C250 ERROR c0301 suction fan motor

[Toxic]

I have to reply to myself
It was fan in right door M10.
It was stucked.

[Woxner]

although these are turning there is a circuit to measure speed. i have never replaced a board for this. always been the fan

[Toxic]

I never had this error till now on this one machine.
This fan did not turning at all and after some hand rotating it starts.
Maybe i will have to replace at end because it have some "buzzing" sound when working.