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Old 06-12-2018, 14:54   #1
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Join Date: Dec 2018
Location: Seattle, WA
Boat: Nauticat 44
Posts: 1
WH Autopilot

Does anyone have any info on WH autopilot?

I have one of their units that was installed by a previous owner in 2016, and it's correcting course in one direction only. The compass, hydraulic pump and all electrical connections appear to be fine, so it appears to be an issue with the control unit.

I've tried to call WH Autopilots numerous times, and I get only a busy signal. I don't have any documentation on this unit, nor can I find any source for info online. Does anyone know what's happening with Will Hamm? Is there documentation for these units available anywhere?

Thanks for any info you can share.


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Old 06-12-2018, 20:36   #2
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Location: Winnipeg
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Posts: 8,423
Re: WH Autopilot

Bill "btrayfors" has one. Maybe he can help. Try a private message to him.

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Old 07-12-2018, 04:46   #3
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Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
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Re: WH Autopilot

Greetings and welcome aboard the CF, Bob.

“AP4 drives rudder in one direction only
Possible fault
Rudder limit switch not set correctly
• Partial drive circuit failure (FET)”

From ➥
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"

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Old 07-12-2018, 22:37   #4
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Join Date: Jan 2012
Location: Novato, California
Boat: Rafiki 37
Posts: 288
Re: WH Autopilot
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