Low
LED5 (Permanent) on Ferroli Domina 102

Your boiler is confirming that it has a stable electrical power supply and is ready to operate under normal conditions.

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

Electric power supply indicator

From this model's manual
Verified against the Ferroli Boiler Domina 102 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

This is a status indicator rather than a fault, meaning your boiler is correctly powered.If the boiler is not working, check that your external heating controls like the timer or thermostat are calling for heat.Ensure your gas supply tap is turned on and your external fuse spur is switched on.

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