Low
4 (Permanent Light) on Ferroli Tempra

Your boiler is currently operating normally to provide heating to your radiators.

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

Central Heating circuit ON

From this model's manual
Verified against the Ferroli Boiler Tempra 24 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 your room thermostat is turned upEnsure your heating programmer is set to 'ON'If the light stays on when you want the heating off, check for a stuck thermostat

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Avoid the next call-out bill

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