Skip to main content
Appliance Fix Guide

Samsung Dishwasher error code

Samsung Dishwasher Error 3

Unplug dishwasher from electrical power.

Unplug dishwasher from electrical power.

UnknownStart with 5-15 minutes of safe checks
✅ WORTH FIXINGParts under $100
Samsung dishwasher repair guide for error 3
Error code3Dishwasher

Try these first

Start here before buying a part or taking the appliance apart.

  1. 1
    Unplug dishwasher from electrical power

    Unplug dishwasher from electrical power.

  2. 2
    Ensure door closes fully with firm click

    Ensure door closes fully with firm click. Check door strike plate alignment on frame.

  3. 3
    Remove inner door panel or control console to

    Remove inner door panel or control console to access door switch assembly near latch.

A quick explanation

What does 3 mean?

Unplug dishwasher from electrical power.

The answer you came for

How to fix Samsung dishwasher error 3

Start with the safest checks and work from simple to technical.

  1. 1

    Unplug dishwasher from electrical power

    Unplug dishwasher from electrical power.

  2. 2

    Ensure door closes fully with firm click

    Ensure door closes fully with firm click. Check door strike plate alignment on frame.

  3. 3

    Remove inner door panel or control console to

    Remove inner door panel or control console to access door switch assembly near latch.

  4. 4

    Test door switch continuity with multimeter

    Test door switch continuity with multimeter: switch must CLOSE when door is pressed shut.

  5. 5

    If switch fails continuity test

    If switch fails continuity test: disconnect wiring harness.

  6. 6

    Remove mounting screws securing switch assembly

    Remove mounting screws securing switch assembly. Extract old switch.

  7. 7

    Install new door switch using OEM part DD64-00001A

    Install new door switch using OEM part DD64-00001A. Verify actuator arm aligns with door latch.

  8. 8

    Reconnect wiring harness securely

    Reconnect wiring harness securely. Reassemble door panels.

  9. 9

    Restore power

    Restore power. Test by opening/closing door while observing control response.

  10. 10

    Start cycle to confirm dishwasher operates only when

    Start cycle to confirm dishwasher operates only when door is fully closed and latched.

Read the additional checks from the current guide

How to Fix Dishwasher Error Unplug dishwasher from electrical power.Ensure door closes fully with firm click. Check door strike plate alignment on frame.Remove inner door panel or control console to access door switch assembly near latch.Test door switch continuity with multimeter: switch must CLOSE when door is pressed shut.If switch fails continuity test: disconnect wiring harness.Remove mounting screws securing switch assembly. Extract old switch.Install new door switch using OEM part DD64-00001A. Verify actuator arm aligns with door latch.Reconnect wiring harness securely. Reassemble door panels.Restore power. Test by opening/closing door while observing control response.Start cycle to confirm dishwasher operates only when door is fully closed and latched.

If the code comes back

Do not keep replacing parts based only on the code. Repeat the safe checks above. If the fault remains, stop and arrange qualified service rather than ordering from the code alone.

Recommended part

Recommended part for this error code

Part listed in the current guide

OEM candidate: DD64-00001A

Price noted in the current guide: $26

Why this part is shown: It is associated with Samsung Dishwasher error 3 in the current guide. The error code alone does not prove this part has failed.

Compatibility varies by model. Confirm that the Amazon listing includes your complete dishwasher model number before ordering.

Amazon part link View recommended part on Amazon

You can open the recommendation now. Check model compatibility on the Amazon page before purchasing.

Affiliate disclosure: qualifying purchases may earn this site a commission at no additional cost to you.

Replacement options

Ready to replace your dishwasher?

If repairing this dishwasher no longer feels worthwhile, compare three replacement paths below.

Why shop your replacement on Amazon?

  • Fast, free delivery

    Prime members can get fast, free delivery on eligible items.

  • Convenient delivery options

    Select large appliances may offer scheduled or Room of Choice delivery.

  • Haul-away options

    Haul-away may be available for select appliances and delivery areas.

  • Installation help

    Installation or assembly may be available on select items.

Delivery and service options, fees, and availability vary by item, seller, and delivery ZIP code. Confirm available services at Amazon checkout.

Affiliate disclosure: qualifying purchases may earn this site a commission at no additional cost to you.

Make the money decision

Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.