Fault Code FE: FE error on your dishwasher means that your unit has a filling error.
Fault: FE error on your dishwasher means that your unit has a filling error.
LG Dishwasher displaying error code? If you have a newer LG dishwasher, you may see error codes show on the digital display. An error code is the computers diagnostic system telling you there is a problem. The specific error code will tell you what is wrong with your dishwasher.