Error Code UC
The washer is getting unstable power
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: UC
What This Means
Power condition fault — under or over voltage supplied; Extension cords are being used causing voltage drop; Main PBA fault
What actually causes this:
The washer is on an extension cord that causes voltage drops, or the home's electrical supply is unstable
First Thing to Check
Unplug the washer from any extension cord and plug it directly into a wall outlet
Parts Involved
How to Fix
- 1
1. Check the consumer's power conditions
- 2
2. Check the operating voltage at the internal power terminals during Wash or Spin cycles
- 3
3. Observe the washing machine's operation carefully for voltage fluctuations
- 4
4. Check for under and over voltages
- 5
5. Check if an extension cord is used — a 1m extension cord can produce a momentary voltage drop up to 10 VAC
- 6
6. If Main PBA defect, replace Main PBA
This Error Applies To
Samsung WA45T3200AW Series Washers (2024) (2024–present)
Related Error Codes
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The water inside the washer is dangerously hot
The dryer temperature sensor has failed
The washer has detected a water leak
Water is leaking from inside the washer
Too much water is filling the washer
The washer cannot detect where the clutch is positioned
A temperature sensor is giving abnormal readings