Emergency
Red led fixed on Vokera Compact

Your boiler has stopped working because it is failing to ignite the flame, which often points to a problem with the gas supply or the exhaust venting system.

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

Check gas supply, check flue system, check polarity

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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All 11 fault codes on the Compact

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

Alarm high limit thermostatAlarm safety shutdown and/or internal faultAlarm system water pressureBoiler stand-byFault sensorsFlame ONN/APurge cycle mode activeService operationTemporary fault

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