Bitmain Troubleshooting Guide
122 error codes and fixes for Bitmain ASIC miners.
APW3++ No 12V Output and Fan Not Spinning
Bitmain APW3, APW3+, APW3++ (1200W @ 110-120V / 1600W @ 200-240V). Host...
Antminer S19 – Kernel Panic After OC
Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...
ASIC Miner – Mining Pool Authentication Failed
All ASIC miners — Antminer S9, S17, S19, S19 Pro, S19j, S19j...
Antminer – Undervolting Too Aggressive
Antminer S9, S9j, S9k, S17, S17 Pro, S17+, S19, S19 Pro, S19j,...
ASIC Miner – Overclocking Instability
All Antminer models with overclock or autotune profiles: S9, S17, S19, S19...
Antminer S21 – ASIC Chip HW Errors
Antminer S21, S21 Pro, S21+, S21 Hydro, S21+ Hydro, S21 XP, T21
Antminer S19 – High Hardware Error Rate
Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...
Antminer S9 – PSU Not Detected
Antminer S9, S9i, S9j, S9k, S9 SE — any S9-class control board...
Antminer – 220V to 110V Wrong Connection
Antminer S9, S9i, S9j, S9k, S9 SE, S17, S17 Pro, S17+, S19,...
ASIC Miner – PDU Overload
Any rack-mounted or bench PDU feeding Antminer S9, L3+, S17, S19, S19...
ASIC Miner – Circuit Breaker Tripping
All ASIC miners on residential or light-commercial power: Antminer S9 / L3+...
Antminer S21 – Power Cable Melting
Antminer S21, S21 Pro, S21+, S21 XP, S21 Hydro, T21
Antminer S19 XP – PSU Overheating
Antminer S19 XP, Antminer S19 XP Hydro (APW12-platform edge cases)
Antminer T19 – Low Hashrate
Antminer T19, Antminer T19 Hydro (limited runs)
Antminer S19j Pro – Low Hashrate
Antminer S19j Pro (104 TH/s, 3,068 W, `240-Cb`), S19j Pro 100 TH/s...
Antminer S17 – Low Hashrate
Antminer S17, S17 Pro, S17+, S17e
Antminer S9 – Low Hashrate
Antminer S9, S9i, S9j, S9k, S9 SE — any S9-class control board...
Antminer – Loose Heatsink Rattle
Antminer S9, S9i, S9j, S9k, S9 SE, L3+, L3++, L7, T17, S17,...
ASIC Miner – PSU Buzzing Noise
Any ASIC with external or integrated PSU: Antminer APW3++, APW7, APW9, APW9+,...
Antminer L7 – Vibration Noise
Antminer L7 (all hashrate bins: 8.3 Gh, 8.5 Gh, 8.8 Gh, 9.05...
Antminer – Fan Blade Damage Noise
Antminer S9, S9i, S9j, S9k, L3+, S17, S17 Pro, S17+, T17, S19,...
ASIC Miner – Coil Whine from Hashboard
All ASIC and open-source mining hashboards with on-board DC-DC (buck) conversion —...
Antminer S21 – High-Pitched Whine
Antminer S21, S21 Pro, S21+, S21 Hydro, S21+ Hydro, S21 XP, T21
Antminer S9 – Fan Bearing Failure
Antminer S9, S9i, S9j, S9k, S9 SE, S9 Space Heater editions
Antminer S19 – Abnormal Fan Noise
Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...
Antminer – IP Report Button Not Working
Antminer S9, S9i, S9j, S17, S17 Pro, S17+, T17, L3+, L7, S19,...
Antminer – Control Board Clock Drift
Antminer S9, S17, S17 Pro, S19, S19 Pro, S19j, S19j Pro, S19...
Antminer – Green LED No Hashing
Antminer S9, S9i, S9j, S9k, T17, S17, S17 Pro, S17+, S19, S19...
Antminer S19 – Control Board Power Connector Damage
Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...
Antminer – Control Board Ethernet Port Failure
Antminer S9, T9, R4, L3+, T17, S17, S17+, S17 Pro, T19, S19,...
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