BoilerFaultCodesVokera Low pressure Fault Code
Also written as LOWPRESSURE — same fault.
The Vokera Low pressure fault code means: your boiler has lost the water pressure it needs to circulate heat, which is a common issue that is usually easy to resolve by adding more water to the system.. It appears on 2 Vokera models in our database.
Technical description: Requires ‘topping-up’
DIY fix possible
Locate the filling loop, which is usually a flexible silver braided hose with one or two valves underneath the boiler.Open the valve(s) slowly to allow water into the system while watching the pressure gauge on the front of the boiler.Stop filling once the needle reaches the green zone, typically between 1 and 1.5 bar, then tightly close the valve(s).
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Vokera models that show the Low pressure fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Vokera Low pressure 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 31 August 2026