While you wait for answers, we may have found some information which could help you.
Click here for Bulb Time LightHow can i fix my Delonghi Microwave/ convection oven?
D1 mean? For delonghi dmx 30?
changing lamp on Delonghi 8525s-sbd?
How to find and replace lamp in Delonghi AC925?
How can I fix - Delonghi Microwave Oven Model: AC925CHS?
dmx50 how to change tha light bulb?