BoilerFaultCodesYour boiler is currently checking its systems and preparing to fire up the burner to provide central heating.
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: Burner start up in heating mode
What causes this fault?
This isn't actually a fault, but a status message indicating the boiler is performing its pre-ignition safety checks. It physically occurs as the fan begins to spin and the gas valve prepares to open so the burner can ignite for central heating. If the display stays on this code for a long time without the boiler firing, it may indicate an issue with the ignition sequence or gas supply.
You will see this code more frequently during the autumn and winter months when the thermostat calls for heat more often.
DIY fix possible
No action is required as this is a normal status messageMonitor the display to ensure it progresses to a different code once the house warms upEnsure your thermostat is set to the desired temperature
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A boiler cover plan would cover faults like D.82 — no call-out fees, no surprises.
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