Without a full model number for your GE Profile Performance refrigerator, I am unable to access the specific technical information such as the wiring diagram and parts list diagram. The basic technical information on the dE error code is provided in the image below. This information indicates that the control board did not detect any defrost action in the refrigerator during the previous 48 hours. Under certain circumstances described below, this could be normal. If your refrigerator meets the criteria described (
If the above situation does not apply, then you will need to diagnose and repair the automatic defrost system in the refrigerator. Resubmit your question with the full model number of your refrigerator and we will help you with this task if needed.