Error code E66 on a GE washer indicates a problem with the water temperature sensor, also known as the thermistor. During wash cycles, the washer heater element warms the water to the desired temperature depending on the selected cycle. The thermistor plays a crucial role by:
- Sensing the water temperature.
- Sending this information to the control board.
The E66 code signifies the control board isn't receiving a proper signal from the thermistor. This could be due to a malfunctioning thermistor, a loose connection, or an issue with the control board itself.
Here's an explanation of the E66 code, its causes, and troubleshooting steps
Possible Causes of E66 Error
- Faulty Thermistor: Over time, the thermistor can malfunction and become unable to sense or transmit accurate water temperature readings.
- Loose Wiring Connection (Less Common): The wiring connection between the thermistor and the control board might be loose or damaged, disrupting the signal transmission.
- Faulty Control Board (Less Common): In rare cases, the control board itself might be malfunctioning and unable to interpret the signal from the thermistor.
Troubleshooting Steps for E66 Error
Due to the involvement of delicate components and potential water leaks, there aren't many recommended DIY troubleshooting steps for E66. Attempting to fix the thermistor, wiring connection, or control board yourself is not recommended.
Recommendation
- Contact a qualified appliance repair technician: They can diagnose the problem more precisely based on your washer model and error code. This might involve:
- Testing the thermistor for functionality.
- Checking the wiring connection between the thermistor and the control board.
- Inspecting the control board for potential issues (if necessary).
Repair Options
Depending on the diagnosis, the repair might involve:
- Replacing the Thermistor: If the thermistor is faulty, the technician will likely recommend replacing it.
- Fixing the Wiring Connection (Less Common): The technician can secure any loose or damaged wiring connections.
- Repairing or Replacing the Control Board (Less Common): In rare cases, the control board might need repair or replacement.
Important Note
- Safety First: Unplug the washer from the power outlet before any troubleshooting steps.
- Consult User Manual: Refer to your user manual for specific instructions related to your GE washer model.
By understanding the E66 code and its potential causes, you can consult a qualified appliance repair technician for a proper diagnosis and repair to ensure your washer heats water to the appropriate temperature for optimal cleaning performance in different wash cycles.