Delta IA-CNC_Milling Error B621: Invalid halt code

CNC milling machine · taken from the manufacturer’s manual, pages cited

Error codeB621

An invalid halt code was used in the G code for this Delta IA-CNC_Milling machine. The manual's first action is: “Check the G code and the halt code (M code) must be used individually.”

Model
Delta IA-CNC_Milling
Display shows
Invalid halt code (B621)
Type
Error code
Source
Manual p. 430

What B621 means

Invalid halt code p. 430

Common causes

  • The halt code is invalid. p. 430

What to do

  1. Check the G code and the halt code (M code) must be used individually. p. 430

Before you service the product, read the safety instructions in the manual p. 3.

If B621 is still not resolved

  • Contact service / dealer p. 3
    “Refer to the pin assignment when wiring.”

This page summarises what the manufacturer’s manual says about B621; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Delta. Found a mistake? Report an error.