Samsung Washing Machine Error LO

⚡ Quick Answer: The Samsung Washing Machine LO error code indicates a failure in the door lock mechanism, preventing the machine from starting a cycle. Symptoms may i... ✅ DIY Fixable

What Does Error LO Mean?

The Samsung Washing Machine LO error code indicates a failure in the door lock mechanism, preventing the machine from starting a cycle. Symptoms may include the door appearing closed yet still displaying the error, the door not unlocking post-cycle, or the error showing immediately when attempting to run the washer. Common causes include the door not being fully closed or a faulty door latch/switch. To address this, check for obstructions and ensure the door is securely latched.

Common Symptoms:

  • Machine will not start a cycle
  • Door appears closed but error persists
  • Door won’t unlock after cycle completion
  • Error appears immediately when attempting to run washer

Possible Causes

  • Door not fully closed/latched (medium)
  • Faulty door latch/door switch or wiring issue (medium)

How to Fix Error LO

DIY Fix Check Door Closure and Obstructions

  1. Ensure the washer is powered off and unplugged.
  2. Open the door and inspect the door seal and latch area for any debris or clothing caught in the seal.
  3. Close the door firmly until it clicks into place and the latch engages securely.
  4. Plug the washer back in and attempt a wash cycle to see if the error clears.

Technician Only Inspect and Replace Door Lock Assembly or Door Switch

  1. Disconnect power and move the washer to a serviceable location.
  2. Remove the washer’s front panel or door assembly as per model-specific service instructions.
  3. Test continuity of the door switch and lock assembly with a multimeter.
  4. Check wiring harness connections between the door lock/switch and main control board for secure fit.
  5. Replace the faulty door lock or switch assembly if testing confirms a defect.
  6. Reassemble and test the washer to confirm error resolution.

Parts needed: Door lock assembly, Door switch, Wiring harness/connectors

🛑 When to Call a Pro:
  • If the LO error persists after ensuring the door is properly closed and no obstructions are present.
  • If the door latch mechanism or switch shows electrical faults during testing.
  • If there are signs of damage to the door or lock components that require part replacement.

Technical Specifications

wattage N/A
component Door Lock Assembly
resistance 10-30 ohms
part_number DC97-14486A
voltage_rating 120V AC

Common Questions

What does LO error mean on Samsung Washing Machine?

The LO error indicates a door lock failure, preventing the machine from starting.

Can I fix Samsung Washing Machine LO error myself?

Yes, you can check the door closure and remove any obstructions.

How much does it cost to fix LO error?

Repair costs range from USD 50 to 150 for parts, plus labor.

When should I call a technician for LO?

Call a technician if the error persists after checking the door or if there's visible damage.

Data last verified: 2026-01-10

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