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Zehnder comfoair q heat recovery ventilation & failing sensors

  • 21-09-2023 03:00PM
    #1
    samdeluxjones
    Registered Users, Registered Users 2 Posts: 374 ✭✭



    Anyone with the above ventilation system might experience failing sensors with ODA or ETA errors causing the fans to act the maggot.

    You can mail AfterSales@zehnder.co.uk and they might send out a replacement or switch sensors to get some functionality back.

    Also you co go down the DIY route which this German fella did and it works. The video can be translated to english via subtitles.

    https://www.youtube.com/watch?v=VKNZmxbEY7U&t=592s



Comments

  • #2
    Airgunster
    Registered Users, Registered Users 2 Posts: 13 ✭Airgunster


    @samdeluxjones wanted to ask in your experience how frequently this fault is happening?



  • #3
    samdeluxjones
    Registered Users, Registered Users 2 Posts: 374 ✭✭samdeluxjones


    https://www.boards.ie/discussion/comment/122841652#Comment_122841652

    Just once since install 7 years ago, readings on app were zero.

    Zehnder did send me out replacement sensors in the end for free(€80 to buy new)

    If it's happening more often there is too much crap getting into the machine, use ventilation filter like this https://www.amazon.co.uk/BENECREAT-Electrostatic-Filters-Heating-5mx30cm/dp/B0D46TLLLL/ref=sr_1_3?crid=1NOR2GWZ4LF1K&dib=eyJ2IjoiMSJ9.lQK3rlhHaxmemGbNEZgUlaqIZAQzgvaKdAyH6eCUBRsVmmDao1n6jF2Ev9tqIf1POdMNfqchQp2KoIUrxEKcar1WM0yTOEK09--CoTiR5SPqPPyNMW33RrzxWHb-_JDTMjogBKbPtOrmNZuaTHzvhEvQtJsSlDysuI5Re5NFlMUCfLsvdKYnDIjdULrq-_zyML4L6JlImOFVAwNwO_diJIaxN7PtfViltHU4z5v1y88.TV454WtoYiIxodJ1D6gKEcw1-cbT9XySDQ6ZL6xT6qM&dib_tag=se&keywords=Air+Filter+Roll&nsdOptOutParam=true&qid=1732610080&sprefix=air+filter+roll%2Caps%2C198&sr=8-3



  • #4
    samdeluxjones
    Registered Users, Registered Users 2 Posts: 374 ✭✭samdeluxjones


    https://www.boards.ie/discussion/comment/122841652#Comment_122841652

    In my experience you have to protect the intake to the machine no matter where it's coming from no matter what make of machine you have. If you let crap get sucked in you are gonna get problems so gauze the outside intake to stop insects and too much moisture and don't have an exhaust vent over a deep fat fryer. Nobody tells you this.



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