I have connected old fan, that was originaly on S5. Everything is the same. The board read the RPM, both red LED lights are OFF and no hashing. I tried also changing PSU, that is working and no resolution, still the same problem. I tried also with reset ( hole in front ), problem stays. How can I do HARD reset with black button ? Is my S5 broken and unusable ?
Wow... This entire episode sounds weird. Never heard of this. Maybe doggie can help. Shoot him a PM if he doesn't answer here soon.