| Problem | Likely Cause | Solution | |---------|--------------|----------| | Miner not hashing after update | Config mismatch | Factory reset → re-enter pool settings | | Web UI inaccessible | Wrong IP or firmware crash | Use IP reporter tool (Bitmain’s IPReporter) or check router DHCP list | | High hardware errors (>2%) | Overclock too aggressive | Lower frequency in | | Fans at 100% constantly | Temperature sensor error or firmware bug | Downgrade to last stable version | | Stuck on "Upgrading" | Corrupt file or low space | Power cycle (risk) → Recover via SD card |