Not an answer but I thought it was coming from the holes where the drip tray moulding fits into the main body. This must be a switch of some kind which signals the greater or lesser quantity.
Roger
October 2023
Not an answer but I have the same problem! Any ideas?
Caroline Partridge
November 2021
Automatic Answer
While you wait for answers, we may have found some information which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix coffee machines.