What to do
- Reset at the breaker
Press Power to switch off. Turn the dishwasher's circuit breaker off, wait 10 seconds and turn it back on, then switch on and start a new cycle.
When to call an engineer
If HE comes back, LG says a service technician needs to inspect it.
A repair visit will usually check the heating element, its temperature sensor and the wiring back to the control board.
Before you book
- Note the model and serial number. They're on a label on the edge of the door or the side of the tub.
- Write down the exact code, and what the appliance was doing when it appeared.
- Check whether it's still under warranty. If it is, the repair may cost you nothing.
Checked against
Last reviewed September 2026. Manufacturers update their pages, and your manual is the final word.