Medium
LED 3 (CH) on Ferroli Arean

Your boiler is currently waiting for a signal from your thermostat or timer to tell it that the house needs heating.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Roomstat (72) or clock (62) not calling for heat

DIY fix possible

Check your room thermostat and ensure it is set to a temperature higher than the current room temperatureCheck that your timer or programmer is in the 'ON' position for heatingReplace the batteries in your wireless thermostat if you have one

Find a Gas Safe engineer
Search the official register →

Related fault codes

Related guides you might find useful