They were extremely helpful, answering my email even on a Sunday!
After some forth an back with additional tests they confirmed that likely some electronic part is blown, and that I should send the unit in. However, I have still not managed to do this (have to drive to post office in the next town ). Currently I use the EAF I also have for focusing....
openSUSE Tumbleweed KStars git INDI git
GPDX+EQMOD, CEM60EC, ASI1600+EFW+EAF+ASI290 mini