Hi Jordi, Starting at timestamp [2022-09-30T22:45:02.978] in your log, there are more than a few move absolute commnads sent in just 6 milliseconds. Sending this many move commands, not sure what it does to timer_hit with all the remove/set's done at the end of MoveAbsFocuser. The above does not help with your autofocus issue, is your power to the unit known good? GeneRead More...