Question about KitchenAid K5SS Mixer Speed Control Plate Kitchen Aid

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Funky speed KitchenAid KSM900B works for a moment in low speed,then stops. Works great at speed 8 and above. Speed control plate?

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  • KitchenAid Master
  • 1,231 Answers

Could also be a broken wire to the control plate. It's not very often the plate itself. Just looking in there while operating the lever may reveal something. The shaft at the bottom that moves the plate closes a set of points to start the mixer, maybe the points are loose and not closing when they should. Just be careful operating it with the cover off and alive.

Posted on Dec 31, 2013

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  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: speed switch doesn't work, Hi speed only

CAREFUL, do this unplugged. Behind the back plate (one screw on top to remove) there is an adjustment single security screw, lower center. Adjust this screw out or in as needed. Hit or miss but very easy. Repeat till all speeds work as designed.

BobbyT

Posted on Dec 20, 2008

  • 1 Answer

SOURCE: Kitchenaid K5A mixer 10 speed only runs on fast, no slow speed

Pull the back off and there will be two screws at the top of the Speed Control Plate and a 3rd screw at the bottom. Tighten the top two screws down. bakerboy49203@yahoo.com. Let me know if it works.

Posted on Mar 21, 2009

  • 16 Answers

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.

Posted on Mar 21, 2009

hslincoln
  • 235 Answers

SOURCE: How do I replace the Speed Control Knob on the K5 Kitchenaid Pro

Hi PETER, Happy New Year! Your Speed Control Knob can be replaced quite easily (OK, maybe with a little effort) by yourself, if you are a DITY type person, feel adventurous, and your mixer is not under warranty.
Before you start taking your mixer apart, be sure you have the Parts List manual on hand. If you're lacking one, you can download a PDF version from the KA website at: http://www.kitchenaid.com/flash.cmd?/#/page/home.
Click on Customer Care>Locate Manuals & Guides> Enter the 6 character model number, in your case use KSM50P (Your K5SS mixer falls within this manual), and select the first file KSM50P.pdf (438.31 KB) listed under Parts List (4) and then check to verify this matches your mixer model.
Your speed control assembly is attached to the bottom of the top part of the mixer’s head (or Illus. No 1, Gearcase Motor Housing, on pgs 4 & 5).
Turn to pages 6 & 7, titled: “Motor And Control Parts”, which provides an exploded view for the disassembly and reassembly of your mixers electrical components, along with all the parts. Locate lllus. Nos. 1, 2, 3, 4 - Pivot screw, Spring Washer, Switch Lever and Stud, and Control plate spring, respectively, which is the speed control handle assembly and Illus No. 5 and 6 - Speed Link & Cam and Flat Spring. Carefully inspect these parts to see if they have not come loose, particularly the Pivot Screw and Spring Washer. Also check to see if the Speed Link & Cam hasn’t shifted from its position. You should be able to see if something just needs to be tightened or if parts need to be replaced.
Also, with your mixer apart you can check for any other unseemly wear and tear on the gears, etc. It can be messy but quite gratifying to diagnose and repair your mixer yourself.
As far as parts go, here are five potential vendors in no particular order: RepairClinic.com; mendingshed.com; searspartsdirect.com; partstore.com; and Grainger.com. Prices can vary widely between vendors, so do your comparison shopping.
Finally, here are some links to several excellent websites that detail the disassembling/reassembly of a KA Mixer. The mixers displayed in the links may be different than your KA model, but the principles are the same.

Between these three websites and their excellent pictures and descriptions and your Parts List manual, you should now be able to completely disassemble and reassemble your mixer, should you decide to go that route.
If you feel this repair is beyond your capability, then I would seek out a local small appliance repair shop in your area. KA Customer Care can give you names of local KA authorized repair shops in your area, but you can also do an online search to supplement what KA may provide you. Call to explain your circumstances and find out their hourly rate and get an estimate of what they think it would cost to repair your mixer. Also, always obtain three or more estimates – do some comparison shopping.
Good Luck. I hope this helps. Howard, Burke, VA
If this solution was helpful, please rate it, thanks! – hslincoln

Posted on Jan 04, 2010

hslincoln
  • 235 Answers

SOURCE: How to replace KitchenAid KSM75WH Speed Control

Hi PC1546. Replacing your speed control lever is a pretty simple repair job. The inspection and troubleshooting of the inside of your mixer is a DITY capability, particularly if your mixer is out of warranty. Just be sure to have the Parts List manual on hand. If you're lacking one, you can download a PDF version from the KA website at: http://www.kitchenaid.com/flash.cmd?/#/page/home.
Click on Customer Care>Locate Manuals & Guides> and select “Consumer” for User Type, then enter the 6 character Model Number, in your case, KSM75W, and select the file listed under Parts List (1) KSM75WH1.pdf (341.26 KB) and save that to your computer. (Check that it matches your mixer model).
Turn to pages 6 & 7, titled “Motor And Control Parts”, which provides an exploded view for the disassembly and reassembly of your mixer’s electrical components, along with all the parts. Locate Illus Nos. 1, 2, 3, 4, which are Pivot screw, Spring washer, Switch lever and stud, and Control plate spring respectively. Disassemble your mixer to the point of accessing your speed selector assembly, and inspect the pivot screw to see if it hasn’t worked itself loose over time. That’s the simplest thing to fix. If loose, tighten. Inspect the rest of the assembly to determine if something else hasn’t broken or gotten out of alignment. If something has broken, you can order replacement parts and install them yourself.
As far as parts go, here are five potential online vendors in no particular order: RepairClinic.com; mendingshed.com; searspartsdirect.com; partstore.com; and Grainger.com (for grease). Prices can vary widely between vendors, so do some comparison shopping.
While your mixer is apart it would be ideal to check for any other unseemly wear and tear on the gears, etc. It can be messy but quite gratifying to diagnose and repair your mixer yourself.
Here are some links to several excellent websites that detail the disassembling/reassembly of a KA Mixer.

Between these three websites and their excellent pictures and descriptions and your Parts List manual, you should now be able to completely disassemble and reassemble your mixer.
Good luck and have fun. I hope this helps. Howard, Burke, VA
If this solution was helpful, please rate it, thanks! – hslincoln

Posted on May 03, 2010

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1 Answer

The speeds 1-4 on my kitchenaid 5qt mixer dont turn on and the other speeds setting are all the same speed


The solution will probably be under the back cover. Are the switch contacts touching at speed 1? Are all the wires secure on the black control plate? Has anyone been fiddling about with the speed control adjustments? Possibly the small 4 wire PCB above the black control plate is unwell although normally it would give completely dead or every speed high speed.

Jan 10, 2017 | KitchenAid Food Mixers

1 Answer

I just searched the KA parts data base for this model and there is no such part???


There are a few parts that make up the speed control mechanism, the selector can only be the knob and lever. That moves the speed control plate which is the ********* square thing under the back cap that tilts when the lever is operated. There is a governor on the end of the armature under that control plate, that governs the speed by cutting the power through a circuit to maintain an even speed. Above the black control plate is a PCB (phase board I think they call it) that along with the other bits & pieces regulates the power to the control plate.

Oct 06, 2016 | KitchenAid K45SS Classic Stand Mixer

1 Answer

Ksm 103 on one speed


Remove the back cap over the speed control and look at the speed control plate while operating the speed lever. Make sure the lever is moving the plate in and out. If yes then I would replace the small PCB above the control plate, that is the electronic part of the speed control and not worth very much at all.

Jun 15, 2016 | KitchenAid Food Mixers

2 Answers

Kitchenaid mixer will not run on speeds LOW SPEEDS only runs on speed ten. I've replaced the phase board and that was not the issue. what else could be causing this problem


If it does not start at all until you get to speed 10 then look for a broken wire an any of the wires NOT associated with the phase board. Highly unlikely since you have just been there. Next look at the operation of the switch low down inside the black speed control board. There is a primitive switch there operated by a shaft from your speed control lever. You may find the switch is not activating until it gets right up to speed 10. Have you checked the carbon brushes? The phase board you have just done is normally the culprit for your problem.

Dec 20, 2014 | KitchenAid KSM75WH WhiteTilt-head Stand...

1 Answer

How do I fix my Kitchenaid mixer, that produces a loud clatter at low speeds and a burning smell?


That green sparking looks to be in the area of the off/on contacts, look for something causing them to not be touching properly. The speed control lever has a ramp on the plastic end that goes through that speed control plate to move that copper arm, that is the off/on switch. I'm wondering if maybe the voltage from your converter is not fully as it should be, just a thought. If you wanted to properly convert to Euro voltage you need an armature, a set of fields and that small PCB with the 6 wires off it just above the black speed control plate. You set your slowest speed (#1) with the 2 screws and locknuts on the top of the speed control plate. 13 to 15 rpm in 15 seconds, I do it by running mixer with palm of my hand in position to be bumped by the silver shaft on the planetary each revolution, count them and watch your second hand. Once that is done you set that bottom screw to just increase the speed as you click the lever into speed 2. Had a look at your video, the governor does not sound happy, it could be the back plate adjustment out of whack to cause it. You can email me with more questions if you like screaming_skull@hotmail.com

Nov 30, 2014 | KitchenAid KSM150PSGR - Artisan Series...

1 Answer

Kitchenaid troubleshooting


If nothing is sticking in the movement of the control plate at the back I would replace the little PCB at the back just above the control plate. Where I live it is called a phase board.

Sep 04, 2014 | KitchenAid K45SS Classic Stand Mixer

1 Answer

Kitchenaid deluxe 5 edition stand mixer runs on speed 10 and after 30 sec stops I thought it was the speed control pannel then I order one online and change it but that work 2 times and i have the original...


In the Artisan mixers the problem can be caused by two different parts. First the speed control plate. When you remove the end cover from the mixer the first thing you see is the speed control plate. There are 3 screws on this, two at the top, one on the bottom. Try adjusting the top two screws, to adjust, turn in the control plate adjusting the screws an equal amount.
Also check to see if the control plate spring is unhooked. Remove end cover, and check control plate spring. If unhooked, attach to bottom of the control plate and squeeze the spring end.
It can also be caused by incorrect wiring, check the wiring, the last page of the service manual will be a wiring diagram for your mixer. Here is a link to the service manual. http://lib.store.yahoo.net/lib/mendingshed/kitchenaidservicemanual.pdf
Last, if the control plate is properly adjusted, the control plate spring is hooked correctly and the wiring is correct you will need to replace the speed control phase board. With the line cord disconnected, pull the t-bar contacts to open and insert a piece of paper between them so they cannot close. Reapply power-the mixer should just run or buzz trying to run. If it operates at full speed, the phase control is defective and needs to be replaced.
Thank you,
Colleen
Customer Service
MendingShed.com
800-339-9297

Jan 27, 2013 | KitchenAid KSM150PS Artisan Series Stand...

1 Answer

Only works speeds 6-8. Turns off when moving knob to lower speeds. Tightening two screws in the back of the mixer above the power cord changed the working range from 4-6. Any ideas?


Obtain a copy of the Repair Part List for your model from Kitchenaid.com.
Download a Copy of the Kitchenaid Service manual.

http://www.kitchenaidparts.be/centers/servicemanual/mixer.pdf

You need to adjust the mixer speeds:

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

Jul 26, 2011 | KitchenAid 32685 Mixer

1 Answer

The KSM150PS 325W mixer does nothing until speed control is moved up to position 8 or 10. Then when repositioned back down to say 6 it may run for a moment but then stops. It might just click on position...


You need to adjust the mixer speeds. Obtain a copy of the KSM150PS 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 all 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

Apr 22, 2011 | KitchenAid KSM150PS Artisan Series Stand...

1 Answer

The mixer motor starts and stops, it will not continue running on any speed. By playing with the speed selector you can get it running sometimes but you cannot keep it running if you change speeds.


Here is how your speed control works:

Speed Control
The speed control of the mixer is attained through the use of a governor assembly mounted at the rear of the control plate assembly.
The electrical circuit is made and broken by the action of the fly ball governor revolving against the control plate.
When the switch lever is moved to an ON position, the position of the control plate with respect to the governor is changed by the action of the switch lever.
Thus, when the control plate is set close to the governor, a relatively low speed of the motor causes the governor to make or break the mixer’s electrical circuit through the control plate.
When the control plate is set farther away, a greater motor speed is required before the governor starts breaking the circuit.
The action of the governor is such that the speed of the motor will remain constant for a given setting of the control plate within certain loads.
After certain loads have been exceeded, the speed of the motor will drop to meet the torque requirements of the given load.
Speed is controlled by the governor and the control plate in conjunction with the phase control.

TRIAC RMS VOLTAGE
BOTH CONTACTS OPEN - 40 VOLTS
ONE CONTACT OPEN - 80 VOLTS
BOTH CONTACTS CLOSED - FULL VOLTAGE
NOTE: The triac regulates the power the motor sees depending on control board contacts.
A device called a triac is a part of the phase control circuit.
This device determines the amount of power the motor sees dependent upon the condition of the control board contacts.
If both contacts are open, about 40 volts RMS is applied to the motor and about 80 volts is applied when either contact is closed and the other is open.
When both contacts are closed, the triac is full on; consequently, full power is applied to the motor. In this way, the speed is controlled.
If the mixer motor begins to run too fast for a
particular speed setting, one or both contacts open, which cuts back on the voltage the motor sees, thus slowing it up.
If the motor operation becomes too slow, one or both contacts will close, applying the needed voltage to the motor to sufficiently increase motor speed.
This is always accomplished through the triac.
The control plate contacts control the triac, and in turn, controls the amount of power supplied to the motor.

The control Plate for your mixer is PN
W10119326
http://www.marbeck.com/mixers_kitchenaid_parts.html

If your not good with tools / meters or tedious repairs do NOT attempt this yourself.
The service manual for your mixer can be found here
http://www.f-ems.com/download/DownLoad.aspx?DocsID=082009012917

and is:
LIT4177310-C


Mar 14, 2010 | KitchenAid KSM103 Professional 5 Series...

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