268 Low

Worcester Bosch 268 Fault Code

The Worcester Bosch 268 fault code means: your boiler is performing a routine self-diagnostic test on its internal electrical switches and should return to normal operation shortly.. It appears on 13 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: Relay test was activated

What causes the Worcester Bosch 268 fault?

This occurs when the boiler performs an automated health check on the internal relays that control electrical components. It is a standard safety procedure designed to ensure that the switches on the main circuit board are opening and closing correctly. The boiler pauses briefly during this cycle and typically resumes normal operation once the test is complete.

Typical repair cost £0-80 (including labour)

DIY fix possible

Wait for 5-10 minutes for the automated test sequence to completeIf the code persists, press the 'Reset' button on the front display panel onceEnsure there is power to the boiler and no recent power cuts have occurred

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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 7 July 2026