Troubleshooting for Antminer: controller & fan

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Troubleshooting for Antminer controller fan IMG 00

This is truouleshooting for Antminer controller & fan problem. Besides the suggestions in Tutorial: General Mining Guide & TroubleShoot for Antminer Models, here are some more troubleshooting ways.

 

Can’t get into miner configuration page

Possible causes and solutions:

 

IP address missing

Possible causes and solutions:

 

Fan undetected

Possible causes and solutions:

  • The fan is not properly connected -> Reconnect the fan
  • Fan port on the control board damaged -> Request warranty repair
  • Fan damaged -> Change the fan or request warranty repair

 

Hash boards undetected

Possible causes and solutions:

  • Cable connection issue -> Power off the miner and reconnect the cable or change the cable.
  • Port damaged -> Request warranty repair
  • Control board problem -> Request warranty repair

 

Hash speed undetected

Possible causes and solutions:

  • Pool issue -> Change to another pool
  • Fan issue -> Change the fan
  • Hash board damage -> Request warranty repair
  • Control board issue -> Request warranty repair
  • Network problem -> Check the network

 

Indicator lights for Internet port not working

Possible causes and solutions:

  • Ethernet cord issue -> Plug the Ethernet cord properly
  • Control board issue -> Request warranty repair
  • Switch issue -> Check the switch

 

Spin speed of fans is too low (the speed difference of the 2 fans should be below 3000)

Troubleshooting for Antminer controller and fan IMG 01

Possible causes and solutions:

  • Change the fan, if it doesn’t help, request warranty repair.

 

Kernel log page shows fan issue

Go to Kernel log page, search “error”, if it shows: Fatal Error: some Fan lost or Fan speed low.

Possible causes and solutions:

  • Fan not connected properly -> Reconnect the fan
  • Fan port on the control board damaged -> Request warranty repair
  • Fan damaged -> Request warranty repair

 

Third fan detected

Possible causes and solutions:

  • Replace the two fans one by one, see it goes away.
  • If both fans changed yet problem persist, request warranty repair.

 

Fan spin speed exceeds 7000

Troubleshooting for Antminer controller and fan IMG 02

Possible causes and solutions:

  • Replace the two fans one by one, see it goes away.
  • If both fans changed yet problem persist, request warranty repair.

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