What does the Ideal F2 error code mean?
F2 means the Ideal boiler was running but the flame was lost mid-operation. It's typically a gas-supply dip, flue problem or a flame-detection issue and needs an engineer.
What causes the Ideal F2 fault?
The F2 error on a Ideal boiler is most commonly triggered by:
- Gas-supply fluctuation while the boiler was running
- A blocked or partially blocked flue
- A failing flame-sensing electrode
- A weak gas valve
How to fix the Ideal F2 boiler fault
Follow these steps. If the code returns after you have completed them, stop and call a Gas Safe engineer.
- 1.Check the gas supply to other appliances is steady.
- 2.Reset the boiler once; don't repeatedly restart.
- 3.Book a Gas Safe engineer to inspect the flame electrode, flue and gas valve.
Frequently asked questions about the Ideal F2
What does F2 mean on an Ideal boiler?
F2 means the flame was lost while the boiler was running. Common causes are gas-supply dips, a flue blockage or a faulty flame electrode.
Is F2 the same as F1 on an Ideal boiler?
No. F1 is an ignition lockout at start-up; F2 is a flame lost during operation. Both can share causes (gas supply, electrodes) but indicate the failure at different stages.