Samsung Dishwasher Showing LC Error Code? Here’s Why

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If your Samsung dishwasher is displaying an LC error code, this means that your dishwasher’s leak sensor has detected that your dishwasher has a moisture or water leak.

This guide covers most models of Samsung dishwashers, including:

DB3710DB

DB3710DW

DB5710DT

DMR57LFBXAA

DMR57LFSXAA

DMR57LFWXAA

DMR77LHSXAA

DMR78AHBXAA

DMR78AHSXAA

DMT610RHB/XAC

DMT800RHBXAA

DMT800RHSXAA

DW80F600UTB/AA-0001

DW80F600UTS/AA-0001

DW80F600UTW/AA-0001

DW80F800UWS/AA-0001

DW80J3020UB/AA-0000

DW80J3020UB/AC-0000

DW80J3020US/AA-0000

DW80J3020US/AC-0000

DW80J3020UW/AA-0000

How you approach fixing this error code depends on if there is a visible leak or not. If you cannot see a visible leak coming from the dishwasher, then start by going through the steps below; however, if you can see an obvious leak coming from your dishwasher, then skip to the next section.

There Isn’t a Visible Leak

  1. Unplug your dishwasher or, if you cannot access the plug, turn it off at the circuit breaker.
  2. Start to inspect your dishwasher for signs of water or moisture. The best places to look are around the water hoses, around the door seals, and underneath the dishwasher. If you find any signs of water or moisture, move on to the next section of this article.
  3. If you have connected your dishwasher to the garbage disposal, you need to ensure that the garbage disposal cap has been removed. When it isn’t removed, water can end up leaking into places it shouldn’t, and this might activate the LC error code.
  4. Leave the dishwasher off for about 15 to 20 minutes so that your dishwasher can dry out.
  5. After 15 to 20 minutes, turn your dishwasher back on and check if the error code has gone. If not, you may have to call a technician to come and have a look at it.

You also need to ensure that you are using the correct amount of dishwashing detergent. When you use excess detergent, it can end up causing the leak sensor to activate, as detergent causes excess moisture.

There Is a Visible Leak

To confirm where the leak is coming from, you need to inspect the main components that are usually responsible for a leak. Before checking these components, make sure you turn the power off to the dishwasher.

  1. Check the water supply hose. Once you locate the water supply hose, you need to check it for cracks, holes, loose connections, and blockages. If you find any damage, you will need to either fix the damage or replace the hose. If the hose is fine, move on to the next step. If you do fix or replace the hose, you can then turn the dishwasher back on and see if the problem has been solved. If the error code hasn’t disappeared, move on to the next step.
  2. Inspect the drain hose. Just like the water supply hose, inspect the drain hose for any signs of cracks, holes, loose connections, or blockages. If you find anything wrong with it, you need to fix the damage or replace it completely. Thankfully, drain hoses aren’t very expensive, and they are available at all major parts retailers. If the hose is fine, move on to the next step. If you do fix or replace the hose, you can then turn the dishwasher back on and see if the problem has been solved. If the error code hasn’t disappeared, move on to the next step.
  3. Inspect the door seal and door gasket to ensure they are in the correct position and are not broken or ripped in any way. If they are damaged, they will need to be replaced, as water and moisture are probably leaking out of them. If the door seal and gasket are fine, you can move on to the next step. If you do fix or replace them, plug your dishwasher back on and check if the problem has been solved. If not, move on to the next step.
  4. Make sure that the door seal and gasket are very clean. When they get grime on them, this can cause a gap that allows moisture or water to leak out. To ensure they are clean, give them a good clean with hot water and a mild detergent. Once cleaned, make sure you thoroughly dry them out.
  5. Make sure that the dishwasher is sitting level on the floor. When the dishwasher isn’t level, it can cause it to knock the cabinet it is in, which may cause a small leak to occur. You can level the dishwasher by adjusting the dishwasher legs and by using a level to ensure it is completely level. Once you adjust the level, turn the dishwasher on and see if the error code is gone. If the error code is still displayed, move on to check the next component.
  6. Inspect the spray arms to see if they are clogged or cracked. When they are clogged or cracked, the water will spray toward the door, which can then leak out. Most dishwashers have multiple spray arms. You need to remove each spray arm and check them for cracks and blockages. If you find a crack, you will need to replace the spray arm. If it is blocked up, you can clean it out and then put it back into the dishwasher. If you do replace any of the spray arms or clean them out, you can then turn the dishwasher back on and see if the problem has been solved. If the error code hasn’t disappeared, move on to the next step.
  7. If your Samsung dishwasher is still displaying the LC error code, you may need to contact a technician to come and have a look at your dishwasher so that they can find the cause of the problem.
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