I seem to recall that the Raymarine autopilot has to be linearized when first installed, but also if any of the instruments on the Seatalk buss are changed. Linearization consists of turning two 360 degree slow turns (about three to five minutes each). Your owner's manual has the steps to take. Even if you don't think you need to do this, do it anyway. I had to do that when I installed a new wind transducer. Other things you can check are: make sure there is nothing (iron or steel) near the magnetic sensor for the autopilot, and also make sure that there is no RF close to the autopilot wiring. For the latter, try running without the VHF turned on.
Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR On Thu, May 24, 2018 at 2:16 PM, Tom Buscaglia via CnC-List < cnc-list@cnc-list.com> wrote: > Recently my X5 autopilot has lost its way. It seems ok at first. Then > begins to over correct course changes and then goes down hill from there. > > We are out on our first cruise of the year over the long US weekend. It > started acting up. Are starting the pilot seems to help. It oat for > long then after a few hours of minor issues the sailing instruments went > out. > > The breaker was tripped. Resting worked fine for w while. But then went > out again. Last try I just avoided using the pillar and it seemed like > that is the source of the problem. Longer run tomorrow. So I should be > able to confirm that. > > A few questions for the C&C hivemind... > > Any simple way to diagnose the pilot head? > > How much to replace the pilot? > > How much to replace the wheel pilot with a below deck set up? > > Thought, recommendations and pithy remarks are appreciated. > > thx > > Tom Buscaglia > S/V Alera > 1990 C&C 37+/40 > Vashon WA > P 206.463.9200 > C 305.409.3660 > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://urldefense.proofpoint. > com/v2/url?u=https-3A__www.paypal.me_stumurray&d=DwICAg&c= > clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r= > 9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m= > B71HaZqLELn0WZRL42ASIN5m1zsxLpudcfuVv69_A00&s=-bYpA7uEvjeO6QcZoAy- > f0jDcKNDECD8wQYRC-ivSpw&e= > > >
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