Device with Blockable/Un-Blockable Fluid Channels and Built-In Self-Test Equipment

A device, comprising:

• a plurality of first fluid channels connected to one or more first fluid inlets;
• a plurality of first valves, each of said first valves having a first control port which allows for blocking or un-blocking a flow through one of the first fluid channels based on a pressure applied to said first valve via said first control port;
• a plurality of first control channels, each of said first control channels being connected to at least one of said first control ports;
• and
• self-test equipment, featuring:
• a plurality of second fluid channels;
• a plurality of second valves, each of said second valves having a second control port which allows for blocking or un-blocking a flow through one of the second fluid channels based on a pressure applied to said second valve via said second control port;
• and
• a plurality of second control channels, each of said second control channels being connected to at least one of said second control ports;
• wherein each of said first control ports is connected to at least one second control port.