Tacx Flux issues

Hi, I have already a second Tacx Flux and (again) after 5000 km, it is again malfunctional and it seems the part is not serviceable – the first Flux was replaced while in warranty. Do you have experiences with different trainer brands? Do you have any experiences with duration of these trainers? Do you maybe know anyone who has experiences with trainers in long term? All the reviews are only short term and doesn’t help for long term use.