An awesome student from our education program made this wiki. It is not managed by iFixit staff.
Nutri Ninja BL450 Troubleshooting
Motor doesn't start
When you turn the blender on, the motor will not start.
Incorrectly aligned cup
Make sure that the blender cup is properly aligned with the blender base. If it is not properly aligned, the blender can not function.
Blade doesn't rotate
When you turn the blender on, the blade does not spin properly.
Improperly threaded blade
Make sure the blade is properly screwed on to the cup. (WARNING: The blade is very sharp so be careful!)
While blending, your recipe leaks out of the cup.
Examine the cup and make sure there are no cracks that could cause a potential leak.
Improperly twisted blade
Make sure that the blade is twisted on the cup properly. (WARNING: The blade is very sharp so be careful!)
Blender doesn't turn on
When you attach the cup, nothing happens.
Make sure the blender is plugged into a working outlet.
Cup not attached to base
Make sure the cup is pressed all the way down into the base.
Blender blade doesn't attach to cup
When you try to attach the cup to the blender blade, it will not align properly.
Put the cup on the counter so it is level and carefully screw on the blade so that it is aligned properly. (WARNING: The blade is very sharp so be careful!)