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Our blendtec makes a really loud whining sound when running

When in use, our normally quiet blendtec makes an incredibly loud, whining noise...not sure what the cause is. :/

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Making a high pitched noise while blending; is motor breaking down?


there are some Breville Blender troubleshooting tips here
http://brevilleusasupport.com/bbl550xl/troubleshooting . Tied in with that, a high pitched noise could come in from a few directions:

Some blenders will use reduction gears to get more torque and power out of a high RPM, lower power motor. If this is the case, the whine could be from the motor, though if you hadn't noticed before, that would not be reassuring.

Per the troubleshooting, check that the blade is firmly attached, and that the coupling from jug to base is firm. If there are gaps or loos spots, there can be buzzing or whining between sort-of-spinning parts and shafts or bolt threads.

Check the motor base for dried spilled-on margarita mix or marinara sauce or what have you. they try to seal this pretty tight in a blender, but it has to spin, so food spills can get in the gap and cause friction and resistance, which can in turn cause whining noises from parts not expecting the load. If you do any cleaning or poking there, make sure you unplug the blender first. Shocks are not fun.

likewise, make sure that blade rotates easily from turning the coupling on the outside of the jug. If not, the bearing may be siezed or contaminated. That you'd likely want to fix by replacement.

Hope this helps!
D

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i have blendtec blender model ES3 they have problem always showing overload?

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ust removing all power from the machine for 15 secs or more should reset it.You can contact Blendtec here, Not a solution I know sorry. The manual is here http://www.blendtec.com/Resources/A3-31E-BHMV/Connoisseur%20Manual.pdf
you can contact them here
http://www.blendtec.com/contactus.aspx

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I had the same problem with the Watchdog reading and I simply turned the On Off Switch really fast and Presto! It worked!

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You can also go to http://veggiesensations.com to buy blendtec total blender parts. Hope this helps!

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You can't. The Jars have perfectly balanced blades that cannot be changed. A replacement jar from Blendtec is cheaper than a replacement blade assembly from other manufacturers. 1-800-253-6383 is the customer service number.

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Sounds like a motor issue. The easiest thing is to contact Customer service at 1-800-253-6383. They can tell you if it is still under warranty.

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I wouldn't fix the jar, just buy a new one. A crack, though rare, could possibly harbor bacteria. You could try using heat and melting it, but it wouldn't work as well. Your jar may still be under warranty, call Blendtec at 801-222-0888

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