Water fixtures and their piping, as well as the myriad of components that keep them flowing.

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No hot water in boiler, keeps flashing F5?

My furriol boiler keeps flashing F5, and am only getting hot water for a couple of seconds at a time, will i need to get a new boiler, or can this be fixed?

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Have you switched boiler off and re-pressurised the system?

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Chosen Solution

Lindsey, not sure what boiler you have, the only info I got is for a Ferroli boiler. Again, there are numerous of those. If you can a model number would be helpful. On the Ferroli Optimax the F5 error code is:

Fan problem

• Tachometer signal

interrupted, fan connection

• Fan damaged, debris in fan

Possible Solution

• Check the wiring and fan

• Check the fan, clean debris

Hope this helps you to get started. Good Luck.

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Lindsey will be eternally grateful.
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