What the manual says
Manufacturer manualHeatingmode:Norequirement
Shared across the Energy7 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 is set to a higher temperature than the current room temperatureEnsure your heating programmer or timer is set to 'On' for the current time periodNo further action is required as the boiler is operating normally
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Related fault codes
All 79 fault codes on the Energy7 Regular
Seeing a different code? Every code this model can display, in one place.
Connectiond.02d.94F.00F.01F.10F.11F.13F.20F.23F.24F.25F.27F.28F.29F.32F.49F.61F.62F.63F.64F.65F.67F.68F.70F.71F.72F.77F.78F.83F.84F.85F.86F.87F.88F.91F.97P.01P.02P.03P.04P.05P.06P.07P.10S.01S.02S.03S.04S.05S.06S.07S.08S.20S.21S.22S.23S.24S.25S.26S.27S.28S.30S.31S.32S.34S.39S.42S.46S.53S.54S.88S.91S.96S.98S.99S.108S.109