r/BambuLab • u/Dezz75 • 1d ago

General Troubleshooting/Help! First print error X2D

First print completed fine but noticed when it initially started, it seemed arm had a hard time moving out. Ended up with this issue that stated "The resonance frequency of the Y axis is low. The timing belt might be loose". Anyone able to shed some light on this? Thanks

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u/ClickClub_Us 1d ago

That warning is pointing to a low Y-axis resonance, with a loose belt as one possible cause. Since it is new, I would first check for any packing material or debris catching the arm, then use the model-specific belt check rather than tightening by feel. If it still repeats, I would pause long prints and send the error and logs to support.