I have the exact same issue except mine is worse.
Not showing temp.
Showing 55 ASIC instead of the standard 63. Currently Hashing at around 900 GH/S.
Ive rebooted all the different ways, and updated the firmware. I saw somewhere someone mentioned using an EVGA Power Supply as that fixed the issue? Im currently using the 3++.
Just got this yesterday

Thinking of sticking it out with the 10.5 AVG TH/S Im currently getting til I recoup my cost and am still within warranty timeframe.
Any other ideas??