Bosch Refrigerator Error Codes

All Bosch refrigerator error codes with step-by-step troubleshooting, multimeter specs, and OEM part numbers.

3 error codes

Code	Meaning	Severity	Difficulty
E2	E2 on a Bosch refrigerator indicates an ice maker sensor fault. The ice maker temperature sensor is reading out of range or has an open/short circuit. mediumintermediate	medium	intermediate
E3	E3 on a Bosch refrigerator indicates the freezer temperature sensor has failed or is reading out of range. The main board cannot accurately monitor freezer temperature. mediumintermediate	medium	intermediate
HUB	Complete reference for Bosch refrigerator error codes. Bosch uses a simple E-number system: E2 (ice maker sensor), E3 (freezer sensor), and model-specific display codes. mediumbeginner	medium	beginner