Electric actuator fault scenario 8: The driver sometimes cannot be opened or closed.
Test method: 1. On or off control power may be input simultaneously, and use the instrument to check if the power supply is normal.
Electric actuator failure scenario 9: The electric valve is open to the fixed point, there will be shake situations
Tissue method: 1. Motor brake spring tired or Teflon wear, considering changing spring or Teflon.
