Delta IA-CNC_Milling Error 4FFD: Position feedback protection

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

Error code4FFD

Position feedback did not change when motion command was issued. The manual's first action is: “Confirm servo settings; for example, the torque limit value is too small.”

Model
Delta IA-CNC_Milling
Display shows
Position feedback protection (4FFD)
Type
Error code
Source
Manual p. 424

What 4FFD means

Position feedback protection p. 424

Common causes

  • When the motion command is issued, the position feedback did not change. p. 424

What to do

  1. Confirm servo settings; for example, the torque limit value is too small. p. 424

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

If 4FFD 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 4FFD; 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.