ABB ACH550 Error 101: SERF CORRUPT

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

Error code101

SERF CORRUPT error indicates an internal drive error requiring contact with ABB support. The manual's first action is: “Contact your local ABB sales representative and report the error number.”

Model
ABB ACH550
Display shows
SERF CORRUPT (101)
Type
Error code
Source
Manual p. 27

What 101 means

SERF CORRUPT p. 27

Common causes

  • Error internal to the drive. p. 27

What to do

  1. Contact your local ABB sales representative and report the error number. p. 27

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

If 101 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 101; 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.