If your Xhorse dolphin XP005L (Dolphin II) key cutting machine had error code 6.
Example 1: When doing height calibration, dolphin ii got error 6.
Example 2: Error 6 when trying to cut a toy 40 Blade the machine did decode the original but would not cut the blank. Using a 1.5 mm cutter and after full calibration it still would not cut.
If it is a new machine, follow the instructions here to check conductivity and milling probe.
How to Detect Xhorse Dolphin XP005 Probe and Cutter Conductivity?
If it is an old machine, do a conductivity test and send test video to xhorse engineer for analysis.