What to do if the solenoid valve cannot be turned off

What to do if the solenoid valve cannot be turned off

1. The seal of main valve element or iron moving element is damaged → replace the seal

2. Whether the fluid temperature and viscosity are too high? Replace the corresponding solenoid valve

3. Impurities enter the valve core or moving iron core of solenoid valve → cleaning

4. Spring life has reached or deformed → replace

5. Choke balance hole blocked → clean in time

6. Working frequency is too high or service life has reached → select products or update products