3ESerious
Samsung Dishwasher 3E Error Code
The water temperature has exceeded safe levels.
Common causes
- Faulty thermistor
- Heater element stuck on
- Control board malfunction
How to fix it
- Unplug dishwasher and allow it to cool down.
- Check thermistor resistance with multimeter.
- Inspect heater element for continuity (must have resistance).
⚠ When to call a pro: If thermistor and heater test ok, control board likely faulty.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.