Low
Pump Overrun - Storage Tank on Potterton Envoy Plus

Your boiler is currently cooling down its internal components after finishing a cycle of heating your water, which is a normal 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.

Technical description

Control Status: Pump Overrun - Storage Tank

Engineer required

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

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