How to Keep Your DeLonghi Oven Clean and Running Well
What DeLonghi ovens need to stay fresh
DeLonghi makes compact countertop ovens and toaster ovens that heat up quickly and take up less space than a full-sized range. Because they're smaller and sit on your counter, they need different care than a built-in oven — the heating elements are closer to your food, grease builds up faster in the enclosed space, and you'll notice odors more quickly. Regular cleaning keeps the interior from smoking, prevents flavors from transferring between foods, and makes sure the heating elements work evenly.
The good news is that DeLonghi ovens are designed to be cleaned by hand without special tools. You won't need to run a self-cleaning cycle or use harsh commercial oven cleaners. A damp cloth, mild dish soap, and a plastic scraper are usually all you need.
Key Takeaways
- Wipe the interior with a damp cloth and mild soap after the oven cools, at least once a month or whenever you see buildup.
- Remove the crumb tray at the bottom after every few uses and empty it over the trash — this is the fastest way to prevent odors.
- Clean the glass door with a damp cloth and a plastic scraper to keep visibility clear and prevent heat loss.
- Never use oven cleaner spray, abrasive scrubbers, or water on the heating elements themselves.
- Check the user manual for your specific model, as some DeLonghi ovens have removable racks or trays that need different care.
Emptying and cleaning the crumb tray
The crumb tray sits at the bottom of your DeLonghi oven and catches crumbs, grease splatters, and food debris. This is where odors start. Empty it every few uses — don't wait until it's full. A full tray blocks airflow and can cause smoke.
To empty the tray, let the oven cool completely, then slide it out from the front or bottom (check your manual for the exact location on your model). Tip the crumbs into the trash. Rinse the tray under warm water and wipe it dry with a cloth before sliding it back in. If grease has hardened on the tray, soak it in warm soapy water for a few minutes, then scrub gently with a soft brush or cloth.
Wiping down the interior walls and ceiling
Once a month, or sooner if you see splatters or brown spots, wipe the inside of your oven. Let it cool completely first — a warm oven is harder to clean safely and the moisture won't dry evenly.
Mix a small amount of mild dish soap with warm water. Dip a soft cloth or sponge into the mixture and wring it out so it's damp, not dripping. Wipe the interior walls, the ceiling, and the sides. For stubborn spots, let the damp cloth sit on the spot for a minute or two to soften the buildup, then wipe again. Use a plastic scraper (not metal) to gently lift dried splatters if needed. Wipe a second time with a cloth dampened in plain water to rinse away soap residue, then dry with a clean cloth.
Pay special attention to the corners and the area around the heating elements, where grease tends to pool. Do not spray water directly into the heating elements or let water drip onto them.
Cleaning the glass door without damage
A cloudy or spotted glass door makes it hard to see your food and can trap heat inside the oven. Clean it every month or whenever you notice buildup.
Let the oven cool completely. Mix a paste of baking soda and water (about three parts baking soda to one part water) or use a damp cloth with a tiny drop of mild dish soap. Apply the paste or soapy cloth to the glass and let it sit for two to three minutes. Gently wipe with a soft cloth or a plastic scraper held at a low angle — never use steel wool, scouring pads, or abrasive cleaners, which will scratch the glass. Rinse with a cloth dampened in plain water and dry with a clean cloth.
If the glass is very dirty, repeat the process rather than scrubbing harder. Some DeLonghi models have removable glass doors; check your manual to see if yours does. If it does, you can remove it for easier cleaning.
Preventing odors between cleanings
Odors in a small countertop oven build up fast because the space is enclosed and air doesn't circulate like it does in a full-sized oven. The crumb tray is your first line of defense — empty it regularly. Beyond that, a few simple habits make a big difference.
After cooking anything greasy or aromatic, wipe up visible splatters while the oven is still warm (but not hot enough to burn you). This takes 30 seconds and stops grease from hardening and smoking the next time you use the oven. If you're cooking something that tends to splatter — like cheese, tomato sauce, or fatty meats — place a sheet of aluminum foil on the rack below to catch drips. Never line the bottom of the oven itself with foil, as this blocks airflow and can damage the heating elements.
If an odor lingers after cleaning, place a small bowl of baking soda inside the cool oven overnight. Baking soda absorbs odors without adding new smells. Remove it in the morning.
What not to do when cleaning your DeLonghi oven
Some cleaning methods that work on full-sized ovens will damage a DeLonghi countertop oven. Avoid these:
- Commercial oven cleaner spray: These products are too harsh for the interior coating and can damage the heating elements or create fumes in your small space.
- Abrasive scrubbers or steel wool: These scratch the interior walls and the glass door, making them harder to clean next time and creating spots where grease can collect.
- Pouring water into the oven: Water can drip onto the heating elements or into the motor housing and cause electrical damage. Always use a damp cloth, not a stream of water.
- Cleaning the heating elements directly: Never touch the heating coils or rods with a cloth or scraper. If debris is stuck to them, let it burn off during the next use (it will smoke briefly but won't harm the oven).
- Removing the heating elements: Most DeLonghi ovens have fixed heating elements that are not meant to be removed by the user.
When to check your manual for model-specific care
DeLonghi makes many different oven models, and some have features that change how you clean them. Before you start, find your model number (usually on a sticker inside the door or on the back) and look up the user manual online or check the printed manual if you have it.
Some models have removable racks, some have a convection fan that needs to stay clear of debris, and some have a self-cleaning function that you should know about before using. A few minutes with the manual can save you from damaging a part or missing a cleaning step that matters for your specific oven.
Frequently Asked Questions
Can I use vinegar to clean the inside of my DeLonghi oven?
Yes, vinegar is safe to use. Mix equal parts white vinegar and water in a spray bottle, spray it on the interior walls, let it sit for a few minutes, and wipe with a damp cloth. The smell will fade as it dries. Vinegar is gentler than commercial oven cleaners and won't damage the interior coating.
What should I do if the heating elements have food stuck to them?
Do not try to scrape it off. Let the oven heat up during your next use and the debris will burn away, creating some smoke and smell but no damage. Open a window or turn on a fan if the smoke bothers you. Once the oven cools, wipe the interior as usual to remove the ash.
How often should I deep clean my DeLonghi oven?
A full interior wipe with soap and water once a month is enough for most people. If you use the oven several times a week or cook greasy foods often, clean it every two weeks. Empty the crumb tray every few uses no matter what.
Is it safe to line the bottom of my DeLonghi oven with foil?
No. Foil on the bottom blocks airflow and can trap heat, damaging the oven. If you want to catch splatters, place foil on the rack below the food instead, making sure it doesn't touch the heating elements or the oven walls.
Why does my DeLonghi oven smell like burning plastic when I first use it?
New ovens often have a plastic smell the first few times you use them — this is from the manufacturing process and the insulation inside. Run the oven empty at its highest temperature for 10 to 15 minutes with a window open, then let it cool and wipe the interior. The smell should fade after one or two uses.