ABB ACH550 Error 3101: SFLASH CORRUPT

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

Fault code3101

SFLASH CORRUPT means there is an internal checksum error in the flash memory. The manual's first action is: “Cycle power Replace RBCU Upgrade firmware”

Model
ABB ACH550
Display shows
SFLASH CORRUPT (3101)
Type
Fault code
Source
Manual p. 70

What 3101 means

SFLASH CORRUPT p. 70

Common causes

  • Internal checksum error p. 70

What to do

  1. Cycle power Replace RBCU Upgrade firmware p. 70

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

If 3101 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.”
Open the manual at page 70 All ACH550 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 3101; 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.