If coulter pressure is set manually or by SmartForce, the fan speed changes automatically.
The throttle for the singling pressure is set incorrectly.
To check the throttle setting for the singling pressure:
Use the tractor control unit to set the singling pressure, Setting the singling pressure with the tractor control unit.
or
Use the slide-on pump to set the singling pressure, Adjusting the singling pressure with the slide-on pump.
The coulter pressure in the track is set higher than 20 bar.
To check the coulter pressure setting in the track:
Set the coulter pressure in the track, Adjusting the coulter pressure in the track.