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Vokera Evolve CO fault

Posted: Wed Dec 22, 2021 5:31 pm
by Adymould
Hi everyone, I have a 4 month old Vokera Evolve combi fitted in my garage which has no doors fitted and completely open. The combi is naturally using a balanced flue, but my reason for mentioning no doors on the garage is to illustrate that the boiler couldn’t be more ventilated.
Every 4 days or so the boiler trips off line due to a CO warning. It is easily reset within seconds and will answer all DHW and heating demands for another 3 days or so before tripping again.
Any thoughts? Many thanks.

Re: Vokera Evolve CO fault

Posted: Thu Dec 07, 2023 11:48 am
by dukes
Hi there,
The same Vokera Evolve CO fault code also mentions Combustion Failure, which has been my problem with the same model.
The real problem turned out to be a dirty burner, due to dusty conditions.
An easy fix, to remove and clean the fine mesh on the inside of the burner.