Appliance Code Check

Samsung · Dishwasher

3E

Safe checks availableService if the code returns

error code

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

Display form
3E
Lookup normalization
3E
Alternate forms
None retained in the official record

Check the display exactly as shown. The decoder ignores case and spaces, but it never substitutes O/0, I/1, or S/5.

Official meaning, scoped to this source

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

Manufacturer
Samsung
Document
Samsung dishwasher is displaying an error code · Official error-code index
Product family
dishwashers with digital displays
Market and locale
US · en-US

This is an official-source interpretation for the stated scope, not a confirmed diagnosis. Meaning can change across brands, models, product families, and markets.

Market, product family, and model applicability

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

Exact model applicability has not been verified.

This release retains family or source-index scope only. Do not infer that an arbitrary model uses this code; confirm it in the exact manufacturer manual.

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

Safe external checks

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.

Safe checks and when to request service

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.

Separate hazard signs such as smoke, flooding, sparks, or a burning smell require the manufacturer's safety instructions.

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.

Check warranty before authorizing service

Warranty coverage depends on the country, model, purchase date, and manufacturer terms. Have the model and serial number available, open the manufacturer's official support or warranty page, and ask whether the service route is authorized before paying for work.

This public record does not make a coverage determination. Use the official model lookup and warranty information linked below.

Open official model lookup (opens in a new tab)↗View source and warranty links

If the message returns

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

Source and scope

Official source verified at release
Market and locale
US · en-US
Product family
dishwashers with digital displays
Content and safety verified on
July 26, 2026
Source updated by manufacturer
Not supplied in the official record

Samsung

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

Open official source (opens in a new tab)

Verification and review status

  • Content meaning and safety verifiedJuly 26, 2026
  • Source reachability statusOfficial source verified at release
  • Automated evidence review completedPassed · July 26, 2026
  • Automated safety rules checkPassed for this published safety boundary
  • Human technical reviewPending — no human completion is claimed
  • Publication gateAutomated publication checks passed · July 26, 2026
  • Official-source conflictNo unresolved conflict admitted to this public release

Automated checks and release approval are not a substitute for a qualified service professional or the exact manufacturer manual.

Evidence used for this guidance

  • 3E - High temperature water supply error section

    Source-backed summary

    3E: The water is too hot. Verify the hot water supply is not set above 176°F. If it is not and the error remains, request service.

Does the model or source look wrong?

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