RC/A 8.1 Room Controller Software Version History and Errata

This document provides software version history and error corrections for the ABB i-bus KNX Room Controller modular 8f (Type RC/A 8.1), covering versions from 1.3a to 2.1. It details critical firmware updates, bug fixes for overtemperature monitoring, shutter actuator module failures, communication object issues, and important programming procedures for devices produced after week 31/2005.