This article contains the Troubleshooting Guide for the OS100 / OS300 / OS400 Series Ninja® Foodi® Pressure Cooker. This supports the following product SKUs OS100, OS200, OS301, OS305CCO, OS400, OS400C, OS401B, OS402, OS405, OS101, OS101WBKT, OS402, OS405WBKT and OS405CCO.