ABB ACS550-01 / ACS550-U1 Error 2004: DIR LOCK

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

Fault code2004

The change in direction being attempted is not allowed. The manual's first action is: “Either: • Do not attempt to change the direction of motor rotation, or • Change parameter 1003 DIRECTION to allow direction change (if reverse operation is safe).”

Model
ABB ACS550-01 / ACS550-U1
Display shows
DIR LOCK (2004)
Type
Fault code
Source
Manual p. 267

What 2004 means

DIR LOCK p. 267

Common causes

  • The change in direction being attempted is not allowed. p. 267

What to do

  1. Either: • Do not attempt to change the direction of motor rotation, or • Change parameter 1003 DIRECTION to allow direction change (if reverse operation is safe). p. 267

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

If 2004 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 267 All ACS550-01 / ACS550-U1 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 2004; 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.