Whatsminer M30S – Internal PSU Board Failure
power supply error
Critical — Immediate action required
Symptoms
- Power-related failure
- Miner not powering on or shutting down
- Overheating power components
Step-by-Step Fix
Immediately disconnect power if melting or burning smell detected.
Inspect all power cables and connections for damage.
Verify circuit capacity matches miner power draw.
Use manufacturer-recommended PSU and cables.
Replace any damaged components before restarting.
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
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