Low
S.11 on Heatline CaprizPlus 24a

Your boiler is preparing to start up by running the internal fan to clear any leftover gases from the combustion chamber.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

Pre-run fan

From this model's manual
Verified against the Heatline Caprizplus 24a installation & service manual, page 26.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

No action is required as this is a normal operational status code, not a malfunction.Wait a few moments for the boiler to move to the next stage of the ignition sequence.If the code remains stuck on the screen without the boiler firing, try resetting the boiler once.

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