LGE Internal Use Only Copyright 2007 LG Electroni...

Page 24: ...nobs from the controller assembly 2 Release the 4 screws and disassemble the function switch and the variable thermostat from the controller assembly PRINCIPLE OF MAIN SYSTEM LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 25: ... low voltage transformer Then loosen tensions of the 7 hooks for fixing pcb and take out the pcb 4 controller parts which are seperated PRINCIPLE OF MAIN SYSTEM LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 26: ... oven cannot be used until the time of day is set Connection of the function switch may be defective The relay RY1 on the PCB or the convection heater may be defective Check the power connection CN1 AC 220 240V Replace the PCB EBR30300801 Replace the PCB EBR30300801 If the thermostat is opened push the red button on Replace the PCB EBR30300801 Replace the buttons Set the clock Check all connection...

Page 27: ...on motor may be defective Connection of the function switch may be defective Convection motor may be defective The nut of convection fan may be loosened The convection fan may be deformed Connection of the lamp or function switch may be defective Lamp may be burned out Set the clock Check all connections of function switch with connecting label on the controller assembly Check the connection of re...

Page 28: ... C M C H LAMP F M B 3 5 6 7 8 BTM OUT LAMP F M C 4 5 6 7 8 INN OUT LAMP F M D 1 4 5 6 7 8 CM INN OUT LAMP F M E 3 6 7 8 BTM LAMP F M F 1 7 8 C M LAMP F M G 8 LAMP INN grill inner heater OUT grill outer heater BTM bottom heater C H convection heater C M convection motor F M fan motor ...

Page 29: ... 8 1 EXPLODED VIEW CONTROLLER PARTS INTERIOR PARTS INSULATOR PARTS DOOR PARTS CAVITY PARTS INSTRUCTION PARTS EV MODEL ...

Page 30: ... 8 2 13550T 14891A 13650A WWZ084 WWZ084 13806D 150061 WMT018 WMT018 WMP029 WMP029 WMP029 WMP029 WMT015 13806D 150061 148902 148901 154101 150062 150062 152101 15012A DOOR PARTS EV ...

Page 31: ... 8 3 23572A 24941A 24941A 23790D 26600R 268711 26931A 24980A 250201 250201 24781S 268771 CONTROLLER PARTS EV ...

Page 32: ... 8 4 350263 350262 34774L WMP033 34810C 33550T 33808A 34810M 54620A 56411A WSZ002 535502 550121 WSZ230 WSZ230 63302A 53446A 535501 35006A 35230A CAVITY PARTS EV ...

Page 33: ...81R 55900N WNZ026 WNZ026 353001 353002 WSZ221 54810H 54350S WSZ221 350261 333901 53504A 55900C WSZ221 WNH201 WWZ085 WWZ085 353003 33920F 55209A 56913A 550123 54974T WWZ087 WNH008 WSZ221 WNZ026 WNZ015 333902 INTERIOR PARTS EV ...

Page 34: ... 8 6 535503 55900A WNZ018 56930V 55262A 34930W 56549F INSULATOR PARTS EV ...

Page 35: ......

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