BoilerFaultCodesVokera 50 Fault Code
The Vokera 50 fault code means: your boiler's internal computer has encountered a memory or software error that prevents it from running safely.. It appears on 3 Vokera models in our database.
Technical description: Internal fault
What causes the Vokera 50 fault?
This fault occurs when the boiler's main control board experiences a software failure or a physical breakdown in its memory storage. It is often caused by electrical surges or internal wear and tear that prevents the computer from reading its own safety settings correctly.
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 50 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera 50 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