Samsung Dishwasher OC Code: 100% Fix Guide

Samsung Dishwasher OC Code: 100% Fix Guide

Samsung dishwashers are known for their innovation, efficiency, and reliability. However, like any appliance, they can sometimes display error codes that indicate a problem. The OC error code is one of the more common issues that Samsung dishwasher owners encounter.

In this troubleshooting guide, we'll provide a complete overview of the OC error code, including what it means, its underlying causes, and the steps you need to take to resolve it. With the right information and a few simple repairs, you can get your Samsung dishwasher running smoothly again in no time.

What Does the OC Error Code Mean on a Samsung Dishwasher?

The OC error code on Samsung dishwashers indicates there is an issue with the overflow condition. Essentially, this means there is excess water in the base pan of the dishwasher, which activates the flood sensor.

There are a few common reasons why your Samsung dishwasher may be displaying the OC code:

  1. Clogged or faulty drain pump/impeller
  2. Drain hose is kinked or clogged
  3. Defective flood switches
  4. Plugged dishwasher drain line
  5. Faulty electronic control board

The flood sensors in the dishwasher base pan are designed to prevent catastrophic water damage in the event of an overflow. So when excess water is detected, your dishwasher will immediately stop running and display the OC code.

Steps to Fix OC Error Code on Samsung Dishwasher

  1. Check Drain Pump and Hose

    The first thing to check is whether there is a clog or blockage in the drain pump/impeller or drain hose. A clog can back up water in the base pan and trigger the OC code.

    To check, disconnect power to the dishwasher. Remove the lower access panel to expose the drain pump. Check for any obstructions in the pump or impeller and remove them.

    Examine the drain hose closely for any kinks, crimps or food particles clogging the line. Eliminate any blockages. Reconnect the drain hose and access panel, then restore power.

  2. Test Drain Pump Motor

    If the drain pump and hose look clear, the next step is testing the pump motor. With the power disconnected, manually rotate the pump impeller with a screwdriver to see if it spins freely. If the impeller is stuck or spins unevenly, the drain pump motor may be defective.

    You can also use a multimeter to test for electrical continuity across the drain pump motor. If there is no continuity, the motor will need to be replaced.

  3. Verify Drain Line Installation

    Check to make sure the dishwasher drain line is properly installed. The drain line should loop up to the bottom of the counter before connecting to the sink drain/garbage disposal. This prevents backflow of waste water.

    If the drain line runs downhill and connects low near the siphon, debris can easily back up into the dishwasher base and cause flooding. Correct the drain line installation as needed.

  4. Clean or Replace Flood Switches

    Samsung dishwashers have several flood switches in the base pan designed to detect water overflows. These switches can sometimes get stuck in the open position and trigger the OC code.

    Clean the flood switches with electrical contact cleaner or rubbing alcohol. Make sure they move freely. If the switches are damaged or continuously trip, replace the entire switch assembly.

  5. Replace Electronic Control Board

    If all other components check out fine, the OC error may be caused by a bad control board. The control board regulates different dishwasher functions, including the flood sensors.

    Replacing the main control board can be a big project. First disconnect power, water lines and drain hoses. Then remove the outer door panel and interior tub to access the electronic components. Swap out the main control board with the replacement part. Reassemble the dishwasher and test.

How to Reset the OC Code on a Samsung Dishwasher

Once you've identified and resolved the underlying cause of the OC error, you'll need to reset the control panel. Here are the steps to reset the code:

  1. Disconnect the dishwasher power supply for one minute.
  2. Reconnect the power which clears the previous error code.
  3. Press the Power button to turn the dishwasher on.
  4. Press Start/Pause to begin a new wash cycle.

This should reset the OC error and allow normal dishwasher operation. If the OC code persists, further troubleshooting of the system is required.

When to Call a Repair Professional

While many OC error causes can be DIY fixes, complex repairs like control board replacement should be left to the professionals. If you've worked through all troubleshooting steps with no resolution, or lack the skill/confidence to make electrical repairs, call in a Samsung authorized service center.

Certified repair techs have the training, parts and tools to accurately diagnose and fix the OC problem. They can also check your entire dishwasher and catch any other underlying issues.

Don't continue using your dishwasher with the OC code active, as this risks leaks and water damage. Schedule service promptly to get your appliance working properly again.

Key Takeaways on Fixing Samsung Dishwasher OC Errors

With some targeted troubleshooting and the right repairs, you can usually resolve the Samsung dishwasher OC code at home. But don't hesitate to leverage professional assistance for a smooth resolution. Using these tips, you'll be back washing dishes optimally in no time.


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