Electro-hydraulic valve control system and control method

A system and method for controlling an electro-hydraulic valve assembly for performing a pump checking function are provided. The system includes an electro-hydraulic valve arrangement which is arranged between a source of pressurized fluid and a hydraulic actuator. Pressure sensors are provided to sense a source pressure, which is the fluid pressure between the source of pressurized fluid and the electro-hydraulic valve assembly, and also sensing an actuator pressure, which represents the fluid pressure between the electro-hydraulic valve arrangement and the actuator. A controller receives a signal for opening the electro-hydraulic valve arrangement to provide a requested flow rate to the hydraulic actuator. The received signal is modified to prevent fluid flow through the electro-hydraulic valve assembly when the source pressure is less than the actuator pressure.