When a control board is bad, you would expect all kind of weird problems, and honestly, things now are becoming confusing and hard to follow  , can you just not test the bad control board so we all can focus on the good one?


That is unfortunate, I don't know of any trusted suppliers there, but should you need one I think you should contact one of these guys (in no particular order)
-favebook
-thierry4wd
-o_solo_miner

There might be others, but those are off the top of my hand for a list of EU based miners that can be trusted.


More explanation is needed, I don't seem to understand why exactly are you planning on doing.



This line is very strange, I did text Marc (Asic.to) on telegram, let's see what he knows, it seems like a power-related issue, are you sure the PSU you using is APW9+ and the input voltage is 200-240v?

Also, it shows this


Are you sure your pool settings are in place? is Asicboost is activated make sure the pool is AB compatible if this log comes from the bad control board and all this info can be misleading.