Solenoid isuues

So our solenoid is not switching our pistons back and forth. It compresses them but will not release that pressure when it is switched, it simply applies pressure in both directions. Has anyone had a similar problem or have a solution?

It sounds like the solenoid valve is plumbed incorrectly.
As if you have an exhaust port blocked.

That doesnt make sense, because if that were true then it would let all the air out from the port that it should ave been plugged into.

We fixed it by replacing the electrical plug in