ABB ACS550-01 / ACS550-U1 Error 31: EFB 1

ACS550-01/U1 drive · taken from the manufacturer’s manual, pages cited

Fault code31

Fault code reserved for the embedded fieldbus (EFB) protocol application. The manual's first action is: “The meaning is protocol dependent.”

Model
ABB ACS550-01 / ACS550-U1
Display shows
EFB 1 (31)
Type
Fault code
Source
Manual p. 246

What 31 means

EFB 1 p. 263

Common causes

  • Fault code reserved for the embedded fieldbus (EFB) protocol application. p. 263

What to do

  1. The meaning is protocol dependent. p. 263

Before you service the product, read the safety instructions in the manual p. 6.

If 31 is still not resolved

  • contact your local ABB representative for replacement p. 6
    “Never attempt to repair a malfunctioning drive; contact your local ABB representative for replacement.”
  • For more technical information, contact your local ABB representative. p. 7
    “For more technical information, contact your local ABB representative.”
Open the manual at page 246 All ACS550-01 / ACS550-U1 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 31; 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 ABB. Found a mistake? Report an error.