1. Circuit board failure of water outlet key: This is the circuit board failure of water outlet key, which caused the hot water kettle to lose power immediately after pressing the water outlet key.

2. Water leakage of the water outlet pump: another phenomenon is that the water outlet pump leaks, which also causes the hot water kettle to be cut off immediately after pressing the water outlet key.

3. Switch failure: There is also a switch failure, which causes the hot water kettle to lose power immediately after pressing the water outlet key.