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Samsung · Dishwashers
Heater error - water heater failure
Quick Answer
Error code HE on your Samsung Dishwashers means: Heater error - water heater failure. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Heating element failure
  2. Heater relay on main board stuck
  3. Faulty thermistor (temperature sensor)
  4. Wiring issue to heating element
How to Fix It
1
Unplug the dishwasher and check the wiring connections on the heater.
2
Use a multimeter to test the heating element for continuity.
3
If the heater is damaged, replace it.
4
If the heater tests fine, check the main power board for a stuck heater relay.
5
If the heater and wiring are in working order, replace the main power board assembly.
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
Heating element
Main power board assembly (PBA)
Thermistor
Related Error Codes
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