BoilerFaultCodesVokera E030 Fault Code
The Vokera E030 fault code means: your boiler has stopped working because the fan that removes waste gases is not spinning or communicating correctly with the system.. It appears on 4 Vokera models in our database.
Technical description: Fan fault
What causes the Vokera E030 fault?
This fault occurs when the boiler's control system detects that the fan is not spinning at the required speed to safely clear combustion gases from the unit. The most common reasons are a mechanical failure within the fan motor itself, a loose connection in the internal wiring, or a fault on the main circuit board failing to send power to 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 E030 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera E030 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