As others Described it, the cover is prone to stop functioning; it happened to mine too. Shucks.
My recommendation is, indeed until a better kettle comes around buy this one and then keep buying it each time When the cover stops working. I know this is less than a perfect solution but think of this as a kettle disposable one.
Oh yes, it is Widely available cheaper at a German electric / electronic retailer (Europe's largest consumer electronics retailer for consumer electronics with more than 200 megastores in 9 countries) Whose name I can not mention Because then Amazon.com wants to hand me over to the Stasi and then I will not be able to make tea in the foreseeable future.