My KitchenAid food processor is properly assembled and the motor makes a humming sound like it is working but the blade will not spin.

Make and Model helps!!

Here are some 7 Cup Processors

Owner's Manual

KitchenAid https://www.kitchenaid.com > global > documents
Before operating the Food Processor, be sure the work bowl, blades/disc and work bowl cover are properly assembled on the base (see the "Assembling the Food.
56 pages

7 CUP FOOD PROCESSORS

KitchenAid https://www.kitchenaid.ca > global > documents

Insert the desired blade or disc into the work bowl. See next page for instructions. 5. Place the work bowl cover on the work bowl with the feed tube just.

Food Processor Manuals

Cuisinart https://www.cuisinart.com > manuals > food_processors

Find manuals for our current and discontinued food processor products. Maximize the performance of your food processor and learn about the safety features.

5KFP0719AOB-User-Manual.pdf

Winning Appliances https://www.winnings.com.au > public > manuals > 5KFP...
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11 pages

You will probably need to replace the sleeve on the motor shaft and the blade. If overloaded the shaft can spin inside the blade which wrecks the connection between them. Replacing both together is the correct solution.

The Kitchenaid food processors have a few safety features implimented. If the unit is not assembled properly, this may prevent the unit from turning on. I am thinking this is an issue of assembly because the light is on, so the unit is definitely getting power.

Proper assembly is below:

If it isn't all ready, please disassemble the entire unit. This means removing the blade and/or disc, blade, removing work bowl, work bowl lid, and blade.

Start by placing the work bowl onto the motor base. The work bowl handle should be facing at 9 o'clock, which is out to your left. Rotate the handle downward until it locks in at the 6 o'clock position, which will lock over the center of the button panel.

Repeat the process with the work bowl lid. The blade does not need to be present for the motor to engage, if this is an assembly issue.

The Kitchenaid food processors have a few safety features implimented. If the unit is not assembled properly, this may prevent the unit from turning on. I am thinking this is an issue of assembly because the light is on, so the unit is definitely getting power.

Proper assembly is below:

If it isn't all ready, please disassemble the entire unit. This means removing the blade and/or disc, blade, removing work bowl, work bowl lid, and blade.

Start by placing the work bowl onto the motor base. The work bowl handle should be facing at 9 o'clock, which is out to your left. Rotate the handle downward until it locks in at the 6 o'clock position, which will lock over the center of the button panel.

Repeat the process with the work bowl lid. The blade does not need to be present for the motor to engage, if this is an assembly issue.

I am assuming the unit is getting power. The "power" LED should be lit up on the front of the unit.

The Kitchenaid food processors have a few safety features implimented. If the unit is not assembled properly, this may prevent the unit from turning on. Proper assembly is below:

If it isn't all ready, please disassemble the entire unit. This means removing the blade and/or disc, blade, removing work bowl, work bowl lid, and blade.

Start by placing the work bowl onto the motor base. The work bowl handle should be facing at 9 o'clock, which is out to your left. Rotate the handle downward until it locks in at the 6 o'clock position, which will lock over the center of the button panel.

Repeat the process with the work bowl lid. The blade does not need to be present for the motor to engage, if this is an assembly issue.

If this has not resolve the issue, please ensure the outlet is receiving power.

If the unit is still not functioning, take a close look at the bottom of the work bowl where it meets to the motor base. The work bowl, when locked in, depressed a gray plastic peg. This is the safety mechanism. You may trying depressing this peg on your own with a pencil. If this activates the motor, this may indicate your work bowl is no longer seating correctly.

Also check the work bowl handle to make sure nothing is cracked. There is a plastic assembly in the handle that acts as a second safety feature.

If either of these things seems to be the culprit, I would suggest seeking a new work bowl or work bowl lid to correct the issue.

I am assuming that the unit is not getting any power whatsoever and this is not isolated solely to the pulse function not working.

The Kitchenaid food processors have a few safety features implimented. If the unit is not assembled properly, this may prevent the unit from turning on. Proper assembly is below:

If it isn't all ready, please disassemble the entire unit. This means removing the blade and/or disc, blade, removing work bowl, work bowl lid, and blade.

Start by placing the work bowl onto the motor base. The work bowl handle should be facing at 9 o'clock, which is out to your left. Rotate the handle downward until it locks in at the 6 o'clock position, which will lock over the center of the button panel.

Repeat the process with the work bowl lid. The blade does not need to be present for the motor to engage, if this is an assembly issue.

This sounds like an issue relating with the assembly of the machine. The motor is definitely getting power if the indicator is lit. However, Kitchenaid food processors are designed (as a safety feature) to remain unengaged if the unit is not assembled in such a way. Here is the proper assembly:

Please disassemble the unit. This means: removing the blade, removing the work bowl, the work bowl cover, and unplugging the unit.

Starting with the work bowl: place the handle at the 9 o'clock position, which is out to the left. Rotate downward to the 6 o'clock position until it locks in, centered over the button panel.

Repeat the process with the work bowl lid.

Depending on which food processor you have, you may need the feed tube pusher depressed at least half way down the feed tube.

Plug in the unit. The blade does not have be installed for unit it to work at this point, assuming everything is assembled properly and the motor is functioning. The motor should now be working.

The Kitchenaid food processors have a few safety features implimented. If the unit is not assembled properly, this may prevent the unit from turning on. I am thinking this is an issue of assembly because the light is on, so the unit is definitely getting power.

Proper assembly is below:

If it isn't all ready, please disassemble the entire unit. This means removing the blade and/or disc, blade, removing work bowl, work bowl lid, and blade.

Start by placing the work bowl onto the motor base. The work bowl handle should be facing at 9 o'clock, which is out to your left. Rotate the handle downward until it locks in at the 6 o'clock position, which will lock over the center of the button panel.

Repeat the process with the work bowl lid. The blade does not need to be present for the motor to engage, if this is an assembly issue.

The Kitchenaid food choppers have a few safety features implimented. If the unit is not assembled properly, this may prevent the unit from turning on. Proper assembly is below:

If it isn't all ready, please disassemble the entire unit. This means removing work bowl, work bowl lid, and blade.

Start by placing the work bowl onto the motor base. The work bowl handle should be facing at 9 o'clock, which is out to your left. Rotate the handle downward until it locks in at the 6 o'clock position, which will lock over the center of the button panel.

Repeat the process with the work bowl lid. The blade does not need to be present for the motor to engage, if this is an assembly issue.