What to check yourself
Step 1. Open the door and redistribute the laundry
Spread it evenly around the drum rather than leaving it balled on one side. One heavy item on its own, a bath mat, a single towel or a pair of jeans, is the classic cause, because there is nothing to counterweight it.
Step 2. Mix item sizes in the load
A drum holding only large items cannot even itself out, and neither can one holding only small ones with a duvet in the middle. Washing a bulky item with two or three towels gives the machine something to balance against.
Step 3. Check the machine is level and standing firm
Push each top corner in turn. Any rock at all means a foot is short, and a machine that rocks reads as unbalanced no matter how the laundry is arranged. Adjust the feet until it sits solid, then tighten the locknuts.
Step 4. On a new machine, check the shipping bolts came out
Worth a look at the back panel if the machine is recently installed. Transit bolts hold the drum rigid and every one has to come out before first use. Left in, they produce heavy vibration and unbalanced readings from the first wash, and delivery crews do not always remove them.
What a technician will look at
Described so you know what you are paying for, not as steps to repeat.
Suspension or bearings
If a properly loaded, level machine still reports it every time, the suspension rods or the drum bearings are worn. This is the one expensive outcome here, and it is worth pricing against a new machine before agreeing to the work.
When to call a technician
Only when a level machine with a mixed, moderate load still refuses to spin. Loud knocking during the spin, or a drum that moves visibly when you rock it by hand, points at suspension or bearings and is worth a call.
What the repair costs
| Repair | Part only | Fitted by a technician |
|---|---|---|
| Redistributing the load, levelling the machine | - | Free |
| Suspension rod or damper replacement | - | $150 to $400 |
| Drum bearing replacement | - | $250 to $600 |
A new machine of the same class runs $500 to $1,500. Once a quote passes about a third of that on an older appliance, the repair stops making sense.
Codes people confuse this with
Questions people ask
- The display looks like dc rather than Ub. Which is it?
- It can genuinely be either, and this is a real quirk of Samsung machines rather than a misread. Lower case dc belongs to the unbalanced load group while capital dC means a door fault, and on a small display the two are near enough identical. Redistribute the laundry first, since it costs nothing; if it comes straight back with the drum evenly loaded, treat it as a door fault instead.
- It appears on every wash now, and it never used to.
- Check the machine is still standing level before anything else. Floors move, feet work loose, and a machine that has been pulled out and pushed back is often left rocking on one corner.
Which machines this applies to
Applies to
Samsung front load and top load washers. Shown as UE on older machines and Ub or U6 on newer ones; some models show Ur.
Last checked
2026-08-09