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0c00_0300
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Bambu Lab · FDM 3D Printers
Motor Z Noise Detected - Z-Axis Motor Vibration Anomaly
Quick Answer
Error code 0C00_0300 on your Bambu Lab FDM 3D Printers means: Motor Z Noise Detected - Z-Axis Motor Vibration Anomaly. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
A1A1 MiniP1PP1SX1 CarbonX1E
Likely Causes
  1. Z-axis lead screw needs lubrication
  2. Z motor coupler is misaligned causing vibration on each rotation
  3. Z lead screw has a bent section causing periodic noise
  4. Z motor bearing is worn
How to Fix It
1
Clean the Z-axis lead screw with a dry cloth and apply PTFE-based lubricant
2
Check the Z motor coupler alignment by manually rotating the lead screw and feeling for binding
3
Inspect the lead screw for visible bending by removing it and rolling on a flat surface
4
Listen to the Z motor during homing to identify the noise source
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
PTFE lubricant for lead screw
Replacement Z-axis lead screw
Replacement Z motor coupler
Related Error Codes
0300_01000300_02000300_03000300_04000500_0100
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