Antminer S19 – Low Hashrate (Missing ASIC Chips)
find XX asic, expect YY
Warning — Should be addressed soon
Symptoms
- Hashrate below expected value
- Dashboard shows fewer ASIC chips than expected
- Some chips marked as 'x' or missing in chip status
Step-by-Step Fix
Check the kernel log to identify which specific chips are missing.
Power cycle the miner — sometimes chips fail to initialize on boot.
Reseat the hashboard ribbon cables.
Check hashboard voltage domain connections.
If specific chips consistently fail, they may need professional replacement (BGA rework).
When to Seek Professional Repair
If the steps above do not resolve the issue, or if you are not comfortable performing these repairs yourself, professional service is recommended. Attempting advanced repairs without proper equipment can cause further damage.
Related Error Codes
Still Having Issues?
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