Question about Vitamix 5000 Work Top Blender
The high low switch works fine
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
"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
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
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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