Samsung Washer Error UB

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How to fix Samsung washer error UB

Start with the safest checks and work from simple to technical.

1. 1

   Pause cycle and redistribute laundry evenly

   Pause cycle and redistribute laundry evenly.

2. 2

   Reduce load size to maximum 80% drum capacity

   Reduce load size to maximum 80% drum capacity.

3. 3

   Ensure machine is level on solid floor (use

   Ensure machine is level on solid floor (use carpenter's level on drum).

4. 4

   Check that shipping bolts were completely removed during

   Check that shipping bolts were completely removed during installation (4 bolts at rear of drum with plastic caps).

5. 5

   Inspect drum bearings for excessive play by lifting

   Inspect drum bearings for excessive play by lifting drum vertically at 12 o'clock position - should have

6. 6

   Test spin cycle empty to verify mechanical balance

   Test spin cycle empty to verify mechanical balance before reloading.

7. 7

   Restart the washer and confirm the UB message

   Restart the washer and confirm the UB message returns under the same condition instead of after a one-time interruption.

8. 8

   Check the simple causes first

   Check the simple causes first: load balance, water supply, drain flow, door or lid closure, visible leaks, and power stability.

9. 9

   Inspect accessible wiring connectors and moisture-prone areas before

   Inspect accessible wiring connectors and moisture-prone areas before assuming the control board has failed.

10. 10

    Use the complete Samsung washer model number from

    Use the complete Samsung washer model number from the door, lid, or rear tag before matching any pump, valve, sensor, suspension, lock, or board category.

11. 11

    If the UB code points to a specific

    If the UB code points to a specific system, test that system directly before ordering replacement parts.