KDTM404ESS3 KitchenAid Dishwasher Spray arm not spinning

[AM Appliance]

Model Number

KDTM404ESS3

Brand

KitchenAid

Age

1-5 years

Hi,
I notice this is a familiar topic on the blog. I have a KitchenAid DW; Model # KDTM404ESS3; Serial # F94360128. Manufactured in 2019. In the beginning, the dishwasher was washing poorly and it appeared the lower spray arm was not moving. Water was being sprayed out of the lower washarm. I also noticed the diverter motor moving as I had marked the plastic cap on the inside of the dishwasher to keep track. Because of that, I replaced the washarm but that did not solve the issue.

I then returned to replace the diverter motor. At first it leaked water through the diverter motor shaft so I reinstalled with more application of the sealant. Then there were no leaks and the wash arm worked and dishes washed well again. 2+ months later the washarm is not moving again and dishes are poorly washed. Currently water is not dripping down as it did for me when I initially installed it. I will continue to monitor that.

Would you recommend another diverter motor install paying special attention to O-ring and sealant? I know some techs replace the whole pump/motor assembly. Is this the best next step?

 

[Jake]

Did you check the pump filter?--->On these models there has been a problem with the pump filter breaking and jamming, clogging up the wash motor, thus you will hear little to no water spray out the spray arms. Id check that next.

Mike took lots of photos and documented them here:

FIXED - KDTM354ESS3 KitchenAid Dishwasher - Motor is buzzing

I'm not sure if anyone is still having issues with this, but it's basically a 100$ fix (CAD)... or at least it was for me... if the motor is buzzing it likely means that it is TRYING to spin but it's jammed. ... I opened up my dishwasher and found the filter inside the main pump had blown...

www.applianceblog.com

Here's that pump filter you can order if needed:
Pump Filter W11084156


If not in-stock at RepairClinic, It's also here: W11084156

Also look at this thread:

FIXED - KDTM404ESS3 KitchenAid Dishwasher Spray Arms Do Not Move

Spouse complained that the dishes in the lower rack were not getting clean. She opened up the dishwasher mid-cycle to find that the lower jets were not working. I looked in and found a "sludge" coming through some of the nozzles. Removed the lower washer arms. These are the kitchenaid...

www.applianceblog.com

Jake