BoilerFaultCodesVokera A 34 Fault Code
Also written as A34 — same fault.
The Vokera A 34 fault code means: your boiler has stopped working because the mechanical part responsible for moving air through the system is failing to start, preventing the boiler from safely lighting.. It appears on 1 Vokera model in our database.
Technical description: The fan does not spin. Executes 4 cycles of 3 attempts each with A 34 resettable. The last cycle triggers a permanent shutdown.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Vokera models that show the A 34 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera A 34 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 7 July 2026