BoilerFaultCodesWorcester Bosch 2915 Fault Code
The Worcester Bosch 2915 fault code means: your boiler's main internal computer has encountered a memory or communication error, preventing the system from running safely.. It appears on 8 Worcester Bosch models in our database.
Technical description: Boiler electr. system fault
What causes the Worcester Bosch 2915 fault?
This fault occurs when the boiler's internal processor or memory chip fails to communicate correctly with the rest of the system. It is usually caused by a hardware failure within the main control board or a sudden electrical surge that has corrupted the board's software. Because the boiler can no longer verify that it is operating safely, it will shut down immediately to prevent any damage.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Worcester Bosch models that show the 2915 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Worcester Bosch 2915 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