Dishwasher Won't Drain Completely: Troubleshooting This Common Problem


Is your dishwasher failing to drain completely? If so, your first response may be to pick up the phone and contact an appliance repairman. However, before you shell out the big bucks on professional repairs, you should know that this common problem can often be repaired on a do-it-yourself basis without the need for any specialty tools or advanced skills. Below you will learn more about how you can troubleshoot this problem yourself and ultimately get your dishwasher back up and running as quickly as possible.

Step 1: Turn Off Power And Remove As Much Water As Possible

Begin by turning off the power to your dishwasher by either unplugging the unit or turning the power off at the fuse box. Next, remove as much of the standing water from the bottom of your dishwasher as possible. This can be done by using a small cup or bowl to scoop the water out and dispose of it in a nearby sink. If you find that you are struggling to get the last few inches of water from the bottom of your dishwasher, a turkey baster can also be quite effective at removing water from this rather small space.

Step 2: Remove Drain Screen To Check For Debris

In the bottom of you dishwasher you should see a plastic screen. This screen is usually located beneath the bottom propeller arm and is referred to as your drain screen. This part will typically be secured using a few rather long screws in order to prevent it from coming lose during a countless number of washes. Remove these screws and put them somewhere safe so that they will not be lost during the repair process.

Once the drain screen is out of the way, clean all of the food and other debris off the screen and use a turkey baster to remove any water and grime that is located beneath the screen in the sump. Using a small mirror, look inside of the sump to try and locate any large debris that may be preventing the unit from draining properly. You can also use a wire hanger to reach into this area to dry and dislodge any clogs that may be present. If debris is present, remove this debris and replace the drain screen. After restoring power to your dishwasher, allow the unit to complete a full wash cycle and then check to see if the problem has been resolved.

Step 3: Check Drainage Hose

If your dishwasher is still failing to drain properly, the problem may be a clog inside your drainage hose. In order to access this hose, you will need to remove the access panel that is located beneath your dishwasher door. Once this panel is removed, visually inspect the drainage hose to ensure there are no kinks in the line. Next, loosen the hose connection and remove the hose. You will need to repeat this step for the other end of the hose which is housed beneath your sink.

Once the drainage hose has been completely removed, check the hose for any blockages. If a blockage exists, you can use a wire hanger to reach deep into the hose in order to dislodge the debris. After removing the clog, simply reinstall the hose and restore power to your dishwasher.

If your dishwasher is still not draining properly after completing this step, call the Appliance Doctor


21 March 2015

Learning More About Circuit Boards In Appliances

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