To be more precise I should have said it rotates past the 30 degree point where it should stop. I have never let it go further than about 120 degrees before i abandon and hit stop. In fact, now, before starting PA, I rotate the scope to the west using the mount control and then park and unpark before initiating PA. I had I similar problem of PA stopping when I had an Ioptron cem26 mount but I cannot remember what I did to get around it.
Mike

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