David, I would talk to Raymarine. Usually, a problem like that could be that the unit is not strong enough for the size of the boat, but the ST4000+ should be able to drive the 34+, even under power.
All the best, Edd Edd M. Schillay Starship Enterprise C&C 37+ | Sail No: NCC-1701-B City Island, NY Starship Enterprise's Captain's Log <http://enterpriseb.blogspot.com/> > On Aug 26, 2015, at 12:04 PM, David Knecht via CnC-List > <cnc-list@cnc-list.com> wrote: > > I was on a long cruise last weekend and we ended up motoring for many hours. > installed a new Raymarine EV1/ST4000+ wheel pilot last winter and this was > the first extended use. I found that it was frequently cutting out while > motoring (not sailing). The unit would simply freeze up and stop steering > while the boat drifted slowly off course. No error on the P70 controller > screen until I got an off course warning. I also noticed the wheel pilot > getting warm/hot when this was happening which may be why it cut out. > I also notice that while motoring, there is significant pull on the wheel > that has to be fought to keep the boat going straight. Is that normal? I am > guessing that the wheel pilot is overheating due to the power needed to > continuously fight that pull? Thanks- Dave > > Aries > 1990 C&C 34+ > New London, CT > > <pastedGraphic.tiff> > > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the bottom > of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com >
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