3e
Moderate
Samsung · Dishwashers
High-temperature water supply error
Quick Answer
Error code 3E on your Samsung Dishwashers means: High-temperature water supply error. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Check that the water supply temperature is below 176F (80C).
2
Verify that the dishwasher is connected to the correct water supply line.
3
Clean the temperature sensor with a soft cloth and mild soap solution.
4
If the issue persists, the temperature sensor may need replacement.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Temperature sensor (thermistor)
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