BoilerFaultCodesYour boiler is simply clearing out any remaining gases and cooling down after a period of activity, which is a normal part of its operation.
This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.
Technical description: Boiler in post-purge mode
What causes this fault?
This code appears when the boiler has finished heating and needs to briefly run its fan to expel any leftover combustion gases. It also helps cool down the internal heat exchanger to ensure the appliance remains at a safe temperature after use. This is a standard safety sequence and does not indicate a mechanical failure.
DIY fix possible
Wait for a few minutes to see if the code clears automatically once the cooling cycle finishesCheck that your thermostat is calling for heat if the code persistsPerform a simple reset using the button on the control panel if the boiler does not resume normal operation
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