ABB ACH550 Error 1008: PAR PFAWOSCALAR

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

Fault code1008

PAR PFAWOSCALAR indicates that motor control mode must be scalar for speed, but it's not set correctly when PFA is enabled. The manual's first action is: “9904 MOTOR CTRL MODE must be = 3 (SCALAR: SPEED), when 8123 PFA ENABLE is activated.”

Model
ABB ACH550
Display shows
PAR PFAWOSCALAR (1008)
Type
Fault code
Source
Manual p. 28

What 1008 means

PAR PFAWOSCALAR p. 28

Common causes

  • Parameter values are inconsistent. p. 28

What to do

  1. 9904 MOTOR CTRL MODE must be = 3 (SCALAR: SPEED), when 8123 PFA ENABLE is activated. p. 28

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

If 1008 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 1008; 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.