Operation Guidelines — Troubleshooting for fans problems from Bitmain miners

We summarize the following scenarios in which you may find the fans are having issues. Scenario No.1——the fan speed is too low Scenario No.2——the fan speed exceeds 7000 Scenario No.3——the kernel log shows the fan is lost or the speed is too low Check the kernel log and if you see the line: Fatal Error: some Fan lost or Fan speed low!,  >>How to copy Kernel Log into text form Scenario No.4——fans are missing in the miner status There should be two fans display in the miner status but you find only one.  Scenario No.5——more than a normal amount of...