Ninja OS401 how to install the pressure lid
Before using the Pressure Cook, Steam, Sous Vide, Slow Cook or Yogurt function.
Steps
To prevent risk of explosion and injury, use only SharkNinja silicone rings. Make certain silicone ring is installed and lid is properly closed before operating. DO NOT use if torn or damaged. Replace silicone ring before using.
Marked WARNING by the manufacturer Source: Important Safeguards: item 16, p. 2
- Align the arrow on the front of the lid with the arrow on the front of the cooker base.
- Turn the lid clockwise until it locks into place.
- Turn the pressure release valve to SEAL for the Pressure Cook function, or to VENT for Steam, Sous Vide, Slow Cook and Yogurt.
The pressure lid will not unlock until the unit is completely depressurized.
Source: Familiarizing Yourself With Pressure Cooking; Installing & Removing the Pressure Lid Source: Familiarizing Yourself With Pressure Cooking; Installing & Removing the Pressure Lid, pp. 13, 15, 16, 17, 18
Used for
- LID: The LID message appears with a flashing lid icon.
- ADD FOOD: Sous Vide preheating is complete.
- The unit takes a long time to come to pressure
Other OS401 procedures
- How to release pressure with the quick releaseOnly when the recipe calls for it, after pressure cooking is complete and the KEEP WARM light is on.
- How to release pressure naturallyWhen pressure cooking is complete and the recipe does not call for a quick release.
- How to remove the pressure lidAfter the pressure has been released and the float valve has dropped.
- How to pressure cookWhen a recipe uses the Pressure Cook function.
- How to run a first Pressure Cook test with waterBefore first use. The guide recommends an initial run to get familiar with pressure cooking.
- How to remove and reinstall the silicone ringTo wash the ring after use or to replace it.
- How to remove and clean the anti-clog capAfter every use, and when checking the valves before cooking.
- How to install and remove the condensation collectorBefore first use, and to hand-wash the collector after each use.
- How to clean the unit after useAfter every use.
Sources
- OS401 Owner's Guide: Foodi 10-in-1 8-QT XL Pressure Cooker. SharkNinja Operating LLC. Document OS401_IB, revision MP_REV_Mv12, 25 pages, en. ninjakitchen.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.