BoilerFaultCodes.com
Neon I3 Low Information

Your boiler is receiving power and is currently switched on at the mains supply.

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: Mains electricity ON.

What causes this fault?

This is not actually a fault, but a status indicator showing that your boiler has a healthy connection to the electrical mains. It typically appears when the power is first turned on or when the boiler is in a standby state ready to receive a command for heat. You do not need to take any action as your heating system is functioning exactly as it should.

Typical repair cost £0 (including labour)

DIY fix possible

No action is required as this is a status indicator rather than a fault.If the boiler is not firing, check that your thermostat is calling for heat.Ensure the boiler control knob is set to the 'On' or 'Auto' position.

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