Low
LED 3 on Ferroli Modena F

Your boiler is currently working to heat your tap water, which is a normal operating status rather than a fault.

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

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 a hot water tap is currently turned on or drippingEnsure your pre-heat function is not active if the light stays on while taps are closedMonitor the boiler to see if the light goes off once the water reaches temperature

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Related fault codes

LED 1View →LED 2View →

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