Low
LED3 on Ferroli Domina 102

Your boiler is currently operating normally and is simply confirming that it has received a signal from your thermostat or internal settings to provide heating.

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.

Technical description

C.H. controls, room thermostat/clock and temperature regulator calling

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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