To build pressure it requires at least 1.5 – 2 cups (355 – 473 ml) of water or liquid. Note: The amount of liquid is dependent on the quart size.
Not setting the steam release valve to the Sealing position for pressure-cooking and steaming. If it is not sealed, pressure will not build. For additional troubleshooting, please refer to Troubleshooting or go to the troubleshooting section of the user manual.