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Bosch Refrigerator Error Codes

3 error codes with causes and step-by-step fixes

Your Bosch refrigerator uses 3 distinct error codes to flag faults before they turn into a full breakdown. The most common cluster around sensor (3). Of these, about 3 can usually be cleared at home without a technician, while 1 point to more serious faults that may warrant a professional. Typical repair costs on this appliance run from $15 for simple DIY fixes up to $300 for professional component replacement.

Find your code in the table below for its exact meaning, the most likely causes ranked by how often they're the culprit, a step-by-step fix, the parts you may need, and a clear call on when it's worth phoning a repair pro.

Documented Bosch refrigerator codes on this page: E01 — refrigerator compartment temperature sensor fault; E02 — freezer compartment temperature sensor fault; E03 — temperature-controlled drawer sensor fault.

Code	Meaning	Severity	DIY	Est. Cost
E01	Refrigerator compartment temperature sensor fault	⚠ Medium Severity	moderate	$15–$40
E02	Freezer compartment temperature sensor fault	⚠ High Severity	moderate	$15–$40
E03	Temperature-controlled drawer sensor fault	✓ Low Severity	moderate	$15–$40

⚠️ Serious Errors — Act Quickly

E02

Freezer compartment temperature sensor fault

E02 fires when the control board reads the freezer NTC (negative temperature coe…

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