While you wait for answers, we may have found some information which could help you.
Click here for Loud Noise WaterHow do I hard reset my delonghi magnifica esam 4400?
How to replace PCB?
How do I remove the broken steam knob from my Delonghi Icona?
My delonghi coffee machine diffuser has dropped?
Delonghi Esam6600 Primadonna coffee machine?
DeLonghi Magnifica XS?