Kenmore Dishwasher Error Code E1

E1 on a Kenmore dishwasher indicates a heating system fault. The control board has detected a problem in the circuit that heats the wash water, which can involve the heating element, Hi-Limit thermostat, flow switch, NTC temperature sensor, or the heater relay on the control board. The dishwasher will not complete a normal cycle until this fault is resolved.

Resetting the dishwasher may temporarily clear the E1 code, but it will return as soon as the control attempts to run the heating cycle again and detects the same fault. A reset does not repair any of the underlying components. The only way to permanently clear E1 is to identify and replace the defective component in the heating circuit.

Repair costs depend on which component has failed. A replacement heating element typically costs between $20 and $60 for the part, while a control board can range from $80 to $200 or more. If you hire a technician, expect to add $75 to $150 or more for labor depending on your area. Diagnosing the specific failed component first will help you avoid unnecessary parts replacement and keep costs down.

Start by running the dishwasher's built-in test program and use a clamp meter to measure current draw during heating steps S:04 and S:05. If the current reads approximately 11 amps, the heater system is functioning correctly and the fault may be intermittent. If it reads approximately 1.5 amps, the heater circuit is interrupted and you need to test each component individually: the heating element, Hi-Limit thermostat, NTC sensor, flow switch, and the control board relay. Use a multimeter to check resistance and continuity across each component to identify the failed part.

The E1 code is actually a protective response, as the dishwasher stops operation when it detects the heating system is not working correctly. This helps prevent potential overheating or component damage. However, you should not repeatedly attempt to run cycles while the fault is active, and any electrical component inspection or replacement should be done with the dishwasher fully unplugged from power.