How to Fix Ae Code on Lg Dishwasher

If your LG dishwasher is displaying the AE error code, it indicates a problem with the dishwasher's drainage system. This issue can be frustrating, but it is often fixable with some basic troubleshooting steps. Understanding what causes the AE code and how to address it can help you get your dishwasher back to optimal performance quickly and efficiently.

How to Fix Ae Code on Lg Dishwasher

Understanding the AE Error Code

The AE error code on an LG dishwasher typically signifies a drainage problem. When this code appears, it means that water is not draining properly from the dishwasher tub. This could be caused by a variety of issues, including clogged filters, blocked drain hoses, or malfunctioning drain pumps. Recognizing the root cause is essential for effective troubleshooting.

Common Causes of the AE Code

  • Clogged or blocked drain filter
  • Obstructed or kinked drain hose
  • Faulty or failed drain pump
  • Drain pump impeller debris
  • Issues with the dishwasher's electronic control board

Step-by-Step Guide to Fix the AE Code

1. Turn Off Power and Water Supply

Before starting any repair or inspection, ensure the dishwasher is unplugged from the power outlet to prevent electrical shock. Additionally, turn off the water supply to avoid leaks or flooding during the troubleshooting process.

2. Check and Clean the Drain Filter

The drain filter collects debris that might block water flow. Over time, it can become clogged with food particles, grease, or other debris.

  • Locate the filter, usually at the bottom of the dishwasher tub.
  • Remove the filter carefully, following your model's manual if needed.
  • Clean the filter thoroughly with warm water and a soft brush or cloth.
  • Reinstall the filter securely.

This simple step often resolves minor drainage issues and clears the AE code.

3. Inspect and Clear the Drain Hose

The drain hose carries wastewater from the dishwasher to the drain or garbage disposal. A blocked or kinked hose can prevent proper drainage.

  • Disconnect the drain hose from the sink drain or garbage disposal.
  • Check for kinks, twists, or clogs in the hose.
  • If clogged, flush the hose with warm water or use a flexible brush to clear obstructions.
  • Replace the hose securely, ensuring it is not kinked or bent.

4. Examine the Drain Pump and Impeller

The drain pump is responsible for ejecting water from the dishwasher. If it fails or becomes jammed with debris, drainage will be hindered.

  • Locate the drain pump, usually at the bottom of the dishwasher.
  • Remove the access panel, following your model’s instructions.
  • Inspect the pump and impeller for debris or damage.
  • Clear any debris, and check if the impeller spins freely.
  • If the pump is faulty or damaged, consider replacing it with a compatible part.

5. Test the Drain Pump

If cleaning the pump and impeller does not resolve the issue, test the pump's electrical continuity using a multimeter. A lack of continuity indicates a faulty pump that needs replacement.

6. Check the Electronic Control Board

If all physical components are functioning correctly, the problem might stem from the dishwasher's control board.

  • Inspect for visible signs of damage, such as burnt components or corrosion.
  • Reset the dishwasher by unplugging it for a few minutes, then plugging it back in.
  • If the error persists, professional diagnosis or replacement of the control board may be necessary.

Additional Tips for Troubleshooting

  • Ensure the dishwasher is level; an unlevel unit can cause drainage issues.
  • Run a cleaning cycle with a dishwasher cleaner to clear out grease or debris that might clog the drainage system.
  • Consult your LG dishwasher manual for specific instructions related to your model.
  • If unsure about disassembling parts or testing electrical components, consider contacting a professional appliance technician.

Preventative Measures to Avoid Future Drainage Problems

  • Regularly clean the drain filter and check for debris.
  • Use the correct type and amount of detergent to prevent residue buildup.
  • Inspect the drain hose periodically for kinks or blockages.
  • Run maintenance cycles with dishwasher cleaners to keep the drainage system clear.
  • Ensure dishes are scraped of large food particles before loading.

When to Seek Professional Help

If you have followed all troubleshooting steps and still encounter the AE error, or if you are uncomfortable performing any of these tasks, it is advisable to contact a certified appliance repair technician. Persistent drainage issues may indicate a more complex problem requiring specialized tools and expertise.

Conclusion: Key Takeaways for Fixing the AE Code

Dealing with the AE error code on your LG dishwasher can be straightforward if you understand its causes and follow a systematic approach. Start by turning off power and water, then check and clean the drain filter, inspect the drain hose, and examine the drain pump. If these steps do not resolve the issue, consider professional assistance. Regular maintenance and inspection can also prevent future drainage problems, ensuring your dishwasher functions efficiently for years to come.


Sage Datum

Sage Datum

Sage Datum is a knowledge-focused platform exploring ideas, information, technology, trends, and the world around us. Created with a passion for learning and discovery, we share insights, explanations, and informative content designed to expand understanding, encourage curiosity, and make knowledge more accessible to everyone.

Back to blog

Leave a comment