Ninja DCT451 12-in-1 Smart Double Oven
IMPORTANT SAFETY INSTRUCTIONS
- To eliminate a choking hazard for young children, discard all packaging materials immediately upon unpacking.
- Take inventory of all contents to ensure you have all the parts needed to properly and safely operate your oven.
- This appliance can be used by persons with reduced physical, sensory, or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning the use of the appliance in a safe way and understand the hazards involved.
- To eliminate a choking hazard for young children, discard all packaging materials immediately upon unpacking.
- DO NOT use an extension cord. A short power-supply cord is used to reduce the risk of children grabbing the cord or becoming entangled and to reduce the risk of people tripping over a longer cord.
- NEVER use an outlet below the counter level.
- Keep the appliance and its cord out of reach of children. DO NOT allow the appliance to be used by children. Close supervision is necessary when used near children.
- DO NOT let cord hang over edges of tables or counters or touch hot surfaces, including stoves and other heating ovens.
- NEVER leave the oven unattended while in use.
- If food contents were to catch fire during cooking, DO NOT open the oven door.
- If you can safely do so, unplug the oven immediately.
- DO NOT throw water onto the fire. Food contents may contain grease and water may cause fire growth.
- If a fire were to emit from the oven door, call the fire department immediately.
- DO NOT use the oven after it has experienced a fire, it may have been damaged and present a risk of fire or shock.
PARTS & ACCESSORIES
- A. Main Unit (attached power cord not shown)
- B. Air Fry Basket
- Install when using the Air Fry function. Hand-wash recommended.
- C. Sheet Pan(s)
- Place on top of the wire rack. Hand-wash only.
- D. 2 Wire Racks
- Use on its own or place the sheet pan on top. Hand-wash recommended.
- E. Removable Crumb Tray
(already installed in the unit) Must remain installed when the top oven is in use. Also able to use in the bottom oven. Hand-wash only. - F. Foodi® Smart Thermometer
- G. Foodi® Thermometer Holder
COMMON–SENSE PRACTICES/GOOD HABITS:
- DO NOT leave your toaster oven unattended while making food. If possible, unplug the oven while not in use to eliminate the possibility of accidents occurring.
- Have a fire extinguisher or fire containment blanket handy in a safe, known location. If you don’t have a fire extinguisher, and douse the flames with baking soda until they are put out.
- If a fire occurs and the food in the oven is not greasy, immediately unplug the unit and douse the flames with water until the fire is extinguished. DO NOT use water if grease is present, since it could make the fire worse. Use baking soda instead
BEFORE FIRST USE
- Remove and discard any packaging material, promotional labels, and tape from the unit.
- Remove all accessories from the package and read this manual carefully. Please pay particular attention to operational instructions, warnings, and important safeguards to avoid any injury or property damage.
- Wash the air fry basket, sheet pans, wire rack, and removable crumb tray in warm, soapy water, then rinse and dry thoroughly. DO NOT put a sheet pan or removable crumb tray in the dishwasher. Finishes may degrade. NEVER submerge the main unit in water.
USING THE CONTROL PANEL
- FUNCTIONS
- Once you’ve selected a function below, you can change temperature/shade and time/slices
- TOP OVEN:
- BROIL: Evenly broil meats or fish and brown the tops of casseroles.
- TOAST: Toast up to 6 slices of bread to your desired level of darkness.
- BAGEL: Perfectly toast up to 6 bagel halves when they’re placed cut-side up on the wire rack.
- BAKE: Evenly bake everything from your favorite cookies to cakes.
- REHEAT: Heat leftovers without over cooking.
- KEEP WARM: Keep food warm after cooking.
- BOTTOM OVEN:
- WHOLE ROAST: Simultaneously roast large proteins (like a 4½-lb chicken) and sides for a complete meal.
- AIR ROAST: Achieve a crispy outside and perfectly cooked inside for full-sized sheet pan meals, thicker proteins, and roasted veggies.
- AIR FRY: Foods that would traditionally be fried—such as chicken wings, French fries, and chicken nuggets—with little to no added oil.
- CONVECTION BAKE (CONV. BAKE):
- It even bakes cookies, cakes, brownies, and other goods faster.
- PIZZA: Cook frozen or homemade pizzas evenly.
- DEHYDRATE: Dehydrate meats, fruits, and vegetables for healthy snacks.
CONTROL PANEL DISPLAY & OPERATING BUTTONS
- (Power) button: Press to turn the unit on and off.
- SHADE: Illuminates when using the Toast or Bagel function to designate desired shade.
- SLICES: Illuminates when using the Toast or Bagel function to designate a number of slices.
- Time display: Shows the cooking time. The time will count down when cooking is in progress.
- Temperature display: Shows the cooking temperature
- PREHEAT: PRE will display on the clock while the oven is preheating. If the oven is already up to temperature from using a previous cooking function, the unit will skip preheating and the cook timer will start.
- TOP and BOTTOM buttons: To select a cooking function, press the TOP button and turn the dial to select Top Oven functions (Broil, Toast, Bagel, Pizza, Reheat, and Keep Warm) or the BOTTOM button and turn the dial to select Bottom Oven functions (Whole Roast, Air Roast, Air Fry, Convection Bake, Pizza, and Dehydrate). Press and hold the TOP or BOTTOM button for 3 seconds to turn off that oven.
- TEMP/SHADE button: To adjust the temperature, press the TEMP/SHADE button (Top Oven) or the TEMP button (Bottom Oven), then rotate the dial to increase or decrease the temperature in 5-degree increments. When using the Toast or Bagel function, the dial will adjust the shade level from 1 (lightest) to 7 (darkest) instead of the temperature.
- TIME/SLICES button: To select a cook time, press the TIME/SLICES button (Top Oven) or the TIME button (Bottom Oven), then rotate the dial to increase or decrease time in 1-minute increments under 1-hour and 5-minute increments over 1 hour. When using the Toast or Bagel function, these buttons will adjust the number of slices/bagel halves instead of the time.
- SMART FINISH button: When cooking in both ovens, press before pressing the START/STOP dial to have both ovens finish at the same time.
- START/STOP dial Push to start or stop cooking. When using both ovens, START/STOP will start or stop both ovens. To Stop or Start one oven, press TOP or BOTTOM then the START/STOP dial.
- (Light) button: Press to turn the oven’s interior light on and off.
WHEN TO USE THE ROAST TRAY
- Use a Roast Tray on a Sheet Pan when cooking on convection functions (such as Whole Roast, Air Roast, and Air Fry), or with greasy foods like: whole chicken, chicken wings, bacon, marinated meats, or oiled vegetables.
- Recommended:
USING YOUR FOODI® DOUBLE OVEN
USING TWO OVENS WITH SMART FINISH
- Press the POWER button to turn the oven on or off.
- Press TOP and turn the dial to select the top oven functions. Press TOP again to confirm function selection.
- Press the TEMP/SHADE button and then turn the dial to set the cooking temperature for the top oven function (shade darkness will be adjusted for Toast and bagels). Press again to confirm the setting
- Press the TIME/SLICES button and turn the dial to set the cooking time for the top oven function (the number of slices will be adjusted for Toast and Bagels). Press again to confirm the setting.
- Press BOTTOM and turn the dial to select bottom oven functions. Press again to confirm the setting.
- Press the TEMP button and then turn the dial to set the cooking temperature for the bottom oven function. Press again to confirm the setting.
- Press the TIME button and then turn the dial to set the cooking time for the bottom oven function. Press again to confirm the setting.
- To use different settings in both ovens and have them finish at the same time, press the SMART FINISH button. Set after setting the function, and temperature for one oven then setting the other or set after setting the function, temperature, and time for both ovens
USING YOUR FOODI® DOUBLE OVEN – CONT.
USING SMART FINISH WITH THE FOODI® SMART THERMOMETER:
Make sure the thermometer jack is free of any residue and the cord is free of knots before plugging it into the jack.
- Remove the thermometer from storage. Then unwind the cord from the corn wrap to remove the thermometer.
- Plug the thermometer into the jack on the right side of the control panel until it clicks in place.
- If using the top oven, press the TOP button and turn the dial to choose function (e.g. Broil or Bake) for the top oven then press TEMP/ SHADE and turn the dial to set oven temperature. If using the bottom oven, press the BOTTOM button and turn the dial to choose a function (e.g. Whole Roast, Air Roast, Air Fry, or Conv.) for the bottom oven then press TEMP and turn the dial to set the oven temperature. Press TEMP/SHADE (Top Oven) or TEMP (Bottom Oven) button then rotate the dial to set the oven temperature.
Preset Cooking Chart
FOOD TYPE: PRESET WEIGHT EXAMPLES | |||
Pork | Small | 4 each, (4-6 oz each) | Italian Sausages |
2 each, (10-12 oz each) | Bone-In Pork Chops | ||
Large | 1 each (2 lbs) | Pork Tenderloin, | |
1 each (4-5 lbs) | Pork Loin/Roast | ||
Chicken | Small | 3-4 each, depending on size (8-12 oz each) | Boneless Chicken Breast |
3-4 each depending on size (6-10 oz) | Bone-In Chicken Thighs | ||
Large | 1 each (5 lbs) | Whole Chicken | |
Beef | Small | 2-4 each depending on size (6-12 oz each) | Steak |
Large | 1 each (3-4 lbs) | Top Round | |
Fish | 3-4 each depending on size (4 oz each), or 1 each (12-16 oz each) | Salmon Fillets or Side of Salmon |
HOW TO CORRECTLY INSERT THE THERMOMETER
FOOD TYPE | PLACEMENT | CORRECT | INCORRECT |
Tenderloins Fish fillets Whole fish Prime rib Lamb rack Brisket Pork Shoulder Pork Loin Chuck Roast | • Insert thermometer horizontally into the center of the thickest part of the meat. • Make sure the tip of the thermometer is inserted straight into the center of the meat, not angled toward the bottom or top of it. • Make sure the thermometer is close to (but not touching) the bone and away from any fat or gristle.
NOTE: The thickest part of the fillet may not be the center. It is important that the tip of the thermometer hits the thickest part so desired results are achieved. | ![]()
| |
Whole chicken | • Insert the thermometer horizontally into the thickest part of the breast, parallel to, but not touching, the bone. • Make sure the tip reaches the center of the thickest part of the breast and doesn’t go all the way through the breast into the cavity. | | ![]() |
ACCESSORIES FOR PURCHASE
- We offer a suite of accessories custom-made for your Ninja® Double Oven. Visit ninjaaccessories.com to expand your capabilities and take your cooking to the next level.
TROUBLESHOOTING & FAQ
FAQ
- Why won’t the oven turn on?
- Make sure the power cord is securely plugged into the outlet.
- Insert the power cord into a different outlet.
- Press the power button.
- Contact a licensed electrician if a faulty outlet is suspected.
- Can I use the sheet pan instead of the air fry basket with the Air Fry function?
- Yes, but crispiness results may vary.
- Do I need to adjust the cook times and temperatures of traditional oven recipes?
- For best results, keep an eye out on your food while cooking. Refer to cook charts in the Inspiration Guide for more guidance on cook times and temperatures.
- Can I restore the unit to its default settings?
- The oven will remember the last setting used for each function, even if you unplug it. To restore the oven’s default settings for each function, press the TEMP/SHADE and TIME/SLICES buttons simultaneously for 5 seconds.
- Why do the heating elements appear to be turning on and off?
- This is normal. The oven is designed to control temperature precisely for every function by adjusting the heating elements’ power levels.
- Why does the oven have a different temperature reading with an external thermometer?
- Convection ovens circulate air differently than traditional ovens, so when the door is opened, more heat will escape. This may affect any external temperature reading of the unit’s interior temperature.
- Since this is a convection oven, it can cook more quickly than a traditional oven. Convection cooking includes a fan that helps speed up cooking time by circulating hot air and can affect temperatures within the cavity. The time it takes the unit to heat up to the set temperature will vary based on the amount of food being cooked, the function being used, and the cooking temperature and time. The oven features an algorithm that ensures temperature and time settings work with most traditional oven recipes. As a result, the temperature inside the oven may differ from the set temperature. This does not impact cooking quality. Refer to the Inspiration Guide to learn more about recommended cook times and temperatures.
- Why is my unit not fully preheated when the preheat cycle is completed?
- During preheating, the unit will not reach the intended cooking temperature, but it will preheat to a level that will start cooking your ingredients. As the cook cycle continues, the oven will continue to heat up and cook your food to doneness. It may take up to 10 minutes for the unit to reach the intended cook
temperature. This does not affect the cooking quality of most recipes. - Why is steam coming out from the oven door?
- This is normal. Foods with a high moisture content may release steam around the door.
- Why is water dripping onto the counter from under the door?
- This is normal. The condensation created by foods with a high moisture content (such as frozen foods) may run down the inside of the door and drip onto the counter
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Ninja DCT451 12-in-1 Smart Double Oven-FAQs
How does the Ninja Double Oven work?
The oven features two wire racks, an oven tray, a roast tray, and an air fry basket. A high-velocity fan, rear heat source, and surround airflow evenly circulate superheated air, ensuring fast and crispy results without flipping food or rotating trays.
Can the Ninja oven dehydrate food?
Yes, the Ninja oven includes a dehydrate function, along with air fry, roast, broil, bake, pizza, toast, and bagel settings.
How do I turn off the Ninja oven?
Press the power button to turn off the oven. Allow it to cool completely before cleaning, moving, or flipping for storage. Always unplug the unit by grasping the plug, not the cord.
What is the bake function used for?
The bake setting provides even heat from the top and bottom without fan assistance. It’s ideal for cakes, cookies, and frozen pizza. The roast setting is better for tray bakes, quiches, and veggie burgers.
What are the benefits of a double oven?
A double oven allows you to cook multiple dishes at different temperatures simultaneously. It offers flexibility, extra capacity, and faster cooking while still being efficient for smaller meals when using only one compartment.
Can I slow cook in the Ninja Dual Oven?
No, the Ninja Dual Oven does not have a slow cook function. However, Ninja Foodi Multi-Cookers do support slow cooking along with pressure cooking and air frying.
Does a double oven cook faster?
Yes, a double oven heats up and cooks faster than a standard oven. The smaller cooking chambers make it more efficient at maintaining temperature, leading to quicker preheating and cooking times.
Is the Ninja oven safe?
Yes, the oven is designed for durability with NeverStick™ Technology, a nonstick coating that is metal-utensil safe and allows easy food release. The handle and nonstick coating are oven safe up to 500°F.