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

The Samsung Dishwasher error code LC can be alarming, especially if you’re in the middle of a cycle. This error indicates that the leak sensor has detected water in the base of the dishwasher, which can lead to further damage if not addressed promptly. In this comprehensive guide, we’ll walk you through the causes, diagnostic steps, and repair procedures to get your dishwasher up and running again.

What Samsung Dishwasher Error LC Actually Means

The LC error code on your Samsung Dishwasher is triggered when the leak sensor detects water in the base of the appliance. This sensor is designed to prevent water from accumulating and causing damage to the electrical components. The leak sensor is usually located at the bottom of the dishwasher and monitors the base for any signs of water.

The sensor works by detecting changes in the electrical resistance between the metal contacts in the base of the dishwasher. When water is present, it creates a conductive path between the contacts, triggering the LC error code. This error can be caused by a variety of factors, including leaks in the tub, faulty drain pumps, or clogged drain hoses.

Is it safe to keep using the appliance with the LC error code? No, it’s not recommended. Water in the base can cause electrical shock, damage to the motor, or even a fire. Therefore, it’s essential to address this issue promptly.

Diagnose This in 5 Minutes

Before calling a professional, try these quick diagnostic steps:

• Power cycle: Unplug the power cord, wait 30 seconds, and plug it back in. This simple reset can sometimes clear the error code.
• Inspect the drain hose: Check the drain hose for blockages or kinks. Ensure it’s properly connected to the drain pipe and not restricted.
• Check the drain pump filter: Locate the drain pump filter at the bottom of the dishwasher and clean it. A clogged filter can cause water to accumulate in the base.

Diagnosing the Source of the Problem

Here are the common causes of the LC error code, ranked by likelihood:

1. Leak in the Tub or Gaskets

• Description: A leak in the tub or gaskets can cause water to accumulate in the base of the dishwasher.
• How to verify: Inspect the tub and gaskets for signs of leaks or damage.
• Fix difficulty: Medium to High
• Cost: $50-$200 (depending on the extent of the damage)

2. Faulty Drain Pump

• Description: A faulty drain pump can cause water to accumulate in the base of the dishwasher.
• How to verify: Check the drain pump for signs of wear or damage. Use a multimeter to test the pump’s electrical resistance.
• Fix difficulty: High
• Cost: $100-$300 (depending on the replacement pump)

3. Clogged Drain Hose

• Description: A clogged drain hose can cause water to back up into the base of the dishwasher.
• How to verify: Inspect the drain hose for blockages or kinks.
• Fix difficulty: Low to Medium
• Cost: $0-$50 (depending on the extent of the clog)

4. Faulty Leak Sensor

• Description: A faulty leak sensor can trigger the LC error code even if there’s no actual leak.
• How to verify: Test the leak sensor using a multimeter. Compare the readings to the manufacturer’s specifications.
• Fix difficulty: Medium
• Cost: $50-$100 (depending on the replacement sensor)

5. Electrical Issue

• Description: An electrical issue can cause the leak sensor to malfunction and trigger the LC error code.
• How to verify: Inspect the electrical connections and wiring for signs of damage or wear.
• Fix difficulty: High
• Cost: $100-$500 (depending on the extent of the electrical issue)

How to Fix This (Step by Step)

The most common cause of the LC error code is a leak in the tub or gaskets. Here’s a step-by-step guide to fix this issue:

Safety warnings:

• Unplug the power cord before starting the repair.
• Wear protective gloves and safety glasses.

Tool list:

• Phillips #2 screwdriver
• T20 Torx screwdriver
• Multimeter

Time estimate: 1-2 hours

Step-by-Step Instructions:

1. Disconnect the power cord: Unplug the power cord from the electrical outlet.
2. Remove the lower panel: Use a Phillips #2 screwdriver to remove the screws holding the lower panel in place. Gently pull the panel down to access the tub and gaskets.
3. Inspect the tub and gaskets: Inspect the tub and gaskets for signs of leaks or damage. Check for any cracks, corrosion, or worn-out gaskets.
4. Replace the gaskets (if necessary): If the gaskets are damaged, replace them with new ones. Use a T20 Torx screwdriver to secure the gaskets in place.
5. Test the leak sensor: Use a multimeter to test the leak sensor. Compare the readings to the manufacturer’s specifications.
6. Reassemble the lower panel: Reattach the lower panel using the Phillips #2 screwdriver.

What “fixed” looks like vs “still broken”:

• If the LC error code is cleared, and the dishwasher operates normally, the repair is successful.
• If the LC error code persists, there may be another underlying issue that needs to be addressed.

Model & Year Variations

The LC error code can occur on various Samsung Dishwasher models, but some models are more prone to this issue. Here are some model-specific differences:

• Samsung Dishwasher models (2013-2018): These models have a more straightforward design and are less prone to electrical issues.
• Samsung Dishwasher models (2019-present): These models have more advanced features and are more susceptible to electrical issues.

How Much Does This Fix Cost?

Here’s a breakdown of the estimated repair costs:

Keeping This Error Away Long-Term

To prevent the LC error code from occurring in the future:

• Regularly inspect the tub and gaskets: Check for signs of leaks or damage every 6 months.
• Clean the drain pump filter: Clean the filter every 3 months to prevent clogs.
• Check the drain hose: Inspect the drain hose for blockages or kinks every 6 months.

Beyond DIY: Professional Repair Indicators

If you’re not comfortable with DIY repairs or if the issue persists after trying the above steps, it’s time to call a professional. Here are some scenarios where you should seek help:

• Electrical issues: If you suspect an electrical issue, it’s best to call a professional to avoid electrical shock or further damage.
• Complex repairs: If the repair requires specialized tools or expertise, it’s best to call a professional.

Frequently Asked Questions

Here are some common questions and answers:

• Q: What causes the LC error code on my Samsung Dishwasher? A: The LC error code is triggered when the leak sensor detects water in the base of the dishwasher. This can be caused by a leak in the tub, a faulty drain pump, or a clogged drain hose.
• Q: Can I reset the LC error code? A: Yes, try resetting the dishwasher by unplugging the power cord, waiting 30 seconds, and plugging it back in.
• Q: How do I inspect the drain pump filter? A: Locate the drain pump filter at the bottom of the dishwasher and clean it. A clogged filter can cause water to accumulate in the base.
• Q: Can I replace the leak sensor myself? A: Yes, replacing the leak sensor is a relatively simple process. Use a Phillips #2 screwdriver and follow the manufacturer’s instructions.
• Q: What is the estimated cost of repairing the LC error code? A: The estimated cost of repairing the LC error code can range from $50 to $500, depending on the underlying issue and the repair option.

For more information on related error codes, visit:

• GE Dishwasher Error FTD
• LG Dishwasher Error IE
• Bosch Dishwasher Error E01

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