BoilerFaultCodesYour boiler is undergoing a temporary calibration process where it checks its heating settings; it is not a fault, but a normal status message.
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: Not available
What causes this fault?
This code appears when the boiler’s electronic control unit is performing a routine check of its burner and gas settings. It happens automatically to ensure the boiler is burning gas as efficiently and safely as possible. You may notice this when the boiler is first switched on or after a period of intense use.
DIY fix possible
Wait approximately 15 minutes for the program to finishEnsure your radiator valves are open to allow heat flow during the testMonitor the display to see if it returns to a standard temperature reading
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