¶ 1. Phenomenon description
When the Z-axis returns to zero, the nozzle first touches the heated bed.
¶ 2. Cause analysis
The reason for the negative Z-axis compensation value obtained from automatic leveling includes:
① Loosening of the CR-Touch due to transportation
② Piezoelectric ceramic module did not detect during leveling
¶ 3. Troubleshooting and solution
3.1 Inspect CR-Touch Assembly and Wiring
3.2 Replug the wiring of the piezoelectric ceramic module
After checking the above steps, if the problem still cannot be solved, please contact after-sales service cs@creality.com