Operation Manual
17
7.3 NOISE LEVEL CHANGES
If the blender noise level has increased from original levels, determine whether the 
sound is coming from the blender motor or jar�
• Blender Motor: Remove the pitcher and run blender at highest speed� 
• Listen to how the motor sounds� If it is excessively noisy, contact your 
Blendtec service center for evaluation�
• Jar: After checking the motor, place the jar back on the motor� Run the motor 
for a few seconds using the Pulse button� (If you have more than one jar, test 
a different jar to determine whether the sound is different�) If a jar is exces-
sively noisy, or if the blade assembly seems loose or sounds “gravelly” when 
turned by hand, contact your Blendtec service center�
7.4 BLENDED TEXTURE UNSATISFACTORY
If the blended texture of product is lumpy or uneven, do the following:
• Ensure the mixture is not cavitating during the cycle� Cavitation is a condition 
in which an air pocket forms within the drink mix because the mix is too cold 
or too solid� The blender blade then spins freely in this cavity� This problem 
can be corrected by increasing the mix temperature by either reducing 
ice, increasing liquid and/or ensuring that the frozen ingredients used in the 
recipe are never colder than 10 degrees Fahrenheit (-12 degrees Celsius)� 
• If the drink is mixing well but has not had enough time for complete blend-
ing, increase cycle time� Try a longer cycle or touch and hold the “Pulse” 
button for the required extra blending time�
• TRIED EVERYTHING? If none of the preceding suggestions work, contact 
your Blendtec service agent for further assistance�
INSTRUCTIONS THAT APPEAR IN THIS USER GUIDE ARE NOT MEANT TO 
COVER EVERY POSSIBLE CONDITION OR SITUATION THAT MAY OCCUR.  
GOOD JUDGMENT MUST BE USED WHEN OPERATING THIS OR ANY 
OTHER MACHINERY.










