Kenmore Washing Machine Error DU

⚡ Quick Answer: The Kenmore washing machine displays the DU error code when it detects that the door lid is not securely locked. This malfunction prevents the washer ... ✅ DIY Fixable

What Does Error DU Mean?

The Kenmore washing machine displays the DU error code when it detects that the door lid is not securely locked. This malfunction prevents the washer from starting or progressing in its wash cycle, often occurring even when the door appears closed. Common causes include a faulty door lock mechanism, obstructions preventing closure, or mechanical faults.

Common Symptoms:

  • Washer displays "dU" error on the control panel at cycle start.
  • Wash cycle will not begin or progresses beyond initial lock stage.
  • Lid/door appears closed but may not be fully engaging.

Possible Causes

  • Door lock not engaging properly (mechanical fault or obstruction) (high)
  • Obstruction or weight preventing lid/door closure (medium)

How to Fix Error DU

DIY Fix Check and reseat the door/lid

  1. Ensure the washer is powered on but not mid-cycle.
  2. Open and firmly close the lid/door, making sure nothing (clothes, objects) is caught in the seal.
  3. Remove any laundry baskets or items placed on or near the lid.
  4. Attempt to start a cycle again.

DIY Fix Power reset the washer

  1. Unplug the washing machine from the electrical outlet.
  2. Wait approximately 1–5 minutes to allow electronic systems to reset.
  3. Plug the washer back in and attempt to start a normal cycle.

Technician Only Inspect/replace the door lock assembly

  1. Disconnect power to the machine and access the control panel or door lock area per service manual.
  2. Test the door lock motor and switch assembly for continuity and proper actuation.
  3. Replace the door lock latch/motor assembly if defective.
  4. Reassemble and test operation.

Parts needed: door lock motor and switch assembly

🛑 When to Call a Pro:
  • If the lid/door appears to close properly but the dU error persists after basic troubleshooting.
  • If the door lock mechanism is visibly damaged or fails continuity tests.
  • If electrical or mechanical expertise is required or if unit is under warranty.

Technical Specifications

wattage N/A
component Door Lock Assembly
resistance 1-5 ohms
part_number W10404050
voltage_rating 120V AC

Common Questions

What does DU error mean on kenmore washing machine?

DU error indicates the door lid is not securely locked, preventing the washer from operating.

Can I fix kenmore washing machine DU error myself?

Yes, check the door for obstructions and reseat it. You can also perform a power reset.

How much does it cost to fix DU error?

Repair costs for the DU error range from $50 to $150 for parts, plus labor depending on the model.

When should I call a technician for DU?

Call a technician if the error persists after basic troubleshooting or if the lock mechanism is damaged.

Data last verified: 2026-02-19

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