KitchenAid Dishwasher Error Code F7E2

F7E2 indicates a heater stuck-on fault, meaning the control board has detected that the heating element is energized when it should be off. The fault points to a problem in the heater drive circuit on the control board itself. The dishwasher flags this condition to prevent overheating damage to internal components and surrounding cabinetry.

Running the dishwasher with an active F7E2 fault is not recommended. A heater stuck in the on position can cause excessive heat buildup inside the tub, potentially damaging plastic components, the wiring harness, or nearby cabinetry. Disconnect power to the dishwasher until the fault is diagnosed and repaired.

Repair costs for F7E2 vary depending on which components need replacement. A replacement control board typically represents the largest expense, with parts alone ranging from roughly $100 to $300 depending on the specific model. If the heating element also requires replacement, parts costs will increase further. Adding professional labor, total repair costs can range from approximately $150 to $450 or more.

The primary fix for F7E2 is replacing the control board, which is a moderately complex repair involving disconnecting the power supply and accessing internal components. A knowledgeable DIYer comfortable with appliance repair can complete this job, but it does require safely working around electrical components. Before replacing the control, you should also inspect the heater and wiring connections for signs of overheating or shorting, as a damaged heater can cause a repeat failure.

Resetting the dishwasher by disconnecting power may temporarily clear the code, but F7E2 will return if the underlying fault in the heater drive circuit has not been corrected. Because this error points to a hardware failure on the control board or a shorted heating element, a reset alone does not resolve the problem. The control board and heater components need to be inspected and repaired before the fault will clear permanently.