ABB ACS550-01 / ACS550-U1 Error 24: OVERSPEED

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

Fault code24

Motor speed is greater than 120% of the larger (in magnitude) of 2001 MINIMUM SPEED or 2002 MAXIMUM SPEED. The manual's first action is: “Check for and correct: • Parameter settings for 2001 and 2002. • Adequacy of motor braking torque. • Applicability of torque control. • Brake chopper and resistor.”

Model
ABB ACS550-01 / ACS550-U1
Display shows
OVERSPEED (24)
Type
Fault code
Source
Manual p. 245

What 24 means

OVERSPEED p. 263

Common causes

  • Motor speed is greater than 120% of the larger (in magnitude) of 2001 MINIMUM SPEED or 2002 MAXIMUM SPEED. p. 263

What to do

  1. Check for and correct: • Parameter settings for 2001 and 2002. • Adequacy of motor braking torque. • Applicability of torque control. • Brake chopper and resistor. p. 263

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

If 24 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 24; 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.