While you wait for answers, we may have found some information which could help you.
Click here for Delonghi Electric Cookerwhere are the overload stas on a delonghi dfs090do and what do they look li?
How can I fix my Delonghi DFS 090 DO?
My Delonghi DFS901SS bottom oven heating element trouble?
delonghi oven fan working but not heating?
How do I fix m delonghi oven?
Delonghi electric oven dead?