Antminer S19 refresh screen failure - S19 Kernel Log

Refresh screen glitches refer to repeatedly posting the same message on the same page or sending the same message on different pages.

So when this phenomenon occurs in the backstage of the Antminer S19's diary, what is the reason? How to solve it?

Troubleshooting method: 

If there is a spam failure in the backstage failure, you need to check whether the chip's RI and CO signal voltages are normal. Generally, start the investigation from the first field, find the BM1398 ASIC chip with abnormal voltage, and replace it.

Test method: Use fluke 15B+ multimeter DC gear, red test lead to connect to the corresponding heat sink, and black test leads to test. Whether the measured voltage result is abnormal can be compared with the resistance value of other chips in the same domain.

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