ok to answer both of your questions. the mixer needs a new speed selector switch. it sounds to me like the contacts are burnt out or worn out one. the motor is fine its just the motor isnt getting the right voltage from the switch. its either on or off or medium speed or no speed. either way you both have to replace the switches. you can get the parts and do it yourself at kitchenaid.com or your local appliance store should be able to get them for you to.
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: which part do i need
Hello Jovana,
First thing you are going to have to do is take the planetary off and check the key and the gears in the planetary. The parts that you may need to replace are endless as we do not know what may be broke in the unit. More than likely it will be in the planetary of the unit if you get it off and do not find anything post back to this thread and I will get you started on the next step.
Thank you for choosing FixYa
SOURCE: Where can I get like
Replacement parts for Wolfgang Puck Stand Mixers are available here:
http://www.wpcookware.com/categories.asp?cat=32
If you do not see the model number for your product or parts are not shown, suggest you contact their Customer service at 1-800-275-8273 to determine if the required replacement part is available for your model. Alternatively try making an inquiry via their webform:
http://www.wpcookware.com/contact.asp
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