Solenoid valve troubleshooting: solenoid valve cannot be closed

- Mar 21, 2020-

The seal of the main spool or iron core is damaged → replace the seal

Is the fluid temperature and viscosity too high? Replace the solenoid valve

Foreign matter enters the valve core or moving iron core of the solenoid valve → clean

Spring life has reached or deformed → replace

Throttle balance hole blocked → clean in time

The operating frequency is too high or the life has expired → change product or update product