The reasons
1. The ground wire is not connected;
2, electrical heating tube insulation damage (this may be the problem of insulating magnesium oxide powder, or joint insulation problems);
3. The electric heating tube burns out and the cup body is short-circuited;
4. Improper cleaning, the water hits the terminal of the stainless steel electric heating pipe;
5, the circuit wire falls off and the cup body collides;
6. There is too much dirt on the electric socket or power plug;
7. The water quality is too bad, and the water pollution is serious;
Solution
1. Connect the ground wire as required and check if it is correct;
2, inspection and repair, if such an event occurs, it is recommended to replace;
3. The electric heating pipe has been damaged and replaced with the same specification electric heating pipe;
4. Clean and dry the stainless steel heating tube correctly;
5, check off the wire, re-weld;
6. Clean and dry properly;