BoilerFaultCodesVokera A24 Fault Code
The Vokera A24 fault code means: your boiler has stopped working because the fan that removes waste gases cannot spin at the correct speed.. It appears on 1 Vokera model in our database.
Technical description: Fan error
What causes the Vokera A24 fault?
This fault occurs when the boiler's internal computer detects that the fan is not spinning at the required speed to safely clear exhaust fumes. The most common reasons are a buildup of dirt or debris inside the fan casing, a mechanical failure of the motor, or a communication issue between the circuit board and the fan.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Search the official register for a qualified engineer in your area.
Gas Safe Register →Vokera models that show the A24 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera A24 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