ABB ACH550 Error 4: SHORT CIRC

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

Fault code4

SHORT CIRC indicates a fault current caused by a short-circuit in motor cables or supply disturbances. The manual's first action is: “Check for and correct: A short-circuit in the motor cable(s) or motor. Supply disturbances.”

Model
ABB ACH550
Display shows
SHORT CIRC (4)
Type
Fault code
Source
Manual p. 24

What 4 means

SHORT CIRC p. 24

Common causes

What to do

  1. Check for and correct: A short-circuit in the motor cable(s) or motor. Supply disturbances. p. 24

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

If 4 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 4; 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.