MC Fan always run

Hi Vectrix Fans.

My Vectrix have a little problem :(
In the last couuple of days I have The encodr Error and my vectrix stops completely.
After opening the encoder housing many water comes out.
I drying all and now my vectrix drives normally :)
The only issue is my mc fan..

When I turn on the mc fan always run and never stop :(

Whats the problem with my vectrix??

Thanks for your answers.

CU and many miles with joy :)

Mario

P.S. with my bad english....