How to check the operation of the Bondtech extruders (Sigma Series)

In this article you will learn how to check if the extruder motors are in good condition.








To check if the bondtech extruders are working correctly, follow the steps explained in this video:



If the bontech isn’t moving correctly, the problem could be coming from the motor, the E driver, or a bad flat cable connection. To test these options, check the following articles:

If the bondtech extruder is moving correctly but you can not unload the filament, check these articles:

Article: How to manually unload filament


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This article doesn't fix your issue? Check out our forum community for more info about this.


It's important to keep your printer in good shape to make the most out of it. In this chart, you can find a list of the extruder maintenance procedures and how frequently these should be done. Maintenance Plan


bcn3d-recycle    Take your e-waste to a certified recycler. Check how we do it in BCN3D.



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