LG  Dishwasher  Error Codes

These error code explanations can help you diagnose a problem with your LG dishwasher. For repair how-to help, visit the PartsDirect repair help section, which includes repair help for washing machines, other major appliances, lawn and garden equipment, garage door openers, vacuum cleaners and more. You can also search for owner’s manuals and find dishwasher replacement parts.

Check out our dishwasher error code charts for information on a different brand of dishwasher.

Error Code Condition Check/Repair Shop Parts
IE Water inlet error The dishwasher didn’t fill to the normal water level within 10 minutes. Check that the water supply cut-off valve for the dishwasher is fully open. Check the water inlet supply hose for a kink. Unplug the dishwasher and shut off the water supply, and then check the filter screen on the inlet water valve for a clog—replace the inlet water valve if the filter screen is clogged. Check the water level sensing system and replace damaged components.
See the repair guide to fix it yourself
Inlet water valve, Water level sensor
OE Drain error The dishwasher didn’t drain after 5 minutes of drain pump operation. Remove any clogs from the sink drain and any kinks or clogs from the drain. Unplug the dishwasher and check the wiring connections on the drain pump. Check the drain pump for a clog or damage, and replace the drain pump if damaged.
See the repair guide to fix it yourself
Drain pump
EI Water leakage detected The wash pump motor sped up because water is leaking from the tub. Make sure the drain hose is properly installed at the correct height to prevent water from siphoning out of the dishwasher tub during the cycle. Check the tub and pump for leaks.
Wash pump
FE Excessive water usage Too much water is entering the tub and the drain pump runs constantly. If inlet water valve is stuck in the open position, replace it. If the problem persists after replacing valve, replace the electronic control board.
See the repair guide to fix it yourself
Inlet water valve, Electronic control board
tE Thermistor (temperature sensor) is defective Unplug the dishwasher and check the wiring connections on the thermistor and the electronic control board. If the wiring connections are okay, replace the thermistor. If the problem persists, replace the electronic control board.
See the repair guide to fix it yourself
Thermistor, Electronic control board
LE Wash pump motor error Unplug the dishwasher and check the wiring connections on the wash pump and the electronic control board. Check the wash pump impeller for an obstruction. If the wash pump is damaged, replace it.
See the repair guide to fix it yourself
Wash pump, Electronic control board
HE Heater error Unplug the dishwasher and check the wiring connections on the heater. Replace the heater if it’s damaged. If the heater is okay, the electronic control board may be defective.
See the repair guide to fix it yourself
Heater, Electronic control board