Repair steps for Antminer S19j pro BHB42601 hash board finds 0 chip
The hash rate of Antminer S19j pro BHB42601 is abnormal, and the kernel log shows that a certain hash board has detected 0 ASIC chips. We need to take out the abnormal board, first check the powering, including the total domain voltage, 20V and 23V boost circuits; if they are normal, continue to check whether the RX signal of the ASIC chip is transmitted normally.
Watch the ZMRC online video to learn detailed troubleshooting methods:
https://course.zeusbtc.com/course-detail-238/R1296-resistor-error-caused-the-Antminer-S19j-pro-hash-board-to-detect-0-ASIC-chip
https://m.primal.net/HZMX.mp4