How To Fix the SUD Error on a Samsung Washer
If you’re seeing a “SUD” or “SudS” error on your Samsung washer, it means your machine has detected too many soap suds during the wash cycle. This error is common and usually linked to using the wrong type or too much detergent. Fortunately, fixing it is simple and doesn’t require a technician in most cases.
In this article, we’ll explain what causes the SUD error, how to resolve it step by step, and tips to prevent it from happening again. Whether you have a top-load or front-load Samsung washer, these solutions will help get your laundry back on track.
What is the SUD Error on the Samsung Washer?
The SUD error on a Samsung washer indicates that there are too many soap suds in the drum during a wash cycle. Samsung washers can detect when there is too many suds. Excess foam can affect rinsing and spinning properly. This usually happens if you use too much detergent or a non-HE (High Efficiency) detergent.
When the SUD error appears, the washer is paused to allow the suds to dissipate before continuing the cycle. While it’s not a serious malfunction, it’s a signal that the detergent use needs to be adjusted.
Common Causes of this Error
The SUD error is primarily caused by detergent-related issues, but several factors can contribute. Here’s a detailed breakdown:
1. Using Too Much Detergent
Using more detergent than recommended can create too many suds. Many people think that using more soap will clean clothes better, but actually, too much detergent makes it difficult for the washer to rinse correctly. The washer will notice the extra foam and show the SUD error.
Tip: Always follow the detergent instructions and use the right amount for your load size and water level.
2. Using Non-HE (High-Efficiency) Detergent
Samsung washers are high-efficiency machines that require HE-labeled detergent. Regular detergents produce more foam than HE types and can trigger the SUD error quickly.
Why: HE detergents are low-sudsing and designed for modern front-load and top-load machines. Using non-HE soap creates more foam than the washer can handle.
3. Detergent Residue Build-up
Detergent can build up in the washer’s drum, hoses, and pump over time, especially if you use too much detergent regularly. This build-up can cause recurrent SUD errors, even if you reduce detergent usage later.
Solution: Run a cleaning cycle regularly with a washer cleaner or white vinegar to remove leftover soap.
4. Clogged Drain Pump or Filter
If the drain pump or drain filter is partially clogged, the washer may struggle to remove suds effectively, causing the SUD error to appear. A blocked pump can also slow down drainage, making the foam sit longer in the drum.
Fix: Clean the washer’s drain filter regularly, usually located behind a small access panel at the bottom front of the machine as shown in the image below:
5. Overloaded Washer
Putting too many clothes in the washer can reduce water circulation and cause detergent to concentrate in one area, leading to more foam and sud formation.
Tip: Avoid tightly packing your washer. Leave enough space for water and detergent to distribute evenly.
How to Fix the SUD Error
Don’t worry — fixing the SUD error is usually quick and easy! Here’s a step-by-step guide to get your washer back to normal:
Plug & Unplug:
If you see this error, first unplug your washer. Wait a few minutes, then plug it back in to see if the error disappears. If the error is still there, follow the instructions below.
2. Wait and Let the Washer Do Its Job
First, don’t panic! When the SUD error appears, your washer automatically pauses to let the suds break down. It may take a few minutes. If it resumes on its own, you might not need to do anything.
3. Use the Right Detergent
Make sure you’re using HE (High Efficiency) detergent — it’s designed to produce fewer suds. If your detergent bottle doesn’t have an “HE” label, stop using it and switch to a suitable product.
3. Reduce Detergent Quantity
Using too much detergent is the #1 cause of this error. Even with HE detergent, try using half the amount you’re used to and increase only if needed. Your washer and clothes will thank you!
4. Run a Rinse and Spin Cycle
If the washer is still full of suds, select a “Rinse and Spin” cycle to help flush out the foam. You can repeat this once or twice if needed.
5. Clean the Drain Filter
Open the access panel at the front bottom of your washer and clean out the drain filter. It might be clogged with detergent residue, lint, or small objects — all of which can make suds worse.
6. Run a Drum Clean Cycle
Once everything is clear, run an empty hot water cycle with a washer cleaner or white vinegar and baking soda. This will break down detergent buildup inside the drum and hoses.
7. Don’t Overload the Washer
Overloading can trap detergent in clothing and cause foam to build up. Try washing smaller loads to ensure detergent disperses evenly.
By following these steps, you’ll not only clear the SUD error but also keep your washer cleaner, more efficient, and longer-lasting. Say goodbye to soap overload and hello to smooth laundry days!
Here’s an table listing some common Samsung washer models that this guide applies to:
| Compatible Samsung Washer Models |
|---|
| WF42H5000AW |
| WF45R6100AW |
| WF45T6000AW |
| WF50A8500AV |
| WF45K6500AV |
| WF45R6300AV |
| WF45N5300AF |
| WF42H5200AW |
| WF50K7500AV |
| WF45A6400AW |
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