We all know that dishwashers are the biggest helpers in a kitchen that save water, time, and money but have you noticed a change in your dishwasher’s performance? Are your dishes not as immaculate as they once used to be? There are various possible reasons why this is happening but the most common reason is a dirty dishwasher.
How is a dirty dishwasher supposed to clean dishes? You need to take care of your dishwasher. Keeping the dishwasher clean will eliminate most of the problems faced due to it. Keep reading this article to find out why your dishwasher is not cleaning dishes and how you can fix it.
Top 10 Reasons Why Dishwasher Not Cleaning Dishes
There can be a few reasons why your dishwasher is not cleaning dishes immaculately like it is supposed to, most of the reasons arise due to cleanliness issues, a faulty part, or the conditions of the washer. Here are the 10 most common reasons why your dishwasher isn’t working.
1- Clogged spray arms
Spray arms are present at the top of your dishwasher that shoot and shower water at the dishes with high pressure. They have tiny holes in them which can get clogged by time with mineral deposits and food particles. Clogged spray armholes seize their ability to perform efficiently.
2- Dishwasher Dirty filter
The dishwasher filter is a crucial part of the cleaning process and just like all other parts, it needs to be cleaned too. A dirty filter can make the dishes turn out dirty as it is unable to clean them due to being clogged. Earlier, dishwashers used to come with a self-cleaning filter, however, the newer models have manual filters that need to be cleaned manually.
To learn more about how a dishwasher filter should be cleaned, read my guide on how to clean a dishwasher filter
3- Food debris
Dirty dishes containing food particles or food debris upon being placed in the dishwasher can cause the dishwasher its ability to clean as stubborn food particles can seldom get dissolved in the dishwasher which ends up clogging various important parts of the dishwasher.
4- Faulty inlet valve
A possible reason why your dishwasher is not cleaning dishes is a faulty inlet valve. The function of an inlet valve is to let water enter the dishwasher tub, if the inlet valve of your dishwasher s failing, it will create a pounding noise.
5- Incorrect water temperature
The dishwasher requires a specific temperature to perform its function. If the water temperature is too low or cold, it will not allow the dishwasher to clean the dishes effectively. The ideal temperature for a dishwasher to work correctly is 120 to 130 degrees Fahrenheit.
Read SAVE WATER WHILE USING DISHWASHER
6- Wrong dishwasher detergent
A very common reason is using the wrong dishwasher detergent, there are specific detergents for specific types of water and dishwashers. It is also possible that the problem is arising because you are using too little or too much detergent.
To avoid using the wrong detergent, read my list of the 10 top-rated dishwasher detergents to help you find the perfect one
7- Low Water Pressure
If the pressure of water in your house is low or the water pressure is constantly changing, it can alter the way your dishwasher works, hindering its performance and hence the dirty dishes that once used to be sparkling clean.
8- Broken soap dispenser
If your dishwasher has a broken soap dispenser, no amount of sophisticated detergent will assist, since it will simply not reach your dishes. Typically, the dispenser is clogged with soap scum, or the door spring is blocked and has to be replaced.
10- Inadequate water supply
Your dishwasher won’t be able to clean dishes if it is getting inadequate water supply, To test whether your dishwasher is receiving sufficient water, start a wash cycle and then open the door when the machine stops filling with water. Water should make its way to the heating coil. If it does not, check that the float valve is not blocked and that the input valve is not clogged.
10 Easy Ways to Troubleshoot Dishwasher
Regular maintenance and cleaning of the dishwasher can avoid any possible problem. If your dishwasher isn’t cleaning the dishes well, it must be because of an underlying cause that you need to locate and address. Here are some troubleshooting tips to help you cope with a dishwasher that doesn’t clean well.
1- Clogged Spray Arm
If a clogged spray arm is jeopardizing your dishwasher’s ability to clean, take it out of the dishwasher. If it’s a new dishwasher, the spray arms will come off easily. Soak spray arms in hot water for at least thirty minutes, then poke its holes with a thin steel wire or a toothpick to remove the blockage. Scrub it with a soft brush and rinse with hot water. Let it air dry and then install it back.
2- Dirty Filter
If you have a new dishwasher, it most probably contains a manual filter. To clean it, remove the filter from your dishwasher and soak it in hot water having dishwasher soap. Let it sit for 10 to 15 minutes, gently scrub the filter with a soft brush and rinse it under hot water. let it dry completely before putting it back inside the dishwasher.
Here’s a detailed guide on how to wash a dirty filter where I’ve shared different ways to clean a dishwasher filter easily.
3- Food Residue
If you stick dishes inside the dishwasher that contain food particles, the dishwasher will not be able to dissolve the food residue that will end up clogging the washer. Remove or scrape any food particles present on the dishes before putting them in the dishwasher. Pre-rinse your dishes to avoid this problem.
4- Failing Inlet Valve
If you hear a hammering voice coming from your dishwasher, your inlet valve is failing. It would require a professional to fix or repair a failing inlet valve. In worst cases, it would be necessary to replace it with a new one.
5- Low Water Temperature
If your dishwasher has a water heater, set its temperature to 120 degrees Fahrenheit. If your dishwasher doesn’t have a water heater, run the kitchen faucet for about 5-10 seconds before starting a wash cycle in your dishwasher to ensure the water is hot.
6- Detergent Related Issues
Always use a good quality dishwasher detergent that is appropriate for your dishwasher. Don’t overfill the detergent or underfill it. If you have hard water issues, install a water softener. Lastly, use a rinse-aid. Here’s a list of the best dishwasher detergents.
7- Water Volume and Pressure Issues
Water pressure and volume issues can greatly affect a dishwasher’s performance. If you’ve observed lower-than-normal water pressure in your faucets, or if the pressure seems to be changing, contact a plumber to address this issue and to get it fixed.
8- Broken Soap Dispenser
A stuck spring in the dispenser door is a typical problem. To clean the soap dispenser, use a small brush. A solution of hot water and vinegar will aid in the dissolution of grease and dirt. If the spring or the dispenser door are damaged, they must be replaced. Finally, inspect the gasket surrounding the dispenser for cracks and replace it if necessary. A little petroleum jelly rubbed around the gasket on a regular basis may help it last longer.
9- Load Dishes Properly
To avoid unclean dishes, load your dishwasher properly. If you are loading the dishwasher incorrectly, it will not be able to clean properly. If the dishes are packed together, water will not be able to reach them. Here’s a guide on how to load a dishwasher properly, read it to find out.
10- Dirty Interior
Grease, microscopic food particles, mineral deposits from hard water, soap scum, and other contaminants build up on the interior of your dishwasher. When your dishwasher isn’t washing dishes, cleaning the inside is a smart first step. If the accumulation is modest, try a vinegar cycle: Run a complete cycle with 3 cups of white vinegar in the bottom. Use these dishwasher cleaning strategies to get rid of stubborn gunk.
Conclusion
A dishwasher’s performance lies in the level of its cleanliness. If it is properly cleaned and maintained then any problem will not be caused due to the degree of cleanliness, however, certain parts can cause issues. If these tips and tricks don’t help you in fixing a dishwasher not cleaning dishes, contact a professional, engineer, or plumber to look into the issue and come up with an easy fix.
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