WD MyCloud GEN1 - Bricked? or Bootloop - Need Help

Hello,

I come from Germany so that is why my English is extremely bad. *Sorry*
But I hope it is understandable enough.

I do not know what exactly happened, but my wd gen1 doesn´t boot no longer correct.

The led lights up for a few minutes red I think, it could also be orange / green.
Then the LED goes off and directly on again exactly in the colors again.
It looks like a bootloop.

Access over Lan doesn´t work...
So I connected the wd hdd over sata directly to the pc.
In geparted I could not find any errors with the partitions(layout).
And the raid works correctly, i think.
The content on md0 and md1 also exists.

What can I do to fixed the "bootloop"?
Without a re- or newinstall of Debian and OMV Erasmus 3.0.69
on WD My Cloud 6TB GEN1.

BIG THX

Thanks.

The Problem is that i can´t connect over Lan.
The Networkinterface didn´t have a Ipadress.
DHCP or Static did not works so that i can not connect over SSH to the Drive.

Is there an automatic created Log file after the normally Boot?
that Shows any Errors and the bootup?

So then i can connect the Drive over Sata to the PC and read this Log.