Error Code UC
The washer is getting the wrong voltage from the outlet
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: UC
What This Means
Power supply voltage is too high or too low; Extension cord (plug receptacle) causing voltage drop; Main PBA fault
What actually causes this:
The electrical outlet voltage is unstable, or the washer is plugged into an extension cord
First Thing to Check
Make sure the washer is plugged directly into a wall outlet, not an extension cord or power strip
Parts Involved
How to Fix
- 1
1. Check the consumer's power conditions and measure the operating voltage
- 2
2. Connect a tester to the internal power terminals during Boil or Dry operations and observe the voltage
- 3
3. Check whether a plug receptacle (extension cord) is being used — 1m extension can drop voltage up to 10V
- 4
4. If the main PBA is at fault, replace it
Other Error Codes for WA55CG7500AV
The washer's motor has stopped working
The washer is not getting any water
The washer is getting too much voltage from the outlet
The washer is not getting enough voltage from the outlet
The heater or temperature sensor has a problem
The washer thinks the lid is open
The door lock mechanism is not working correctly
The washer has too much water inside