Low
208 on Worcester Bosch Greenstar i

Your boiler is currently set to a special testing mode used by engineers to check its performance, rather than a standard operating fault.

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

Appliance in service Test mode (Min/Max)

From this model's manual
Verified against the Worcester Bosch Greenstar I installation & service manual, page 37.
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 service or test button on the boiler control panelPress the button once to exit the testing modeMonitor the display to ensure the code clears and the boiler returns to normal standby

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