Bambu Lab Integration Version

Oct 13, 2025 by talynt.org 116 views

Bug: Loading a Filament into the AMS Re-Enables the Button after a Fixed Timeout

In this article, we will be discussing a bug that occurs when loading a filament into the AMS (Automatic Material System) of a 3D printer. The bug causes the button to re-enable after a fixed timeout, which can lead to unintended consequences and potentially cause issues with the printing process. We will delve into the details of the bug, its reproduction, and the expected behavior.

The bug in question is related to the AMS system, which is responsible for loading and unloading filaments from the 3D printer. When a filament is loaded into the AMS, the button that controls the unload process is re-enabled after a fixed timeout. This is problematic because it can cause the printer to attempt to unload the filament prematurely, leading to issues with the printing process.

To reproduce the bug, follow these steps:

Load a filament into the AMS system.
Wait for the filament to become active.
Observe the button that controls the unload process.
After a fixed timeout, the button will re-enable.

The expected behavior is that the button that controls the unload process should remain disabled until the filament is fully loaded and active. This ensures that the printer does not attempt to unload the filament prematurely, which can cause issues with the printing process.

The device being used to reproduce the bug is the X1C, a 3D printer manufactured by Bambu Lab.

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Unfortunately, there is no known workaround for this bug at this time. However, we recommend that users exercise caution when loading filaments into the AMS system and monitor the printer's behavior closely to avoid any potential issues.

In conclusion, the bug that causes the button to re-enable after a fixed timeout when loading a filament into the AMS system is a serious issue that can lead to unintended consequences and potentially cause issues with the printing process. We recommend that users exercise caution when loading filaments into the AMS system and monitor the printer's behavior closely to avoid any potential issues.

We will continue to monitor the situation and work with the Bambu Lab team to resolve this issue. In the meantime, we recommend that users keep their software up to date and report any further issues or bugs to the Bambu Lab support team.

Home Assistant Version: The version of Home Assistant being used is not specified.
Bambu Lab Integration Version: The version of the Bambu Lab integration being used is v2.1.8.
Other Information: No additional information is available at this time.

Based on the information available, we recommend that users:

Exercise caution when loading filaments into the AMS system.
Monitor the printer's behavior closely to avoid any potential issues.
Keep their software up to date.
Report any further issues or bugs to the Bambu Lab support team.
Bug: Loading a Filament into the AMS Re-Enables the Button after a Fixed Timeout - Q&A

In our previous article, we discussed a bug that occurs when loading a filament into the AMS (Automatic Material System) of a 3D printer. The bug causes the button to re-enable after a fixed timeout, which can lead to unintended consequences and potentially cause issues with the printing process. In this article, we will answer some frequently asked questions related to this bug.

A: The AMS system is a feature of some 3D printers that allows for automatic loading and unloading of filaments. When a filament is loaded into the AMS, the system takes control of the filament and ensures that it is properly seated and ready for printing.

A: The expected behavior of the AMS system when loading a filament is that the button that controls the unload process should remain disabled until the filament is fully loaded and active. This ensures that the printer does not attempt to unload the filament prematurely, which can cause issues with the printing process.

A: The cause of the bug is not yet fully understood, but it is believed to be related to a timing issue in the AMS system. When a filament is loaded into the AMS, the system takes a certain amount of time to fully load the filament and become active. However, the button that controls the unload process is re-enabled after a fixed timeout, which can cause the printer to attempt to unload the filament prematurely.

A: To reproduce the bug, follow these steps:

Load a filament into the AMS system.
Wait for the filament to become active.
Observe the button that controls the unload process.
After a fixed timeout, the button will re-enable.

A: The consequences of the bug can be serious and potentially cause issues with the printing process. When the button is re-enabled after a fixed timeout, the printer may attempt to unload the filament prematurely, which can cause the print to fail or produce poor quality results.

A: Unfortunately, there is no known workaround for this bug at this time. However, we recommend that users exercise caution when loading filaments into the AMS system and monitor the printer's behavior closely to avoid any potential issues.

A: To report the bug to the Bambu Lab support team, follow these steps:

Go to the Bambu Lab support website.
Click on the "Report a Bug" button.
Fill out the bug report form with as much detail as possible.
Submit the bug report.

A: If you experience issues with the AMS system, we recommend that you:

Exercise caution when loading filaments into the AMS system.
Monitor the printer's behavior closely to avoid any potential issues.
Keep your software up to date.
Report any further issues or bugs to the Bambu Lab support team.