Hello all,
I have with my DeLonghi ECAM 352.52.SB unfortunately after 2 years the following problem
:- first the machine has always indicated when descaling to put a drip tray underneath (although a large vessel was underneath)
- after switching off / on came the error message white circuit empty and the machine has flushed water without the level bar has moved-
I have then cleaned the flow sensor->
new problem: machine takes 10x as long and almost 1l water to preheat and prepare coffee - the level bar moves only minimally forward.
I ordered and installed a new flow sensor, problem still persists 
Do you have any idea what it could be?
Thanks a lot!!!
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