How to fix error code UC on Samsung washing machine
The UC error code on a Samsung washing machine indicates a problem with the voltage supply. Unlike other voltage-related errors like 9C1, 9C2, 9E1, and 9E2, which specify either low or high voltage, the UC error is more general and simply points to an abnormal voltage. This means the machine is not receiving the expected voltage level (usually around 110 volts) and is unable to function properly.
Here's what you can do about the UC error