[C320-list] Issues with ST4000+ Autopilot

[John Stetson]

Greg, thank you for the feedback.  Yes, I do have a position indicator, but
it seems to be working as it should.  I recalibrated it today.



John Stetson
Morning Star...Again
Hull 578
1999


On Sun, Jul 14, 2024 at 1:48 PM Greg Arnold via C320-list <
c320-list at lists.catalina320.com> wrote:

> Do you have a rudder position indicator?  If you do and it fails, you
> could get behavior like this.
>
> On 7/14/2024 10:32 AM, John Stetson via C320-list wrote:
> > Our Raymarine ST4000+ Autopilot system is original, installed in 1999.
> > When activating the AUTO mode, the helm goes hard to port.  We have
> > verified the Dealer settings and recalibrated, including successfully
> > turning the boat to swing the compass.  Intermittently, the autopilot
> will
> > work correctly and then, unpredictably, initiate the same turn on its
> own.
> > We have confirmed that there are no ferrous metals within 0.8 m of the
> > fluxgate compass.  Would appreciate any words of wisdom short of
> upgrading
> > to the Evolution EV-100 Wheel Sail Autopilot.
> >
> >
> > John Stetson
> > Morning Star...Again
> > Hull 578
> > 1999
>