I'm happy to help with this, IMVintage! The DC error code is related to the door, its latch, and the sensors that detect whether they are secured correctly. This can happen when the door won't stay closed, or won't close or latch. Check that the latch is securely fixed, laundry or other items are not caught in the door, and the door is closed and secured correctly. I can also provide this link (https://bit.ly/3vXSzxm) to the user manual for this model. Page 31 begins the section on how to reverse the door. ^Jecca