Heater error: Samsung says the temperature inside the dishwasher is being detected incorrectly.
Homeowner part this code names: dishwasher detergent.
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Likely causes
- The dishwasher is reading its inside temperature incorrectly, the cause Samsung gives
How to fix HE: safe DIY steps
- Empty the dishwasher
- Add detergent, then run a Normal cycle
- Not the same as HC: Samsung's HC means the temperature inside is too hot, and its steps start with a 30-second breaker reset
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When to call a pro
If HE still occurs, Samsung says to switch off power to the dishwasher at the circuit breaker and request service.
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Parts & tools for this fix
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Dishwasher detergent: guide
In this code: Add detergent, then run a Normal cycle
See the guide for what to look for when buying one.