ABB ACH550 Error 33: EFB 3

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

Fault code33

EFB 3 is an unused fault code as of this manual’s publication. The manual lists no action for this code.

Model
ABB ACH550
Display shows
EFB 3 (33)
Type
Fault code
Source
Manual p. 26

What 33 means

EFB 3 p. 26

If 33 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 26 All ACH550 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 33; 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.