High
Pump overrun thermostat fault on Potterton Profile 30E

Your boiler has detected a faulty component that usually helps cool the system down after it finishes running, meaning it may stop working to prevent overheating.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Replacement of pump overrun thermostat required

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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