Low
S.01 on Heatline CaprizPlus 24a

Your boiler is currently preparing to start up by checking that the fan is working correctly before it ignites.

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

Check if the boiler proceeds to normal operation after a few momentsEnsure there are no external blockages to the flue pipe outsideReset the boiler if the code remains on the screen for an extended period

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S.02View →S.03View →F.32View →

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