ABB ACS550-01 / ACS550-U1 Error 0404: SPEED AT FLT

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

Fault code0404

SPEED AT FLT indicates the motor speed (rpm) at the moment the last fault occurred. The manual lists no action for this code.

Model
ABB ACS550-01 / ACS550-U1
Display shows
SPEED AT FLT (0404)
Type
Fault code
Source
Manual p. 114

What 0404 means

SPEED AT FLT p. 114

Common causes

  • The motor speed (rpm) at the time the last fault occurred. p. 114

If 0404 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 114 All ACS550-01 / ACS550-U1 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 0404; 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.