Vokera E056 Fault Code
The Vokera E056 fault code means: the boiler's control system has lost communication with its internal computer, meaning it can no longer process instructions to heat your home.. It appears on 4 Vokera models in our database.
Technical description: NO COMMUNICATION MICROPROCESSOR CARD
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 E056 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera E056 fault code information on this page is sourced and cross-checked against the official Vokera service / installation manuals for each affected model.
- Vokera Pinnacle Combi manual (PDF)
- Vokera Pinnacle System manual (PDF)
- Vokera Synergy Combi manual (PDF)
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026