2. It may be that the gasket inside is aging or broken.

3. It may be a quality problem, because the material quality is low, so there will be various problems.

The solution can be found directly after sale and handled by professionals.

It is suggested that such problems should not be solved by themselves, so as to avoid improper installation and great danger in operation.

Buy this kind of electrical appliances must buy big brands, reliable quality, safety and security.