High
Lockout light on Baxi Solo PF

Your boiler has shut down because it has detected it is getting too hot or internally failed to light the pilot flame.

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

Boiler has overheated / No continuity across overheat thermostat / Continuity across sensor / Pilot solenoid 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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