High
Burner On light off on Baxi Solo PF

Your boiler has reached its maximum safe temperature and has shut down the burner to prevent overheating, or there is an internal electrical fault.

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

Flow reaches 80-84°C / Potentiometer failure / PCB failure

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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