Low
Su on Daikin EKOMB 22 Combi

Your boiler is currently in summer mode, which means it will provide hot water but your central heating is turned off.

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

Summer mode to be activated by button

From this model's manual
Verified against the Daikin Ekomb 22 Combi 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 button with the 'Sun/Snowflake' or 'Radiator' symbol on the control panelPress and hold the button for a few seconds to toggle back to Winter modeCheck that the radiator symbol appears on the screen to confirm heating is active

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