Bitmain Troubleshooting Guide
122 error codes and fixes for Bitmain ASIC miners.
Antminer S19 – High Rejected Share Rate
Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...
ASIC Miner – API Not Responding
All ASIC miners - Antminer S9 / S9j / S9k / L3+...
ASIC Miner – DNS Resolution Failed
All ASIC miners -- Antminer S9, S17, S19, S19 Pro, S19j, S19j...
ASIC Miner – DHCP Failure
All ASIC miners — Antminer S9/S17/S19/S19 XP/S21 families, Whatsminer M30S/M50/M60, Avalon A12/A13,...
ASIC Miner – Network Not Found / No IP
All ASIC miners with RJ45 — Antminer (S9, S17, S19/Pro/j/j Pro/XP, S19k...
Antminer S19 – Cannot Connect to Pool
All Antminer models -- S9, S9i, S9j, S9k, S17, S17 Pro, S17+,...
Antminer S19 – 110V Insufficient Power
Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...
Antminer L7 – Power Cable Overheating
Antminer L7, L7 9.3 Gh, L7 9.5 Gh, L7 9.16 Gh, L7...
Antminer S9 – PSU Voltage Drop
Antminer S9, S9i, S9j, S9k, S9 SE, S9 Space Heater conversions —...
Antminer S19 – PSU Overcurrent Protection
Antminer S19, S19 Pro, S19j, S19j Pro, S19k Pro, S19a, S19a Pro...
ASIC Miner – Underpowered PSU Symptoms
Any ASIC miner whose PSU is undersized, miswired for 110/120V, aged, or...
Antminer – APW PSU Fan Failure
Antminer APW3++, APW7, APW9, APW9+, APW12 (the full Bitmain APW power supply...
Antminer – Power Surge Damage
All ASIC miners — Antminer S9, S17, S17 Pro, T17, S19, S19...
Antminer – PSU Voltage Out of Range
All Antminer models with APW-series PSUs — APW3 / APW3+ / APW3++...
Antminer S21 – PSU Overcurrent Protection
Antminer S21, S21 Pro (all bins) — stock APW21 / APW221-15 PSU...
Antminer – APW PSU Not Powering On
APW3++, APW7, APW9, APW9+, APW12 — across Antminer S9, S9i, S9j, S9k,...
Antminer – Hashboard Short Circuit
Antminer S9, S9i, S9j, L3+, L7, S17, S17 Pro, S17+, T17, S19,...
Antminer L7 – Low Hashrate
Antminer L7 (all bins: 8.3, 8.5, 8.8, 9.05, 9.16, 9.3, 9.5 Gh/s)
Antminer T21 – Low Hashrate
Antminer T21
Antminer S21 – Low Hashrate
Antminer S21, S21 Pro, S21+, S21 Hydro, S21 XP (A3HB70501 hashboard)
Antminer S19 – Hashboard Initialization Failure
Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...
Antminer S19 – Hashboard Voltage Error
Antminer S19, S19 Pro, S19j Pro (same root-cause pattern also affects S19...
Antminer Z15 – Hashboard Not Detected
Antminer Z15, Z15 Pro, Z15e, Z15j
Antminer L3+ – Hashboard Not Detected
Antminer L3+, L3++ (504 MH/s and 580 MH/s revisions); applies to the...
Antminer L7 – Hashboard Not Detected
Antminer L7 (all revisions: 8.0 Gh/s, 8.3 Gh/s, 8.8 Gh/s, 9.05 Gh/s,...
Antminer S19k Pro – Hashboard Not Detected
Antminer S19k Pro (BHB56902 hashboard revision) — 115 TH/s and 120 TH/s...
Antminer S19 XP – Hashboard Not Detected
Antminer S19 XP, Antminer S19 XP Hydro
Antminer T21 – Hashboard Not Detected
Antminer T21
Antminer T19 – Hashboard Not Detected
Antminer T19 (all hardware revisions, 84 TH/s and 88 TH/s SKUs)
Antminer S21 – Hashboard Not Detected
Antminer S21, S21 Pro, S21+, S21+ Hyd, S21 XP, S21 Hydro
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