What should I do if the anti-flood device is activated?
If the anti-flood device is on, indicated by the end indicator flashing 3 times intermittently and the acoustic signal sounding 3 times, you must close the water tap immediately and contact an Authorised Service Centre. Do not attempt to fix this issue yourself. (Page 16)
From the official Ikea 804 756 07 Rengora Integrated Dishwasher manual, page 16
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