Low
S.07 on Vaillant ecoTEC plus aquaPLUS

Your boiler is briefly keeping the pump running after heating has turned off to help the system cool down safely.

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

Pump over run (heating operation)

From this model's manual
Verified against the Vaillant Ecotec Plus Aquaplus installation & service manual, page 38.
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

Check that all your radiator valves (TRVs) are not fully turned off at the same timeEnsure the central heating system is pressurized between 1.0 and 1.5 barMonitor the boiler to see if it moves to a standard 'S.0' standby code after a few minutes

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