Category: Bosch

  • How to Fix Bosch Washer Error F31

    How to Fix Bosch Washer Error F31

    Error Code: F31 Difficulty: Easy

    Problem: Maximum water level exceeded.

    How to Fix F31 Error (Step-by-Step)

    1. Press the cancel or stop button to end the current cycle and drain the excess water.
    2. Unplug the washer from the power source and confirm the error stays cleared during a full test cycle.
    3. Check the drain hose for any clogs or kinks that might be preventing proper drainage.
    4. Locate and clean the drain pump filter, which is usually accessible through a small door on the front of the washer.
    5. If the washer is still overfilling, the pressure switch, which senses the water level, may be malfunctioning.
    6. To check the pressure switch, you will need to access it by removing a panel and inspect the hose for blockages and the switch for defects.
    7. 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 Refrigerator Error E01

    How to Fix Bosch Refrigerator Error E01

    Error Code: E01 Difficulty: Moderate

    Problem: Refrigerator compartment temperature sensor is faulty.

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

    1. Disconnect the refrigerator from the power source for safety and confirm the error stays cleared during a full test cycle.
    2. Locate the refrigerator compartment temperature sensor. It is typically found on the interior side wall or ceiling.
    3. Carefully remove any shelves or drawers that may be obstructing access to the sensor.
    4. Disconnect the wire harness attached to the old sensor and confirm the error stays cleared during a full test cycle.
    5. Remove the old sensor. It may be held in place by a clip or a screw.
    6. Install the new temperature sensor, ensuring it is securely in place.
    7. Reconnect the wire harness, replace any shelves or drawers, and restore power to the refrigerator.
    8. Turn the appliance off, wait about 2 minutes, then turn it back on.

    Next Steps and Parts

    Verified Compatible Alternatives:

    • 00618543
    • 00625294
    • 00627548

    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 E28

    How to Fix Bosch Dishwasher Error E28

    Error Code: E28 Difficulty: Hard

    Problem: AquaSensor (turbidity sensor) fault.

    How to Fix E28 Error (Step-by-Step)

    1. Disconnect the dishwasher from power and water supplies for safety.
    2. Carefully pull the dishwasher out from under the counter to access its components.
    3. Locate the AquaSensor, which is usually found in the sump area at the bottom of the dishwasher tub.
    4. Disconnect the wiring harness attached to the old sensor and confirm the error stays cleared during a full test cycle.
    5. Remove the old sensor by twisting it counter-clockwise and pulling it out.
    6. Install the new AquaSensor by pushing it in and twisting it clockwise to lock it into place.
    7. Reconnect the wiring harness, slide the dishwasher back into place, and restore power and water.
    8. Turn the appliance off, wait about 2 minutes, then turn it back on.

    Next Steps and Parts

    Verified Compatible Alternatives:

    • 00424099
    • 00611317

    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 Washer Error F34

    How to Fix Bosch Washer Error F34

    Error Code: F34 Difficulty: Moderate

    Problem: Door lock error.

    How to Fix F34 Error (Step-by-Step)

    1. Make sure the washer door is fully closed and that no clothing is caught in the latch.
    2. Unplug the washer for at least 5 minutes to reset the control board, then plug it back in and try again.
    3. If the error continues, the door lock assembly is likely faulty. To replace it, first, unplug the washer.
    4. Open the washer door and remove the metal or spring clamp that holds the door boot seal in place.
    5. Peel back the door boot seal to access the door lock assembly.
    6. Disconnect the wiring harness from the door lock and remove the screws holding it in place.
    7. Install the new door lock assembly, reconnect the wiring, and reassemble the door boot seal and clamp.
    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 E09

    How to Fix Bosch Dishwasher Error E09

    Error Code: E09 Difficulty: Hard

    Problem: Internal heater fault within the heat pump.

    How to Fix E09 Error (Step-by-Step)

    1. Turn off the power to the dishwasher at the circuit breaker.
    2. Shut off the water supply to the dishwasher and confirm the error stays cleared during a full test cycle.
    3. Carefully slide the dishwasher out from its installation space and confirm the error stays cleared during a full test cycle.
    4. Lay the dishwasher on its back to access the heat pump at the bottom.
    5. Disconnect the electrical connectors and hoses attached to the heat pump assembly.
    6. Remove the screws or clips holding the heat pump in place and remove the old unit.
    7. Install the new heat pump assembly, reconnect all hoses and electrical connectors, and secure it in place before reassembling the dishwasher.
    8. Turn the appliance off, wait about 2 minutes, then turn it back on.

    Next Steps and Parts

    Verified Compatible Alternatives:

    • Heat Pump Assembly

    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 E04

    How to Fix Bosch Dishwasher Error E04

    Error Code: E04 Difficulty: Hard

    Problem: Faulty electronics in the self-test, often related to the heater.

    How to Fix E04 Error (Step-by-Step)

    1. Disconnect the dishwasher from its power source and confirm the error stays cleared during a full test cycle.
    2. The flow sensor is located in the water inlet assembly. You will need to pull the dishwasher out from under the counter to access this on the side.
    3. Disconnect the hoses and wire harness from the flow sensor assembly and replace it with the new part.
    4. The heating element is located at the bottom of the dishwasher tub. You will need to access the bottom of the dishwasher.
    5. Disconnect the wires from the heating element terminals. Use pliers to remove the nuts holding the element in place.
    6. Gently pry out the old heating element and install the new one, ensuring the rubber seals are seated correctly.
    7. Reconnect all wires and hoses, slide the dishwasher back into place, restore power, and test.
    8. Turn the appliance off, wait about 2 minutes, then turn it back on.

    Next Steps and Parts

    Verified Compatible Alternatives:

    • Heating Element

    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 Washer Error F37

    How to Fix Bosch Washer Error F37

    Error Code: F37 Difficulty: Hard

    Problem: Faulty NTC (temperature sensor).

    How to Fix F37 Error (Step-by-Step)

    1. Unplug the washing machine from the power outlet and confirm the error stays cleared during a full test cycle.
    2. Access the back of the machine to locate the NTC sensor on the heating element.
    3. Disconnect the wiring from the sensor and confirm the error stays cleared during a full test cycle.
    4. Carefully unclip or unscrew the old NTC sensor from its housing.
    5. Install the new NTC sensor, making sure it is securely in place.
    6. Reconnect the wiring to the new sensor and confirm the error stays cleared during a full test cycle.
    7. Reassemble the back panel and test the machine and confirm the error stays cleared during a full 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 Washer Error F38

    How to Fix Bosch Washer Error F38

    Error Code: F38 Difficulty: Hard

    Problem: Fault NTC (temperature sensor) short circuit.

    How to Fix F38 Error (Step-by-Step)

    1. Disconnect the washer from its power source and confirm the error stays cleared during a full test cycle.
    2. Open the top or back panel to access the internal components.
    3. Locate the 3D sensor, which is typically mounted on the tub assembly.
    4. Disconnect the wiring harness connected to the sensor and confirm the error stays cleared during a full test cycle.
    5. Remove the screws or clips holding the 3D sensor in place and remove it.
    6. Mount the new 3D sensor and secure it and confirm the error stays cleared during a full test cycle.
    7. Reconnect the wiring harness and reassemble the washer and confirm the error stays cleared during a full 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 Washer Error F40

    How to Fix Bosch Washer Error F40

    Error Code: F40 Difficulty: Easy

    Problem: Synchronization error.

    How to Fix F40 Error (Step-by-Step)

    1. Turn the washing machine off by turning the dial to the ‘Off’ position.
    2. Unplug the washer from the power outlet and confirm the error stays cleared during a full test cycle.
    3. Wait for at least 5 minutes to allow the internal electronics to reset.
    4. Plug the washer back into the power outlet and confirm the error stays cleared during a full test cycle.
    5. Turn the dial to a wash cycle and press ‘Start’.
    6. If the error persists, check for any visible loose connections on the control board (if comfortable doing so after unplugging the machine).
    7. 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 Washer Error F43

    How to Fix Bosch Washer Error F43

    Error Code: F43 Difficulty: Hard

    Problem: Motor error.

    How to Fix F43 Error (Step-by-Step)

    1. Disconnect the washing machine from the power supply and confirm the error stays cleared during a full test cycle.
    2. Remove the rear panel to get access to the motor.
    3. Take a picture of the wiring connections to the motor for reference.
    4. Disconnect the wiring harness and any ground wires from the motor.
    5. Loosen and remove the bolts that secure the motor to the tub.
    6. Carefully remove the motor from the machine and confirm the error stays cleared during a full test cycle.
    7. Install the new motor, secure it with the bolts, and reconnect all wiring as per your reference picture.
    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.