M5 Unilateral Z-Axis Abnormal Troubleshooting Steps

1. Initial Check:

• Turn off the machine and move the Z-axis to the bottom by hand.
• Restart the machine to check if the movement and jamming issues persist.
• If the problem remains, proceed with the following steps:

Check Z-Axis Motor Wire:

• Remove the bottom cover plate.
• Check if the Z-axis motor wire is loose or inserted upside down.
• If the wire is normal, re-insert it and run the Z-axis again to see if the issue is resolved

Check Z-Axis Components:

• Check if the Z-axis threaded rod and coupling are properly secured in the slot.
• Manually move the Z-axis up and down to check for looseness. If loose, follow these steps:

Remove Z-Axis Motor Wire:

• Pull out the Z-axis motor wire.
• Remove the Type-C wire fixing bolts and pull out the Type-C wire.
• Remove the 8 Z-axis fixing bolts and the gantry assembly from the base.

Inspect and Fix Coupling:

• Remove the loose Z-axis motor fixing screws.
• Pull out the Z-axis motor and threaded rod.
• Check if the screws at the coupling are loose. If loose, fix the motor and thread the rod again.
• Reinstall the machine by reversing the disassembly steps.

• Reassemble:
  • After fixing the issues, reinstall the machine in the reverse order of disassembly.

5. Check for Motor Damage:

• If the above steps do not resolve the issue, the motor might be damaged.

• If you have any questions, please contact us for assistance.