What does sud mean on Samsung Washer [2023]? (Answered)

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The Samsung Washer SUD error (often misread as 5UD by some customers) is caused by a number of factors.

Unlike many other error codes, this one is not caused by a faulty washer.

It is simply the result of using the incorrect washing detergent, using too much detergent, or failing to allow the detergent to dissolve properly in the machine.

Here are the specifics on which detergent to use, how much to use, and what to do if you get the Samsung Washer SUD error even if you are using the correct detergent.


If your washing machine displays SUDS on the screen, it has detected an over-sudsing condition and will stop for a short period of time to allow the suds to dissipate.

This error code is typically caused by using too much detergent or the incorrect type of detergent.

What does sud mean on Samsung Washer?

What is the meaning of a SUD Error Code?

All of the most recent Samsung machines are equipped with an automatic foam detector, which regulates the amount of foaming and soap in the drum when washing clothes.

For the washer, whirling the water with excessive suds is becoming increasingly challenging.

When there is an excessive amount of detergent present, the display flashes a SUD Error number, and the washer slows its work to allow the foam to dissipate before continuing the cycle.

It can take anything from 5 minutes to 40 minutes, depending on how much powder is in the water.

This is when the appliance adds additional water to ensure a better rinsing experience.

This allows you to break up the suds bubbles more easily.

This extra-rinse stop may occur several times throughout the washing process in order to remove the suds.

The Error has many codes that correspond to different years of production: SUD, 5D, and SD. There is a common thread running across them all.

It is recommended by the fabricator to use a High-Efficiency detergent in order to prevent the need for an extra-long washing cycle and to obtain cleaner garments.

What Is the Root Cause of the Samsung Washer SUD Error Code?

1. Detergent

It is indicated by the code 5UD or SUD that there is an excessive amount of soap suds in the washer drum.

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It’s possible that you used too much detergent or the wrong type of detergent.

The excessive foam will interfere with the proper operation of the Samsung washer.

As a precaution, the washer will stop until the suds have been reduced and then restart from the point where it stopped.

An excessive SUDS sensor is used in some machines to detect the production of excessive SUDS.

In the majority of circumstances, you will not be required to take any action.

Simply wait for a short period of time, and the mistake will be resolved on its own.

2. Detergents are classified by their type.

It is recommended by Samsung that you use a high-efficiency (HE) detergent, which has reduced sudsing capabilities and is specifically created for high-efficiency washers.

High-efficiency detergents are specifically formulated for use in modern washers that use less water.

When using a detergent that is not intended for high-efficiency washers, you are more likely to have the over-sudsing problem.

A high-efficiency detergent is usually easy to identify because the label will have the letters “HE” printed on it.

In addition to producing less suds, high-efficiency detergents should be more effective at removing stains and thoroughly cleaning your clothing.

3. A sensor that detects foam

If the foam in the drum does not appear to be above the limits, but the SUD Error is still displayed, it is possible that there is a problem with the foam volume detector, which will need to be repaired or replaced.

4. Filters that are clogged

The drain system, which is comprised of a hose, branch pipe, and sewer, is responsible for removing the water and suds from the washer.

Some clothes contain minute details such as buttons or beads, which might cause one of the pieces to become jammed, and as a result, the SUD Error number may display on the screen.

5. A switch that operates under pressure

Another possible cause for the code to occur is a malfunctioning or damaged pressure switch, which must be repaired or altered by a qualified technician to be effective.

6. A centralized command and control system

The failure of the control unit is the most seldom of all problems.

Even when there are no problems with the equipment, the error message remains on the screen.

In this instance, the only option is to seek the assistance of a specialist for component replacement.

Samsung Washer SUD Error Code
What Is the Root Cause of the Samsung Washer SUD Error Code?

What Is HE Detergent and How Does It Work?

Before we get into the issue, we should clarify that we were referring to HE (high efficiency) detergent.

What exactly is it?

Overall, modern washing machines consume significantly less water than their predecessors.

Machines used to consume up to 40 gallons of water per cycle in the past.

This meant that extra detergent would be required to clean the clothes.

Additionally, HE detergents are available in 1X, 2X, and 3X concentrations.

The concentration is indicated by the X.

The greater the value of X, the less amount of water you will use for washing.

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What to Do If You Get a SUD Error Code

When your Samsung washer displays the SUD error code, simply turning off the washer and waiting for it to rectify the problem is generally sufficient.

The washer should automatically resume the cycle after it has determined that the problem has been fixed. a.

1. Remove Detergent Residue from the Surface

If you are using the proper quantity of detergent and the detergent is HE detergent, it is possible that you will need to clear off the detergent residue in the washer in order to resolve the issue.

To completely remove detergent residue from your clothes, run along the wash cycle at a high temperature without any items in the washer.

After the cycle is complete, check to see that there is no detergent residue left in the washer. Remove any detergent residue that has remained on the surface.

2. Drain the drain pump and clean the drain pump filter.

Samsung Washing Machine Error Code SUD filter
Drain the drain pump and clean the drain pump filter.

Drain pump filters are found in many Samsung washers that display the SUD error code, and they can be removed and cleaned.

The accumulation of suds and debris in the drain pump filter and cabinet can result in the SUD error.

To clean the drain pump filter, follow these steps:

1. Prepare a rag and a towel to absorb and wipe up any water that may seep out of the faucet or showerhead.

2. Prepare a shallow container or bucket to catch the water that will be discharged by the drain pump.

3. Find the small access door on the front of your washer, which is normally on the left side of the machine.

4. Place the towel on the floor below the access entrance, then close the door.

5. By pressing forcefully against the access door, you will be able to open it.

6. Use the towel to mop up any excess water, and then store it in the cabinet to catch any excess water that may spill out during cleaning.

7. Pull the emergency drain hose out of the container and place the spout over the container.

8. Remove the cover from the drain hose and allow the water to drain into the container as it normally would.

9. Allow 15 minutes for the hose to be in the draining position after the water flow has stopped to ensure that all of the water has been adequately drained.

10. Turning the drain filter counterclockwise will allow it to be removed.

When turning the filter top, take care not to damage any of the plastic pieces.

11. Remove any debris that has accumulated in the filter.

12. Clean the filter and cabinet to ensure that all debris, lint, and detergent residue have been removed.

If the filter is difficult to clean, run hot water over it or soak it in hot water for a few minutes.

Make certain that the inlet and outflow holes are free of obstructions.

13. Put the filter back into the washer after cleaning it.

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Turn the top counterclockwise until it clicks and is securely fastened to the base.

14. Replace the cap on the hose and set it back in its original location in the cabinet.
Close the access door behind you.

3. Check the Foam Level Sensor to make sure it is working properly.

If you have followed all of the recommendations above, it is possible that the foam level sensor is faulty and is incorrectly registering suds in the tub.

While the following steps will walk you through the process of testing and changing the sensor, you should consider hiring a skilled professional to perform the testing and replacement of the filter.

To inspect and replace the foam level sensor, perform the following steps:

1. Disconnect the washer’s power source from the wall outlet.

2. Remove the top access panel or control panel on a front-loading washer and the rear access panel or control panel on a top-loading washer.

3. Locate the sensor that measures the foam level.

If necessary, consult the owner’s instructions for the washer.

4. Disconnect the sensor’s wiring harness from the rest of the system.

To evaluate whether or not the foam level sensor is malfunctioning, use a multimeter to test it.

5. If the foam level sensor is faulty, it should be replaced.

How to change the foam level sensor?
Check the Foam Level Sensor to make sure it is working properly

How to Reset the Samsung Washer SUD Error Code (SUD stands for SUD Error Code).

The SUD error is not a true mistake; rather, it is an indication that an excessive amount of suds is forming, and the machine will stop for a short period of time before continuing the process after the suds have been reduced.

By selecting a long wash cycle in conjunction with the highest temperature settings, you can also wash an empty load of clothes. This will assist in the removal of the SUDS.

Also, make sure to thoroughly read the manufacturer’s instructions to ensure that you are using the correct amount of detergent.

It is recommended that you use HE detergent with a higher X.

These detergents have low sudsing qualities, which helps to prevent the SUD/5UD error from occurring.

What Should You Do If the SUD Code Is Still Displayed?

If you continue to receive the error, it is possible that a clog has formed in the drain filter or drain hose, respectively.

To resolve the SUD error, thoroughly clean the drain filter under the sink, removing any particles or strong soap residue that may have accumulated.

Additionally, open the bottom panel of the Samsung washer and take away any extra water from the drain line.

Check the hose for clogs and remove any obstructions that may have formed in the pipe.

SUD codes are sometimes caused by obstructions in the drainpipe, so it is advisable to thoroughly clean the drain hose and any other connecting hoses.

5D and SD are two different types of error codes.

Some Samsung washers may display a 5D or SD error code instead of a SUD error code when an error occurs.

The error code 5D, often known as SD, is the same as the SUD error code.

The washer has identified an excessive amount of soap suds, and it should automatically pause and wait for the suds to evaporate before continuing.

Ascertaining that you are using a high-efficiency detergent, avoiding using excessive amounts of soap, eliminating detergent residue from the washer, and cleaning the drain pump filter should all help to remedy the problem.

Our Final Thoughts

We recommend that you use “HE” (High Efficiency) detergent, which is specifically created for front-loading washing machines with high energy efficiency levels.

“HE” detergent is characterized by its great cleaning effectiveness combined with its low sudsing features.

In most cases, non-HE detergent has high sudsing qualities, which will result in an excessive amount of suds in your washing machine.

 Please use the recommended amount of detergent recommended by the detergent manufacturer.

Laundry detergent is available in a variety of various concentrations.

For instance, 1x, 2x, and 3x are all possible. Make sure to adjust the amount of washing detergent used to account for this.

Frequently Ask Questions

What does Sud Loc on a washing machine mean?

“Sud LOC” (suds lock – I have an excessive number of suds)

Your machine has accumulated a build-up of suds. It’s possible that too much detergent was used in relation to the amount of soil in the load.

What is the definition of Oversudsing?

It is only when an excessive amount of suds is produced that a problem arises, as this might result in a leak, residue on the clothes, or drainage issues being caused.

To avoid oversudsing, use only the type and amount of laundry detergent advised by the manufacturer.

What is the best way to reset my Samsung washing machine?

Samsung Washing Machine
  • Restart the washing machine by turning it off and back on.
  • Continue to hold down the Temp. and Delay End (+) buttons for a total of three seconds. The letters CB or CLB will show on the screen.
  • Calibration Mode is activated by pressing the Start/Pause button


  • Khelly Perez

    Hi, I'm Khelly! I am your tech expert for all your Samsung Products and Information needs. Life is complicated so, finding solutions to your tech problems shouldn't be. Let me help you with that!

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