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Re: When I switch my mixer on it goes to full speed
If it is a Kitchen Aid mixer I would suspect the little pcb with 4 wires coming out of it under the rear cover at the top.
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Does the mixer operate on the lower settings once you've got it going at the higher speeds?
If so the motor mechanism may need to be serviced (cleaned). OR it could be the switch mechanism is either 'dirty' (maybe with built up flour?) or has failed and needs to be replaced.
While UNPLUGGED, move the switch back and forth from OFF to full speed many times, if you have compressed air, blow that into the slot around (top & bottom) while operating the switch.
Set to OFF, plug it in the mixer and try it.
If that doesn't fix the problem, then consider having the mixer serviced or replaced.
There is a spring inside your mixer attached to the speed control switch and speed control arm, the spring can sometimes get caught on the slide bar that is just below it inside the mixer. The other reason is that the speed control switch plate in the rear of the machine (that the spring attaches to) vibrates the three speed adjustment screws out or in and the spring will pull the speed switch (control arm that you use to control mixing speed when using the mixer) back to the stir position after you try to turn the mixer off.
If it is a spring problem you will have to do a full tear down to get at the spring and either free it or replace it. If it is a problem with the adjustment screws on the speed plate, that can be handled at the rear of the machine and is twice as easy to get at but sometimes much more frustrating to adjust. There are "YouTube" videos on the internet that will walk you through the process of adjusting your speed control plate just Google "adjusting speed on kitchenaid mixer" I hope this helps. please let us know if it does and if you have other questions just post them here and we will "FixYa"
You either need to adjust the speed control switch under the rear dome or you need to replace the switch, I think you can find on YouTube videos on how to adjust speed control switch and the part is easily available on the internet. AND!! you can do this repair without a full tear down.
The screws are roughly 8 turns in from fully out when starting to set the speed. On the lowest speed 13 revolutions of the planetary in 15 seconds is a good speed.
Contact Kitchenaid Parts and order a new speed switch. Be prepared to wait a month for it to arrive. It's relatively easy to replace. Be sure to unplug the mixer first. Make note of which wire goes where! If the switch goes bad again in the future, buy a different brand of mixer. ricardok45
The likely problem is the Hall Effect sensor located on top of the motor. This sensor is used to determine the speed of the motor. Since it does not sense a speed, the motor revs to top speed and shuts down. You have to shut the switch to Off/Reset to try again. Replace the sensor which costs under $10 before replacing the speed control which costs $50.
Here is where you can download the repair manual. Read the section on speed control adjustments and repair. This might not be difficult for someone who is mechanixcally and electrically knowledgible.
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