ams-jam Troubleshooting

AMS filament jam on the Bambu Lab A1

Source: Bambu Lab Wiki — clog & troubleshooting Confidence: 80% Verified Aug 9, 2026

The AMS (automatic material system) reports a filament jam, stopping the print.

How to fix AMS filament jam

Clear the AMS jam

Open the AMS, untangle the filament, and reload it correctly.

Source: Bambu Lab Wiki — clog & troubleshooting Confidence: 80% Verified Aug 9, 2026
Difficulty: ★★ Est. 10 min

Check the AMS sensors

Inspect the AMS filament sensors for debris and clean them.

Source: Bambu Lab Wiki — clog & troubleshooting Confidence: 80% Verified Aug 9, 2026
Difficulty: ★★ Est. 10 min

Replacement parts for the Bambu Lab A1

← All Bambu Lab A1 error codes

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