BoilerFaultCodesTechnical description
Remaining burner anti-cycling time in min
What causes this fault?
This occurs when your boiler reaches its target temperature too quickly and needs to pause to prevent 'short-cycling,' which is like a car stalling in stop-start traffic. It usually happens because the heat produced by the boiler cannot be moved away fast enough, often because your radiators are already warm or some have been turned off. The boiler is simply waiting for the water in the system to cool down slightly before firing up again to work more efficiently.
This is most common during autumn and spring when the weather is mild and your home doesn't need the boiler's full heat output to stay warm.
DIY fix possible
Wait for 15 to 30 minutes for the countdown to finishCheck that your room thermostat is turned upEnsure all radiator valves are open to allow heat to dissipate