Low
D.094 on Vaillant ecoTEC Pro / ecoTEC Plus System

Your boiler is simply displaying a status message indicating that the historical error log has been successfully cleared.

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

Clearfaulthistory

From this model's manual
Verified against the Vaillant Ecotec Pro Ecotec Plus System installation & service manual, page 58.
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 status notification, not a fault.

Find a Gas Safe engineer
Search the official register →

Avoid the next call-out bill

Monthly cover means no unexpected bills when your boiler breaks down.

Approved partner
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Get a quote →

Affiliate links. We may earn a commission at no extra cost to you.

Related guides you might find useful