BoilerFaultCodesVokera Lockout Fault Code
Also written as LOCKOUT — same fault.
The Vokera Lockout fault code means: your boiler has stopped working for safety reasons and needs to be manually restarted to see if it can clear the internal error.. It appears on 3 Vokera models in our database.
Technical description: Lockout. (turn on/off /mode selector switch to reset position for approx. 5 seconds)
DIY fix possible
Turn the mode selector dial to the 'Reset' position.Hold it in the 'Reset' position for approximately 5 seconds.Turn the dial back to your preferred heating or hot water setting and wait 30 seconds to see if the burner ignites.
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Vokera models that show the Lockout fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera Lockout 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