Troubleshooting Guide: Why Your Dishwasher Isn't Cleaning Properly and When to Call a Pro for Repair

Posted on: 9 October 2023

Dishwashers, while a common convenience in many households, can often present challenges when they fail to clean properly. This article aims to provide guidance on identifying common issues that lead to inadequate cleaning by dishwashers, offering do-it-yourself solutions, and identifying when it's time to call in professional help. Read on to find out how to troubleshoot the problem and ensure your dishwasher is functioning optimally.

Inadequate Water Flow

Poor water flow can be one of the major causes of poor cleaning performance. Check the water inlet valve and ensure it leads to your dishwasher and is correctly connected. If you notice a blockage in the water filtering system, then it's time to clean it or replace it. Sometimes, water accumulates in the dishwasher filter during a wash, leading to residual dirt and film on the dishes.

Dirty Spray Arm

Dirty spray armholes can lead to inadequate water distribution when cleaning dishes. If your dishwasher has a spray arm with holes, check the holes for clogs and clean them with a toothpick. Once clean, check the arm to ensure it spins freely.

Soap Dispenser Issues

If you are using the incorrect detergent or not measuring correctly, it can lead to poor cleaning performance. To avoid this error, follow the manufacturer's instructions and use a detergent specifically intended for dishwashers. Also, if the dispenser is clogged or not functioning well, it won't release enough soap during the wash cycle, leading to poor cleaning.

Clogged Drainage System

A blocked drainage system is a major factor contributing to inadequate dishwasher performance. Over time, food particles, soap scum, and other debris can build up in the dishwasher's drainage system, resulting in obstructions. Check the drainage system regularly and clean it periodically to prevent clogs.

When to Get Professional Repair:

If you've tried all the above steps and your dishwasher still isn't cleaning your dishes properly, then it's time to call a professional for repair. Other possible causes could include problems with electronic components, motor, or mechanical issues. A professional dishwasher repair service will be able to diagnose the issue, provide a solution, and get your dishwasher working correctly again.

Dishwashers are great appliances when working correctly, but when they're not, it can be frustrating. A dishwasher not cleaning dishes properly can cause a lot of stress, but there is no need to panic. With proper maintenance, including regular cleaning and utilizing the aforementioned tips, you can avoid the majority of dishwasher performance issues. However, if your dishwasher continues to malfunction, don't hesitate to seek professional help. Remember, the longer a problem goes untreated, the worse it can get, so call an appliance repair technician as soon as possible.

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