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Error code reference

Samsung Washer Error Code Ub

Unbalance error-caused by uneven distribution of laundry or hall sensor motor failure.

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What the Ub error code actually means

Your Samsung washer is showing a Ub error because it detected that the laundry inside the drum is unevenly distributed, causing it to wobble during the spin cycle. This often happens with heavy items like towels that bunch up on one side. If rearranging the laundry does not fix it, there may be a problem with a motor sensor inside the machine.

Diagnostic procedure

The full Ub procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check if laundry content is causing imbalance; redistribute water-absorbing items (towels) evenly.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of Ub

Ranked by how often they cause this code
  1. 1Uneven laundry distribution
  2. 2Overloaded or underloaded drum
  3. 3Washer not level on the floor
  4. 4Hall sensor failure
  5. 5Drive motor fault

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Questions people ask about Ub

What does Ub mean on a Samsung washer?
The Ub code on a Samsung washer means the machine has detected an unbalanced load during the spin cycle. It is triggered when the control board, using feedback from the hall sensor on the drive motor, senses that the drum weight is unevenly distributed. The error can result from laundry bunching up on one side of the drum or, less commonly, from a hall sensor or motor failure. In most cases, redistributing the laundry and restarting the cycle will clear the code.
Is it safe to keep using my Samsung washer when it shows the Ub error?
The washer is designed to stop and display the Ub code rather than continue spinning with a dangerous imbalance, so the error itself is a safety feature. Running the machine repeatedly through failed spin cycles is not recommended, as persistent heavy vibration can stress drum bearings, suspension components, and the cabinet over time. Resolve the cause of the imbalance before continuing regular use.
How much does it cost to repair a Samsung washer showing the Ub error?
If the cause is simply an unbalanced load or leveling issue, there is no parts cost involved. If the hall sensor has failed, parts and labor can typically range from around $100 to $250 depending on the specific model and local labor rates. A drive motor replacement is more involved and can range from $200 to $400 or more. Getting a diagnostic from a qualified technician before ordering parts is recommended to confirm which component has failed.
How do I fix the Ub error on my Samsung washer?
Start by opening the washer and manually redistributing the load so items are spread evenly around the drum. Pay particular attention to heavy, water-saturated items like towels, which tend to clump together. Restart the cycle and see if the error returns. If it does after multiple attempts with properly balanced loads, the issue may be a faulty hall sensor or motor that requires further diagnosis.
Will resetting the washer clear the Ub error code?
A reset may clear the error code from the display, but it will not resolve the underlying cause. If the load is still unevenly distributed, or if a hall sensor or motor fault is present, the code will return during the next spin attempt. Address the root cause first, then restart the cycle for a lasting fix.

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