LG dishwasher HE code: heater error

The dishwasher could not heat the water, or the water got too hot. Reset the power once, and call for service if HE comes back.

Likely causes

Listed from most to least common.

1. Failed heating element
2. Faulty temperature sensor
3. Loose wiring to the heater
4. Control board fault

How to fix the HE code

Unplug the dishwasher or switch it off at the breaker before removing any panel or filter.

1. 1

   Step 1: Turn the dishwasher off

   Press the Power button to turn the dishwasher off.

2. 2

   Step 2: Reset the power

   Switch off the dishwasher's breaker for 10 seconds, then switch it back on.

3. 3

   Step 3: Run another cycle

   Start a normal cycle and watch to see if HE returns.

Parts that may need replacing

Check your model number on the label inside the door or on the back before ordering.

• LG dishwasher heating elementCheck prices
• LG dishwasher thermistorCheck prices

When to call a technician

If HE comes back after a reset, the heater, its wiring or the sensor needs testing. This is live electrical work, so call a technician.

A typical repair for this code costs $150–$350 in the US, including parts and labor. Prices vary by area and model.

Models this applies to

• LDF, LDT and LDP series
• QuadWash and TrueSteam models

Codes can differ slightly between models. Your owner's manual is the final word and is available from LG support.

Common questions