Low
D.094 on Vaillant ecoTEC pro

Your boiler has successfully completed a routine task to delete its saved record of past issues.

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

Clear fault history

Shared across the ecoTEC pro range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s 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

No action is required as this is a standard system status messageSimply continue using your heating and hot water as normal

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All 157 fault codes on the ecoTEC pro

Seeing a different code? Every code this model can display, in one place.

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