ABB ACH550 Error 3031: EFB 1...EFB 3

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

Fault code3031

EFB 1...EFB 3 means Bacnet device object instances exceed limit in specified parameters. The manual's first action is: “Check Parameters 5011, 5017 and/or 5311, 5317”

Model
ABB ACH550
Display shows
EFB 1...EFB 3 (3031)
Type
Fault code
Source
Manual p. 70

What 3031 means

EFB 1...EFB 3 p. 70

Common causes

  • For Bacnet: Device object instances for the drive and or bypass are set greater than 4194302 in parameters 5011 5017 and/or 5311 5317 respectively p. 70

What to do

  1. Check Parameters 5011, 5017 and/or 5311, 5317 p. 70

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

If 3031 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 3031; 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.