What to Check First
- An FE/AE(RE) error may occur if the water supply exceeds the standard amount.
- This error may be caused by oversudsing due to the use of dishwashing liquid.
- This error may occur if the unit is not level or if the door is not aligned.
- This error occurs when a leak is detected.
- Pouring water into the Heat Dry blower causes this error.
- Load big plates and pots upside down.
- Use detergents that have been formulated for dishwasher use. Do not use dishwashing liquid.
- If the unit is not level, please request service.
- If the error persists even though the unit is level, please request service.
- Ensure to distinguish between the water softening system cap and the Heat Dry filter cap. Take note of the two different caps and their locations before handling them. The two caps are different in size and shape.
Why This Can Happen
Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.
Safety and Model-Specific Guidance
Frequently Asked Questions
What should I check first for [LG Dishwasher] Guide to Error Codes?
An FE/AE(RE) error may occur if the water supply exceeds the standard amount.
When should I stop troubleshooting and contact LG?
Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.
Does this guidance apply to every LG model?
Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.
Related LG Products
These model pages are linked because the stored category or exact model matches this Help Library topic.