PSU_ERR
Critical
Antminer S19 – PSU Overcurrent Protection
power supply error
Critical — Immediate action required
Affected Models:
Antminer S19
Symptoms
- Power-related failure
- Miner not starting or shutting down
- Voltage instability
Step-by-Step Fix
1
Verify power source and cable connections.
2
Measure PSU output voltage with multimeter.
3
Disconnect hashboards and test PSU with control board only.
4
Replace PSU if output voltage is out of specification.
5
Ensure PSU wattage rating exceeds miner consumption by 10%.
Related Error Codes
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