Water solenoid valve appears to be unable to close the solution description

When the water solenoid valve is working, sometimes it may not be closed. If you are unable to close it, please refer to the following possible causes and solutions:
1. If there is impurity entering the solenoid valve spool, it is recommended to clean it in this case.
2. Spring deformation. It is recommended to replace the spring.
3. The working frequency is too high and the life expectancy has arrived. It is recommended to re-select or update the product.
4. The seal of the main spool is damaged. It is recommended to replace the seal.
5. The orifice balance hole is blocked → timely cleaning.
6. Viscosity or fluid temperature is too high. It is recommended to replace the solenoid valve of the opposite port.