Ninja BL640 - User Manual

Questions and Answers

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Gabrielle WilsonAug 18, 2025
What to do if my Ninja Blender motor doesn’t start?
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  Samuel TorresAug 18, 2025
  If the Ninja blender's motor doesn’t start or the attachment doesn’t rotate, ensure the container is securely placed on the motor base and the lid is correctly positioned. Verify the appliance is turned 'On' by pressing the power button and that the plug is securely inserted into the electrical outlet. Also, check the fuse or circuit breaker. If the unit has overloaded or overheated, unplug it and wait approximately 15 minutes before using it again. Make sure the unit is not overloaded.
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April VincentAug 21, 2025
What does a blinking red light mean on my Ninja BL640 Blender?
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  martinbrendaAug 21, 2025
  If your Ninja blender has a blinking red light, it indicates that the unit isn't installed correctly. For your safety, the unit can only be turned on when properly assembled. Refer to the assembly pages of the manual for assistance.
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mharrisAug 23, 2025
What to do if my Ninja BL640 Blender motor doesn't start?
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  dawn54Aug 23, 2025
  If the motor of your Ninja Blender doesn't start or the blade assembly doesn't rotate, first ensure the container is securely placed on the motor base and the lid is correctly positioned and securely on the container. Check that the blender is turned “On” by pressing the power button. Also, verify that the plug is securely inserted into the electrical outlet and inspect the fuse or circuit breaker. If the unit has overloaded or overheated, unplug it and wait approximately 15 minutes before using it again. Finally, ensure the unit is not overloaded.
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Linda CalhounAug 26, 2025
Why is there a blinking red light on my Ninja BL640 Blender?
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  Kevin HughesAug 26, 2025
  If your Ninja Blender is giving you a blinking red light, it means the unit is not installed properly. For your safety, the unit can only be turned on when properly assembled.
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Breanna JensenAug 27, 2025
How to prevent food from being too watery in my Ninja Blender?
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  Mr. Timothy RayAug 27, 2025
  If the food is chopped too fine or is too watery in your Ninja blender, it means the food has been over-processed. Use the Auto-iQ™ Pulse button for controlled processing.
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Timothy RiddleAug 30, 2025
What to do if food collects on the lid of my Ninja BL640 Blender?
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  Dylan RichardsonAug 30, 2025
  If food collects on the lid or sides of the container of your Ninja blender, the mixture is likely too thick. Try adding more liquid.
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david77Sep 1, 2025
How to make snow from ice in Ninja Blender?
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  Shane BarnettSep 1, 2025
  If you cannot achieve snow from solid ice in your Ninja blender, avoid using ice that has been sitting out or has started to melt. Use ice straight from the freezer. Begin with a few pulses and then switch to a continuous blending cycle.
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nrodriguezSep 3, 2025
Why won't the motor base of my Ninja Blender stick to the counter?
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  afreemanSep 4, 2025
  If the motor base of your Ninja Blender won’t stick to the counter or tabletop, make sure the surface and suction feet are wiped clean. Note that suction feet will only stick to smooth surfaces and will not adhere to wood, tile, or non-polished finishes. Do not attempt to use the appliance when the motor base is stuck to an unsecure surface.
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Nicole ChapmanSep 6, 2025
How to fix unevenly chopped food in Ninja BL640?
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  Brian BellSep 6, 2025
  If your Ninja Blender is not chopping food evenly, you may be chopping too much food at one time, or the pieces may not be of even size. Try processing smaller amounts per batch.
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Valerie WeissSep 8, 2025
Why is food unevenly chopped in my Ninja BL640 Blender?
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  unobleSep 8, 2025
  If food is unevenly chopped in your Ninja blender, you might be processing too much food at once, or the pieces aren't uniformly sized. Try processing smaller amounts per batch.

Summary

Important Safety Instructions

General Electrical and Usage Safety

Additional Safety Precautions

Using the Nutri Ninja Blender Duo

Important Usage Safeguards

Covers essential safety precautions during appliance operation and handling.

Assembly and Use for the Blender

Blender Assembly Steps

Detailed steps for assembling the blender pitcher onto the motor base and adding ingredients.

Blender Operation and Removal

Instructions for operating the blender, pausing, stopping, and safely removing the pitcher.

Assembly and Use for the Nutri Ninja Cups

Nutri Ninja Cup Assembly and Use

Steps for assembling Nutri Ninja cups, attaching blades, and operating the unit with cups.

Nutri Ninja Cup Removal and Enjoyment

Programs and Speed Settings

Care and Maintenance

Cleaning Instructions

Troubleshooting Guide

Common Problems and Solutions

Addresses issues like motor not starting, uneven chopping, and error messages with possible fixes.

Ninja BL640 Specifications

General

Model Number	BL640
Power	1200 Watts
Capacity	72 oz
Blade Material	Stainless Steel
Speed Settings	3
Speeds	3
Pulse	Yes
Ice Crushing	Yes
BPA Free	Yes
Material	Plastic
Color	Black
Warranty	1 Year
Features	Auto-iQ Technology