How about multimeter? Because without tools you can't able to know if that chip near ASIC #20 is shorted or dead.

Check this troubleshooting guide from Zeusbtc below

- https://www.zeusbtc.com/articles/information/182-antminer-s17-manual-download
- https://www.zeusbtc.com/manuals/Antminer-S17-plus-Hash-Board-Repair-Guide.asp

Why not check that hashboard physically and maybe one of the heatsinks is loose.