Low
D.67 on Vaillant Combi Compact 242EB

Your boiler is temporarily resting to prevent the burner from turning on and off too frequently, which helps protect the internal components and improve efficiency.

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

Remaining burner anti-cycling time

DIY fix possible

Wait for 5 to 15 minutes for the countdown to finishEnsure your room thermostat is turned up to call for heatCheck that at least one radiator valve is fully open to allow water flow

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