BoilerFaultCodesVokera flashing bar value Fault Code
Also written as FLASHINGBARVALUE — same fault.
The Vokera flashing bar value fault code means: your boiler has too much water pressure inside the system, which can cause leaks or safety valves to trigger.. It appears on 2 Vokera models in our database.
Technical description: High pressure — check the heating system
DIY fix possible
Check that the filling loop valves (under the boiler) are tightly closed.Turn off the boiler and wait for the radiators to cool down.Bleed a radiator using a radiator key to let out water until the pressure gauge returns to between 1 and 1.5 bar.
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Vokera models that show the flashing bar value fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera flashing bar value 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