ABB ACH550 Error 3206: UNKNOWN DRIVE

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

Fault code3206

UNKNOWN DRIVE means the drive rating is not recognized by the bypass software. The manual's first action is: “Drive does not match drives configured in bypass RBCU Replace RBCU or reload with most current firmware”

Model
ABB ACH550
Display shows
UNKNOWN DRIVE (3206)
Type
Fault code
Source
Manual p. 71

What 3206 means

UNKNOWN DRIVE p. 71

Common causes

  • Drive reports rating not found in bypass software p. 71

What to do

  1. Drive does not match drives configured in bypass RBCU Replace RBCU or reload with most current firmware p. 71

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

If 3206 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 71 All ACH550 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 3206; 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.