Canaan Troubleshooting Guide
99 error codes and fixes for Canaan ASIC miners.
Avalon 1366 – Temperature Too High
AvalonMiner 1366 (A1366) - 130 TH/s nameplate, A3206 ASIC family, MM3v2 control...
Avalon 1366 – Fan Speed Error
Avalon 1366 (A1366 130T nameplate, 3,420 W, MM3v2 control board)
Avalon 1366 – Hashboard Not Detected
Avalon 1366 (standard 130T bin), Avalon 1366 MaxSpeed, and mixed-bin 1366 fleets....
Avalon 1346 – Low Hashrate
Avalon A1346 (all production batches, including 104 / 107 / 110 /...
Avalon 1346 – Temperature Overheat Shutdown
AvalonMiner 1346 (A1346) - 104 TH/s nameplate, A3205 ASIC family, MM3 control...
Avalon 1346 – Fan Speed Error
Avalon 1346 (all sub-revisions — 104T, 107T, 110T, 113T, 116T, 120T, 126T...
Avalon 1346 – Hashboard Not Detected
Avalon 1346 (104 TH nameplate, A3218 silicon). Chassis shares control-board / PSU...
Avalon 1266 – Low Hashrate vs Nameplate
Avalon 1266 - any A12-class chassis running the Canaan A3206 ASIC.
Avalon 1266 – Fan Speed Error
Avalon 1266 (A1266 100 TH/s / 96 TH/s variants, 3,500 W, MM3-series...
Avalon 1266 – Hashboard Failure
Avalon 1266 (100 TH / ~3400W chassis). Same PSU family, same AUC3...
Avalon 1246 – Only 2 Hashboards Detected
Avalon 1246 (all variants: 83T, 85T, 87T, 90T). Same A3206 chip family,...
Avalon 1246 – PSU Communication Lost
Avalon 1246 (all SKUs, ~81-90 TH/s class). Same PSU family and AUC3...
Avalon 1246 – Reboot BOOTBY Code Diagnosis
Avalon 1246 — 87T, 88T, 90T SKUs · A3210 ASIC chips (114...
Avalon 1246 – ASIC Chip Temperature Abnormal
Avalon 1246 (81T, 83T, 85T, 87T, 90T SKUs). Directly applicable to Avalon...
Avalon 1246 – Hashboard Domain Voltage Abnormal
Avalon 1246 (all variants — 83 TH / 87 TH / 90...
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...
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