The Whirlpool Duet Dryer E1 Error Code indicates that the control system has detected an open thermistor. This error code is primarily related to issues with the thermistor or the wiring connected to it. Understanding the exact cause of this error can help you diagnose and fix the problem efficiently.

What Does Error E1 Mean?

Error E1 on a Whirlpool Duet Dryer is a diagnostic code that signifies the control board has detected an issue with the thermistor. The thermistor is a critical component that monitors the temperature inside the dryer drum. If it is not functioning correctly, the dryer may not heat properly, or it might shut down unexpectedly.

Common Causes of Error E1

The most common cause of the E1 error in Whirlpool Duet Dryers is an open thermistor. This could be due to several reasons:

• Wiring Issues: Loose or damaged wiring between the control board and the thermistor can cause the E1 error. It's essential to inspect the wiring harness for any signs of wear, disconnection, or damage.
• Faulty Thermistor: The thermistor itself could be defective. Over time, thermistors can fail due to wear and tear, leading to inaccurate temperature readings or a complete failure to communicate with the control board.
• Control Board Problems: Although rare, the control board might misinterpret the signals from the thermistor or report false errors. This is not a common cause, but it's a possibility to consider if all other components are functioning correctly.

Steps to Diagnose and Fix Error E1

To diagnose and potentially fix the Error E1 on your Whirlpool Duet Dryer, follow these steps:

1. Inspect the Wiring: Check all connections between the thermistor and the control board. Ensure there are no loose, disconnected, or damaged wires.
2. Test the Thermistor: Use a multimeter to test the resistance of the thermistor. A faulty thermistor will typically show an open circuit or an incorrect resistance value. The resistance chart below shows the resistances to check for.
3. Replace the Thermistor: If the thermistor is determined to be faulty, replacing it is the most effective solution. Always use a manufacturer-approved replacement part to ensure proper functionality.
4. Check the Control Board: If the thermistor and wiring are in good condition, the control board may need further inspection by a professional technician.