UC
Samsung Input Voltage Fluctuation Error

Washer displays UC; cycle may pause or not start.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Unstable mains voltage, Loose power plug, Faulty noise filter or power cord

How to Fix / Troubleshooting

Safety: Do not operate the washer on an unstable power source.

  • Check connection: Ensure the power cord is firmly plugged into a grounded outlet.
  • Test outlet: Use a meter to verify stable voltage. Avoid using generators or long extension cords.
  • Inspect power cord and filter: Replace damaged power cord or noise filter if overheating or burning is evident.
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Repair Difficulty

Medium 3/5

Required Part

Power Cord
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