Emergency
RED LED BLINKS on Vokera Compact A

Your boiler has detected an internal safety issue, likely involving overheating or a ventilation problem, and has automatically shut down to prevent damage.

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

High limit thermostat fault or air flow switch fault

From this model's manual
Verified against the Vokera/Vokera Compact He 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 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 31 fault codes on the Compact A

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

_CL_StA01A02A03A04A06A07A08A09A11A77ACOAdjFlame ONGreen LED Off, Red LED OffGreen LED Off, Red LED OnGREEN LED On every 0.5-secsGREEN LED On every 6-secsGreen LED On, Red LED OffGREEN LED SolidHoursP blinkingPurge cycle mode activeRED LED On every 0.5-secsRED LED SolidReset light illuminatedService operationTemporary faultYELLOW LED Solid

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