Samsung Dishwasher: Error Code 3C

This code indicates a Pump Operation Error. This error means the water pump is not working correctly. The easiest way to troubleshoot this error is to reboot your dishwasher. You can do this by turning it off at the power source and waiting 15 to 20 seconds. Then restart it and see if the error has cleared. If this does not work, you should consult an expert as it may need to be replaced.