What to check first
Can I keep using it?
Do not keep using the appliance while this warning is active.
Do not keep running the appliance when water is visible, a leak warning is active, or water could reach wiring or controls.
- Safe next step
- Stop the cycle if safe, turn off water when appropriate, protect the floor, and avoid repeated resets until the leak source is understood.
- Stop when
- Water is near wiring, cabinetry is getting wet, the leak returns, or the source is not safely visible.
Do not keep using the appliance if the code points to voltage, wiring, control power, burning smell, smoke, or a possible miswired supply.
- Safe next step
- Use only safe owner-level power checks, then involve a qualified technician or electrician when the source points to wiring or supply voltage.
- Stop when
- Breakers trip, lights dim, the appliance smells hot, wiring may be miswired, or the warning returns after a safe reset.
Safety boundaries
Safe first
- Match the exact brand, appliance type, and displayed code first.
- Use the model manual as the final authority for access steps.
- Stop and address visible water before retrying the appliance.
- Disconnect power before any service-access step.
Do not do this
- Do not keep running the appliance while this code is active.
- Do not repeatedly reset, tip, or move the appliance to clear a leak code.
- Do not bypass locks, float switches, leak sensors, or other safety systems.
Common causes include
- Leak inside the dishwasher
- Float switch activated
- Possible hose, seal, or installation leak
Basic checks
- Stop using the dishwasher.
- Turn off water if safe.
- Check for visible water without tipping or disassembling the appliance.
- Check that the appliance sits level without rocking; if it tilts, leveling can affect float or leak sensing.
- Look around and under the appliance for visible water; if any water appears, stop use before another cycle.
- Check that the appliance sits level without rocking; if it tilts, leveling can affect leak detection.
Reset or retry steps
- Do not resume use until the leak cause is found and corrected.
When to call a technician
- Call LG service for AE or E1 leak-related events.
- Call immediately if water is near electrical components.
Before approving a paid visit, check warranty status and reviewquestions to ask before repair.
FAQ
What does LG Dishwasher code AE usually mean?
Usually indicates that a leak has activated the dishwasher float switch. Model context matters: LG treats AE and E1 as related leak/float-switch displays.
Can I keep using the dishwasher with code AE?
Do not keep using the appliance until the visible issue has been checked and the relevant safety warnings have been addressed. Water and electricity risk: stop use and disconnect power if safe.
When should I call a technician for LG AE?
Call LG service for AE or E1 leak-related events. A qualified technician may check Float switch, Internal hose, and Door seal against the model's service information before treating any part as failed.