Medium
S.7 on Vaillant Combi Compact 282EB

Your boiler is temporarily finishing its heating cycle by running the pump to cool down, but it has detected that this process isn't working quite as expected.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Heating mode – pump overrun error

From this model's manual
Verified against the Vaillant Combi Compact 282eb installation & service 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

Check that at least one radiator (usually the one in the room with the thermostat) has its valves fully openEnsure the system pressure is between 1.0 and 1.5 bar on the pressure gaugePress the reset button once to see if the status clears

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