ABB ACH550 Error 3204: STACK OVERFLOW

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

Fault code3204

STACK OVERFLOW means the program cycle has exceeded its memory capacity. The manual's first action is: “Contact ABB with information that preceded fault Cycle Power Replace RBCU”

Model
ABB ACH550
Display shows
STACK OVERFLOW (3204)
Type
Fault code
Source
Manual p. 71

What 3204 means

STACK OVERFLOW p. 71

Common causes

  • Program cycle is overloaded p. 71

What to do

  1. Contact ABB with information that preceded fault Cycle Power Replace RBCU p. 71

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

If 3204 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 3204; 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.