Hiya,
Sorry you are experiencing an issue with your appliance. It would appear you need to replace your phase board. Please see one of the links below to assist you. Please note the videos show how to replace 230V phase board. The steps are the same for 110V. Please make sure you have the correct part for your appliance.
https://www.youtube.com/watch?v=era-Dp5P8Xw
https://www.kaparts.co.uk/Help/KitchenAidHelp/KitchenAidMixerHelp/KitchenAidReplacingyourphaseboard230volt/tabid/613/Default.aspx
SOURCE: Kitchenaid Mixer K45SS
I just did this last week!
1 Unplug Mixer
2 Remove screw on TOP of mixer body, at back.
3 Remove rear cover and paper-gasket thing (its not the end of
the world if you end up tearing it a little).
4 the phase control (little circuit board w/wires) is at the top (you
should see it very easily) held on by one screw, remove it.
5 when the circuit board is unscrewed, disconnect all the wires
that are connected FROM THE CIRCUIT BOARD to the
black control plate (NOT all wires-there should be 4 left on
the control plate at this point). you don't need to
remember where all the colors go as the control plate is
labeled->but looking at them and making sure you
understand the abbreviations would be beneficial
(BK=black, BL=Blue RW=Red&White W=white R=red etc.
6 install new phase control (screw), either buy new thermal
grease (used to keep the board cool->it transfers heat to
the mixer's housing) or try to salvage what you can from
the old one.
7 connect wires, paying attention to labels.
8 reinstall paper gasket, then cover, then screw to hold on back-
cover.
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: Hello, my Kitchenaid stand mixer
Check that the brushes are the right way round. They will go in the hole in four positions, but only one is right. Use a torch to check inside the hole. Also check the fuse.
Testimonial: "It worked !!!!, elated that didn't have to disassemble entire mixer to find the problem. A very big thank you Fixya738."
SOURCE: do th gears in a kitchenaid mixer need oil
Hi SHIRLAFINK, you do not need to 'oil' the transmission gears on a KA mixer. Your KA mixer comes with enough grease to 'last a lifetime' - whatever that means?
Depending on the age of your mixer and how heavily you use it, there may be a time when you might want to replace the grease, but that period is usually measured in years of useage.
Of course if one of the gears strips or breaks, you will need to replace all the grease when you replace the broken gear. Attempting to use salvaged grease jeopardized the remaining gears if pieces of metal or plastic debris are suspended in the old grease.
I hope this helps - hslincoln, Burke, VA
If this solution has been helpful, please rate it, thanks! hslincoln
Testimonial: "Thanks very much, very helpful."
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