Low
D.080 on Vaillant ecoTEC Pro 28

This code is simply an information display showing the total number of hours your boiler has been running, rather than indicating a fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Heating operating hours

From this model's manual
Verified against the Vaillant Ecotec Pro installation & service manual, page 44.
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

No action is required as this is not a faultPress the 'i' button on your boiler display to return to the standard temperature view

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Boiler cover options

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