Machine

GRBL, connection, homing and alarm codes.

• GRBL alarm and error codes explained

  What every GRBL alarm and the common error codes actually mean, why alarms and errors are different things, and what to do about each one at the machine.

• Connecting a laser: USB, WiFi and what firmware you have

  How to tell which firmware your controller runs, why the browser can talk to it directly, and what to check when a connection drops mid-job.

• Why your laser got worse: cleaning and maintenance

  A cut that worked last month and fails today is usually a dirty lens, not a dying tube. What to clean, how often, and what to check before blaming power.

• Troubleshooting a laser, by symptom

  Not cutting through, wrong size, offset engraving, scorched edges, will not connect. What each symptom usually means and what to check first.