The tE3 error on some LG models indicates a heater-related temperature sensing fault.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Incorrect thermistor resistance, Shorted thermistor, Faulty main PCB temperature circuit, Heater stuck on

Safety first: Unplug the washer and ensure no standing water is present near electrical components.

Check thermistor resistance: Using a multimeter (if qualified), measure the thermistor's resistance at room temperature and compare it to LG specifications.
Inspect wiring: Look for pinched or shorted wires between the thermistor and the PCB.
Replace thermistor: If the readings are out of range, install a new LG thermistor.
PCB diagnosis: If a new sensor does not resolve the tE3 error, the main PCB may require replacement by a professional.

Professional Required 5/5

LG NTC Thermistor

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