Service Guy AI • Washer • Medium severity • Intermediate skill • ~30 min repair
Quick fix:Redistribute the load evenly in the drum and try running the cycle again.
What Does Speed Queen Error Code Ub Mean?
Speed Queen washer error: Unbalanced load
This is a medium-severity fault. The machine may complete the current cycle but is signalling a problem you should resolve before it escalates.
Possible Causes (5)
Speed Queen engineers identify the following root causes for fault code Ub. Work through them in the order shown — they are listed from most common to least common.
Load is unevenly distributed in the drum
Excessive weight in the load
Worn or damaged suspension springs
Faulty shock absorbers
Improper leveling of the washer
Step-by-Step Troubleshooting (6 steps)
Follow this sequence to diagnose and clear Speed Queen error code Ub. Power down and unplug the machine before any internal inspection.
Disconnect power before servicing.
Check the load distribution in the drum and redistribute items evenly.
Remove excess items if the load is too heavy.
Inspect suspension springs for wear or damage.
Examine shock absorbers for proper function.
Ensure the washer is level on the floor.
Required Parts
Have these Speed Queen OEM part numbers ready before starting the repair. AAdvantage Laundry Systems carries verified parts for every code in this database.
Suspension spring
Shock absorber
Control board
Diagnostic Test Mode
Enter Speed Queen diagnostic test mode: Press 'Delicates + Cold' buttons simultaneously
Skill Level & Repair Time
This repair is appropriate for an experienced laundromat owner or in-house technician. You should be comfortable removing service panels, reading wiring diagrams, and using a multimeter to test continuity and voltage. Plan for approximately 30 minutes of active repair time once parts are on hand.
Get AI-Powered Diagnosis
If the steps above don't resolve Speed Queen Ub, run a free Service Guy AI diagnosis. Upload a photo of the error display and get an AI-generated repair plan tied to your exact Speed Queen model number, including supplier links for required parts and on-call technician escalation.