Emergency
A10 on Vokera Vibe Max

Your boiler has stopped working because it cannot safely get rid of exhaust gases or water caused by the burning process.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

What the manual says

Manufacturer manual

Flame lockout / Condensate drain obstructed / Flue gas exhaust/air suction obstructed

From this model's manual
Verified against the Vokera Vibe Max installation & service manual, page 8.
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 emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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