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A Vent-Axia brand mechanical ventilation heat recovery, or MVHR, it is an energy recovery ventilation system.

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Fan is oscillating - display dead

Ventilation is going into boost modus and going back to standard, making lots of noise.

I don’t seem to be able to get in the menu, display shows a half bar.

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It sounds like the logic board has failed. The spinning up could be the humidity sensor or it could be the faulty logic boards.

Some systems have a wired controller if this is the issue then you can check the screen on the unit itself. In this case a new remote controller can be added. It would be interesting to know what the issue was as I appreciate you asked this question a while ago.

Hope this helps,


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Wim Godefroid sera éternellement reconnaissant.
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