I checked the cable and it's good. The peeps over at parallel miner said this PSU should be OK. I was going to get the 2400w version, but didn't. I think I can get 1800w on 110 with it. Could this just be a power issue? I did remember one of the boards in the miner getting pretty hot, around 90.

2400W version (I am on 110) https://www.parallelminer.com/product/bitmain-antminer-s9j-power-supply-2400w-110-240v-94-platinum/