Appliance Code Check

Samsung · Dishwasher

3E

Professional service recommended

error code

Samsung 3E means the dishwasher water supply is too hot.

Market, product family, and model applicability

US · en-US · Samsung dishwashers with digital displays covered by the cited official US support page

product family applicable: The official source applies at the product-family level. Exact controls can still vary by model.

Check the official model/manual lookup (opens in a new tab)

What you can do now

Verify that the hot-water supply is not set above 176°F.

  1. Verify that the hot-water supply is not set above 176°F.

Stop and get service when

Request Samsung service if the supply is not above 176°F and 3E remains.

  • Request Samsung service if 3E remains with the supply within that limit.

Do not do

Do not perform internal temperature or heater testing from this guide.

Limit the check to the supply temperature setting; do not test internal heater components.

If the message returns

If the supply setting is within the stated limit and 3E remains, request Samsung service.

Source and scope

Official manufacturer source
Market and locale
US · en-US
Product family
dishwashers with digital displays
Official source last checked
July 22, 2026
Review status
Automated evidence review completed · Owner-delegated approval

Samsung

Samsung dishwasher is displaying an error code · Official error-code index

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