Low
268 on Worcester Bosch Junior 28i

Your boiler is currently running a self-diagnostic check of its internal parts, which it usually does automatically after a reset or power cut.

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 phase

DIY fix possible

Wait up to 15 minutes for the test to complete automaticallyEnsure any room thermostats or timers are calling for heatIf the code persists for over an hour, try turning the power off and back on again

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