⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.
Error Code: E02 Difficulty: Hard
Problem: Main control board relay fault.
How to Fix E02 Error (Step-by-Step)
- Turn off the power to the dishwasher at the circuit breaker.
- Access the bottom of the dishwasher by removing the lower access panel.
- The temperature sensor (thermistor) is located on the sump assembly. Disconnect the wires from the sensor.
- Rotate the sensor to release it and pull it out. Install the new sensor and reconnect the wires.
- If replacing the control board, remove the outer door panel by taking out the screws around the inner door.
- Disconnect the wire harnesses from the control board, remove the board, and install the new one, ensuring all connections are secure.
- Reassemble the dishwasher, restore power, and check if the error is cleared.
- Turn the appliance off, wait about 2 minutes, then turn it back on.
Next Steps and Parts
Recommended Replacement Part
Verified Compatible Alternatives:
- Temperature Sensor (Thermistor)
Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
Most DIY parts are $50–$250. If you have a quote, use the total.
More options (for a better recommendation)
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Expert: Mike Sullivan
EPA Section 608 Certified Technician with 18+ years experience.
Read Editorial Standards →Get the Dishwasher Error Code Guide: https://appliancewhisperer.gumroad.com/l/fdcge