What should I do if the circuit board and motor are burnt out by the leakage of commercial soymilk machine after repeated maintenance?

The seal of commercial soymilk machine is a patent, and the general manufacturer has no right to use it. Even if it is sealed, it is unclear whether the sealing effect is good or not. In your case, this manufacturer does not have a complete and mature sealing technology. Many manufacturers have different sealing technologies and different effects. The manufacturer with better sealing technology is Heyuan. The sealing technology used by Heyuan commercial soymilk machine mainly relies on X-type silica gel to achieve sealing, and then combined with multi-layer sealing sleeve to complete the whole sealing system and sealing.