Samsung Dishwasher LC Error — What It Actually Means and How to Fix It

You open your Samsung dishwasher, see "LC" flashing at you, and your brain immediately goes to "Great, how much is this going to cost?"

Take a breath. LC stands for Leak Check, and most of the time it's not an actual leak. It's a sensor overreaction, kind of like a smoke alarm that goes off when you make toast.

What the LC Code Really Means

Samsung's leak sensor sits in the base pan underneath the tub. If it detects even a tiny amount of moisture, condensation, a splash from the drain hose, a spider that sneezed near it, it throws the LC code and shuts everything down.

Smart? Yes. Annoying? Also yes.

👉 Jump straight to the Samsung DW80R5060US LC diagnosis page →

The 10-Minute Fix That Works 80% of the Time

Before you call anyone, try this:

1. Power off the dishwasher, flip the breaker or unplug it. Wait 15 minutes. This resets the sensor.
2. Tilt the dishwasher back about 45° (grab a buddy for this). Let any collected water in the base pan drain out. You'll probably hear a little splash, that's the culprit.
3. Dry the base pan — if you can reach it, use a towel. A turkey baster works surprisingly well for getting water out of tight spots.
4. Check the drain hose connection at the back. If it's loose, tighten it. If it's cracked, that's your leak.
5. Power it back on and run a quick rinse cycle. No LC? You just saved yourself $150.

Still Getting the LC Code?

If the code comes back, the issue might be:

• A faulty leak sensor — these go bad over time, especially in humid climates. Replacement runs about $25-40 for the part.
• A cracked spray arm — water sprays where it shouldn't and drips into the base. Pull the spray arms out and look for hairline cracks.
• Door gasket deterioration — run your finger along the rubber seal. If it feels hard, crumbly, or you see gaps, moisture is getting past it.

When to Actually Call a Pro

If you see actual standing water on your kitchen floor, that's a real leak and not a sensor quirk. Check under the dishwasher with a flashlight. Water stains on the floor or cabinet base = time for a professional.

But 8 times out of 10? It's condensation in the base pan. The tilt-and-drain trick saves the day.