Using a Longer B1 30w laser and can’t seem to make it through projects, keeps stopping and giving and Error code 22: Feed rate has not yet been set or is undefined. and i get a lot of Alarm:3 Reset while in motion. Grbl cannot guarantee position. Lost steps are likely. Re-home is highly recommended.
If you add Error 22 and Alarm 3 together, you get “communication error”. For some reason, it appears your USB connection is performing less than ideal.
- Replace the USB cable with one that is shielded and has at least one ferrite (big knot) on it.
- Limit USB cable to 10’ (3 meters) or less.
- Re-seat all the connectors for the USB.
- A failing power supply can cause these symptoms.