the reason
1. The ground wire is not well connected;
2. The insulation of the electric heating tube is damaged (this may be the problem of insulating magnesium oxide powder, or the insulation problem of the joint);
3. The electric heating tube is burnt out and the cup body is short-circuited;
4. Improper cleaning, water hits the terminal of the stainless steel electric heating tube;
5. The circuit wire falls off and collides with the cup body;
6. Too much dirt on the electric heating 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 whether it is correct;
2. Check and repair if such an event still occurs, it is recommended to replace it;
3. The electric heating tube is damaged and replace the electric heating tube of the same specification;
4. Clean and dry the stainless steel heating tube correctly;
5. Check the missing wires and re-solder them firmly;
6. Clean and dry properly;
