Samsung Dishwasher LC Code Troubleshooting Guide

Samsung Dishwasher LC Code Troubleshooting Guide

Samsung dishwashers are highly popular appliances known for their efficiency and performance. However, these machines can sometimes display error codes that signal a malfunction. The LC error code is one of the most common on Samsung dishwashers and can be frustrating for owners. In this comprehensive guide, we'll provide tips for troubleshooting and fixing the LC code on your Samsung dishwasher.

What is the LC Code on Samsung Dishwashers?

The LC code stands for "leakage current detected". It indicates that the dishwasher has detected some leakage of current in the unit, which trips the internal leakage detection circuit. This causes the dishwasher to stop running as a safety precaution since current leakage can lead to electric shocks.

Some of the potential causes for the LC code on your Samsung dishwasher include:

  1. Faulty heating element
  2. Damaged wiring
  3. Malfunctioning electronic control board
  4. Defective water inlet valve
  5. Leaking component allowing water to contact interior wiring

The LC code may flash on your dishwasher's display alternately with one or two digits such as LC1, LC2 etc. The number indicates the specific nature of the issue.

Step-by-Step Guide to Fixing the LC Code

Follow this step-by-step guide to troubleshoot and resolve the LC error on your Samsung dishwasher:

  1. Reset the Dishwasher

    The first step is to reset the dishwasher and clear the LC error code. This may resolve the problem if it was caused by a minor glitch. To reset:

    • Press the Power button to turn off the dishwasher.
    • Disconnect the dishwasher from power for 30 minutes.
    • Reconnect the power supply and turn the dishwasher on.

    The LC error should now be cleared. Try running a cycle to see if the problem is fixed.

  2. Inspect the Heating Element

    If resetting the dishwasher didn't work, the next step is to inspect the heating element. Follow these steps:

    • Turn off power to the dishwasher.
    • Remove the dishwasher's lower access panel.
    • Locate the heating element in the bottom of the tub and check for any visible damage.
    • Use a multimeter to test the heating element for continuity. Replace it if faulty.
  3. Check Door Switch and Wiring

    Current leakage is sometimes caused by a faulty door switch or damaged wiring. To check:

    • Inspect the door latch and switch for any broken, loose or damaged parts. Replace if faulty.
    • Check for pinched, loose, or damaged wires. Repair any issues found.
    • Use a multimeter to test wires for continuity.
  4. Test Electronic Control Board

    The electronic control board regulates the operation of all electrical components. A malfunctioning control board can cause the LC code. To test:

    • Unplug the dishwasher and disconnect wires from control board.
    • Check for burnt smell or melted/damaged components on control board.
    • Use a multimeter to check for continuity on control board.
    • If faulty, replace the control board.
  5. Replace Water Inlet Valve

    A defective water inlet valve can allow water to leak into the dishwasher's interior, leading to current leakage issues. Here's how to replace this part:

    • Turn off water supply lines and power to the dishwasher.
    • Disconnect the water lines from the defective inlet valve.
    • Remove the mounting screws to release the inlet valve.
    • Install the new inlet valve and reconnect the water lines.
    • Restore power and water supply to the dishwasher.

After replacing any faulty part, run a short cycle empty to verify that the LC code does not appear anymore before doing a full load. This ensures the issue is fixed.

What to Do if the LC Code Persists?

If you still get the LC error code after trying all troubleshooting, it's time to call a technician. A professional will be able to accurately diagnose and repair the problem.

However, before you call for service, double check these things:

Thoroughly checking for leaks and wire connections can reveal the cause of persistent LC codes. But if the problem still continues, don't hesitate to call a Samsung dishwasher repair technician.

FAQ About Samsung Dishwasher LC Codes

Here are some frequently asked questions about fixing the LC code on Samsung dishwashers:

Why is My Dishwasher Showing LC Code but Not Leaking?

It's possible to get an LC code without an actual leak being present. This happens when there is some current leakage inside the unit but no water leaking out. Causes include faulty heating element, damaged wires touching the tub, or control board issues.

How Do I Reset the LC Code on My Samsung Dishwasher?

To reset the LC code, switch off power to the dishwasher for 30 minutes. Then reconnect power and turn on the dishwasher. This resets the control panel and clears the error code.

Why Does My Dishwasher Keep Showing LC Code?

If the LC code persists, it signals an underlying fault that keeps triggering the error. This is usually caused by a bad heating element, control board failure, or repeating water leaks. Thorough troubleshooting is needed to identify and fix the root cause.

Does LC Code Mean I Need a New Dishwasher?

The LC code doesn't necessarily mean the entire dishwasher needs replacement. In most cases, the problem is with a failed component like the water inlet valve, heating element or control board which can be repaired or replaced.

Is It Safe to Use Dishwasher With LC Code?

No, it's not safe to run the dishwasher with an active LC code. The error indicates current leakage which means risk of electric shocks. Use caution and disconnect power before attempting repairs.


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