Wohlenberg MCS2 TV help needed

Hi everyone. This is my first post
I have a problem with wohlenberg MCS2 TV. The cutter is not working .
All functions seems to work fine, except that the knife don't move.
Attached a photo in knive change process. Safety bold moves backward but knive cluctch not.
Also a link to a video in normal operation. Pressing both gripswitches leds 1 and 4 on most right board turns on, but nothing happens.

I need service manual or electric schema at least.

I'm starting to be quite desperate. Any help wil be very appreciated.

My email is : ea7gl@yahoo.es

 

If the safety bolt actuates, does the clamp come down? If yes, check the brushes on your clutch assembly. If not, swap boards 1,2,3 and make the new order 3,1,2. See if that helps or changes.