Hash Board Not working

[ghamiz]

Hi guys

i have big problem with my s9 after working in 30 minutes one or two hash board nor working
i flushed frimware with sd card serveral time and updated frimware but not fixed

please some body help me

[Artemis3]

Hi guys

i have big problem with my s9 after working in 30 minutes one or two hash board nor working
i flushed frimware with sd card serveral time and updated frimware but not fixed

please some body help me

Unplug all 3 boards, test each board individually, swap data and power cables, do this for each of the 3 boards.

Don't connect all three, do this test first, its important. It takes time, you should wait at least half an hour to make sure its hashing fine (per board).