BoilerFaultCodesVokera All LEDs Off Fault Code
Also written as ALLLEDSOFF — same fault.
The Vokera All LEDs Off fault code means: your boiler has lost all power and is completely unresponsive, meaning it is currently unable to provide heating or hot water.. It appears on 1 Vokera model in our database.
Technical description: No power, blown fuse, Internal fault. Ensure power supply to Boiler is on, check fuse, Contact engineer
What causes the Vokera All LEDs Off fault?
This fault occurs when the boiler's electrical circuit is broken, preventing the control system from turning on. The most common reason is a blown 3A fuse in the wall spur or on the internal board, often triggered by a power surge or a failing internal component causing short circuit.
DIY fix possible
Check if the main boiler power switch (fused spur) is turned onCheck your home's main consumer unit to see if a circuit breaker has trippedTry replacing the 3-amp fuse in the boiler's external switch
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Vokera models that show the All LEDs Off fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera All LEDs 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