cut-out has switched off the kettle, it must be allowed to cool down sufficiently, or must be descaled before it is switched on again. rinse thoroughly with clean water. ● Do not pour descalers down enamelcoated sinks. Before using for the first time ● To clean the kettle, boil and discard the first filling of water. General cleaning and care ● Before cleaning the appliance, ensure it is disconnected from the power supply and has cooled down completely.