Low
LED3 on on Ferroli Modena F

Your boiler is currently working to provide hot water to your taps, which is a normal operating signal rather than a 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.

What the manual says

Manufacturer manual

Domestic hot water circuit on

From this model's manual
Verified against the Ferroli Modena F installation & service manual.
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 any hot water taps are slightly open or drippingEnsure your shower or bath mixer is fully turned offMonitor the light to see if it turns off once you stop using hot water

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Avoid the next call-out bill

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