Bosch Fault Code E03: Temperature controlled drawer temperature sensor is faulty
Fault: Temperature controlled drawer temperature sensor is faulty
Bosch Refrigerator displaying an error code? Bosch Refrigerators have built in diagnostic systems. If your Refrigerator finds, sees, or detects a fault or error in the system, it will show an error or fault code. The error code will display where the usual numbers are on the display screen. When an error code is displayed, your Refrigerator is telling you a specific fault.