ABB ACS550-01 / ACS550-U1 Error 1004: PAR AO SCALE

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

Fault code1004

PAR AO SCALE indicates inconsistent parameter values for analog output scaling. The manual's first action is: “Check for any of the following: • 1504 MINIMUM AO1 > 1505 MAXIMUM AO1. • 1510 MINIMUM AO2 > 1511 MAXIMUM AO2.”

Model
ABB ACS550-01 / ACS550-U1
Display shows
PAR AO SCALE (1004)
Type
Fault code
Source
Manual p. 246

What 1004 means

PAR AO SCALE p. 264

Common causes

  • Parameter values are inconsistent. p. 264

What to do

  1. Check for any of the following: • 1504 MINIMUM AO1 > 1505 MAXIMUM AO1. • 1510 MINIMUM AO2 > 1511 MAXIMUM AO2. p. 264

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

If 1004 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 1004; 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.