BoilerFaultCodesVokera 2x Fault Code
Also written as 2X — same fault.
The Vokera 2x fault code means: your boiler has detected an internal electrical connection issue that is preventing it from running safely.. It appears on 3 Vokera models in our database.
Technical description: Check wirings
What causes the Vokera 2x fault?
This fault occurs when the boiler's central brain loses communication with its internal sensors or components due to a break in the electrical path. It is most commonly caused by loose plugs, damaged wiring, or moisture causing a short circuit on the control board. Without a solid electrical connection, the boiler cannot verify that it is safe to fire up, so it shuts down as a precaution.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Vokera models that show the 2x fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera 2x 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