BoilerFaultCodesWorcester Bosch CE Fault Code
The Worcester Bosch CE fault code means: your boiler has stopped working because the water pressure inside your heating system has dropped too low to operate safely.. It appears on 1 Worcester Bosch model in our database.
Technical description: System pressure too low
DIY fix possible
Locate the external filling loop, which is a silver braided hose connecting two pipes near your boiler.Open the valves at both ends of the hose to allow mains water into the system.Watch the pressure gauge on the front of the boiler until the needle reaches the green zone (typically between 1.0 and 1.5 bar).Close both valves tightly and remove the hose if required.
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Gas Safe Register →Worcester Bosch models that show the CE fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Worcester Bosch CE fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026