ABB ACS550-01 / ACS550-U1 Error 12: MOTOR STALL

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

Fault code12

MOTOR STALL indicates motor or process stall, operating in stall region. The manual's first action is: “Check for and correct: • Excessive load. • Insufficient motor power. • Parameters 3010...3012.”

Model
ABB ACS550-01 / ACS550-U1
Display shows
MOTOR STALL (12)
Type
Fault code
Source
Manual p. 245

What 12 means

MOTOR STALL p. 262

Common causes

  • Motor or process stall. Motor is operating in the stall region. p. 262

What to do

  1. Check for and correct: • Excessive load. • Insufficient motor power. • Parameters 3010...3012. p. 262

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

If 12 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 12; 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.