Method 3 of 4: Cleaning the Exterior. Try to blow through the hose to make sure it's clear. Regularly cleaning the inside of your dishwasher is an easy way to help prevent odors and the build-up of detergent and minerals. Use a damp cloth to clean and wipe around the filter. Keeping Your Dishwasher Clean. Take this opportunity to clean any dirt build up on the spray arm and the inside of the dishwasher door. Not only is this necessary for cleaning the dishwasher, but it also reduces the chances of slipping and falling while working around the dishwasher. Now it’s time to check the drain hose. The dishwasher shares a drain with the kitchen sink, so if you have a garbage disposal, run it before washing the dishes to ensure that the drain is clear. Once you've found it, loosen the pipe clamp and carefully disconnect the hose. Find out where your dishwasher's drain hose is connected to the sink or the garbage disposal drain pipe. In a small bowl, pour 1/4 cup (32 g) with 4 cups (950 mL) of hot water, then stir them together to form a creamy paste. If your dishwasher is underperforming or not fully draining, there's probably a blockage somewhere. If your dishwasher is clogged, you may need to clean the dishwasher drain. You should be able to tell where the blockage is by the symptoms: slow or no draining indicates an issue in the dishwasher drain or drain hose, while lackluster cleaning points to clogged spray nozzles. Before you start cleaning you dishwasher, it’s a good idea to quickly check the area around the drain. Step 4: Perform a Check On the Drain Hose. Start by removing any food waste that may be present at the bottom of your dishwasher. Advertisement. Safety first! Remove the bottom rack of the dishwasher and locate the filter—a cylindrical tube that twist-locks into place—on the floor of the unit. How to Clean a Dishwasher Filter. Step 2 - Check the Dishwasher's Drain Hose. Whether you use a dishwasher cleaning tablet or clean your dishwasher with vinegar and baking soda, repeat the following steps every 30 days to keep your dishwasher running efficiently and your family’s dishes sparkling clean. (Because vinegar is a great de-gunking dishwasher drain cleaner!) Remove and clean the dishwasher filter. 1. The drain hose is the tube that links the dishwasher with your garbage disposal. #2 – Fill the detergent and the drying-agent dispensers with white vinegar, then run the dishwasher empty on the pots-and-pans cycle — to keep the dishwasher drain lines clean and free-flowing. Mix baking soda with hot water to make a cleaning solution. Inspect The Drain. Check the Drain Hose. How To Clean Your Dishwasher. Remove any foreign material you find to prevent it from blocking the drain. 1. 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