[FIXED] LG Dishwasher OE Error Code – KCSCFM Repair

LG dishwashers have been around for years, and LG has made it their goal to create an innovative product that can meet all of your needs in the kitchen. However, LG dishwashers are not perfect – there are times when something goes wrong with them. 

In this blog post, we will discuss what LG Dishwasher OE Error Code means and how you can troubleshoot it on your own without having to call a repair person or wait for LG’s customer service line to pick it up.

What Does The LG Dishwasher OE Error Code Mean?

LG Dishwasher OE Error Code

According to LG’s user manual, the “OE” error code is automatically triggered when the unit senses that it isn’t draining water as it should. In order to fix this problem, you’ll need to remove any food from the bottom of the dishwasher basin and check the installation of your drain hose.

Ensure to regularly clean the spray arms and filters to remove food particles and prevent larger pieces of food from settling in them. Run a full cycle with no dishes in it once every two weeks to eliminate any residual water that may be leftover from previous uses.

Clean the dishwasher. Put no dishes inside and run a cycle that uses no soap or detergent — just water. This will clean the unit and test the drain function.

How To Remove LG Dishwasher OE Error Code

Every time you run into a problem with your dishwasher, the first thing you want to do is turn it off. Doing so prevents further damage from being caused and gives you time to investigate the situation. Usually, it’s not about finding the source of an error but rather doing some detective work to identify the problem.

Some of the reasons for LG dishwasher error Code OE are: 

  • Clogged filter(s)
  • Drainage issues
  • Waste line clogging 

Error OE can be a tricky and frustrating problem to tackle, but it’s important for customers to remember that LG stands behind its products and will offer support if needed.

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Errors are often caused by small problems, so you’ll want to check each of these issues to determine what’s causing the error.

Clogged Filter

If the filters are clogged, it’s probably food or debris that is causing the problem. Food residue can build up in these parts over time, especially if the dishwasher is used frequently.

If your dishwasher is no longer cleaning dishes, start troubleshooting by checking for these problems. The filters, which help to trap food and debris, can become clogged over time.

When the dishwasher filter is blocked, water pressure can’t be applied to the spray arms — instead of spraying water throughout the machine, it will just sit in the bottom and stagnate. This leads to an error code, most likely “OE” (Drain error).

To check if the filters need changing, remove the bottom rack from your dishwasher and rotate the spray arms and inspect the filter.

Clogged Or Kinked Drain Hose

When a dishwasher doesn’t drain, there are multiple possible causes. Most often, the problem is that food debris has clogged the drain hose — or that a kinked drain hose has caused water flow to slow. Food debris can be cleared using a long, slim object (like a chopstick) to dislodge it and create more space in the pipe gently.  

If you check the lines and find them to be snagged, just straighten them out. If it’s frozen, allow the machine to sit unplugged for a few hours until the lines thaw out. Once you’ve cleared the drain hoses, your dishwasher should be back to its normal self.

If you’re receiving LG Dishwasher OE Error Code, check for kinks or clogs in your dishwasher’s drain hose. If you notice a problem, remove the obstruction and restart the machine. When reattaching the hose, make sure to hold onto it when putting the dishwasher back into place. This will help prevent it from getting caught on the machine and kinking itself.

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When you re-install the dishwasher, just be aware that you’ll want to take your time when putting it back into place. If the hose sits below the dishwasher, it will kink when you push it against the back of the compartment.

By working slowly as you put the dishwasher back together, you can avoid this and other similar issues in the future.

Clogged Spigot

Try checking the spigot for any clogs. If you notice a clog, take a hammer and knock out the plug to clear the obstructed area. It might be just enough to fix the LG dishwasher error code OE.

If a wrench doesn’t work out, you can also use a screwdriver. A hammer might work in situations where the screwdriver is too soft or too thin to pry the debris loose.

Always check the spigot for any plastic debris that might be causing a clog. Without it, your dishwasher won’t work properly. Use a screwdriver and hammer to push any object out of the valve that is causing the clog.

Faulty Drain Pump

Run the dishwasher’s drain pump. It might seem the other components of the dishwasher are functioning normally, but if the pump isn’t working properly, water can pool at the bottom of the appliance instead of draining through it.

To test this component, run the dishwasher — press a button on the control panel to start it or manually start it with a switch located on the front of most models — and set it to its maximum cycle.

Test the drain pump by opening the door and turning on the dishwasher. If you hear a humming sound coming from the pump, it could mean that it needs to be replaced, which might cause your water backups. In many cases, you can do this yourself without calling a plumber or dishwasher specialist.

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If there’s a humming noise, perform a pump filter check to determine if the pump is clogged. If it is, run your dishwasher on a clean tub cycle (with no dishes loaded).

If the problem is resolved after running a clean cycle, you’ve found and resolved the issue. However, if the noise persists after running a clean cycle, the motor may be dead and may require replacement.

Defective Pressure Switch

The LG dishwasher may display the OE error code. The error is caused by a failed pressure switch, which is responsible for controlling the water level inside the machine. 

When such a part fails, it’s possible that the washing tub will be overfilled — or the switch will provide the control board with faulty data, saying there’s no water inside.

The dishwasher water sensor may fail for the following reasons: 

  • you have used the unit too many times;
  • this part of the appliance is worn out;
  • the connector contacts have oxidized.


If you are experiencing LG Dishwasher OE Error Code, LG dishwashers have troubleshooting resources available to help! You might be able to fix your LG dishwasher yourself with a few quick fixes.

I hope this post has helped you to troubleshoot the OE Error. If you’re still experiencing difficulty, please let me know in the comments below, and we can work together to figure out how best to solve your issue!

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