Samsung Dishwashers2016–present

Error Code HE

The heating element isn't warming the water to the right temperature

Moderate

Address soon - your appliance may not work properly

Also displayed as: HE

What This Means

Heater is broken; Thermistor doesn't work normally; Main PBA has some problems

What actually causes this:

The heating element burned out or the temperature sensor is giving bad readings, so the water never gets hot enough

First Thing to Check

Check if your dishes feel cold after a cycle — if so, the heater has likely failed

Parts Involved

HeaterThermistorMain PBA

How to Fix

  1. 1

    1. Check and reconnect the heater connectors

  2. 2

    2. Measure heater resistance between both ends — compare to specifications

  3. 3

    3. Check thermistor operation — see Temperature Sensor diagnostics

  4. 4

    4. Check heater relay on Main PBA

  5. 5

    5. If heater and thermistor test normal, replace Main PBA

This Error Applies To

Samsung DW80M2020U Series Dishwashers (2016) (2016–present)

Service manual exact match: DW80M2020US/AAService manual exact match: DW80R2031US/AA

Need more help with your Samsung dishwashers?