Question about KitchenAid K5SS Heavy Duty Commercial Stand Mixer

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Mixer speed switch is haunted

I have a pro5 475w mixer. It automatically raises its speed to max and then shuts off, every time you move the switch to any setting. I've replaced the switch twice, and in 20 minutes the new switch is haunted again. Sometimes the switch will go back to normal for a few minutes, and then goes right back to "auto-shift max speed-shut-off." Quite the thing to use.

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  • JBHW Mar 03, 2008

    I've got the exact same problem -- it runs for about 10 seconds, accelerating all the while, and then shuts off.  Cycling the switch to off and then on will repeat the process.  It seems that some "speed governor" has malfunctioned, and as the machine reaches an unsafe speed, the auto-shutoff feature cuts off the mixer.

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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.

Mike H.

Posted on Mar 25, 2008

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