Emergency
A11 on Vokera Compact A

Your boiler has detected a flame inside the unit when it was supposed to be turned off, so it has safely shut itself down to prevent a hazard.

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

False flame

Shared across the Compact range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s 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 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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Related fault codes

A01View →A04View →

All 20 fault codes on the Compact A

Seeing a different code? Every code this model can display, in one place.

_CL_StA01A02A03A04A06A07A08A09A77ACOAdjFlame ONHoursP blinkingPurge cycle mode activeService operationTemporary fault

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