Low
P.000 on Vaillant ecoTEC plus Combi

Your boiler is currently running an automated air-removal cycle to clear trapped air from the system, which is a normal process after maintenance or a power reset.

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

Purgeprogramme

From this model's manual
Verified against the Vaillant Ecotec Plus installation & service manual, page 91.
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 cycle to complete, which typically takes a few minutes.Ensure your heating and hot water are turned off until the display returns to the standard temperature readout.If the boiler remains stuck on this code for more than 15 minutes, turn the power off at the fused spur for 30 seconds and switch it back on.

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