Dishwasher shows F7E1; water does not heat; cycles may run long and dishes are not dried.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Open heating element, Failed high-limit thermostat, Faulty control board heater relay, Wiring issue to heater

Safety First: Disconnect power before testing heater circuits.

Check heating element: Inspect the element under the tub for visible breaks or burn marks. Test resistance with a multimeter; replace if open.
Test high-limit thermostat: Locate the high-limit thermostat (usually on the tub or heater housing). Check for continuity; replace if open.
Inspect wiring: Ensure all heater and thermostat connections are tight and not burnt.
Control board: If heater and thermostat test good, the control board may not be energizing the heater and will need replacement.

Hard 4/5

Heating Element, High-Limit Thermostat, or Main Control Board

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