This is probably a very novice question for Goto/tracking mounts, but I need help in understanding how to stop the mount from slewing past what appears to be 90 degrees. The mount has routinely slewed to the point that the DEC unit makes contact with the side and makes light grinding sounds (I assume that gears are slipping) before I stop it with the hand controller. After that, zero position is way out of whack.
This doesn't appear to cause any significant issues as it continues to work fine after resetting zero position. I've mainly noticed this inside, as there has only been one clear night since I received it two weeks ago.
Is this more of an issue because I don't have GPS lock and proper polar alignment when using it indoors? I am using Stellarium to slew and attempting to plan a sequence of imaging based on what's visible at various times.
I noticed the "Meridian Treatment" settings on the hand controller, but left them at the default values.
Any tips or clarification would be great.