Low
d10 on Alpha Evoke

Your boiler is currently displaying its fault history menu rather than a live error, meaning no mechanical failure is actually occurring.

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.

What the manual says

Manufacturer manual

Fault history reset - when in this menu, press and hold the Summer/Winter button to clear the fault code history

From this model's manual
Verified against the Alpha Evoke installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Locate the Summer/Winter button on your control panelPress and hold the button down as instructed by your manual to exit the menuMonitor the display to ensure it returns to the standard operating temperature screen

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