What to do when the dishwasher shows HE, HE1, HE2, or HE3 error?

Last Update date : 2026-06-01

Learn what HE, HE1, HE2, and HE3 dishwasher errors mean and how to troubleshoot heating-related issues safely.

HE, HE1, HE2, and HE3 error codes on a Samsung dishwasher indicate a heater-related issue. These errors usually appear when the dishwasher detects abnormal water temperature or heating performance during operation.

1. What HE, HE1, HE2, and HE3 dishwasher errors mean

- Water is not heating properly

The dishwasher may detect that the water temperature is not increasing as expected during the wash cycle.

- Water temperature is too high

The dishwasher may stop operating if the internal water temperature exceeds the normal range.

- Possible thermostat issue

A damaged thermostat or heating component may cause the dishwasher to display a heater-related error code.

2. Troubleshoot HE, HE1, HE2, and HE3 dishwasher errors

  1. Turn off the dishwasher.
  2. Allow the dishwasher to cool down for several hours.
  3. Avoid using the dishwasher for at least half a day.
  4. Turn the dishwasher back on and check whether the error code disappears.

3. When to request service

  1. Request service if the dishwasher continues showing the error code.
  2. Request service if the dishwasher does not heat the water properly.
  3. Request service if the dishwasher stops during the wash cycle repeatedly.

A damaged thermostat or internal heating component may require professional inspection and repair.

4. Summary

HE, HE1, HE2, and HE3 errors on a Samsung dishwasher are related to abnormal water heating conditions. Allowing the dishwasher to cool down and restarting it may resolve temporary issues, but repeated errors may require service inspection.

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