I have an old ST4000 Mk1 wheel
pilot. When I press Auto, the wheel
slowly is commanded to starboard. If I press -10 deg, it will momentarily turn port, so I know the drive works in both directions. But then it will turn starboard until the off course alarm
activates. I have moved anything metal away from the compass
and tested the wires for resistance and they seem okay (blue to screen
<10ohm, Red-yellow and Red to green <5ohm per spec). Anyone have their autohelm
not keep course like this? I'm in the Caribbean
, so north latitude shouldn't be an issue.... As for calibration, I can only seem to change the deviation in the compass
which has no affect on the issue. I only have the manual for a mk2 and I don't get the list of different Cal
values to change as described there.
Thanks for helping!!