Vokera 71/73 Fault Code
Also written as 7173 — same fault.
The Vokera 71/73 fault code means: your boiler is struggling to accurately detect or manage the temperature of the water flowing through the system.. It appears on 3 Vokera models in our database.
Technical description: Temperature anomaly
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Vokera models that show the 71/73 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera 71/73 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