How to reset anti flood valve on JL dishwasher?

The dishwasher has a fault no.30 which is the anti flood valve is on how do we reset the valve? John Lewis dishwasher
Carol, December 2016


done
This may help

https://www.ukwhitegoods.co.uk/forumsphpbb3/aeg-favorit-50730-anti-flood-device-t8800.html

XXX, December 2016
link Click here to see other fixes for John Lewis.