BoilerFaultCodesWhat the manual says
Manufacturer manualNo heating demand: Summer mode, eBUS controller, waiting period
Shared across the Energy 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
Check your room thermostat or smart controller settings to ensure a heating temperature is requestedIncrease the target temperature on your controller to see if the boiler activatesVerify that the boiler is set to winter mode if you require central heating
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Related fault codes
All 85 fault codes on the Energy System
Seeing a different code? Every code this model can display, in one place.
ConnectionF.00F.01F.10F.11F.13F.20F.22F.23F.24F.25F.27F.28F.29F.32F.49F.61F.62F.63F.64F.65F.67F.68F.70F.71F.72F.73F.74F.75F.76F.77F.78F.83F.84F.85F.86F.87F.88F.89F.91F22S.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.32S.33S.34S.39S.41S.42S.46S.53S.54S.76S.88S.91S.96S.97S.98S.99S.108S.109