While you wait for answers, we may have found some information which could help you.
Click here for Display Working IdeasMy delonghi Proffessional ESS603 is tripping out the RCD when I put the ove?
How to fix a Delonghi ESF 461 ST Fan Oven?
DeLonghi (DFG 903) Electric Grill not working?
My Delonghi DFS901SS bottom oven heating element trouble?
delonghi oven?
delonghi oven fan working but not heating?