Error code: ERR_TOOL_LONG 
The difference between the current and previous measured lengths is bigger than expected. The tool might be released from the collet slightly.
How to fix the issue:
- Check the state of the clamped tool and inspect the collet.
- If a tool is slightly released from the collet, please clean the collet using a spindle maintenance kit.
- If you can’t still solve the problem, please contact our support team.
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