Canaan Troubleshooting Guide
54 error codes and fixes for Canaan ASIC miners.
Avalon 1246 – ASICCRC Error
Avalon 1246 (78T, 81T, 83T, 87T, 90T SKUs)
Avalon 1166 Pro – 0 Hashboard Detected
Avalon 1166 Pro (75T / 78T / 81T and Pro-S variants). Same...
Avalon 1166 Pro – BOOTBY 0x10 Reboot Loop
Avalon 1166 Pro — all SKUs (68T, 72T, 75T, 78T, 81T). Primary...
Avalon 1166 Pro – Fan Speed 0 RPM
Avalon 1166 Pro (A1166 Pro 68T / 72T / 75T / 78T...
Avalon 1166 Pro – ASICCRC Error
Avalon 1166 Pro (68T, 72T, 75T, 78T, 81T SKUs)
Avalon – AUC USB Connection Lost
Avalon A721, A741, A761, A821, A841, A851, A911, A921, A1041, A1066, A1146,...
Avalon 1246 – Firmware Flash Failure
Avalon A1246 (A3206 silicon); patterns cross-apply to A1146, A1166, A1266, A1346, A1366,...
Avalon 1166 – Low Hashrate
Avalon 1166, Avalon 1166 Pro, Avalon 1166S — any A11-class chassis running...
Avalon – PSU Incompatible Model
Avalon 721, 741, 761, 821, 841, 1026, 1047, 1066, 1066 Pro, 1146,...
Avalon 1246 – LED Error Pattern
Avalon A1246 (A3206 silicon) — with cross-applicable LED logic for A1166, A1266,...
Avalon 1166 – Hashboard Communication Error
Avalon 1166, Avalon 1166 Pro, Avalon 1166 Pro S. Same failure mode...
Avalon 1246 – AUC Overheating
Avalon A1246 (A3206 silicon); directly-applicable patterns for A1146, A1166, A1266, A1346, A1366,...
Avalon 1246 – Fan Buzzing
Avalon A1246 (A3206 silicon, ~360 chips across 3 MMs, ~90 TH/s nameplate)...
Avalon 1246 – AUC Communication Error
Avalon 1246, Avalon 1246 Pro (cross-references 1166 Pro, 1066 Pro, A11/A12 series...
Avalon – AUC Controller Failure
Avalon A10xx, A1066, A1146, A1166, A1246, A1346, A1366, A1466, A15xx (any Avalon...
Avalon – Firmware Flash via AUC
All Avalon controllers that push MM firmware over the AUC3 USB-to-IIC bus:...
Avalon – AUC Controller Network Loss
Avalon 721, 741, 821, 841, 851, 921, 1026, 1047, 1066, 1146, 1166,...
Avalon 1246 – PSU Not Detected
Avalon 1246 (83T/85T/87T/90T/93T/96T); same signature observed on Avalon 1166/1166 Pro with matching...
Avalon 1246 – Low Hashrate
Avalon A1246 (all production batches, A3206 silicon; cross-applicable to A1246I)
Avalon 1166 – Hashboard Not Detected
Avalon 1166 (A3206 chip) | Avalon 1166 Pro | 1166 MaxSpeed variants
Avalon 1246 – Hashboard Not Detected
Avalon 1246 (A3206M chip) | Avalon 1246 Pro | 1246 MaxSpeed bins
Avalon 1166 – Fan Speed Error
Avalon 1166, Avalon 1166 Pro (cross-applicable diagnostic logic to A1066 and A1266;...
Avalon 1246 – Fan Speed Error
Avalon 1246 (all sub-revisions: 1246-83T, 1246-87T, 1246-90T)
Avalon 1246 – Temperature Too High
Avalon 1246 (all sub-SKUs - 81T, 83T, 85T, 87T, 90T), Avalon 1166,...
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