While you wait for answers, we may have found some information which could help you.
Click here for Model Oven GrillMy 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?
What is likely to be wrong with my DeLonghi cooker model ESS 601 W?
DeLonghi (DFG 903) Electric Grill not working?