Hi, I have a AM5 bought early december 23 (288s PE period). Since the beginning I noticed that there is some backlash on the DEC axis, a very disturbing one indeed. Attached are two reports of the guiding assistant of PHD2. As you can see, on one of them, the backlash looks like a classical backlash coming from the drive belt, BUT on the other one it is very strange, is is a delayed backlash after the reversal.
Did anybody experienced the same kind of behaviour? Is it normal? Should I complain or not? The price tag is a range where you expect something working appropriately and I am frustrated. I struggle to achieve a reasonable guiding performance. I am in the range of 0.5-0.8arcsec (forgeting the jerky time window when it goes up 1.2arsec) with an evoguide 50/242 + flattener, Altair GP3 290M (ASI290MM impossible to source), PHD2 Ascom driver to get 12bit depth (with the direct driver offering only 8bit depth it is a nighmare). I am guiding an APO 90/f6.
Thank you for your insight.