Emergency
ALL 82 on Sime Brava Slim HE System

Your boiler has detected multiple failed attempts to ignite or maintain a stable flame and has locked itself out to prevent potential gas safety issues.

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

Block due to numerous combustion control failures

From this model's manual
Verified against the Sime Brava Slim He installation & service manual, page 34.
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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