Bosch refrigerators have an internal diagnostic system that can identify problems within the appliance and alert you with a specific error code. This tells you exactly what is wrong with your refrigerator so you can fix it quickly.
This guide covers popular Bosch refrigerator models, including:
B22CS80SNS/01
B22CS80SNS/02
B22CS80SNS/03
B36IT70NNP/08
B36IT71NNP/11
KFU5750
KFU5755
KGU5950BS
KGU5955BS
KGU6465BS
KGU6650
KGU6651
KGU6695
KGU6940BS
KGU6945BS
KSU5820NE
T18BD80FLE
T18BF70FSE
T24BR70FSE
T30BR70FSE
T36BT71FSE
If the E2 error code is showing on the display screen of your Bosch refrigerator, it means the freezer compartment temperature sensor is defective and is unable to properly monitor the temperature.
Fixing the underlying cause of the E2 error code involves checking the wire harnesses that are connected to the temperature sensor in your freezer compartment. If faulty, the wire harnesses will need to be replaced. If the wires are fine, you may need to replace the whole sensor component.
Here’s how to fix the E2 error code on your Bosch refrigerator:
There are several common error codes that your Bosch refrigerator will show when it detects a problem. Here are some of the most common.
The E01 error code indicates a problem with the refrigerator compartment temperature sensor (as opposed to the E02 error code, which indicates an issue with the freezer compartment temperature sensor). To fix the underlying cause of the code, switch the power off to your appliance and locate the temperature sensor.
Once located, unplug the wire harness and check it for any defects. If damaged, replace the wire harness. If it’s not damaged, consider replacing the whole sensor unit. Alternatively, call a technician to come and inspect your fridge.
This code means the temperature-controlled drawer temperature sensor is faulty. To fix the underlying cause of the code, switch the power off to your appliance and locate the temperature sensor in the temperature-controlled drawer.
Once located, unplug the wire harness and check it for any defects. If damaged, replace the wire harness. If it’s not damaged, consider replacing the whole sensor unit. Alternatively, call a technician to come and inspect your fridge.
This code indicates a problem with the ambient temperature sensor. The purpose of the sensor is to assist the display control module to operate correctly. To remove the code, switch your appliance off. After a few minutes, turn the fridge back on.
This should reset the display control module and the code should stop showing. If not, the display control module may need to be replaced.
The E10 code means there is a problem with the main control board in your appliance. To remove the code, switch your fridge off. After a few minutes, turn the fridge back on.
This should reset the display control module and the code should stop showing. If not, the main control board is likely defective and must be replaced.
This code means the display control module is faulty. You can attempt to remove the code by resetting your appliance. This can be done by switching your machine off for a few minutes before turning it back on.
This should reset the display control module and the code should stop showing. If not, the display control module may need to be replaced.
The E20 error code on your Bosch refrigerator indicates the main control board cannot properly communicate with the display control module. To remove the code, switch your appliance off and locate the main control board and display control module.
Once located, disconnect the wire harnesses and check them for any damage. If damaged, new wiring will need to be installed. If the wires are fine, reconnect them and check both components for any signs of wear. Again, if damaged, new ones will need to be installed.
This error code means the display control module and the ice and water dispenser control module cannot properly communicate with each other. To remove the code, switch your appliance off and locate both the display control module and the ice and water dispenser control module.
Once located, disconnect the wire harnesses and check them for any damage. If damaged, install new wiring. If the wires are fine, reconnect them and check both components for any signs of damage. Again, if damaged, replace one or both of them if necessary.
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