Vailant 415 f22 error

Siknagudruole · 10 Sep 2015

Hi. I have vaillant 415 open vent boiler. I do get an error f22. I did tryed to bleed all radiators, cheched pump and works fine, runned P0 to get air from system not sure what else I could do before I will call to the people who installed boiler. Any suggestions are welcome.
Thanks

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Vailant 415 f22 error

Siknagudruole

DIYnot Local

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