Low
208 on Worcester Bosch 26 CDi Xtra

Your boiler is currently running in a manual testing mode used by engineers to check emissions, which overrides your normal temperature settings.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

The boiler is in chimney sweep mode

From this model's manual
Verified against the Worcester Bosch 26 Cdi Xtra installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Locate the button with a 'chimney sweep' or 'flame' icon on the control panel.Press and hold the button for at least five seconds until the display returns to the normal temperature reading.Switch the boiler power off and back on at the fused spur switch to reset the software if the code persists.

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