Delta IA-CNC_Milling Error B640: Overheat

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

Error codeB640

The system detected that the temperature has exceeded its sensing range, indicating possible overheating or sensor malfunction. The manual's first action is: “Check the sensor's output specification.”

Model
Delta IA-CNC_Milling
Display shows
Overheat (B640)
Type
Error code
Source
Manual p. 431

What B640 means

Overheat p. 431

Common causes

  • The temperature exceeds the sensing range. p. 431

What to do

  1. Check the sensor's output specification. p. 431

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

If B640 is still not resolved

  • Contact service / dealer p. 3
    “Refer to the pin assignment when wiring.”
Open the manual at page 431 All IA-CNC_Milling error codes Manual details & download

This page summarises what the manufacturer’s manual says about B640; 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.