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

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

Technical description

Heating mode – pump overrun error

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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Related fault codes

S.8View →F.28View →

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