Just a heads up for the people watching this thread.  I now have an L3 that is misbehaving.  I will start to drop boards until it stops hashing.  The boards will show up with X's on them.  You can tell it to reboot in the software and most of the time it comes back to normal operation for a while, but it falls off again.  I just power cycled that miner to see if it has any effect.  If it were a board issue they wouldn't come back to life on a reboot so it is implying a software or controller issue.  

Not sure how I am going to address this yet since this isn't available in the US market.  But I will keep you posted.

I would say that this might be why Bitmain hasn't released more batches... But then I thought about it and dumping bad miners on the community has never stopped them before... Look at the S9 and R4...