ST40 Wind problem - SailNet Community

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  #1  
Old 05-23-2012
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ST40 Wind problem

Hi All,

Since I have had my mast back up this year I am getting a 0.0 readout all the time on my ST40 wind instrument, even when the anemometer is spinning away up there. Accoring to the manual if the wiring isn't connected the display will read all dashes which its not doing. I am going to try to calibrate it per the manual tomorrow. Does anyone have any other ideas what to do?

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Old 05-23-2012
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Re: ST40 Wind problem

Is this just a stand-alone instrument or is it on a Seatalk network?
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Old 05-24-2012
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Re: ST40 Wind problem

It is stand alone. We have the ST40 speed/depth but as far as I can see they are not hooked together in any way.
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Old 05-24-2012
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Re: ST40 Wind problem

I had a problem with my ST40 wind where the wiring got pinched on raising the mast, and I think it was registering 0.0, rather than dashes. Seems to me you're going to have to look over the wiring bottom (first) to top.

And further to this topic, I thought long and hard about ST60 vs ST40 wind. Having spent so much money on refitting my old boat over the winter, I was very hesitant to blow 3 times as much money on the ST60. When Defender had ST40 on sale in spring and Westmarine (local, Canada) matched it, the decision was made.

Turns out it works great for my purposes. I really like having a wind speed reading, and it works fine for setting the autopilot to wind angle. The ST60 likely works better for the latter, but the ST40 is just fine.

OP, you really should seatalk your two instruments together so you can get true wind. It only takes a cable.
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Last edited by Ritchard; 05-24-2012 at 10:02 AM.
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Old 05-24-2012
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Re: ST40 Wind problem

Most likely the cable running from the readout to the sensor on the mast. Check connectors first. Since you just put your mast in, the ones at the base of the mast are most suspect.
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Old 05-26-2012
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Re: ST40 Wind problem

Well, checking the connections is probably out. I don't want to have to pull the mast just for that.
Anyone know of anything else I could try? (Even if its a hail mary)...
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