Skip to main content
Error code reference
Samsung Washer Error Code UB1
Unbalance error caused by waterproof items such as tarpaulin or waterproof flat covers.
SourceSamsung WD90F Laundry Combo - Service Manualp. 76
Diagnostic procedure
The full UB1 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Remove waterproof items, then tap Start to restart the Laundry Combo; or turn it off and on again after 2-3 minutes.
SourceSamsung WD90F Laundry Combo - Service Manualp. 76
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock UB1 procedure $9.95
Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.
Where this code is documented
2 manuals in the MyPros+ library document this code for Samsung washer.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax