Antminer T21 – Low Hashrate
Warning — Should be addressed soon
Symptoms
- Hashrate significantly below rated specification
- Some chips not contributing hashrate
- Intermittent hashrate drops
Step-by-Step Fix
Check the dashboard for missing ASIC chips or chains.
Verify operating temperatures are within normal range.
Power cycle the miner.
Check PSU voltage output with a multimeter.
If specific chips are consistently failing, professional chip replacement may be needed.
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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