A dishwasher’s time-saving convenience should bring peace of mind, but seeing soiled silverware and a puddle of water after a wash cycle can instead leave your mind in pieces. Why is my KitchenAid dishwasher not draining water? Explore possible blockages and remove obstructions if necessary. With this list of common causes and solutions, you can learn how to control the chaos when your KitchenAid dishwasher won’t drain.

How to Troubleshoot a KitchenAid Dishwasher Not Draining Water

Identifying the problem with a few DIY trial-and-error fixes can wind up saving you time, money, and Advil. Before seeking professional repair, take a whack at these KitchenAid dishwasher troubleshooting tips.

Dishwasher Drain Hose Obstruction

When your dishwasher leaves dishes dirty, there could be a blockage in the drain hose. The drain hose connects the dishwasher’s drain pump to the disposal or air gap and your sink drain. So, if the drain hose contains a clog, a little appliance angioplasty might iron out the kinks.

How to Unclog a KitchenAid dishwasher drain hose:

  1. Turn off the power to the dishwasher and shut off the water supply valve.
  2. Use a screwdriver to remove the outer panel, the inner panel, and attached insulation at the base of the dishwasher.
  3. Disconnect the hose from the drain pump.
  4. Remove any visible clogs from either end of the hose with a straightened wire hanger. Depending on where the clog is parked, you may need to disconnect the hose at the disposal or air gap.
  5. If the clog is not accessible, the drain hose needs to be professionally replaced.

Clogged KitchenAid Dishwasher Filter

A kink in the drain pump could be a crucial factor for your KitchenAid dishwasher not draining adequately. Though the filter’s primary role is to prevent drain clogs by screening out aggressive food debris, if the screen grows clogged with too much debris it can become a hurdle for the draining process. Introducing periodical filter cleanings to your routine can prevent clogs and safeguard proper water flow.

kitchenaid dishwasher won't drain

Image from KitchenAid

 

How to Unclog a KitchenAid dishwasher drain filter:

  1. Remove or slide out the dishwasher’s lower rack.
  2. Turn the cylindrical filter counterclockwise then lift the filter as well as the coarse filter at the cylindrical filter’s base.
  3. Clean the filters separately under warm water, scrubbing gently with a soft brush.
  4. Replace the filters, turning the cylinder clockwise to lock.
  5. Reposition the bottom rack.

Dishwasher Drain Pump Malfunction

Your KitchenAid dishwasher drain pump not working can cast a blemish on the dishwashing process. The pump uses an impeller to expel water through the drain hose, so a draining issue sliced from a faulty pump is plausible. A pump’s damage can be confirmed through multimeter testing. In this instance, repair to your KitchenAid dishwasher drain pump demands professional replacement.

Check Air Gap and Garbage Disposal

Outside issues, such as garbage disposal or air gap clogs, can be another factor in your KitchenAid dishwasher not draining fluently. Your disposal or air gap likely share a common drain with the dishwasher. If you notice a backup or leak, it was likely provoked by a drain blockage. Running the disposal prior to starting the dishwasher can weed out lingering food particles, gifting you a debris-free drain. If you have an air gap, regular cleanings can prevent blockages. To clean the air gap, remove the air gap cover and scrub any debris with a brush or paper towel before replacing the cover.

If you’ve attempted these DIY practices and the problem still persists, expert eyes might be required. For any dishwasher repair, or even if your dishwasher won’t start, Oak Valley Appliance is here to help!