Error Code HE
The heating element is not warming the water properly
Moderate
Address soon - your appliance may not work properly
Also displayed as: HE
What This Means
Heater is broken or burned out; Thermistor doesn't work normally; Main PBA has a problem
What actually causes this:
The heating element burned out, or the temperature sensor stopped working correctly
First Thing to Check
Check if your dishes feel cold after a cycle finishes — if so, the heater has likely failed
Parts Involved
How to Fix
- 1
1. Check and reconnect the heater connectors
- 2
2. Check the thermistor — verify it reads temperature changes correctly
- 3
3. Measure the temperature sensor voltage between both ends — normal: 0.2V to 4.5V
- 4
4. Measure the resistance between both ends of the thermistor (disconnect before measuring) — see temperature/resistance reference table
- 5
5. If heater and thermistor test normal, replace Main PBA
Parts Commonly Needed for This Error
OEM part numbers confirmed by retailers
This Error Applies To
Samsung DW80N3030U Series Dishwashers (2018) (2018–present)
Related Error Codes
Too much water is building up inside the dishwasher
The main control board and the control panel are not talking to each other
The water temperature sensor wire came loose or the sensor broke
A control panel button appears to be stuck
The dishwasher is not getting any water
Water is leaking inside the base of the dishwasher