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Old 04-09-2016, 17:39   #1
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Location: Oyster Bay, NY
Boat: Sea Sprite 34
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Simrad Pilot issue/question

Hi- so I have a ap24 pilot on my boat that was installed ~4years ago. She was always reliable and kept a solid track in flat or disturbed seas. She was a stand alone system and was not connected to any chartplotter. In short, never had any issues. 3 weeks ago, we installed the new B&G Zeus system and synced it up with the Simrad pilot. The original installation went well and everything seemed to be calluberated and operating correctly. Fast forward, we are now having issues with the Simrad system because it does not "save" the commissioning instructions and when I go to turn back on and push "Auto" the pilot registers "rudder feedback failure." We tried almost everything, brand new network, new pilot computer. Any other ideas? Any help would be greatly appreciated.
Btw. Love every other aspect of th Simrad and B&G products. Very smooth and user friendly.

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Old 07-09-2016, 20:25   #2
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Re: Simrad Pilot issue/question

I had a problem somewhat like this, but not exactly. For kicks, make sure you always power up the AC12 or AC24 (whichever you have) before you apply power to the Zeus. On my system if I power up the NSO EVO II before powering up the AC12, the AC would be forever gone and unrecognizable to other devices. To get it out of this hiung state, you need to cycle power on the NMEA 2000 bus. Cycling power on the AC12 or AC42 is not enough. You need to cycle power on the N2K bus. Then as long as the AC12/24 is always powered up first, it woudl work fine. We wasted a lot of time and returned a couple of AC12s before I figured out what was going on and how to recover from it.

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Old 07-09-2016, 22:28   #3
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Re: Simrad Pilot issue/question

it should not matter what is turned on first.

nothing in the pilot should have been changed or recommissioned when the screen was added. so I don't see what adding the screen would do to the pilot.

the only thing that may have happened (unless the installer played with the pilot for some reason) is when you did the auto source select on the plotter it may have chossen the rudder feedback for itself. and if something wrong was chosen it may have changed the pilot setting as well.

which feedback unit do you have? is it the nmea 2000 one or is it direct to the pilot? (I think one is the 300 and one is the 25?)

if it's giving you a feedback error I would start there. the screen should have no effect
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Old 08-09-2016, 07:15   #4
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Re: Simrad Pilot issue/question

Originally Posted by smac999 View Post
it should not matter what is turned on first.
I agree it "shouldn't" matter, but we found this very obscure bug where it did matter. Once I figured out the sequence, it was 100% reproducible and I could lock up the AC12 at will. It would remain locked up across power cycles (turning off the breakers), and appeared to be a dead AC12. Our N2K bus was powered from another breaker, and it turned out that cycling that breaker brought the AC12 back to life.

I don't know what interaction between what components caused it - only how to make it happen and then recover from it. I don't know if the OP is encountering something similar, but it's real easy (probably) to kill power to everything, including the N2K bus, then power up the bus and AC12/24 BEFORE powering up the Zeus. If it doesn't help then he as wasted little time and can move on. If it does work, it will have saved him a lot of aggravation.
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Old 08-09-2016, 09:24   #5
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Re: Simrad Pilot issue/question

Yah, try making sure the NMEA bus is powered up first before anything else.

Then make sure the correct rudder feedback unit is selected. Make sure they are all on the same instance as well.
S/V Gudgeon
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