Question about Vitamix 5000 Work Top Blender

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On my Vitamix 5000 the variable speed control does not work

The high low switch works fine

Posted by Jim Barry on

  • John kazmarski Mar 01, 2019

    How do you open an MP Vitamix blender.
    There are no visible screwy.
    Just a small horizontal slot on the front of the base.

    John

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4 Answers

Ross Keen

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It will probably just need the pot replacing, take note of where the wires go. I see someone else here is doing the same job and wants to know where to put them back. Take a photo first saves a lot of grief. The pot is the rotary resistance switch behind the knob.

Posted on Mar 25, 2014

  • Mike Tellegen Mar 16, 2015

    Known as the Potentiometer.

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Raul Almquist

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Replace the potentiometer with a newer and BETTER one. Vitamix installs a .75 watt 5000 ohm general/CHEAP potentiometer, stay away from the cheap general purpose (low life cycle), the CHEAPER potentiometers WILL need replacing sooner rather than later!
Replace it with a COMMERCIAL GRADE 2 watt, 5000 ohm, 25000 rotational life cycle potentiometer!
You can use the following part numbers to reference this part anywhere, including ebay!
"RV-4NAY-SD502A" or RV4NAYSD502A
OR
"53C3-5000-S" or 53C35K
Typical price should be under $10.00US delivered. Do it right the 1st time... the commercial pot's will likely last longer than you do!

Posted on Feb 27, 2019

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Tom Ahola

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Https://youtu.be/rGh4hBvNqrA

I repaired my speed control without any spare parts as shown in my video.

Posted on Jun 15, 2018

heyitsrick01

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HI That variable speed switch is actually available online for $.50 YES FIFTY CENTS....if you order from the right places.... Specifically I ordered from Parts.Arrow.Com.... no minimum # of pieces... a flat shipping fee of $4.05 USPS or $6.99 UPS/FedEx.
I gave the exact part number as it was printed on the switch in very tiny print. I couldn't find any images of the switch I'm receiving, but the part # is identical so I'm pretty certain it should be exactly what's needed. I HAVE purchased that Variable speed switch AND the circuit board.. NORMALLY up to $150 (for the board & the switch) but it's also available on eBay $39... and it works fine... nothing to solder, just unscrew & replace parts... Good luck... I"ve done this a few times and it's REALLY quite simple.

Posted on Dec 19, 2014

1 Related Answer

ccaatteess

Scott Cates

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SOURCE: my vitamixer's variable speed switch is stuck on

This problem sounds like failure of the Variable Speed Potentiometer component. Here is the most helpful Fixya article so far: http://www.fixya.com/support/t6032529-need_replace_speed_control
I have the same problem right now and don't want to pay ridiculously high prices for a small electronic component.
So far, this is as far as I've gotten in researching replacement parts:Vitamix Part #015955
Partstown sells #15955 for $23.39 on their website but I found out they charge $15 for shipping -- for a one-ounce piece of electronics. I won't pay to be ripped off on shipping so I won't buy one from Partstown until I've exhausted less-expensive suppliers. Here is the product at Partstown: http://www.partstown.com/vita_mix/vm15955

Another Fixya contributor, Robert Sadler, said he was going to try a generic potentiometer from Mouser.com. His descriptions are kind of vague for me. I'm not an electronics expert so I'm not very confident I can interperet his description:

"If you are comfortable with soldering, you can get a replacement part at Mouser.com. The pot is a 5k "slimline" made by Bourns, however looking inside the cover it looks like most pots would fit. I ordered one for a bit over $5 and will update when I get it with how it worked. You would just have to solder the existing wires to it." -Robert Sadler

I have no problem soldering the existing wires onto a new component but I don't really know what would be an appropriate potentiometer to buy as a replacement from an electronics supplier. In addition, Mouser's website seems to sell potentiometers only in bulk quantities of 5, 6, 12, or 45 items at a time. I just want one.

If anyone knows how to interpret Robert Sadler's comments, or has actually done this repair, please post below. I'm sure quite a few people would benefit from a high-quality repair at a low component cost.

Posted on Nov 19, 2011

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1 Answer

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Have a look at this, this guy has done the job.

http://uppityairlinepilot.blogspot.co.nz/2012/09/vita-mix-5000-variable-speed-fix.html

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Check the hi low switch, it may be faulty.

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Why does my vitamix machine only have low and high, no variable dial?


You need to pay more money and buy the better model to get the speed control.

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Bad variable switch?

check out their site, they are awesome, and may help better.

Contact Us Customer Service Vitamix

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Check here for replacement of necessary part to be replaced.

Fairly easy to do. You can find a video on how to replace a vitamix potentiometer or Pot for short, check youtube.

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Feb 09, 2014 | Vitamix 5000 Work Top Blender

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Can't unscrew drive socket on vitamix super 5000 to replace it. The 5/64 hex wrench does not fit in. And another problem is that variable speed does not function. It is possible only slow or high speed.


The hex wrench only fits in one position, there is a groove in the lip in the top housing and you need to turn the coupling until the hex screw head lines up. The groove is normally plugged with a dob of white silicone. The hex screw is not tightened fully tight on reassembly, the coupling needs a bit of slop. Speed control problem will likely involve replacing the control switch assembly.

Aug 25, 2013 | Vitamix 5000 Work Top Blender

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Some models had a weakness with the variable resistance in the rotary switch but your description sounds more like the main PCB or even the motor both of which are very expensive parts to replace.

Nov 04, 2017 | Vitamix Blenders

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My vitamixer's variable speed switch is stuck on about 2/3 speed. the on/off switch works fine. the high/variable switch changes from high to about 2/3 speed. the variable speed dial has no effect of the...


This problem sounds like failure of the Variable Speed Potentiometer component. Here is the most helpful Fixya article so far: http://www.fixya.com/support/t6032529-need_replace_speed_control
I have the same problem right now and don't want to pay ridiculously high prices for a small electronic component.
So far, this is as far as I've gotten in researching replacement parts:Vitamix Part #015955
Partstown sells #15955 for $23.39 on their website but I found out they charge $15 for shipping -- for a one-ounce piece of electronics. I won't pay to be ripped off on shipping so I won't buy one from Partstown until I've exhausted less-expensive suppliers. Here is the product at Partstown: http://www.partstown.com/vita_mix/vm15955

Another Fixya contributor, Robert Sadler, said he was going to try a generic potentiometer from Mouser.com. His descriptions are kind of vague for me. I'm not an electronics expert so I'm not very confident I can interperet his description:

"If you are comfortable with soldering, you can get a replacement part at Mouser.com. The pot is a 5k "slimline" made by Bourns, however looking inside the cover it looks like most pots would fit. I ordered one for a bit over $5 and will update when I get it with how it worked. You would just have to solder the existing wires to it." -Robert Sadler

I have no problem soldering the existing wires onto a new component but I don't really know what would be an appropriate potentiometer to buy as a replacement from an electronics supplier. In addition, Mouser's website seems to sell potentiometers only in bulk quantities of 5, 6, 12, or 45 items at a time. I just want one.

If anyone knows how to interpret Robert Sadler's comments, or has actually done this repair, please post below. I'm sure quite a few people would benefit from a high-quality repair at a low component cost.

Apr 08, 2010 | Vitamix 5000 Work Top Blender

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