Discuss F1 error on boiler but water pressure is fine in the Central Heating Forum area at PlumbersForums.net

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So I have got the horrid F1 error on my combo boiler for low pressure. I have recently moved into my property, and I had this issue before which I resolved.

The pressure in my taps are fine however when the boiler is running the pressure gauge shows below 1. Of course I have turned the domestic and the central heating taps under the boiler. No change.

This has happened when I first started my central heating a few days ago, it instantly error’d, I drained my system but still no luck.

My boiler is a procombi exclusive 24.

Any tips before I have to call someone?

Regards.
 
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kris

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Some pressure sensors can read iffy if any dirt on them so put pressure up slightly to see if it goes away but no higher than 1.7bar..
Not sure what you mean by opening n closing valves under the boiler I'm hoping you just mean the filling point.
Remember also that your water pressure is nothing to do with your heating pressure.
Or do u mean nothing happens when u open the fill point but the pressure at the taps is fine so it should rise ,,, unless it's a faulty gauge or sensor. Sometimes a gentle tap on the facia can Free the needle if it's sticking .
 

king of pipes

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Get a engineer to repair it don't mess with it you could make things worse. Kop
 

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