Error Code UB
The laundry inside the drum is bunched up on one side, causing vibration
Moderate
Address soon - your appliance may not work properly
Also displayed as: UB
What This Means
Laundry contents causing unbalanced situation; Overloaded drum; Single heavy item (like a blanket) not balanced with other items; Washer not level on the floor
What actually causes this:
A heavy item like a towel or blanket shifted to one side of the drum during the spin cycle
First Thing to Check
Open the door, spread the laundry out evenly in the drum, and restart
Parts Involved
How to Fix
- 1
1. Check the type of laundry — determine if items may cause an unbalanced situation
- 2
2. Reposition the contents so the load is spread evenly in the drum
- 3
3. If overloaded, remove a few items
- 4
4. Press Start to continue and complete the wash cycle
- 5
5. Verify the washer is level on the floor
This Error Applies To
Samsung WF45A6400A Series Washers (2024) (2024–present)
Related Error Codes
A button on the control panel is stuck or pressed in
The washer thinks the door is open
The door lock mechanism is not engaging properly
The small add-door on the front of the washer is open
The small add-door lock motor is not working correctly
The water heater inside the washer is not working right or the washer is overheating
The washer overheated and shut itself off for safety
The washer is filling with too much water and cannot stop