BoilerFaultCodes.com
Fd Low Lockout

Your boiler has stopped because the reset button was pressed accidentally or held down for too long.

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: Reset button pressed by mistake.

What causes this fault?

This fault occurs when the boiler's reset button is pressed unintentionally or held down for longer than 30 seconds. The internal control system detects this long press as an error and shuts the boiler down as a safety precaution. It is often triggered by someone trying to clear a previous fault or accidentally leaning against the control panel.

Typical repair cost £0 (including labour)

DIY fix possible

Press the reset button once more firmly to clear the code.Wait for 30 seconds to see if the display returns to the normal temperature reading.Restart your heating or hot water as normal.

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