Samsung front load washing machines are equipped with digital display error codes. The SUD error code indicates a sudsing problem. The SUD is usually a indication of to much soap or not enough soap.
Samsung Washer SUD Error Code:
What we normally find in the field is either to much soap was added to the cycle or the incorrect soap. You really want to take a look at how much soap you’re using. You only need enough HE soap to lubricate the clothes so as they wash against each other the fabric will release the stain or soils. Everyone think oh these are dirty I’ll just add a little more soap. That’s actually way more common than you would think. When you put to much soap in the washer it can create a SUDS lock and also lock the stains/soils into the fabric.
Only use HE soap in these washing machines. The HE soap is specifically designed to work in front load washers. Since front load washers do not use and much soap as top loaders the amount of soap is also less. The manufacture tells you to use a certain amount marked on the lid. Most times that’s even to much soap. Line one on any HE soap lid is going to be plenty for just about any load you’ll be washing at home.
When the SUD error code is displayed you can try to unplug the washer for 2-3 minutes. If the washer is displayed the SUD fault code because a glitch in the control, unplugging it may possible reset the error code. Try to leave the washer unplugged for at least 2-3 minutes. Leaving the washer unplugged for at least that ling will allow the capacitors on the control board to completely discharge. Once the capacitors are discharged the board has been reset. hopefully that clears the fault code up for you.
Open the washer door and remove the clothes. Check and see if there’s excessive suds in the tub. If you see a lot of suds, the washer will need to be drained. Try running a spin/drain cycle only or a quick cycle with no spin. The no spin option will get to the drain part faster. You may need to fill the washer up several times and then cancel it to drain. You can also run a quick cycle with 1 cup of white vinegar. vinegar is an acid so it will break down all the extra soap and flush it out of the machine. It will also clean the inside and the drain hose and sump area.
If the sud error comes back after doing the above, you will need to check the pressure switch. It’s possible the pressure switch is tripped or not being tripped. Remove the small 1/4 black hose from the round pressure switch. Blow through the hose towards the tub. The hose should be free and clear. if the hose is not clear, access the back where the hose connects and clean the connection. I’ve seen gunk/grim build up at this connection and also extra soap. Clean the connection really well and run a quick cycle to test function the washing machine. That should fix the samsung washer SUD error code.
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Samsung Washer Error Codes: