High
E03 on Baxi 130 HE (range)

Your boiler has detected that hot gases are not being cleared out properly, so it has safely shut itself down to prevent overheating.

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

Flue protection thermostat operated / Fan 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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