BoilerFaultCodesVokera Reset light is on Fault Code
Also written as RESETLIGHTISON — same fault.
The Vokera Reset light is on fault code means: your boiler has switched itself off as a safety precaution because it either failed to light properly or got too hot.. It appears on 2 Vokera models in our database.
Technical description: Indicates that the boiler has failed to ignite or has overheated, when this happens the boiler automatically shuts down and requires to be reset manually
What causes the Vokera Reset light is on fault?
This fault occurs when the boiler's internal sensors detect that the burners failed to light after several attempts or that the internal temperature has become dangerously high. The most common reasons include a lack of gas reaching the burner, a worn-out ignition spark, or a blockage that is preventing water from circulating properly through the heat exchanger.
This issue is more frequent during the first cold snap of autumn when components that have been idle over summer are suddenly forced to work at high temperatures.
DIY fix possible
Locate the mode selector switch on the front control panel.Turn the switch to the 'RESET' position and hold it for a few seconds.Return the switch to the 'ON' position and wait for the boiler to attempt to restart.
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Gas Safe Register →Vokera models that show the Reset light is on fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera Reset light is on 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 27 April 2026