Chosen Solution
why is stop working .it use to be working in good condition
Try replacing the fuse. Here’s how: Oster Digital Electric Kettle BVST-EK5967 Thermal Cutoff Fuse Replacement
The usual problem with this kettle is that the relay stops working. Even though the relay makes the clicking sound but once you remove it and test it you’ll see that the switch doesn’t close. The Part number is NT75-1A. You can replace it with an American made relay that should last longer.