Low
D.82 on Vaillant Combi Compact 242EB

Your boiler is simply indicating that it is starting the process of heating your radiators, which is a normal status message rather than an actual fault.

Monitor it

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

DIY fix possible

Check if your thermostat is calling for heatMonitor the display to see if the code changes to a temperatureNo action is required as this is a normal operational message

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