Bitmain Troubleshooting Guide

122 error codes and fixes for Bitmain ASIC miners.

Manufacturer

Severity

DIY Difficulty

122 results

Antminer S17 – Hashboard Not Detected

Antminer S17, S17 Pro, S17+, S17e

Antminer S9 – Hashboard Not Detected

Antminer S9, S9i, S9j, S9k, S9 SE

Antminer S19 – Low Hashrate (Missing ASIC Chips)

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19k Pro

Antminer S19 – Hashboard Not Detected (0 ASIC)

Antminer S19, S19 Pro, S19j Pro, S19 XP, S19k Pro

Antminer – Fan RPM Too Low

All Antminer models — S9 / S9i / S9j / S17 /...

Antminer S19 – Fan Grinding Noise

Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19 XP Hydro,...

Antminer L7 – Fan Speed Error

Antminer L7 (all revisions: 8.0 Gh/s, 8.3 Gh/s, 8.8 Gh/s, 9.05 Gh/s,...

Antminer S17 – Fan Speed Error

Antminer S17, S17 Pro, S17+, S17e (and T17 chassis sharing the same...

Antminer T21 – Fan Speed Error

Antminer T21 (190 TH/s, air-cooled chassis)

Antminer T19 – Fan Speed Error

Antminer T19 (84 TH/s and 88 TH/s production runs), T19 Hydro (limited...

Antminer S21 – Fan Speed Error

Antminer S21, S21 Pro, S21+, S21 Hydro, S21+ Hydro, S21 XP, T21

Antminer S9 – Fan Speed Error

Antminer S9, S9i, S9j, S9k, S9 SE

Antminer S19 – Fan Speed Error

S19 · S19 Pro · S19j Pro · S19 XP · S19...

ASIC Miner – Thermal Paste Degradation

Every ASIC older than 18-24 months — Antminer S9 / S17 /...

Antminer KA3 – Temperature Too High

Antminer KA3 (all batches, stock firmware and common third-party builds)

Antminer D9 – Temperature Too High

Antminer D9 (X11 / Dash miner, ~1.77 GH/s nameplate, ~1500 W wall...

Antminer Z15 – Temperature Too High

Antminer Z15 · Z15 Pro · Z15e · Z15j (Equihash-144,5 / Zcash...

Antminer L3+ – Temperature Too High

Antminer L3+

Antminer L7 – Temperature Too High

L7 8.3 Gh/s · L7 8.5 Gh/s · L7 8.8 Gh/s ·...

Immersion Cooled Miner – Fluid Temperature Too High

Any immersion-cooled ASIC miner — Antminer S19 / S19j Pro / S19...

Antminer S19 – ASIC Chip Temperature Imbalance

Antminer S19, S19 Pro, S19j Pro

Antminer S19 XP – Temperature Too High

Antminer S19 XP · S19 XP Hydro (air-cooled limits differ from hydro...

Antminer S19k Pro – Temperature Too High

Antminer S19k Pro

Antminer S19 Hydro – Coolant Temperature Too High

Antminer S19 Hydro (~145 TH/s at 5365 W), S19 Pro Hydro (~184...

Antminer S19 – Inlet/Outlet Temperature Differential Too High

Antminer S19, S19 Pro, S19j Pro, S19 XP, S21

Antminer S19 – Temp Sensor Failure

Antminer S19, S19 Pro, S19j Pro, S19 XP

Antminer S17 – Temperature Too High

Antminer S17, S17 Pro, S17+, S17e

Antminer T21 – Temperature Too High

Antminer T21

Antminer T19 – Temperature Too High

Antminer T19 (all hardware revisions, 84 TH/s and 88 TH/s SKUs). BM1398...

Antminer S9 – Temperature Too High

Antminer S9, S9i, S9j, S9k, S9 SE

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Last reviewed May 25, 2026.