Which part is usually at fault for LG error HE?

The most commonly implicated component is the heating element.

What is the first thing to try for LG error HE?

Turn the unit off, switch the breaker off for ten seconds and back on, then start a new cycle; if the fault returns, service is required.

Error HE Degraded US market

HE on a LG dishwasher usually means: A water-heating fault was detected. On a LG Dishwasher, code HE points to the heating element.

Fix it fast: Power-cycle at the breaker. Full ranked steps below.

Manufacturer source Updated Oct 17, 2026 View source

Try these in order. Stop when the code clears.

1 Power-cycle at the breaker
Moderate
- Turn the unit off, switch the breaker off for ten seconds and back on, then start a new cycle; if the fault returns, service is required.
Source

Excess suds formed from the wrong detergent or an unlevel installation.

The child-lock or control-lock feature is engaged. On a LG Dishwasher, code CL points to the control panel.

Overfill or leak protection was triggered by the flow switch.

The tub filled beyond the safe level and drained automatically.

Insufficient water reached the tub within the fill window. On a LG Dishwasher, code IE points to the water inlet valve.

A drive-motor fault or wiring-harness problem was detected. On a LG Dishwasher, code LE points to the wash motor.

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