Low
D.095 on Vaillant ecoTEC plus System

Your boiler is displaying a status message indicating the current version of the internal software, which is normal and does not represent a fault.

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

Softwareversions

From this model's manual
Verified against the Vaillant Ecotec Plus installation & service manual, page 76.
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

Wait for the boiler to return to its normal display mode automaticallyPress the 'i' button on the front panel to cycle back to the standard status viewIf the boiler is operating normally, no further action is required

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