ABB ACH550 Error 2003: UNDERVOLTAGE

AC drive · taken from the manufacturer’s manual, pages cited

Fault code2003

The drive has detected a low voltage condition because the under voltage controller is active. The manual's first action is: “Check for and correct: • Undervoltage on mains.”

Model
ABB ACH550
Display shows
UNDERVOLTAGE (2003)
Type
Fault code
Source
Manual p. 29

What 2003 means

UNDERVOLTAGE p. 29

Common causes

  • Under voltage controller is active. p. 29

What to do

  1. Check for and correct: • Undervoltage on mains. p. 29

Before you service the product, read the safety instructions in the manual p. 2.

If 2003 is still not resolved

  • contact the factory or your local Authorized Service Center for repair or replacement. p. 2
    “Never attempt to repair a malfunctioning ACH550; contact the factory or your local Authorized Service Center for repair or replacement.”

This page summarises what the manufacturer’s manual says about 2003; 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.