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Aaron Smykowski Posted on Jun 01, 2014

How do I fix a speed control switch that doesn't stay in the off position?

My KSMC500 mixer has the speed control which stays in the "1" speed. If you move the arm to "OFF" it turns off but it returns to the "1" position if you let go.

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Clive Cudmore

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  • Posted on Jun 16, 2014
Clive Cudmore
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My daughter had this problem with her mixer. The problem is that the screw that holds the speed lever has come loose. To get at the screw you have to dismantle the head. It took me about 1/2 hour to take it apart and put it back together. It is not that hard, except that you have to drive a pin out of the beater shaft. Works great now.

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Anonymous

  • 16 Answers
  • Posted on Mar 21, 2009

SOURCE: kitchenaid mixer speed

I would recommend that you first check the Hall Effect sensor which determines the mixer’s speed.  I had this exact problem and I actually went out and bought another Hall sensor for about $13.  I replaced the original sensor and made sure that the connection between the sensor and control board was nice and snug. My mixer worked as good as new! But I was curious to know if my original sensor was defective, so I put it back in mixer and again made sure all of the connections were snug and tight. Guess what?  My original sensor also made my mixer work!  There was nothing wrong with the original Hall Effect sensor except that the connection between the control board and sensor was not tight--unfortunately I didn't check the connection before I decided to buy another sensor. My guess is that the connection between the control board and the sensor probably loosens or comes undone over time from use and vibrations. To fix your problem:
1.  Download the mixer parts and diagrams from the Kitchenaid website to see what the Hall Effect sensor looks like. BTW the part number is 9703312.

2.  You'll need a phillips head screwdriver to open up the mixer gear case cover.
3.  Make sure that the connection between the control board and sensor is absolutely tight and snug.
4.  Also, make sure that the orientation of the sensor is correct.  It's difficult to tell which way the sensor should be connected because the control board has three prongs and the sensor can attach facing up or down. After you've made the connection, run the mixer. If it still doesn't work, disconnect the sensor, reconnect it with the prongs facing the opposite direction and try it again.  I actually found the right sensor orientation through a little trial and error.  But by going through this trial and error, I also had my Eureka moment when I realized that the original sensor probably would also work if it were reconnected with correct orientation.  
5.  This whole process probably takes about 10-15 minutes to perform.
6.  Finally, use your common sense and make sure to unplug the mixer before checking, connecting or disconnecting anything.

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Anonymous

  • 135 Answers
  • Posted on May 02, 2009

SOURCE: KichenAid K5SS Speed lever does not stay in

Hi Burt. Go to mendingshed.com, look up kitchenaid mixer parts. Near the top of the page, locate the free kitchenaid service manual. Download this valuable manual, it will help you to diagnose and repair your mixer. Mending Shed also sells KA parts. If you order parts directly from kitchenaid be prepared to wait for at least a month for the parts to arrive.

If this solution has assisted you, please rate it. Good luck! ricardok45

Anonymous

  • 2 Answers
  • Posted on Jan 29, 2010

SOURCE: My KitchenAid KSM90 will not turn off.

I determined that the switch that controls whether the mixer is on or off is controlled by a copper bar with a contact. The contact got fused to the copper bar, possibly due to a short. Since the contact got fused to the copper bar, the circuit was always connected, so the mixer was always on. The solution was to 1) unplug the mixer, and 2) take a screw driver and gently pry the contact away from the copper bar. When the mixer is in the off position, the copper bar and contact are no longer in contact. When the mixer is on, the copper bar and contact make contact. My mixer now works just fine. Yea!

Anonymous

  • 1 Answer
  • Posted on Dec 18, 2010

SOURCE: Turntable does not turn. Motor runs. Beaters work.

I have the same one, and the turn table has never turned on it's own. from looking at the bottom of the stand, i think the mixers are supposed to turn the bowl, so i just give it a little turn, and the mixers kinda take care of the rest. BTW, i got 2 sets of beaters with mine and i dont know what the second set is for, do you? contact me at [email protected]

Anonymous

  • 153 Answers
  • Posted on Jul 03, 2011

SOURCE: Model K5SS -- The speed control

Open up the Motor Housing and inspect the Switch Lever with Stud.
The Lower Gearcase has many depressions which allow the stud to
snap into it when the Speed Selection lever is moved. If the Stud
is worn out then there isn't much you can do but replacing it.
3184193 is the Switch Lever And Stud part number for your model.

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How to fix a kitchen aid mixer that does not turn off

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The speed control lever is either bent or the screw it pivots on has come loose. The only way to solve the problem properly is to take off the back cover, remove the white and the black wires from the speed control plate, remove it from the pedestal (1 screw up inside the pedestal to remove hinge pin), take the chrome drip ring off, remove the planetary and remove the 9 screws holding the 2 case halves together. That will allow you access to the lever and you will be able to tighten the screw or remove and bend the lever to give it more tension on the bumps in the housing that hold it in off or speed positions. This list is pretty much in order of how you do it.
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Control lever will not stay in off position

If the mixer will not shut off with the switch knob this usually is caused by the switch not correctly being adjusted with the control link and cam assembly.
You will need to bend the fixed contract until the switch arm properly engages. See the service manual: http://lib.store.yahoo.net/lib/mendingshed/kitchenaidservicemanual.pdf
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I have a Kitchen Aid k45ss that was dropped a few years ago. I works fine but the speed switch doesn't want to stay in the off position so we have to unplug it. I opened the unit and the switch...

When you said "the speed switch doesn't want to stay in the off position", you meant to
say "the speed switch in the OFF position does not turn OFF the mixer", or "the speed
switch physically cannot be moved to the OFF position"?

In any case, try to adjust the mixer speeds.
Obtain a copy of the K45SS Repair Part List from Kitchenaid.com.
Remove the screw holding the End Cover and locate the three screws from the Control Plate.
All three (2 top left and right, and 1 bottom) must be adjusted.

1. Loosen the lock nuts enough & Turn the 2 top screws clockwise until they cannot be turned
anymore. Leave the bottom screw alone for now.
2. Use a dab of white paint or paper whiteout to mark the positions of the Phillips screws.
3. Plug in your mixer and Set the speed selector to "Stir".
4. Turn each top screw One full turn couterclockwise (alternating between Left and Right)
Keep making one full turn at the time (for both left and right) until the motor starts running.
5. Put your hand near the Agitator shaft and allow it to brush your finger slightly. Use your
watch or clock and start counting the number of times the shaft touches your finger in
60 seconds. The correct count should be 60 RPM (Rounds Per Minute). If it is less
or more than 60, give each screw 1/4 turn counterclockwise or clockwise and start counting
again. Now tighten both lock nuts.
6. Set the speed selector to "6" and turn the bottom screw either clockwise or counterclockwise
to achieve a speed of 180 RPM.

For your reference, the planetary RPM's for the 5-qt. tilt-head Artisan Stand Mixer are as follows:
Stir speed - 60
Speed 2 - 95
Speed 4 - 135
Speed 6 - 180
Speed 8 - 225
Speed 10 - 280
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http://shared.whirlpoolcorp.com/assets/pdfs/literature/Repair%20Part%20List%20-%208212369.pdf
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Its ok to by pass the timer.You can bypass it and the switch will work.Let me get my service manual and ill post back on how to do it.
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