BoilerFaultCodesVokera Green LED Off, Red LED Off Fault Code
Also written as GREENLEDOFFREDLEDOFF — same fault.
The Vokera Green LED Off, Red LED Off fault code means: your boiler has no power and is completely unresponsive, meaning the heating and hot water will not work.. It appears on 1 Vokera model in our database.
Technical description: No power, blown fuse, Internal fault
What causes the Vokera Green LED Off, Red LED Off fault?
This fault occurs when the electrical supply to the boiler is interrupted or the internal components fail to distribute power. The most common reason is a blown fuse in the external wall switch or a failure within the boiler's main control board. In some cases, a power surge or a short circuit in another part of the system can cause the unit to shut down completely to prevent damage.
DIY fix possible
Check if your home's main fuse box has tripped a circuit.Ensure the boiler's isolation switch (usually a white switch near the unit) is turned on.Check if other appliances in the house have power to rule out a local power cut.
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Gas Safe Register →Vokera models that show the Green LED Off, Red LED Off fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera Green LED Off, Red LED Off 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