This article contains the FAQs for the BN400 Series Ninja® Nutri-Blender Pro with Auto-iQ®. This supports the following product SKUs BN400, BN400C, BN401, BN401C, CL401A and CL405CO.

Do I need to prep my ingredients before blending?

For best results, make sure your ingredients are uniform in size before adding them to the cup. Cut ingredients in 1" pieces.

Unit doesn't mix well or ingredients are getting stuck.

Using the Auto-iQ programs is the easiest way to achieve great results. The pulses and pauses allow ingredients to settle toward the blade. If ingredients are routinely getting stuck, adding some liquid will usually help. When filling the cups, start with fresh fruits and vegetables, next add leafy greens and herbs, pour in liquid or yogurt next. Then add any dry or sticky ingredients like seeds, powders, and nut butters. Finally top with ice or frozen ingredients. Reference the owner's guide for more recommendations on different settings to use for best blending results.

How do I assemble the cup onto the motor base?

1. Plug in motor base and place on a clean, dry, level surface such as a countertop or table. 2. Add ingredients to the Single-Serve Cup. DO NOT add ingredients past the MAX LIQUID line. 3. Place the Pro Extractor Blades Assembly on the top of the cup and turn clockwise to seal. 4. Turn the cup upside down and install on the motor base by aligning the tabs on the cup with the slots on the base. Then, rotate cup clockwise until it clicks. Once locked in place, the programs will illuminate and the unit will be ready for use. Press one of the programs to begin blending.

Why is my unit pausing when pressing SMOOTHIE or CRUSH?

If you selected an Auto-iQ program, there will be a unique blending and pausing pattern that does the work for you. Once an Auto-iQ program is selected, it will start immediately and automatically stop when processing is complete. To stop processing before the end of a program, press the currently active button again.

Why is the control panel not illuminated?

Make sure unit is plugged in. If the unit is plugged in and no container is installed, the unit will display '- -'. The available programs will illuminate after placing a container on base and rotating it clockwise until it clicks into place. If the above does not work, try plugging the unit into a different outlet (prefereably in a different room) and follow above steps. If issue persists, send new motor base.

Are all pieces dishwasher safe?

All parts, except for the motor base, are dishwasher safe.

How do I clean my unit?

Containers, lids, and blade assembly are dishwasher safe. Ensure the blade assembly and lid are removed from the container before placing in the dishwasher. If hand-washing, wash containers, lids, and blade assembly in warm, soapy water. Use a dishwashing utensil with handle to avoid direct contact with the blades. Exercise care when handling the blade assembly as the blades are sharp. Thoroughly rinse and air-dry all parts. To clean the motor base, unplug the unit then wipe the motor base with a clean, damp cloth.

When do I use the START/STOP button?

Press once to start continuous running up to 60 seconds; press again to stop. Can also be pressed to stop a running Auto-iQ program. NOTE: Cannot be used in conjunction with any Auto-iQ Program.

When should I use PULSE?

PULSE offers greater control of pulsing and blending. Operates only when PULSE is pressed. Use short presses for short pulses and long presses for long pulses. NOTE: Cannot be used in conjunction with any Auto-iQ Program.

What is AUTO-iQ CRUSH Program?

The CRUSH program turns ice, juices and fruit into expertly blended frozen drinks.

What is AUTO-iQ SMOOTHIE Program?

The SMOOTHIE program allows you to combine your favorite fresh or frozen ingredients, liquids, and powders to create smoothies and protein shakes.

The lid or Pro Extractor Blades Assembly is difficult to assemble onto the cup.

Set the cup on a level surface. Place the lid or Pro Extractor Blades Assembly on the top of the cup and align the threads so the lid/blades sit flat on the cup. Twist clockwise so the lid/blades evenly align with the cup until completely sealed.

Unit is moving on counter while blending.

Make sure the unit is placed on a dry, level surface and that the feet of the unit are clean and dry.

Unit is difficult to remove from counter for storage.

Tip unit forward from the back to disengage the suction feet.

Control panel does not turn off.

Remove container from base by rotating it counterclockwise and lifting it up. The display with flash '- -'. Unplug the power cord from the outlet. If the unit remains plugged in, the display will time out after 3 minutes of inactivity. Press any button to wake the unit.

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