Alarm code: 3002
ECU - communication fault, expansion board
Description
The communication between the main circuit bord and the I/O circuit board (ECU) in the ventialtion unit is poor or missing.
Instructions
Contact your service partner.
Products
Products
Indoor Climate Heat Pumps
Air handling units
Single room ventilators and fans
Valves, ducts and accessories
Filter
Kitchen hoods
Single room ventilators
Valves
Ducts and hoses
Kitchen hoods for connection to air handling unit and SAT-EC
Kitchen hoods for central ventilation in apartment buildings
Kitchen hoods for expired models of external extract air fans
Kitchen hoods with integrated motor
Central Vacuum Cleaner
Flexit GO – Easily control your ventilation with the app
Flexit GO is the app that lets you control Flexit Nordic ventilation units and the EcoNordic indoor climate system directly from your mobile phone. You get a clear overview of the indoor climate and can adjust ventilation—both at home and when you’re away.
Calculate ventilation quickly and accurately with Flexit Select
Flexit Select is Flexit’s digital ventilation calculation tool—designed for professional planning and dimensioning.
Flexit Products in MagiCAD Cloud
Flexit makes it easy to design ventilation using BIM. Our products are available as quality-assured BIM objects in MagiCAD Cloud—ready to use in your projects.
Quick choice diagram chart
Healthy indoor air quality is essential in buildings where people live, learn and work. This page explains how Nordic performance principles ensure reliable, energy-efficient ventilation in vital indoor environments – adapted to climate, regulations and real-world use.