Bitmain Troubleshooting Guide
121 error codes and fixes for Bitmain ASIC miners.
ASIC Miner – API Not Responding
All ASIC miners
ASIC Miner – DNS Resolution Failed
All ASIC miners
ASIC Miner – DHCP Failure
All ASIC miners
ASIC Miner – Network Not Found / No IP
All ASIC miners
Antminer S19 – Cannot Connect to Pool
All Antminer models
Antminer S19 – 110V Insufficient Power
Antminer S19
Antminer L7 – Power Cable Overheating
Antminer L7
Antminer S9 – PSU Voltage Drop
Antminer S9
Antminer S19 – PSU Overcurrent Protection
Antminer S19
ASIC Miner – Underpowered PSU Symptoms
Any miner with insufficient PSU
Antminer – APW PSU Fan Failure
APW3++, APW7, APW9, APW12
Antminer – Power Surge Damage
All ASIC miners
Antminer – PSU Voltage Out of Range
All Antminer models with APW PSU
Antminer S21 – PSU Overcurrent Protection
Antminer S21, S21 Pro
Antminer – APW PSU Not Powering On
APW3++, APW7, APW9, APW9+, APW12
Antminer – Hashboard Short Circuit
All Antminer models
Antminer L7 – Low Hashrate
Antminer L7
Antminer T21 – Low Hashrate
Antminer T21
Antminer S21 – Low Hashrate
Antminer S21
Antminer S19 – Hashboard Initialization Failure
Antminer S19, S19 Pro, S19j Pro, S19 XP
Antminer S19 – Hashboard Voltage Error
Antminer S19, S19 Pro, S19j Pro
Antminer Z15 – Hashboard Not Detected
Antminer Z15
Antminer L3+ – Hashboard Not Detected
Antminer L3+
Antminer L7 – Hashboard Not Detected
Antminer L7
Antminer S19k Pro – Hashboard Not Detected
Antminer S19k Pro
Antminer S19 XP – Hashboard Not Detected
Antminer S19 XP
Antminer T21 – Hashboard Not Detected
Antminer T21
Antminer T19 – Hashboard Not Detected
Antminer T19
Antminer S21 – Hashboard Not Detected
Antminer S21
Antminer S17 – Hashboard Not Detected
Antminer S17, S17 Pro, S17+, S17e
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