The log shows that the Fan lost or Fan speed low, the reason analysis and solution:
(1) The fan is not connected properly: the fan needs to be reconnected.
(2) The port connecting the control board to the fan is damaged: the control board needs to be repaired or replaced.
(3) The fan is damaged: the fan needs to be replaced.
If you make sure the fans are fine and connected correctly, but the miner still won't run, you should check the control board.
You can also check out ZEUS Troubleshooting.