While you wait for answers, we may have found some information which could help you.
Click here for Machine Red LightDelonghi Esam6600 Primadonna coffee machine?
How to replace PCB?
Infused problem with Delonghi Magnifica S?
Delonghi ESAM 440 ?
How do I hard reset my delonghi magnifica esam 4400?
How do I remove the broken steam knob from my Delonghi Icona?