Hello,
I cannot see 2x hash boards on the web, is it mean both are broke? If it is true, are have a way to fix it by self or some service in the EU to fix it?
~snip~
2 of your hashboard not detected did you check if the hashboard 18pin cable is connected properly try to reattach them including the power cable then test it again.
Can you post the kernel logs here as a code
# button? you can find them under system>Kernel logs.
Kernel logs can help us to find the issue.
Look at this article below for the list of repair service globally.
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https://support.bitmain.com/hc/en-us/articles/220138027