LG dishwasher not drying

Common reasons your LG dishwasher is not drying

The most common reasons your LG dishwasher is not drying are a broken heating element, defective electronic control board or a stripped wire connector.

  • 38%

    38% of the time it's the
    Heating Element

  • 25%

    25% of the time it's the
    Electronic Control Board

  • 21%

    21% of the time it's the
    Wire Connector

  • 16%

    16% of the time it's the
    Something else

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Most common repairs needed to fix a LG dishwasher

Heating Element Replacement

Most dishwashers have a heating element at the bottom of the tub that helps dry dishwasher at the end of the cycle. Dishes won’t dry when a dishwasher has a broken heating element. Sometimes you can see cracks or damage on the heating element but damage isn’t always visible. When the heating element isn’t working and appears to be broken, schedule a Sears Home Services Expert to diagnose and repair your dishwasher.

Electronic Control Board Replacement

A dishwasher that is not drying dishes could have a defective electronic control board. The control board sends current to the heating element and fan (if your dishwasher has a fan) to dry the dishes at the end of the cycle. A failed relay or corrupted logic on the circuit board could prevent the control board from sending electrical current to the heating element and/or fan. Determining whether an electronic control board is defective is difficult. Have a Sears Home Services Repair Expert visit your home and fix the dishwasher when it is not drying dishes.

Wire Connector Replacement

When your dishwasher is not drying, a stripped wire connector between the electronic control board and heating element could be causing the problem. The electronic control board sends current through the wire harness to the heating element during the drying cycle. No electrical current will reach the heating element when a wire connector between those components is stripped. Also, a stripped wire on the user interface control can prevent you from selecting a heating option correctly. When the dishwasher isn’t drying, have Sears Home Services Repair Expert visit your home and fix the problem.

Why does my LG dishwasher not dry the dishes?

Poor drying performance in your LG dishwasher can be caused by basic operation problems such as:

  • Improper dish loading.
  • Not selecting the right cycle and/or cycle settings (such as heated dry).
  • Not using rinse aid or rinse aid dispenser problems.
  • Plastic dishes won’t dry because they don’t retain heat.
  • Using the Auto Open Door feature or opening the door slightly after the cycle ends will help the LG dishwasher dry dishes better in many models.
  • Low water temperature.
  • Heating element failure.
  • Defective electronic control board.
  • Wiring failure.

This helpful video shows how some of these key issues affect drying in your LG dishwasher:

Following the tips in this video may help you restore drying performance in your LG dishwasher.

If not, read on to get additional expert tips to resolve the drying issue.

lg-dishwasher-detergent-dispenser-part-image

Rinse aid dispenser problems

If your LG dishwasher isn’t dispensing rinse aid because you never need to fill that dispenser, you may need to replace the detergent dispenser.

Here’s a video that shows how to replace the detergent dispenser in a dishwasher:

If the rinse aid dispenser is working properly, check the additional issues discussed in this troubleshooting video for a dishwasher not drying:

Check water temperature

For dishes to dry properly in an LG dishwasher, the water temperature must be at least 120 degrees.

Here's how to check it:

  1. Run the sink’s hot water from your kitchen sink faucet for 1 minute.
  2. Fill a glass with the hot water.
  3. Use a cooking thermometer to measure the water temperature in the glass.

If the temperature is around 120 degrees then the water supply going to your dishwasher is okay.

If it's less than 120 degrees, carefully increase the temperature settings on your water heater. Only make small, incremental increases in your water heater setting and don't set the water heater temperature above 120 degrees. This will help you avoid the risk of scalding when using the hot water in the bath or shower.

Checking other issues such as the heating element, electronic control board and wiring in your LG dishwasher is best left to a service technician with the right tools and expertise to diagnose dishwasher component failures. Schedule dishwasher repair service if you’re unable to find the cause of the drying problem on your own.

What to expect when you experience an LG dishwasher not drying issue

How is the not drying problem fixed?

Correcting most not drying problems usually involves replacing the heating element, electronic control board or wire connector. However, there are many potential causes, so a thorough diagnosis is key to fixing the problem. An accurate diagnosis is essential to understanding how much the repair will be.

Sears Home Services recommendations for a dishwasher that is not drying

When the dishwasher is not drying it can be for many reasons. To avoid replacing unneeded parts, we recommend scheduling LG dishwasher repair with a local Sears Home Services professional who can perform diagnostic tests to identify the root cause of the problem. Our technicians are experienced at diagnosing all types of dishwasher failures.

What to look out for with a dishwasher not drying diagnosis

Diagnosing modern appliances without proper knowledge and training can be difficult. Without using proper diagnostic techniques, fixing your dishwasher problem will only be achieved through changing parts on a hunch. Appliances, especially in the last 10 years, have become extremely advanced, and many models have electronic parts that are difficult to test. DIY repairs on the latest appliance models are becoming increasingly difficult.

An LG dishwasher that ends cycles with wet plates typically suffers from a broken heating coil or blocked vent. Manually toweling dishes each day erodes the convenience of your appliance. Instead, a short appointment for dishwasher appliance repair near me restores proper hot-air flow. Once fixed, your dishes emerge ready to shelf immediately.

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James called to give an estimated arrival time. He was professional and personable. He had 2 professional ideas of the problem and found 1 was correct, but he didn't stop there. He did a thorough check of the appliance. 1 small part was needed. He ordered the part to my house. Fortunately, he was able to schedule for the next week, just before Thanksgiving. As before, he called ahead, arrived and quickly fixed the problem. My appliance is working perfectly.


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Frequently Asked Questions

Why are my dishes coming out wet in my LG dishwasher?
A malfunctioning heating element, insufficient rinse aid, or blocked vent can lead to poor drying. Ensure your chosen cycle includes a drying option and that rinse aid is filled.
How do I test the heating element on an LG dishwasher?
Power off, remove the lower panel, and use a multimeter to check for continuity on the element terminals. A reading of ‘open’ indicates a replacement is needed.
Is rinse aid essential for thorough drying?
Yes. Rinse aid reduces water droplet formation, boosting evaporation. Keep the dispenser filled and not blocked for best results.
When is professional help needed for an LG dishwasher that won’t dry?
If the element and rinse aid supply are fine, a vent issue or control board fault could be responsible. A technician can diagnose and replace electronic components.

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Glossary Terms

A dishwasher sump is located at the bottom of the dishwasher, serving as a collection point for water during the wash cycle. It houses the main pump and filter, facilitating the recirculation and drainage of water, essential for the cleaning process.

A dishwasher turbidity sensor is an advanced feature that measures the level of food particles and debris in the water, allowing the dishwasher to adjust the wash cycle length and water usage for optimal cleaning efficiency.

Hard water is water that contains high levels of dissolved minerals, particularly calcium and magnesium. It contrasts with soft water, which has lower concentrations of these minerals.

An astragal is a molding or strip that covers or seals the gap between the edges of a pair of doors or windows. Its primary functions are to provide a weather seal, improve security, and improve the aesthetic appearance of door and window assemblies.

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