E012 High

Vokera E012 Fault Code

The Vokera E012 fault code means: your boiler has tried to ignite several times but the flame keeps going out, causing the system to shut down for safety.. It appears on 4 Vokera models in our database.

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.

Technical description: MAXIMUM NUMBER OF FLAME LOSSES
Typical repair cost £120-350 (including labour)

DIY fix possible

Check that your gas meter has credit and the emergency control valve is openCheck if other gas appliances in your home, like a hob, are working correctlyPress the Reset button or turn the mode selector to 'OFF/RESET' for a few seconds and then back to heating

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Vokera models that show the E012 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Vokera E012 fault code information on this page is sourced and cross-checked against the official Vokera service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026