Samsung Dishwasher Medium

Samsung Dishwasher Error Code LC — How to Fix (Leak sensor detected water in base)

Fix Samsung Dishwasher error code LC with our step-by-step guide.

⏱️ Time30-60 minutes
📋 DifficultyMedium
🔧 Model(various models)
⚠️ ErrorLC

What Does Error Code LC Mean?

Error LC on your Samsung Dishwasher means: The Samsung Dishwasher error code LC indicates a leak sensor has detected water in the base. This can be caused by a leak in the tub, a faulty drain pump, or a clogged drain hose. Addressing this issue promptly prevents further damage.

What You'll Need

🔧 Tools

  • Phillips #2 screwdriver
  • T20 Torx screwdriver
  • Multimeter

🛒 Parts

  • Leak sensor

How to Fix Error LC — Step by Step

  1. 1

    Reset the Dishwasher

    Unplug the power cord, wait 30 seconds, and plug it back in to restart the dishwasher. Check if the error code LC is still displayed.

    💡 Pro Tip: If the error code persists, proceed to the next step.

  2. 2

    Inspect the Drain Hose

    Check the drain hose for blockages or kinks. Ensure it's properly connected to the dishwasher and the garbage disposal or sink drain. Use a multimeter to check for continuity.

  3. 3

    Check the Drain Pump Filter

    Locate the drain pump filter at the bottom of the dishwasher. Remove debris or food particles that may be clogging the filter. Check for signs of damage or wear.

  4. 4

    Inspect the Tub and Gaskets

    Inspect the dishwasher tub and gaskets for signs of leaks or damage. Check the tub's corners, edges, and the gaskets around the door for cracks or gaps. Use a multimeter to check for continuity between the tub and the ground.

  5. 5

    Replace the Leak Sensor (if necessary)

    If the leak sensor is faulty, replace it. Use a Phillips #2 screwdriver to remove the screws holding the sensor in place. Disconnect the sensor's electrical connector and remove the old sensor. Install the new sensor and reconnect the electrical connector. Secure the sensor with a T20 Torx screwdriver.

When to Call a Professional

If any of these steps feel beyond your skill level, or if the error code persists after trying the above steps, call a professional appliance technician. If you notice significant water damage or electrical issues, seek professional help to avoid safety risks.

Decoding Samsung Error LC

The Samsung Dishwasher error code LC indicates a leak sensor has detected water in the base of the dishwasher, which can be caused by a leak in the tub, a faulty drain pump, or a clogged drain hose. When the leak sensor detects water, it triggers the error code LC, displayed on the control panel. This error can be frustrating, but addressing it promptly prevents further damage to the dishwasher and surrounding areas. For more information on related error codes, visit our pages on Samsung Dishwasher Error 5E and Samsung Dishwasher Error HE.

What Causes This Error

Related issue? If your Samsung dishwasher is showing a different error code, see our guide on Samsung Dishwasher Error LE.

  • Clogged drain hose or filter
  • Faulty drain pump
  • Leaks in the dishwasher’s tub or gaskets
  • Faulty leak sensor
  • Blockages in the garbage disposal or sink drain

Extra Tips

Addressing the error code LC promptly prevents further damage to the dishwasher and surrounding areas. If any of these steps feel beyond your skill level, you should call a professional appliance technician. also, if you notice any significant water damage or electrical issues, it’s best to seek professional help to avoid safety risks. Regular maintenance, such as checking and cleaning the drain hose and filter, can help prevent the error code LC from occurring in the future. Always unplug the dishwasher before performing any repairs to avoid electrical shock.

Preventing Future Dishwasher Errors

Regular maintenance can prevent many common error codes, including LC:

  • Run an empty cycle with white vinegar once a month to prevent mineral buildup.
  • Avoid overloading — dishes blocking the spray arms are the #1 cause of poor cleaning performance.
  • Check the spray arm nozzles periodically for clogs. A toothpick works well to clear them.

Samsung Support & Warranty

Samsung offers a standard 1-year parts and labor warranty on most appliances. Extended warranties may be available through Samsung Care+. If your dishwasher is still within the warranty period, contact Samsung support at 1-800-726-7864 before attempting repairs yourself — unauthorized repairs may void your coverage. You can also visit samsung.com/us/support/ for model-specific troubleshooting resources.

Repair Cost Estimate

  • DIY repair: $15-$75 for parts (if needed), plus your time
  • Professional repair: $100-$250 including parts and labor
  • Replacement: Check if repair cost exceeds 50% of a new dishwasher price — if so, replacement may be more economical

If you’re troubleshooting your Samsung dishwasher, these related guides may help:

Other Samsung appliance guides:

Related Samsung Dishwasher Error Codes

Error 5E Error HE

Related Troubleshooting Guides

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