All LG Dishwasher Error Codes — Complete Troubleshooting Guide (2026)
This comprehensive guide covers every known LG Dishwasher error code — 10 codes total. Each error includes what it means, how to fix it yourself, and when you should call a professional technician.
Detailed Error Code Guides
Error AE: Error code AE on your LG Dishwasher indicates that a leak has been detected in the base pan. This can cause water to leak onto the floor, and the dishwasher will not function properly until the issue is resolved. Check for signs of water damage and address the problem promptly.
Fix LG Dishwasher error code AE. Step-by-step guide to diagnose and resolve the leak detected in base pan on LG dishwashers.
- Step 1: Reset the Dishwasher
- Step 2: Check the Base Pan Gasket
- Step 3: Check the Float Switch
- ...see all 5 steps →
Tools needed: Multimeter, Phillips, Torx T20 screwdriver, Water leak detection kit (optional)
Read full troubleshooting guide →Error E1: Error code E1 on your LG Dishwasher indicates a leak detected or water in the base. This error means that the dishwasher has detected water in the base or is experiencing a leak, which can cause damage to the surrounding areas and potentially lead to further issues. It's essential to address this issue promptly to prevent any potential damage.
Fix LG Dishwasher error code E1. Step-by-step guide to diagnose and resolve the leak detected / water in base on LG dishwashers.
- Reset the Dishwasher
- Check the Float Switch
- Inspect the Water Level Sensor
- ...see all 5 steps →
Tools needed: Multimeter, Phillips, Torx T20 screwdriver
Read full troubleshooting guide →Error FE: The LG Dishwasher error code FE indicates that the float switch is overfilled, preventing the dishwasher from properly draining water. This error often causes the dishwasher to stop mid-cycle or display an error message. If not resolved, it can lead to water damage and costly repairs.
Fix LG Dishwasher error code FE. Step-by-step guide to diagnose and resolve the float switch overfill error on LG dishwashers.
- Reset the Dishwasher
- Check the Float Switch
- Check the Water Level Sensor
- ...see all 5 steps →
Tools needed: Multimeter, Phillips, T20 Torx screwdriver
Read full troubleshooting guide →Error HE: The LG Dishwasher error code HE indicates a heater circuit error. This means that the dishwasher's heating element is not functioning properly, causing the water temperature to be too low. If left unchecked, this can lead to poor cleaning results and potentially damage the dishwasher's internal components.
Fix LG Dishwasher error code HE. Step-by-step guide to diagnose and resolve the heater circuit error on LG dishwashers.
- Reset the Dishwasher (Power Cycle)
- Check the Heating Element
- Inspect the Thermostat
- ...see all 5 steps →
Tools needed: Multimeter (digital), Phillips, Torx T20 screwdriver, Needle-nose pliers
Read full troubleshooting guide →Error IE: Error code IE on your LG Dishwasher indicates a water inlet error, which means the dishwasher is not filling with water. You might see this error code displayed on the control panel, and the dishwasher may not function properly. This error can be caused by a faulty water inlet valve, a clogged water supply line, or a problem with the water level sensor.
Fix LG Dishwasher error code IE. Step-by-step guide to diagnose and resolve the water inlet error on LG dishwashers.
- Step 1: Reset the Dishwasher
- Step 2: Check the Water Supply Lines
- Step 3: Check the Water Level Sensor
- ...see all 5 steps →
Tools needed: Phillips #2 screwdriver, T20 Torx screwdriver, Multimeter (set to DC voltage mode)
Read full troubleshooting guide →Error LE: The LG Dishwasher error code LE indicates a motor error. This error means that the wash motor has malfunctioned, preventing the dishwasher from functioning properly. The user may experience symptoms such as a failure to start, strange noises, or a complete shutdown of the dishwasher.
Fix LG Dishwasher error code LE with our step-by-step guide. Learn how to diagnose and resolve the motor error on LG dishwashers.
- Step 1: Reset the Dishwasher
- Step 2: Check the Wash Motor Connections
- Step 3: Inspect the Wash Motor for Damage
- ...see all 5 steps →
Tools needed: Multimeter, Phillips, Torx T20 screwdriver, Wire nut pliers
Read full troubleshooting guide →Error nE: The LG Dishwasher error code nE indicates a wash motor error, which prevents the dishwasher from properly washing dishes. This error is usually caused by a faulty or malfunctioning wash motor, which controls the water flow during the wash cycle.
Fix LG Dishwasher error code nE. Step-by-step guide to diagnose and resolve the wash motor error on LG dishwashers.
- Step 1: Reset the Dishwasher
- Step 2: Check the Vario Motor for Signs of Failure
- Step 3: Inspect the Vario Motor for Physical Damage
- ...see all 5 steps →
Tools needed: Multimeter (digital), Phillips, T20 Torx screwdriver, Socket wrench
Read full troubleshooting guide →Error OE: LG Dishwasher error code OE indicates a drain error. The dishwasher is unable to drain water properly, causing it to overflow and leak. This can be due to clogged filters, faulty drain pumps, or issues with the drain hose.
Fix LG Dishwasher error code OE. Step-by-step guide to diagnose and resolve the drain error on LG dishwashers.
- Reset the Dishwasher (Power Cycle)
- Check the Drain Hose and Filters
- Check the Drain Pump
- ...see all 6 steps →
Tools needed: Multimeter (for checking electrical resistance), Phillips #2 screwdriver (for removing screws), T20 Torx screwdriver (for removing screws), Drain snake or plumber's auger (for clearing clogged drain hoses), Water test kit (for checking water flow)
Read full troubleshooting guide →Error SYMPTOM‑NOT‑DRAINING: The SYMPTOM‑NOT‑DRAINING code tells you that the dishwasher’s drain cycle has failed. Water stays at the bottom of the tub after a wash, leaving dishes wet and risking leaks onto the floor or damage to internal electronics.
Fix LG Dishwasher error SYMPTOM‑NOT‑DRAINING. Step-by-step guide to diagnose and resolve the dishwasher not draining on LG dishwashers.
- Power reset – the 60‑second check
- Inspect the drain hose for kinks or blockages
- Clean the interior filter and trap
- ...see all 7 steps →
Tools needed: Phillips #2 screwdriver, T20 Torx screwdriver, Digital multimeter (≥200 Ω range), Bowl or bucket (2 L capacity), Needle‑nose pliers
Read full troubleshooting guide →Error tE: The LG Dishwasher error code tE indicates a thermistor error. This error occurs when the temperature sensor in your LG dishwasher fails to provide accurate readings. As a result, your dishwasher may not heat water properly or may display the error code on the control panel.
Fix LG Dishwasher error code tE with our step-by-step guide. Learn how to diagnose and resolve the thermistor error on LG dishwashers.
- Step 1: Reset the Dishwasher
- Step 2: Check the Thermistor
- Step 3: Check the Wiring
- ...see all 5 steps →
Tools needed: Phillips, Torx T20 screwdriver, Multimeter
Read full troubleshooting guide →Common LG Dishwasher Problems
Beyond specific error codes, LG Dishwasher owners frequently encounter these issues:
- Error codes that keep coming back — Usually indicates the root cause wasn't fully addressed. Follow our complete repair guides above.
- Multiple error codes at once — Often points to a control board issue or power supply problem. Check our individual guides for related codes.
- Error code not listed here — Contact LG support directly or check your owner's manual. We update this guide as new codes are discovered.
LG Dishwasher Maintenance Tips
Prevent error codes before they appear with regular maintenance:
- Clean filters and drains monthly to prevent blockage errors
- Check water supply connections quarterly for leaks or kinks
- Run cleaning cycles as recommended in your owner's manual
- Keep the appliance level — uneven surfaces cause sensor errors
- Don't overload — excess weight triggers motor and balance errors
When to Call a Professional
While many LG Dishwasher error codes can be resolved with basic troubleshooting, call a certified technician if:
- The error persists after following all troubleshooting steps
- You see signs of electrical damage, burning smells, or water leaks
- The repair requires specialized tools or involves gas/electrical connections
- Your appliance is still under warranty — DIY repairs may void coverage