Pneumatics stop working and tank/pump stop making a buzzing sound

I was experimenting with pneumatics and it was working and making a buzzing noise and would extend and retract the cylinders. Then, the buzzing sound that comes from the pneumatic pump and/or tank suddenly stops and then the pneumatics would stop working and airflow would stop. Does anyone know if this is a fixable solution or it is a defect in the product?

When I had this issue, it was purely a code issue. I used controller.get_Digital_Press instead of controller.get_Digital_New_Press, so every time i pressed the button to toggle a cylinder, it would rapidly try to open and close, staying still while the solenoid buzzed

I don’t think that is the problem because the solenoid won’t buzz and I don’t use python, I use block coding, and there isn’t a controller press block in Vex IQ at least. I can try this out though. Thanks

Assuming you have a generation 2 brain, you can test pneumatics using the devices screen.

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I have tried that and it still won’t work though. The buzzing still won’t happen and the pneumatics won’t work. Thanks for the suggestion