What UB1 Means
UB1 is a specific unbalanced-load code on Samsung’s WD90F53AVS/US Laundry Combo service manual: the load contains waterproof items, such as rain gear or a mattress protector, which do not spin evenly.
Common Causes of UB1
- Waterproof or water-resistant items included in the load
🔧 One Safe Check You Can Try
Remove the waterproof items and wash them separately by hand or on a dedicated cycle, then tap Start to restart the rest of the load. If you are not removing them, turn the Laundry Combo off, wait two to three minutes, and turn it back on to try again.
⚠ Why You Shouldn't Go Further Than That
- This is a load issue, not a part failure; there is nothing here for a technician to fix.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.

