Autohelm ST7000 Troubleshooting? Turns one way, but not the other......

Redhook98

Seaman Apprentice
Joined
May 30, 2007
Messages
38
I just picked up a 1988 Carver 3807. It came with an Autohelm ST7000 head unit in a closet. Turns out all the rest of the equipment was still installed, but they snipped the wires for the control unit when they installed an older GPS. Anyway, I pulled all the old electronics out and reinstalled the ST7000 control unit. Works great, but in only one direction. Motor will command the rudder to Port, but not to startboard. It shows the correct positioning of the rudder when manually moving it. When turning Starboard (manually) when the unit is in Auto, it will compensate and return to Port. Just wont turn to Starboard when in Auto. Any ideas? Maybe this is why they disconnected it in the first place?
 
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