High
Overheat light on Baxi Solo 3 PFL

Your boiler has become too hot and has automatically shut down as a safety precaution to prevent damage.

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.

What the manual says

Manufacturer manual

The "overheat" indicator light will be illuminated if the appliance needs resetting. Any interruption to the electricity supply may cause the device to operate. Indicates an appliance or system fault if persistent.

From this model's manual
Verified against the Baxi Solo 3 Pfl installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

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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