Bitmain Antminer S19 Series High-Temperature Alert and Protection

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Bitmain Antminer S19 should always work in environments with temperatures below 35 degrees Celsius, otherwise the miner will go into high temperature protection mode and shut down.

For example, a S19j Pro hash board working temperature is 85 degree Celsius maximum, anything beyond will cause the miner to go into high temperature protection mode and shut down.

Additionally, if the hash rate is zero, the miner may not be operating because of the high temperature protection mode.

You can examine the kernel log of the miner to make sure. The warning about high temperatures that is displayed in the miner’s kernel log is shown in the image below.

High Temperature Alert and Protection

When temperature exceeds the acceptable range, other miners like Antminer S19, Antminer S19 XP, and Antminer S19 Pro will also enter this mode.

The primary causes of high temperature must be addressed. Turn off the power for about two minutes, and then restart the miner. The high temperature protection mode, however, will still cause the miner to shut down if the outside temperature rises too much.

Reduce the outside temperature so that the miner’s body temperature doesn’t rise too high.

Please take apart the front fan to clean the dirt since dust buildup in the miner will also result in protection from high temperatures.

Read more: How to Clean Bitmain Antminer S19j Pro?

Please send the miner back for repair if none of the aforementioned methods worked and the temperatures are rising and affecting hash rate.

Long-term high temperature will reduce the service life of the mining machine.

Please get in touch with us if you have any questions so we can help.

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