High
E125 on Baxi Titanium

Your boiler has detected that hot water isn't moving through the system properly, which is usually caused by a trapped air bubble or a pump that has stopped working.

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

Primary circuit error circulation fault

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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Related fault codes

E110View →E130View →E128View →

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