Ninja OP450UK Instructions
![Ninja OP450UK manual cover](/images/cd040361d5fdc4e0961c6e2f/thumbs/thumb175x175.webp)
To clean the Ninja OP450UK, ensure it is unplugged and cooled down. Remove the cooking pot, reversible rack, and crisping lid. Wash these with warm, soapy water or in the dishwasher. Wipe the main unit with a damp cloth.
Check if the unit is properly plugged into a working outlet. Ensure the lid is closed correctly. If it still doesn't turn on, inspect for any blown fuses or tripped circuit breakers.
If the lid is stuck, ensure all pressure is released by turning the pressure release valve to the vent position. If it remains stuck, allow it to cool completely and try again.
To prevent sticking, preheat the pot and add a small amount of oil or cooking spray before adding food. Stir regularly and avoid overcrowding the pot.
Yes, the Ninja OP450UK can cook frozen food. Simply add extra cooking time to account for the frozen state and ensure the food reaches a safe internal temperature.
The 'WATR' error code indicates that the appliance is sensing low water or no water. Add the necessary amount of liquid as specified in your recipe.
To reset the Ninja OP450UK, unplug the unit from the power source, wait for about 10 minutes, and then plug it back in. This can help resolve minor operational issues.
For pressure cooking, do not fill the pot more than two-thirds full. For foods that expand, like rice or beans, do not exceed half full to prevent overflow.
The sealing ring should be replaced every 12 to 18 months, or sooner if it becomes cracked or has absorbed strong odors that do not wash out.
It is recommended to use wooden, silicone, or plastic utensils to prevent scratching the non-stick coating of the cooking pot.