I've been trying to get my setup going for 2 months. Almost had it two nights ago, everything except for ST4 guiding worked. Now, without any updates or changes, the shutter doesn't open and the cooling doesn't connect.
The camera takes images with the shutter closed as if they were darks (but I have selected Lights). Power on cooling shows an increase, but nothing actually happens on the camera. Temperature doesn't go down. Fan doesn't start.
Excluded faulty camera, I have tested in Windows , works fine.
Strangest thing is: this happens in all my PC. Desktop PC (amd64) and Raspberry Pi (armfh Ubuntu). It used to work with both!
I even did a clean installation of the OS, fresh Kstars and indilib installation - no use.
Normally I would have blamed the camera, but works fine in Windows.
I'm just about ready to give up on this and go back to Windows. It's just too unreliable.
Thanks for your efforts developers, I'll make sure to check every few months and see if the problems have been fixed