ASIC miner overheating: a quick checklist
A starter checklist for a miner running hot or throttling: airflow, fans, dust, ambient temperature and thermal paste.
Outline. Replace it with your own steps and check them against the miner model’s documentation.
Heat is the quiet killer of mining hardware. A miner that runs hot loses hashrate first and chips later.
Airflow and environment
- Confirm the intake and exhaust sides are not blocked or recirculating hot air
- Check the room temperature against the manufacturer’s stated range
Fans
- Check every fan spins and reports a sensible speed in the miner’s status page
- Replace any fan that is noisy, slow or stopped
Dust and thermal contact
- Clean dust from heatsinks and fan grills with the miner unplugged
- Look for dry or cracked thermal paste if a single board runs hotter than its neighbours
Log it
Note the temperatures before and after each change so you can see what actually helped.
Safety first: unplug the miner and let it cool before opening it, and never open a power supply unless you are trained to. Repairing a miner may void its warranty.
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