Samsung Washing Machine Error UC: What It Means and How to Fix It
Short answer
UC on a Samsung washing machine means: fluctuation in supply voltage, low voltage, or an electronic control error. First step: Check the power cord is plugged in properly.
Supply voltage fluctuation / low voltage
How to fix it
- 1Check the power cord is plugged in properly.
- 2Do not connect via other equipment or an extension cable.
- 3Power off 1 minute, power on, restart.
- 4If the code persists, contact Samsung customer service.
When to call a professional: If it repeats, Samsung Service.
Applies to: Samsung washing machines
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Source
Based on Samsung's official error code information: Samsung UK – What do the codes on my washing machine mean?. Last checked 2026-10-28. Codes and their meaning can differ by model and region; check your appliance's manual.
Frequently asked questions
What does Samsung washing machine error code UC mean?
Fluctuation in supply voltage, low voltage, or an electronic control error.
How do I fix UC on a Samsung washing machine?
Check the power cord is plugged in properly. Do not connect via other equipment or an extension cable. Power off 1 minute, power on, restart. If the code persists, contact Samsung customer service.
When should I call a technician for UC?
If it repeats, Samsung Service.