ABB ACH550 Error 12: MOTOR STALL

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

Fault code12

MOTOR STALL means the motor is stalled from excessive load, insufficient power, or incorrect parameter settings. The manual's first action is: “Check for and correct: Excessive load. Insufficient motor power. Parameters 3010...3012.”

Model
ABB ACH550
Display shows
MOTOR STALL (12)
Type
Fault code
Source
Manual p. 25

What 12 means

MOTOR STALL p. 25

Common causes

  • Motor or process stall. Motor is operating in the stall region. p. 25

What to do

  1. Check for and correct: Excessive load. Insufficient motor power. Parameters 3010...3012. p. 25

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

If 12 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 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.