ABB ACH550 Error 2006: A1 LOSS

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

Fault code2006

The drive has detected that Analog Input 1 is missing or its value is below the minimum threshold set by the user. The manual's first action is: “Check: • Input source and connections • Parameter that sets the minimum (3021) • Parameter that sets the Alarm/Fault operation (3001)”

Model
ABB ACH550
Display shows
A1 LOSS (2006)
Type
Fault code
Source
Manual p. 29

What 2006 means

A1 LOSS p. 29

Common causes

  • Analog input 1 is lost, or value is less than the minimum setting. p. 29

What to do

  1. Check: • Input source and connections • Parameter that sets the minimum (3021) • Parameter that sets the Alarm/Fault operation (3001) p. 29

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

If 2006 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.”
Open the manual at page 29 All ACH550 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 2006; 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.