If your dishwasher is underperforming or not fully draining, there's probably a blockage somewhere. You may have to pull the dishwasher out or locate it under the sink. Take this opportunity to clean any dirt build up on the spray arm and the inside of the dishwasher door. Start by removing any food waste that may be present at the bottom of your dishwasher. How to Clean a Dishwasher Filter. 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. Now it’s time to check the drain hose. 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. Remove any foreign material you find to prevent it from blocking the drain. Mix baking soda with hot water to make a cleaning solution. Use a damp cloth to clean and wipe around the filter. Step 2 - Check the Dishwasher's Drain Hose. Note: If the hose is blocked, look for any kinks in the hose and straighten them. Find out where your dishwasher's drain hose is connected to the sink or the garbage disposal drain pipe. 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. Inspect The Drain. The first step in cleaning a dishwasher drain is to empty the dishwasher, remove the cleaning racks and dishwasher filter. 1. Regularly cleaning the inside of your dishwasher is an easy way to help prevent odors and the build-up of detergent and minerals. Remove the bottom rack for easier access, then feel the area around the drain. How To Clean Your Dishwasher. “How To Clean Dishwasher Drain” – And restore normal functions: Step 1: Clean Dishwasher Drain Filter . Safety first! Once you've found it, loosen the pipe clamp and carefully disconnect the hose. Method 3 of 4: Cleaning the Exterior. 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. Before you start cleaning you dishwasher, it’s a good idea to quickly check the area around the drain. 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. Loosen the dishwasher drain hose clamp and disconnect the drain hose (usually it's the one with ridges) from the pump. Try to blow through the hose to make sure it's clear. Keeping Your Dishwasher Clean. (Because vinegar is a great de-gunking dishwasher drain cleaner!) Not only is this necessary for cleaning the dishwasher, but it also reduces the chances of slipping and falling while working around the dishwasher. Check the Drain Hose. 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