Summary of common fan problems (19 series, Z15 series, D7, L7 and other new models)

The following miner fan faults are common in new models such as the 19 series, Z15 series, D7, L7, etc. When the miner fan of this type of model fails, you can troubleshoot them one by one according to the following methods.

1. The hash rate interface shows that the fan is abnormal or the speed is 0

Cause analysis and treatment methods:

The miner has 4 fans, and the fan numbers on the control board correspond to the fan numbers on the user panel of the miner (FAN1, FAN2, FAN3, and FAN4, respectively). Therefore, first, check which FAN is abnormal, and replace the corresponding fan; if the problem is the same after replacing the fan, it means that the control board is damaged; It is recommended to repair or buy a new control board for the replacement.

2. The speed is too high

Cause analysis and treatment methods:

If the fan is damaged, replace the corresponding fan.

Related link:

>> Laser Tachometer SW-6234C

>> Fan parameters

>> How to correctly troubleshoot the problem of the miner's fan?