New water pump does nothing.

Hello dear forum, I have an EQ5 TE506501DE /12 Type CTE32Last
week, the machine has said goodbye with a loud bang. (no error message) The FI has also triggered. I switched on the EQ5 again and
noticed that the water pump does not
work.
I then opened the unit and
saw that the housing of the Ulka is burnt and black
.
I then renewed the water pump.
Now to my problem: The new water pump does not pump water and is not audible.
There is still no error message in the display. Electrically I do not know myself so tollaus
, but could ask someone.
I hope you can help me. Many thanks in advance.
Mfg. Oliver

Since it has then probably taken one or more components on the board.
With a little luck only the triac that controls the pump. But there should then already look at someone who knows a little about the matter.

Then I will buy a broken machine and make 2 into one.
Will report.
Greetings Oliver

Hello, I have installed a used board and the machine runs great again.
I have bought 2 used defective machines cheap. To
make
a second machine ready
would still need a steam pipe on the milk frother aufgestecktwird
.
Question: Where can I get such a pipe (looks like an S) at a reasonable price?

Mfg. Oliver