Fault Code OE: OE error code on the dishwasher display is telling you that the unit is detecting a drain issue.
Fault: OE error code on the dishwasher display is telling you that the unit is detecting a drain issue.
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.