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LG Microwave Wall Oven Combo, 30 inch Exterior Width, True Convection, Self Clean, 6.4 cu. ft. Capacity, Temperature Probe, Wifi Enabled, Air Fry, Essence White colour
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Description & Features
The LG WCES6428N wall oven brings professional‑level performance and standout style together in one premium built‑in appliance, ideal for home chefs who want more from their kitchen than a standard double oven can offer. With a generous 6.4 cu. ft. total capacity (4.7 cu. ft. lower oven plus 1.7 cu. ft. upper oven) and a sleek 29.75" width designed to fit a 30" wall opening, it easily handles everything from weeknight dinners to holiday entertaining. What truly sets this model apart is its innovative combination design: the upper cavity functions as a powerful microwave and convection oven, while the lower cavity is a full‑featured True Convection oven, giving you the flexibility to reheat, bake, roast, and brown multiple dishes at once without sacrificing space or performance. The lower oven’s InstaView® WideView window lets you check on roasts, casseroles, and baked goods with a simple knock on the glass, reducing heat loss and helping maintain consistent cooking results. At the same time, the True Convection system with Air Fry and Steam Sous Vide capabilities opens up advanced cooking techniques that many traditional wall ovens simply don’t offer, allowing you to air fry crispy favorites with less oil or achieve restaurant‑quality, tender results using precise steam‑assisted cooking. The exclusive Essence White finish from LG STUDIO gives the WCES6428N a refined, matte look that stands out from typical stainless appliances, complemented by elevated light bronze handles for a sophisticated, furniture‑like presence in your kitchen. Inside, a bright, full‑color 7" TFT LCD touch display guides you through more than 40 auto‑cook recipes and modes, making it easy to select the right settings whether you’re proofing bread, dehydrating snacks, or running a quick EasyClean® or Self Clean cycle to keep the oven interior looking its best. Built‑in ThinQ® smart technology adds even more convenience, enabling remote monitoring, voice control compatibility, and access to smart recipes and notifications from your phone. Altogether, the LG WCES6428N delivers a rare combination of design, capacity, and cutting‑edge cooking features that elevates everyday meals and special occasions alike.

LG STUDIO Essence White finish – exclusive matte white design that delivers a luxurious, modern look and pairs easily with a wide range of kitchen styles.

TurboCook™ Speed Oven – upper oven combines microwave and convection with instant-on Infrared Heating™ to cook up to 4x faster than a traditional oven, often without preheating.

True Convection – powerful convection fan and heating element circulate hot air for more even baking and roasting on multiple racks.

Steam Sous Vide – lower oven steam function helps you cook foods gently and evenly, locking in moisture and flavor similar to sous-vide style.

Air Fry setting – crisps favorites like fries or wings with hot air circulation, reducing the need for added oil compared to deep frying.

EasyClean® + Self Clean – dual cleaning system lets you choose quick, low‑heat EasyClean® for light messes or high‑heat Self Clean for deep cleaning.

ThinQ® smart technology – built‑in Wi‑Fi lets you monitor and control the oven from your smartphone, receive notifications, and access smart recipes via the ThinQ® app.

ThinQ® voice control compatibility – works with supported voice assistants so you can start, stop, or adjust settings hands‑free.

SmartDiagnosis™ support – helps troubleshoot issues quickly by sending diagnostic data to LG customer support via the ThinQ® app.

InstaView™ / WideView™ window – large viewing window lets you check cooking progress without opening the door and losing heat.

LG STUDIO design hardware – elevated light bronze handles and trim add a premium, designer accent to the Essence White finish.

Flush installation capable – designed for a sleek, built‑in look that can sit more flush with surrounding cabinetry.

6.4 cu. ft. total capacity (1.7 + 4.7 cu. ft.) – combination of a 1.7 cu. ft. upper speed/microwave oven and a 4.7 cu. ft. lower oven to handle everyday meals and large holiday dishes.

30" built‑in combination wall oven – replaces separate wall oven and microwave with a single integrated unit to save space and streamline the look.

Upper TurboCook™ / microwave convection oven – use as a traditional microwave, convection oven, or combined speed‑cook oven for flexible meal prep.

Microwave power up to ~950–975 W – delivers strong microwave performance for fast reheating, defrosting, and cooking.

Speed Cook programs – preset options for common foods (meats, poultry, fish, bread, pizza, casseroles, etc.) to simplify quick cooking.

Sensor Cook functions – automatically adjusts time and power based on humidity levels for better results when reheating or cooking certain foods.

Defrost, Melt & Soften menus – dedicated settings for gently defrosting meats, melting butter or chocolate, and softening items like ice cream or cream cheese.

Lower true convection oven – full‑size 4.7 cu. ft. oven with dedicated convection element for even baking, roasting, and air frying.

Multiple oven modes – Bake, Convection Bake, Convection Roast, Broil, Air Fry, Warm, Proof, Steam Cook (Steam Bake, Steam Sous Vide), Auto Cook, and Favorites for versatile cooking.

Proof mode – maintains low, consistent temperatures ideal for proofing bread dough.

Warm / Keep Warm function – keeps cooked dishes at serving temperature without overcooking.

Hidden bake elements (upper and lower) – concealed heating elements create a smooth interior floor that’s easier to wipe clean.

High‑power broil elements – powerful upper and lower broilers (including Infrared Heating™ in the upper) for fast searing and browning.

Steam Assist (lower oven) – adds moisture during baking or roasting to help improve texture and prevent foods from drying out.

Automatic safety shut‑off – turns the oven off after a set period to help prevent accidental overcooking or energy waste.

Soft‑closing oven door – gently closes to reduce slamming, noise, and wear on the hinges.

Control Lock / Child Lock – disables the control panel to help prevent unintended use or changes to settings.

Certified Sabbath Mode – adjusts certain functions and lights to meet Sabbath observance requirements.

7" color TFT LCD touch display – large, full‑color screen with intuitive touch controls and clear cooking information.

Film Touch + Glass Touch controls – smooth, modern control surface that’s easy to wipe clean.

Multi‑language display – on‑screen prompts available in English, Spanish, or French.

12‑ or 24‑hour clock option – lets you choose your preferred time format.

Kitchen timer and timed cook – built‑in timer and automatic shut‑off cooking to help prevent overcooking.

Cooking complete beeper with volume control – audible alerts with adjustable volume (High/Low/Off) so you can tailor notifications.

Temperature unit selection – switch between Fahrenheit and Celsius depending on your preference.

Oven temperature probe / meat probe – monitors internal food temperature and alerts you when your roast or poultry reaches the desired doneness.

Included accessories – comes with broiler pan, upper oven glass tray, upper metal tray, upper rack, and temperature probe for immediate out‑of‑box usability.

Multiple rack positions – several rack levels in the lower oven to accommodate tall roasts, multiple baking sheets, or large cookware.

Gliding / roll‑out rack (select models/positions) – makes it easier and safer to access heavy dishes like turkeys or large casseroles.

Essence White glass door with WideView™ window – large glass panel complements the finish and improves visibility into both cavities.

Wi‑Fi and app capable – start preheating, change modes, or check remaining time from your phone, and receive alerts when cooking is done.

ThinQ Care / maintenance alerts – smart monitoring can send notifications about usage patterns or potential issues to help extend appliance life.

Voice‑assistant and smart‑home integration – compatible with select smart‑home platforms for integrated routines (like preheating when you arrive home).

Electric fuel type – provides consistent, even heat and simpler installation compared to gas wall ovens.

Standard 30" cutout fit – designed to fit most 30‑inch wall oven openings for easier replacement of older units.

Energy‑efficient convection cooking – faster, more even cooking can help reduce overall cook times and energy use compared to non‑convection ovens.

2‑year parts and labor warranty – extended manufacturer coverage (compared to many 1‑year warranties) for added peace of mind.

Manufacturer's Warranty: 1 year

Specs
Specification Value
BrandLG Studio
ModelWCES6428N
SeriesLG Studio
TypeElectric wall oven / microwave combination
StyleBuilt-in double (oven / microwave combo)
Fuel TypeElectric
Built-InYes
ColorEssence White
Color FamilyWhite
Handle Color / FinishColor Stainless Steel (Light Bronze)
Handle TypeBar
Handle DesignContemporary
Handle ShapeFlat
KnobsNo
Door StyleDrop down
Oven Door FeatureWideView™ Window
Total Capacity6.4 cu. ft.
Lower Oven Capacity4.7 cu. ft.
Upper Oven Capacity1.7 cu. ft.
Width29.75 in
Nominal Width30 in
Exterior Width30 in
Height43.81 in (43 13/16 in)
Depth (overall)26 29/32 in
Depth (cabinet)24.46 in
Cutout Width28 1/2 in
Cutout Height43 7/16 in
Cutout Depth24 in
Carton Dimensions (W x H x D)33 in x 50 in x 30 in
Oven Interior Dimensions (Lower) (W x H x D)24 1/2 in x 17 5/8 in x 18 7/8 in
Oven Interior Dimensions (Upper) (W x H x D)20 8/11 in x 8 9/25 in x 17 5/13 in
Product Weight204 lb
Shipping Weight239 lb
Flush InstallationYes
Energy Star RatedNo
ADA CompliantNo
Voltage240 V / 208 V
Frequency60 Hz
Required Power Supply60 Hz / 240 V, 208 V
Max. Amp Load40 A
Rating (Power)7.8 kW
Lower Oven Bake Element Power2500 W
Lower Oven Bake Element TypeHidden (8-pass)
Lower Oven Broil Element Power2,500 W inner / 1,500 W outer
Lower Oven Broil Element Pass8
Lower Oven Convection Element Power2000 W
Lower Oven Number of Lights2
Lower Oven Rack Positions5
Number of Racks (total)3
Gliding Rack SystemYes
Upper Oven FunctionMicrowave / Speed Oven / Convection
Upper Oven Bake Element Power375 W
Upper Oven BroilYes
Upper Oven Broil Element Power1200 W (500 W Infrared Heating™ + 700 W Miraclon heater)
Upper Oven Convection BakeYes
Upper Oven Convection Element Power1500 W (sheath heater)
MicrowaveYes
Microwave Mode Power Consumption1650 W
Microwave Power Output950 W
Speed CookYes
Speed Cook – Defrost Menus4 (Meat / Poultry / Fish / Bread)
Speed Cook – Melt Menus5 (Butter / Caramel / Cheese / Chocolate / Marshmallow)
Speed Cook – Sensor Cook Menus9 (Beverage / Casserole / Chicken / Pasta / Pizza / Plate of food / Rice / Soup / Vegetable)
Speed Cook – Soften Menus4 (Butter / Cream Cheese / Frosting / Ice Cream)
ConvectionYes
Convection TypeTrue Convection
Convection FanSingle speed
Convection Power2000 W
Convection ConversionYes
Oven ModesBake / Convection Bake / Convection Roast / Broil / Air Fry / Warm / Proof / Steam Cook (Steam Bake, Sous-Vide) / Auto Cook / Favorite / Clean (Self Clean, EasyClean, Steam Maintenance)
Air FryYes
ProofYes
Variable BroilYes
Variable Cleaning TimeYes
Variable WarmYes
Oven Cleaning TypeSelf Clean and Steam Clean
Self CleanYes
EasyClean® InteriorYes
Steam-CleanYes
Steam FunctionYes
Steam Sous-VideYes
Water ReservoirYes
PlumbedNot plumbed
Control StyleTouch pad
Oven Control TypeTFT LCD film touch + glass touch
Display7 in TFT LCD
Clock12 hr or 24 hr (option)
Kitchen TimerYes
TimerYes
Cooking Complete Reminder VolumeBeeper (Hi, Lo, Off)
Language OptionsEnglish / Spanish / French
Temperature Unit of MeasureFahrenheit / Celsius
Timed CookYes
Weighted LED KnobsNo
Digital ClockYes
Digital Temperature DisplayYes
Smart ApplianceYes
Wi‑FiYes
ThinQ® Smart TechnologyYes
Voice ControlYes
Works with Brand-Specific AppYes (LG ThinQ®)
3rd Party Recipe AppsInnit, SideChef
Remote MonitoringYes
Remote DiagnosticsYes (SmartDiagnosis™)
NFC Tag OnNo
WiFi ConnectedYes
Sabbath ModeYes
Proof ModeYes
Accessories – Broiler PanYes
Accessories – Glass Tray (Upper)Yes
Accessories – Meat ProbeYes
Accessories – Metal Tray (Upper)Yes
Accessories – Rack (Upper)Yes
Accessories – Spray BottleNo
Accessories – Temp ProbeYes
Appliance CategoryWall oven
DrawerNone
Parts & Labor Warranty2 years (standard)
UPC195174070079
Manuals
LG Cooking Step Up Chart 2026 LG Cooking Step Up Chart 2026
Video
WCES6428N
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