The SD error on your Maytag Washer means the machine has detected too many suds in the wash tub. This safety feature stops the cycle and runs extra rinses to clear the excess foam, and it usually points to using the wrong type or too much detergent.

Error code SD
Meaning Suds Detected — excess foam sensed during the wash cycle
Severity Low — usually resolves itself but can repeat if the cause isn’t fixed
Time to fix 10–30 minutes
Tools needed None (measuring cup for detergent, optional cleaning cloth)

What the SD error means

SD stands for “Suds Detected.” Maytag washers have a sensor that monitors suds levels during the wash and spin cycles. When too much foam builds up, the machine pauses the normal cycle, runs additional rinse steps to break down the suds, and may extend the overall cycle time. This is a protective measure, not a mechanical fault, and it’s most commonly caused by using regular detergent instead of High Efficiency (HE) detergent in an HE washer.

Common causes

  • Using non-HE detergent in a High Efficiency washer
  • Adding too much detergent for the load size or soil level
  • Detergent buildup residue coating the tub or dispenser drawer
  • Using bar soap, bubble bath, or other non-laundry cleaning products
  • Washing a very small load with a full detergent dose
  • A dispenser drawer clogged with old detergent residue

How to fix the SD error

  1. Let the cycle finish: The washer will automatically run extra rinses to clear the suds — avoid opening the door or restarting the cycle mid-way.
  2. Switch to HE detergent: Check your detergent bottle for the “HE” symbol. Standard detergent creates far too many suds for modern washers and is the most common cause of this error.
  3. Reduce your detergent amount: Use only the recommended dose from the cap or dispenser markings, and cut back further for small or lightly soiled loads.
  4. Run a clean cycle: Use the washer’s dedicated clean cycle (or an empty hot wash with washing machine cleaner) to remove built-up residue from the tub and dispenser drawer.
  5. Clean the dispenser drawer: Remove the drawer and rinse it under warm water to clear any dried detergent blocking proper dosing.
  6. Check for the error recurring: If SD appears repeatedly even with correct detergent use, the suds sensor itself may need inspection by a technician.

If your washer shows other fault codes alongside or instead of SD, it may be worth checking related guides such as the Maytag Washer F1 Error Code: Causes and Fixes for control board issues, the Maytag Washer F2 Error Code: Causes and Fixes for keypad problems, the Maytag Washer F3 Error Code: Causes and Fixes for temperature sensor faults, or the Maytag Washer F5 Error Code: Causes and Fixes for door lock problems.

FAQ

Is the SD error dangerous to my washer?
No. It’s a protective feature that runs extra rinses to clear suds. It won’t damage the machine, but repeated occurrences mean you should adjust your detergent use.

Why does my washer show SD even with a small amount of detergent?
If you’re using regular (non-HE) detergent, even a small amount can produce too many suds for the washer’s low water levels, triggering the code.

Will the SD error clear on its own?
Yes, in most cases the washer automatically runs extra rinse cycles and clears the code once suds levels drop. If it keeps returning, check your detergent type and dosage.