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Derek EstradaAug 8, 2025
What to do if 'Err' appears on the Ninja Kitchen Appliances display?
- KKaren SanchezAug 8, 2025
If 'Err' appears on the display of your Ninja Kitchen Appliance, it means that the power to the appliance was interrupted, or the function dial is not in the 'OFF' position while plugged in. To solve this, turn the function dial to 'OFF', then select your desired cooking mode. If the error persists due to a power failure, discard the food for safety. You can also call Customer Service at 1-877-646-5288.