Low
U on Ideal Instinct2 24

Your boiler is currently set to a professional maintenance mode used for draining or servicing the internal system.

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

Diverter Valve in mid-position for service

From this model's manual
Verified against the Ideal Instinct2 24 installation & service manual, page 80.
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 'Mode' button on the front control panel.Press and hold the 'Mode' button for several seconds.Wait for the display to return to its normal status showing temperature or '0'.

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