ABB ACS550-01 / ACS550-U1 Error 1001: PAR PFC REF NEG

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

Fault code1001

PAR PFC REF NEG indicates a negative reference value when PFC is enabled. The manual's first action is: “Check for the following: • 2007 MINIMUM FREQ is negative, when 8123 PFC ENABLE is active.”

Model
ABB ACS550-01 / ACS550-U1
Display shows
PAR PFC REF NEG (1001)
Type
Fault code
Source
Manual p. 246

What 1001 means

PAR PFC REF NEG p. 264

Common causes

  • Parameter values are inconsistent. p. 264

What to do

  1. Check for the following: • 2007 MINIMUM FREQ is negative, when 8123 PFC ENABLE is active. p. 264

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

If 1001 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.”

This page summarises what the manufacturer’s manual says about 1001; 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.