DIY Doctor

No hot Water From Vaillant Boiler After F22 Error

Postby henrikmalmquist » Mon Jul 24, 2017 5:10 pm

Hello,

I have a Vaillant boiler and since a few days back I don't have any hot water. First it was a f22 error, the pressure was around 0.7 bar, but I've fixed that now so it's up to 1.8 bar and the error message has disappeared and it's only a green light. The temperature is pending between 40-50 celsius but still no hot water.

Any suggestions what I could do?

Thanks

Henrik
henrikmalmquist
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