BoilerFaultCodesWhat the manual says
Manufacturer manualWaterpressuretoohigh
Shared across the Essential range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
DIY fix possible
Locate a radiator in your home that has a bleed valve.Place a cloth or small container under the valve.Open the bleed valve slowly to release a small amount of water until the pressure gauge on the boiler drops to between 1 and 1.5 bar, then close the valve tightly.
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Related fault codes
All 83 fault codes on the Essential
Seeing a different code? Every code this model can display, in one place.
F.00F.01F.10F.11F.13F.20F.22F.23F.24F.25F.27F.28F.29F.32F.33F.49F.61F.62F.63F.64F.65F.67F.68F.70F.71F.72F.73F.74F.75F.77F.78F.83F.84F.85F.86F.87F.88F.89F22S.0S.01S.02S.03S.04S.05S.06S.07S.08S.10S.11S.13S.14S.15S.16S.17S.20S.21S.22S.23S.24S.25S.26S.27S.28S.30S.31S.32S.33S.34S.39S.42S.46S.53S.54S.88S.91S.96S.97S.98S.99S.108S.109