Quote from: jakaba on Today at 01:37:45 PM

UPDATE:

A few weeks ago the retailer send back my defective hashboard.
They put my hashboard into a different S17+. This caused the miner to not even start hashing on any of the boards.
From what I understand this means that my hashboard cannot work together with hashboards from a different S17+.

Therefore I am left with 2 options:

1. Do nothing and have my miner run with 2 "new" hashboards
2. Send my miner in, and receive a used S17+ as replacement

Option 1 will leave me with 2/3 of a new S17+
Option 2 will leave me with 3/3 of a used S17+

I am not really sure whats better, given that 3/3 of a used S17+ may have a shorter lifetime compared to 2/3 of a new S17+.

Any thoughts or recommendations? I am eligible for a used replacement miner until December 2020.

I wouldn't say that used one may have shorter lifespan. It's actually luck based and your new one might break in a month while used one keeps working for years to come. You cannot really predict it.

I'd personally go with 3/3 of used one if it has been used in normal conditions and if it is 100% working stable for 48h+. Otherwise I'd go with Phil's suggestion. Also, if new one has warranty is an additional game changer.

Since beginning of cold weather, my S17+ started acting up as well. I kept loosing the same two boards over and over again after 12h+ of working perfectly every day. When I looked into him, I checked data cables, tried different combinations, checked heatsinks and found that only 2 specific hashboards are making problems even thought they never went past 80C nor have they been making problems for previous 1 year. Therefore, I went to check PSU and found that one PSU fan is not even turning. My assumption is that PSU is making my boards fail. But I am not sure why would it target only 2 specific ones (even though I tried putting them in different data cable ports as well as different PSU clips.
I will revert back once I change PSU if anyone is interested.