It’s a frustrating situation. Your DELONGHI oven grill is working, but the main oven doesn’t heat at all.
You try different cooking modes, but only some of them seem to respond.
This usually means there’s a problem with how power is being directed inside the oven.
What’s usually causing this?
1. Faulty selector switch
The selector switch controls which function the oven uses. Each setting relies on different internal electrical contacts.
When part of the switch fails, some functions may continue to work while others stop completely.
👉 Common signs:
- The grill works but the oven doesn’t heat
- Some modes work, others do not
- Only certain settings are affected
On DeLonghi ovens, the selector switch — sometimes referred to as the function knob — works alongside the thermostat to direct power to specific elements. Models such as the DEF905 series are known for contact burnout on the switch, where the top and bottom oven element contacts fail while the grill contact continues to function, matching this fault pattern exactly.
2. Heating element issue
If the main oven isn’t heating, the fan or lower heating element may be faulty. This is another common possibility.
3. Internal wiring problem
Loose or damaged wiring can stop certain oven functions from receiving power, leading to partial operation.
If your DELONGHI oven behaves like this, it’s very likely that one of these components needs replacing.
You can browse compatible parts here: DELONGHI SPARE PARTS COLLECTION HERE .
Not sure which part is causing the issue? Contact us and we’ll help you identify it quickly and easily.
Tell us what your oven is doing and we’ll provide a solution 🔧
⚡ We usually reply within minutes.
Need a bit more help first?
If you’d like to understand the problem better before buying, these quick guides can help.