My wife removed the rear cover to clean flour from the vent openings. The mixer ran perfectly before this but when she reinstalled the cover it will not turn on. No buzz or any motion at any speed. It has power to the control panel and to all prongs on the panel. ????
Link to the Service Manual:
http://ep.yimg.com/ty/cdn/mendingshed/kitchenaid6qtservicemanual.pdf
SOURCE: mixer speed settings
It could be the phase control, or it could be that the governor assembly or associated spring is missing or malfunctioning.
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 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: k45ss kitenaid mixer surges at low speeds
Hi. Go to mendingshed.com and download their free Kitchenaid Service Manual. This valuable document will help you to tune up your mixer, and covers the K45SS model. They also sell kitchenaid parts.
Go to kitchenaid.com and search for a parts manual for your mixer. Enter your model# thusly k45sswh.
If this solution has assisted you, please rate it. Good luck! ricardok45.
SOURCE: My wife's kitchenaid classic 250 watt mixer wobbles on the base
It sounds like your mixer likes to take a beating, ive never dropped one and for good reason, they weigh quite a bit. first check to see if all the rubber legs on the bottom are still there. if they are the only possible solution to fix it after being bent or warped is to either re-shape the part using a tool strong enough to do the job, or to replace the parts needed. the hinge pin part number is 16910. is the base is bent the part number is 240151-1. If the lower portion of the mixer itself is bent or warped this is a serious problem and will require you to dissassemble the entire unit. part number for the lower gearcase is 240350-4 Please not that all the parts list are white in colour. hope this helps.
Thanks
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