268 Low

Worcester Bosch 268 Fault Code

The Worcester Bosch 268 fault code means: your boiler is currently in a manual testing mode that was triggered via the settings menu, meaning it is performing diagnostic checks rather than heating your home as usual.. It appears on 11 Worcester Bosch models in our database.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description: Component test mode. Appliance is running the manual component test as activated in the menus.

DIY fix possible

Locate the manual/reset button or menu settings on your boiler control panelExit or cancel the 'Component Test' or 'Installation' menuRestart the boiler to return it to normal operating mode

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Worcester Bosch models that show the 268 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Worcester Bosch 268 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 31 August 2026