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Error code reference

LG Washer Error Code dF

Washer failed to lock the door.

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What the dF error code actually means

Your LG washer detected that the door did not lock properly when you started a cycle, so it stopped to prevent water from spilling or the drum from spinning with an open door. This could be something simple like a piece of laundry caught in the door, or it could mean a part inside the locking mechanism has worn out or failed. Try closing the door firmly and restarting the cycle, and check that nothing is blocking the door from sealing completely.

Diagnostic procedure

The full dF procedure

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First diagnostic step
Close the door tightly and restart the cycle. If the code reappears, call for service.
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Most common causes of dF

Ranked by how often they cause this code
  1. 1Obstruction in the Door or Gasket
  2. 2Faulty Door Lock Assembly
  3. 3Worn or Broken Door Latch Strike
  4. 4Loose or Damaged Wiring to the Door Lock
  5. 5Misaligned Door Hinge

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Questions people ask about dF

What does dF mean on a LG washer?
The dF code means the washer's control board did not receive confirmation that the door locked successfully after a cycle was started. The washer stops as a safety measure to prevent the drum from spinning or water from entering with an unsecured door. The issue can originate from a physical obstruction, a worn door latch, a failed door lock assembly, or a wiring problem in the door lock circuit.
Will resetting my LG washer clear the dF code?
Unplugging the washer for about 30 seconds and restarting can clear the code temporarily if it was triggered by a one-time glitch. However, if the underlying cause is a faulty door lock assembly, broken latch strike, or wiring issue, the code will return as soon as another cycle is attempted. A reset is a useful first step but is not a substitute for diagnosing the root cause.
How much does it cost to repair a dF error code on an LG washer?
If only a door lock assembly replacement is needed, parts typically range from $20 to $75 depending on the model, with professional labor adding $80 to $150 in most markets. If the main control board or wiring harness is involved, repair costs can be higher. Getting a diagnostic visit from a qualified technician will give you a more accurate estimate for your specific situation.
How do I fix the dF error code on my LG washer?
Start by opening the door, checking the gasket for any trapped clothing or debris, and closing the door firmly before restarting the cycle. If the code returns, inspect the door latch and strike for visible damage. Persistent dF codes typically require testing or replacing the door lock assembly, and LG recommends calling for service if the basic restart does not resolve the issue.
Is it safe to use my LG washer when the dF code is showing?
No. The dF code stops the cycle intentionally because the door lock has not been confirmed. Running the washer with a door that is not properly latched creates a risk of water leaking onto the floor and, on front-loaders, the door opening during a spin cycle. Do not attempt to force or bypass the door lock to continue using the machine.

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