Low
i6 on Worcester Bosch Greenstar Heatslave II

Your boiler is simply displaying the current speed at which the hot water is flowing through your taps, rather than indicating a 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

DHW flow rate - The screen displays the current DHW flow rate in 0.1l/m units.

From this model's manual
Verified against the Worcester Bosch Greenstar Heatslave Ii 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

Press the 'Reset' button or the 'Menu' button to return the screen to the standard operating displayMonitor if the display persists after closing all hot water tapsIf the boiler is otherwise working normally, no further action is required

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