High
Air Flow Monitor on Baxi Bahama 80e / 105e

Your boiler has detected a problem with how it is venting waste gases or taking in fresh air, causing it to shut down for safety.

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

The neon illuminates to indicate that the flue or flue terminal is blocked or obstructed in some way, or that there is an internal 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.

Find a Gas Safe engineer
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