LG dishwasher HE error code
HE means heater fault. The dishwasher could not heat water to temperature — heater or thermistor fault..
Engineer usually needed · Fault type: Electrical/hardware
Safe checks, in order of likelihood
- Run the hottest program and check whether HE repeats.
- Power-cycle for 10 minutes.
- Check the machine is on its own socket.
Call a professional when…
Heater element or thermistor replaced. If the code returns after these checks, book a qualified engineer.
Parts usually involved
- LG dishwasher heater element / thermistor.