Low
LED 3 on Ferroli Optima 201

Your boiler is working normally and is currently responding to a signal from your thermostat or timer to provide heating or hot water.

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.

Technical description

Central heating room thermostat (72) / clock (62) calling

DIY fix possible

Check your room thermostat is set to a temperature higher than the current room temperature.Verify your heating timer or smart controller is set to 'ON' and that the display is active.Replace the batteries in your room thermostat or wireless controller if applicable.

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