Error Code AE
Leakage Error — internal water leak detected by float/safety switch in base
Moderate
Address soon - your appliance may not work properly
What This Means
Door gasket came loose or fell off; Float assembly (safety switch) stuck; Controller (main PCB) damaged; Seal assembly on sump not properly connected; Unit not leveled correctly; Wrong detergent used (non-dishwasher detergent causing sudsing); Door opened during cycle
How to Fix
- 1
Check if water is flooded in the base; if yes, tilt machine and drain water from base
- 2
After draining, inspect drain hose sealing, pump casing assembly, and vario motor for source of leak
- 3
If leak source found, reassemble or replace the leaking part
- 4
Check if safety switch assembly is stuck; if yes, replace safety switch assembly
- 5
Check if door gasket came loose or fell off; if yes, replace door liner assembly
- 6
Verify machine is leveled properly using a digital level; adjust leveling feet if needed
- 7
Confirm customer is using dishwasher-specific detergent (not hand dishwashing liquid)
- 8
Confirm door was not opened during cycle
- 9
Check if there is too much water in tub (overfill); if yes, replace inlet valve or air guide
- 10
If float switch stuck in triggered position with no water in base, replace main PCB assembly
- 11
For AE report: document unit level, mounting bracket condition, detergent type, cycle history, water supply temperature, and whether door was opened
This Error Applies To
LG LDT7808ST Series Dishwashers (2017) (2017–present)
Related Error Codes
EEPROM Error — displayed during test mode step 1 if EEPROM fails self-check
Inlet Error — machine does not reach normal water level within fill timeout
Drain Error — machine does not drain down to normal level within drain timeout
Bubble Error — excessive sudsing detected; unit not leveled or wrong detergent
Excess Error — water fills above normal level; possible overfill due to stuck inlet valve or faulty sensor
Thermal Error — thermistor resistance output abnormal; wash temperature sensor failure
Heater Error — water not heated or tub temperature overheated above 194°F; heater circuit fault
Motor Error — washing motor operating abnormally; motor RPM failure