Low
Fan Overrun on Potterton Envoy 30

Your boiler is continuing to run its internal fan after the heating or hot water has switched off to safely clear out any leftover gases, which is a normal design feature.

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.

Technical description

Control Status: Fan Overrun

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

E01View →E02View →

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