Category: Dishwasher

  • How to Fix Bosch Dishwasher Error E03

    How to Fix Bosch Dishwasher Error E03

    Error Code: E03 Difficulty: Hard

    Problem: Main control board relay fault.

    How to Fix E03 Error (Step-by-Step)

    1. Shut off the power and water supply to the dishwasher.
    2. The water inlet valve is usually located at the bottom front of the dishwasher, behind the lower access panel. Remove the panel to access it.
    3. Disconnect the water supply line and the outlet hose from the valve. Have a towel ready for any residual water.
    4. Disconnect the wire harness from the valve. Remove the screws holding the valve in place and take it out.
    5. Install the new water inlet valve, ensuring all connections are tight. If the issue persists, replace the main control board by removing the door panel to access it.
    6. Reconnect all wiring to the new control board based on your previous photos.
    7. Reassemble everything, turn the power and water back on, and run a test cycle.
    8. Turn the appliance off, wait about 2 minutes, then turn it back on.

    Still Not Working?
    If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.




  • How to Fix Bosch Dishwasher Error E01

    How to Fix Bosch Dishwasher Error E01

    Error Code: E01 Difficulty: Hard

    Problem: Heat pump motor circuit fault at the main control board.

    How to Fix E01 Error (Step-by-Step)

    1. Disconnect the dishwasher from power by turning off the circuit breaker.
    2. To access the control board, you will likely need to remove the outer door panel by unscrewing the Torx screws around the inner door perimeter.
    3. Carefully detach the control panel from the door, paying attention to the wire harnesses connected to it.
    4. Take a photo of the wire connections before disconnecting them from the old control board.
    5. Gently disconnect the wires and remove the old control board.
    6. Install the new control board, reconnect the wire harnesses as they were previously, and reassemble the door and control panel.
    7. Restore power to the dishwasher and run a test cycle.
    8. Turn the appliance off, wait about 2 minutes, then turn it back on.

    Still Not Working?
    If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.