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Error code reference

Kenmore Dishwasher Error Code F1E1

Control detected K400 pilot relay stuck closed.

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What the F1E1 error code actually means

Your dishwasher's control board has detected an internal switch that is stuck in the on position and cannot turn off. This can happen because the switch itself has failed, or because one of the parts it powers has a short circuit that damaged it. The dishwasher has stopped normal operation to prevent any further damage.

Diagnostic procedure

The full F1E1 procedure

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1
First diagnostic step
Unplug dishwasher or disconnect power. Check all loads on K400 pilot relay for shorts. Replace control and all shorted components.
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Most common causes of F1E1

Ranked by how often they cause this code
  1. 1Failed K400 relay on control board
  2. 2Shorted wash motor or drain motor
  3. 3Shorted heating element
  4. 4Shorted wiring harness
  5. 5Shorted solenoid or valve

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Questions people ask about F1E1

What does F1E1 mean on a Kenmore dishwasher?
F1E1 means the control board has detected that the K400 pilot relay is stuck in the closed position and cannot open. This relay controls one or more electrical loads inside the dishwasher. The fault can originate from a failed relay on the control board itself or from a shorted component that damaged the relay contacts. The dishwasher will not operate normally until the fault is resolved.
Is it safe to use my dishwasher when F1E1 is displayed?
No, you should not attempt to run the dishwasher while F1E1 is active. A stuck-closed relay means a load may be receiving power unintentionally, which presents a risk of overheating or electrical damage. Disconnect power to the unit until the fault has been diagnosed and all shorted components have been replaced.
Will resetting the dishwasher clear the F1E1 error?
Resetting the dishwasher by disconnecting power may temporarily clear the displayed code, but it will not resolve the underlying hardware fault. The K400 relay is physically stuck closed due to a component failure, and the error will return as soon as the control runs its diagnostics again. A proper repair requires replacing the faulty control board and any shorted loads on the relay circuit.
Can I fix the F1E1 error myself?
Diagnosing and repairing F1E1 requires disconnecting power, testing all loads on the K400 relay circuit for short circuits with a multimeter, and replacing both the control board and any shorted components. This is within the skill range of experienced DIYers comfortable working with appliance electronics. However, because it involves the control board and potentially multiple components, many homeowners prefer to hire a technician.
How much does it cost to repair a Kenmore dishwasher F1E1 error?
The cost depends on which components are shorted in addition to the control board. A replacement control board typically costs in the range of $100 to $250 for parts alone. If a motor, heating element, or valve is also shorted and needs replacement, total parts costs could range from $150 to $400 or more. Adding professional labor will increase the total repair cost.

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