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dL

Error dL (Code 18) - Door open during motor operation

Samsung · Washing Machines

What does dL mean?

The washing machine's safety system detected that the door was open while the motor was actively running. This is a safety measure to prevent injury.

Common Causes

  • Loose wire connections to the door lock
  • Faulty door switch
  • Door lock mechanism failure

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the door is fully closed and latched before starting a cycle.

  2. 2

    Check for any obstructions around the door or door latch.

  3. 3

    Turn off the washer, wait a moment, and restart it to reset the door sensor.

Browse all codes in this manual (95)
Verified technical data. Last updated: April 2026

Related Faults

1Diagnostic Code 1 - Water level does not drop11Error 11 (FAiL) - EEPROM fault, program settings reset1C1C — Water Level sensor is not working properly.
Source: Samsung Washing Machines
Open Manual (Page 24)Search more codes in this manual