Other useful links: How to Repair or fix the F1 Fault your ideal Logic Combi Boiler
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Main Video Description
Switch the boiler off, and give the system a chance to cool down completely – this is essential before commencing with this task. Suffice to say it’s not best practice to top up with hot water that’s already susceptible to expansion as pressure may drop once the hot water cools down via the filling Loop, As hot-water rises or expands in cooler or colder water as you have in your boiler, cistern or expansion vent pipes.
You have an integral filling loop under the boiler. The blue valve to the left when your facing the boiler is your cold isolation valve. Turn OFF your cold isolation valve and turn ON the filling Loop lever but If you have an external filling loop from the boiler turn both black levers until they are facing the pipe. Once the boiler gets to 1.5 the fault code should disappear and the Boiler should fire. Once the 1.5 target is reached, turn OFF the filling Loop lever on the right when your facing your Boiler and turn ON the cold water isolation valve.
On the external filling loop turn both black levers they they turn horizontally across the copper pipes.
Explanation
Under the boiler on the right-hand side, you will find 2 blue levers. These blue valve levers quarter turn at 90 degrees to allow water to flow into the heating system to help increase the pressure.
If you find the pressure keeps dropping repeatedly at an exponential or quantum leap rate regularly then you may have underlying issues within your main heating system that need looking at by a regulated Gas Safety Registered Engineer.
As we can see here the fault code on the front of the boiler is flashing E118 and E118 on Baxi means low water pressure, so you'd just have a look at your gauge there and you would see that it's below roughly about 0.5 into the red display spectrum, which means that the pressure needs topping up.
We need to have a look underneath the boiler to do this where we have 2 blue valves. . Them black valves at the back we don't touch them, we touch these two blue front ones.
As demonstrated , we turn the first blue valve and subsequently the other blue valve slowly while monitoring the pressure gauge on the front of the boiler, whose pressure increases incrementally and as soon as it gets to the 1 or 1.5 position return the two blue valves to their original positions insitu.
As we have refilled the loop or water pressure the fault code is eradicated and is no longer flashing and the Boiler becomes fully functional and operational again.
Other fault codes that could be experienced on this Boiler but not covered here are
(E 09, E 15 , E 20, E 28, E40, E83, E 109, E110, E128, E125, E130, E133, E135, E154, E 160, E 270, E321, E 384, E 103, E104, E 107) BUT would be shown in subsequent videos
