Samsung washer dryer combo error code

UC Low voltage or motor check

The machine detected low supply voltage, or the pulsator motor needs to be checked.

Try these free fixes first

Unplug the washer dryer combo before opening any panel.

  1. Make sure the power cord is plugged firmly into a wall outlet, not an extension cord.
  2. Check that other appliances on the same circuit are working normally.
  3. Restart the cycle.

Still showing UC?

If the power supply is fine and UC continues, contact Samsung; an electrician can check the outlet voltage.

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Questions people ask

What does UC mean on a Samsung washer dryer combo?

UC on a Samsung washer dryer combo means: low voltage or motor check. The machine detected low supply voltage, or the pulsator motor needs to be checked.

How do I fix Samsung washer dryer combo error UC?

Make sure the power cord is plugged firmly into a wall outlet, not an extension cord. Check that other appliances on the same circuit are working normally. Restart the cycle.

When should I call a repair technician?

If the power supply is fine and UC continues, contact Samsung; an electrician can check the outlet voltage.

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Source: Samsung official support · Reviewed 2026-10-01