Question about KitchenAid KSM150PSGR 325 Watts Stand Mixer
This is my friends blender. She said one day it just stopped working. Checked it out and it just hums. Nothing inside moving at all. Asked friend if she smelled any smoke and she said no. Opened blender and inspected motor brushes and the brushes and commutator look perfect. Checked inline fuse as well. Motor spindle turns freely and easily. BTW, turned spindle while unit was on. Zero resistance. Any ideas?
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Posted on Jan 02, 2017
It's doubtful that the switch is at fault but either the field or the armature winding could be open.
These are fairly easy to check once the innards are accessible, with any multimeter and a little understanding/experience.
I don't know how speed selection and regulation is done in that mixer but it may be electronic (as opposed to earlier electromechanical governors) and checking that section requires a little bit of knowledge about the components used.
When you replaced the brushes, did you notice anything about the surface they contact? The segments are made of copper and should appear shiny where the brushes contact, not discolored or burned-appearing. If they show signs of heat or charring, this could mean that the field windings are damaged.
Posted on Oct 10, 2008
Hi Gail. Kitchenaid no longer has a Parts List for your model. This means that they consider it obsolete. Do an Internet search for parts. You may get lucky. Good luck!
If this solution has assisted you, please rate it. ricardok45
Posted on Apr 04, 2009
SOURCE: Humming kitchenaid
Hi. You have internal damage to the transmission caused by the jamming of the beater. Go to mendingshed.com and download their free Kitchenaid Repair Manual. This covers your K45SS Model. Go to kitchenaid.com , click on customer care, then select search for manuals. Enter your k45ss in this manner k45sswh. Download the parts list. You are now "Armed and Dangerous"!
Unplug the mixer! Follow the instructions in the manual for disassembly. This Manual is worth it's weight in gold.
Get yourself lots of paper toweling and a pair of disposable gloves. This is a greasy project. The trick is to clean off each successive piece removed from the trans, inspect it for damage, and lay each piece in sequence on a piece of cardboard to make reassembly easier, or take a digital photo of every piece as you remove it. Modern technology makes so many repairs now possible due to the immediate photo documentation we can get. Priceless!
Finally, I recommend replacement grease, Chevron FM ALC EP-2 Food Grade grease. Non-toxic!
If this solution has assisted you, please rate it. Good luck! ricardok45
Posted on Apr 17, 2009
HAMILTONCOOL - It appears that your mixer had a mechanical failure in the transmission box or planetary gear assembly of your mixer failure - one of the main gears has failed, hence the loss of power to the agitator. You didn't mention any associated noise prior to the loss of power to your agitator, but I'm assuming there was just a little more noise than usual, prior to failure.
The inspection and troubleshooting of the transmission is a DITY capability, particularly if your mixer is out of warranty. Just be sure to have the correct Part List manual around when you start to disassemble your mixer. If you're lacking one, you can download it from the KA website. Click on Customer Care>Locate Manuals & Guides> Enter the 6 character model number, and then select Parts List file. You can check the page titled 'Case, Gearing & Planetary Unit, for the disassembly, troubleshooting, and reassembly of your mixer, along with all the parts. It can be messy but gratifying. Once apart you can check for any other unseemly wear and tear on the gears, etc. Good hunting... I hope this helps - Howard, Burke, VA
Posted on Nov 19, 2009
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