Samsung Washing Machine Error UC

⚡ Quick Answer: The Samsung Washing Machine UC error code indicates an unbalanced load condition, often resulting in excessive vibrations or shaking during the spin c... ✅ DIY Fixable

What Does Error UC Mean?

The Samsung Washing Machine UC error code indicates an unbalanced load condition, often resulting in excessive vibrations or shaking during the spin cycle. This can occur due to unstable mains voltage or faulty electrical connections. Power supply irregularities may cause the washer's control system to halt operation, displaying the UC code either during the start of the cycle or mid-cycle.

Common Symptoms:

  • Error code UC appears on display during or right after start of cycle
  • Machine may stop mid‑cycle with UC code
  • Occurs even when water fill or spinning begins

Possible Causes

  • Unstable mains voltage (overvoltage or undervoltage) (medium)
  • Loose or faulty electrical connection (socket, cord, plug) (medium)

How to Fix Error UC

DIY Fix Check electrical supply and reset

  1. Turn off and unplug the washing machine from the outlet
  2. Inspect the power cord, plug, and wall socket for visible damage
  3. Wait a few minutes, then plug back in and restart a wash cycle
  4. If available, try a different dedicated outlet

Technician Only Inspect and stabilize power supply / internal wiring

  1. Measure mains voltage at the outlet under load to confirm stability
  2. Check internal wiring connections and grounding at the machine
  3. Test and, if necessary, replace the voltage sensing/control board
  4. Recommend installation of a voltage stabilizer or dedicated circuit if home supply fluctuates

Parts needed: Multimeter for voltage testing, Control board or voltage sensing module (if faulty)

🛑 When to Call a Pro:
  • Error persists after checking/replacing outlet and cord
  • Voltage at home supply is unstable or out of normal range
  • Internal electrical component failure suspected

Next step

Choose the next step for UC

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Other parts options

Check related components first; use model search as a fallback.

Model number required

Model-compatible Washing Machine parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Washing Machine Cleaner Tablets

Routine tub-cleaning supplies for residue and odor control. They do not repair a mechanical, drainage, or electronic fault.

View maintenance supply
Maintenance supply

Braided Washer Inlet Hoses

A maintenance replacement option for visibly worn external fill hoses. Verify thread size, length, and hot/cold connection requirements.

View maintenance supply
Maintenance supply

Washer Drain Hose Holder

Helps secure an external drain hose at the standpipe. It does not correct an internal pump or control fault.

View maintenance supply

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Technical Specifications

wattage 500W
component Suspension System
resistance N/A
part_number DC97-16959B
voltage_rating 120V AC

Common Questions

What does UC error mean on Samsung Washing Machine?

UC error indicates an unbalanced load, often causing excessive vibrations and stopping the machine mid-cycle.

Can I fix Samsung Washing Machine UC error myself?

Yes, check the electrical supply and ensure connections are secure. Reset the machine after inspection.

How much does it cost to fix UC error?

Repair costs range from ¥8,000 to ¥40,000+, depending on parts and labor needed.

When should I call a technician for UC?

Call a technician if the error persists after checking the outlet, or if unstable voltage is suspected.

Sources & References

Data last verified: 2026-07-22

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