Antminer S19 – Fan Grinding Noise
Warning — Should be addressed soon
Symptoms
- Grinding or rattling noise from fan area
- Fan RPM may fluctuate
- Noise worsens over time
Step-by-Step Fix
Identify which fan is making the noise by briefly stopping each fan with a finger (be careful).
A grinding noise indicates bearing failure — the fan should be replaced soon.
Order a compatible replacement fan before complete failure.
Replace the failing fan. Do not wait for complete failure as overheating can damage hashboards.
Related Error Codes
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