Low
P.008 on Vaillant ecoTEC plus

Your boiler is currently undergoing an automatic system fill or internal pressure adjustment process.

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

Fillingofproductwith water

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 5-10 minutes to see if the process completes automatically.Monitor the display to see if the status code changes to an operational mode.If the code persists for over an hour, switch the boiler off at the fused spur for 30 seconds and restart.

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