Symptoms and service
What’s changed with your oven?
Conventional, steam and speed-cooking functions use different operating arrangements. In a stacked installation, tell us which appliance or cavity is affected and which controls you were using. The exact model helps us distinguish a normal mode behavior from a change that needs service.
The oven stays cool or heats only partway
Notice whether the issue begins immediately or after an extended preheat. Record the selected function and any display message. Controls that illuminate are useful information, but they do not confirm that the full heating system is operating correctly.
Results vary despite the same routine
Explain the change using a familiar pan, recipe and rack position. If only one mode gives poor results, say which one. A technician needs operating evidence before recommending a sensor, fan or heating component.
A steam or combination function stops
Describe the function and what the display asks you to do. Follow only the normal user steps in the correct manual. Do not dismantle water or heating systems or apply descaling instructions from a different model.
What we check.
We test the reported cooking mode and check heating, temperature sensing, fans and controls as needed. With multiple cavities or combination cooking, we establish which functions still work. That helps narrow the fault before discussing a repair.
Getting ready for service.
Let the oven cool and remove loose pans. Save a photo of any warning and tell us about recent cleaning, descaling or electrical work. Leave the appliance mounted in place. A repeated breaker trip, smoke or visible electrical damage is a reason to stop operation and seek appropriate help.
Which cavity and cooking mode are affected?
- On a double oven, identify the upper or lower cavity.
- Name the mode you were using, such as bake, broil, convection or steam.
- Mention a problem that started after a power interruption, cleaning cycle or recent repair.
For the controls and care instructions specific to your model, consult Thermador owner support .