Bosch Refrigerator Error [How to Fix]

Bosch refrigerators are classy and efficient. But sometimes, they display some error codes and it is possible not to know how to fix them. So in this article, we show you how to fix Bosch refrigerator error codes.

Bosch refrigerator error
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How to Fix Bosch Refrigerator Error Code AL

If you see the error code ‘AL’ displayed, then you know the freezer section is too warm. Press the off button for ‘Alarm’ on the refrigerator. The error code will disappear from the display. The display will show the exact temperature of the freezer at that point which is making it warm.

Then, set the temperature of the freezer section to the right point. Give the freezer time to adjust to the new temperature. When it reaches the new temperature you set, it will appear on the display screen.

To avoid this in the future, keep the refrigerator in a room that is not hot. Also, keep the unit away from any direct heat source. Additionally, keep from opening the door of the refrigerator too often. And ensure the door seal is sealing tightly.

How to Fix Bosch Refrigerator Error Code E20

To fix error code E20 in a Bosch refrigerator, unplug the unit and check for faults or burns on the display control module and the main control board module. Also, check for loose connections on the wire harnesses of the two modules. Check the wire harnesses themselves to see if they are still functional.

Replace any of the modules or wire harnesses that is faulty. Checking and fixing these parts could be too technical so call a repair technician to check and fix what is faulty.

The error means that there is a communication gap between the display control module and the main control board module.

Bosch Refrigerator Error Codes – What They Mean and How to Fix

Here are the error codes you could see in a Bosch refrigerator and how to fix them:

1. E01

This means the temperature sensor of the refrigerator section is faulty. To fix it, unplug the unit and reconnect connections on the wire harness on the sensor that might have come loose. You will find the sensor on the upper right corner inside the unit. If the connections on the harness are okay, check the wire harness for faults. But if there is no fault on the wire harness, replace the temperature sensor.

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2. E02

The code means the temperature sensor of the freezer section is faulty. To fix it, unplug the unit and fix any loose connection on the wire harness on the sensor. Check the wire harness to see if it is damaged in any way. If all is well with the connections and the harness, change the sensor.

3. E03

This code alerts you to a defective temperature sensor in the temperature-controlled drawer. You will find the sensor on the right side of the compartment liner of the refrigerator. Unplug the unit and remove the drawer. Uncover the sensor and reconnect loose connections if there is any on the wire harness. If the harness is loose, reconnect it. But if the connections and the wire harness are connected properly, then replace the temperature sensor of the drawer.

4. E10

This code means the module of the main control board is faulty. Unplug the refrigerator and leave it unplugged for about 3 minutes. Do this in order to reset the module. If the error code returns when you plug the refrigerator back, replace the module of the main control board.

5. E11

When you see this error code, it means the module of the display control is defective. Unplug the unit for about 3 minutes in order to reset the module, then plug it back in. If the error code still appears, replace the module of the display control.

6. E15

The sensor for ambient temperature has become faulty when you see this error code. It is one of the internal parts of the module of the display control. Unplug the unit for about 3 minutes so that the module will reset. But if the error code remains after plugging the unit back, then you know the module is faulty and should be replaced.

7. E20

This error code indicates that there is a communication error between the modules of the main control board and the display control. So unplug the refrigerator and check for loose connections on the wire harnesses of the two modules. If there is no loose connection, check the harnesses. Fix them if they are loose. If not, check the modules for burns or damage. Change the modules if you find any damage.

8. E21

The code means the ice and water dispenser module and the display control module have a communication error. To fix this, unplug the refrigerator and reconnect loose connections on the modules. Also, check the wire harness for any damage and replace it if there is. Additionally, check the circuit boards of the modules for burns or damage. Replace the modules if you find any damage.

This video further explains these error codes and how to fix them…

Check out these guides on error codes for other refrigerator brands…

Regular maintenance of your Bosch refrigerator will help you keep it in top shape. It will also help you avoid getting error codes. So study the manual of the Bosch refrigerator model you own in order to know how to maintain it properly.

In addition to the above, contact a qualified technician to fix any faulty part. This is especially true if you are not sure about fixing it yourself.