ABB ACH550 Error 1012: PAR PFA IO 1

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

Fault code1012

PAR PFA IO 1 indicates incomplete I/O configuration for PFA, specifically a mismatch between auxiliary motor count and autochange interval settings. The manual's first action is: “Or, a conflict exists between Group 14, parameter 8117, NR OF AUX MOT, and parameter 8118, AUTOCHNG INTERV.”

Model
ABB ACH550
Display shows
PAR PFA IO 1 (1012)
Type
Fault code
Source
Manual p. 28

What 1012 means

PAR PFA IO 1 p. 28

Common causes

  • IO configuration is not complete – not enough relays are parameterized to PFA. p. 28

What to do

  1. Or, a conflict exists between Group 14, parameter 8117, NR OF AUX MOT, and parameter 8118, AUTOCHNG INTERV. p. 28

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

If 1012 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 28 All ACH550 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 1012; 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.