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.
I would recommend that you first check the Hall effect sensor which determines the speed. I had this exact problem (but mine occurred with a 600 professional model) 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 blender 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 tight. Guess what? My original sensor also made my mixer work! There was nothing wrong with my original Hall effect sensor except the connection between the control board and sensor was not adequate--unfortunately I didn't check the connections before I decided to buy another one. My guess is that the connection between the control board and the sensor probably loosens or comes undone over time from use and vibrations.
1. Download the mixer parts and diagrams from the Kitchenaid website to see what the Hall effect sensor looks like. 2. You'll need a phillips head screwdriver to open up the mixer. 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 connection between the control board and sensor is correct. it's hard to know which way the sensor should be connected because the control board has three prongs and the sensor can attach facing up or facing down. If, after you've made the connections, the mixer still doesn't work. Disconnect the sensor and reconnect it with the prongs facing the opposite direction and try it. I actually found the right orientation through trial and error. By going through this trial and error, I also had my Eureka moment when I realized that the original sensor probably would also work it were reconnected with correct orientation. 5. This whole process probably takes less than 10-15 minutes to perform.
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. [email protected]. Let me know if it works.
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.
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
SOURCE: My Kitchenaid mixer (k5ss lift bowl?) smells hot
I think you have a K45SS. It sounds like there is a problem with one of the gears, probably the worm gear. The worm gear is designed to be the first to fail if the mixer has struggled with a heavy dough or other difficult to mix substance. The best way to establish the cause will be to open the head up and check the gears for signs of damage.
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