High
A30 on Vokera Vibe MAX S

Your boiler has detected a flame when there shouldn't be one, which is causing the system to shut down for safety.

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.

What the manual says

Manufacturer manual

Extraneous flame

From this model's manual
Verified against the Vokera Vibe Max S installation & service manual.
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 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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Avoid the next call-out bill

A cover plan would handle faults like A30: no call-out fees, no surprise bills.

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