Bosch Refrigerator Error Code E02
Freezer compartment temperature sensor fault
The freezer's temperature sensor is reading open, shorted, or implausible values. The control falls back to timed cooling, so the freezer may over-freeze or warm up unpredictably. As with E01, the sensor or its connector is the usual culprit and the fix is inexpensive.
What Does Error Code E02 Mean on a Bosch Refrigerator?
Freezer compartment temperature sensor fault.
The freezer's temperature sensor is reading open, shorted, or implausible values. The control falls back to timed cooling, so the freezer may over-freeze or warm up unpredictably. As with E01, the sensor or its connector is the usual culprit and the fix is inexpensive.
What Causes Error Code E02?
Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:
- 1 Failed NTC temperature sensor 55% of cases
- 2 Connector or harness fault (cold-side connections corrode) 30% of cases
- 3 Control board input fault 15% of cases
How to Fix Bosch Refrigerator Error Code E02
- 1
Power-reset
Unplug for 60 seconds and restore power.
- 2
Verify freezer temperature
Use a thermometer — the freezer should hold 0°F (-18°C). Significant drift alongside E02 confirms the sensor.
- 3
Replace the sensor
Access is behind the freezer's interior panel; the part clips to the evaporator area and plugs into the harness.
🔩 Bosch freezer NTC sensor ($15–$40)⚠️ Unplug the refrigerator before removing the freezer panel.
How to Reset Error Code E02
Unplug for 60 seconds and restore power. Watch freezer temperature for a few hours — drifting temps with the code back means replace the sensor.
Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.
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When to Call a Professional
Food safety matters here: if the freezer can't hold temperature, move food to a backup freezer and prioritize the repair.
Related Error Codes
Same Code on Other Brands
Error code E02 appears on these other brands too. See every brand that shows E02 →
Find Replacement Parts
Use these links to find the exact replacement parts for your Bosch Refrigerator:
External links — ApplianceErrors.com is not affiliated with these retailers.
Frequently Asked Questions
What does error code E02 mean on a Bosch Refrigerator? +
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Sources & References
- • Bosch Home Appliances Service — official manufacturer documentation
- • Our editorial & verification policy
Content verified against manufacturer service documentation. Last verified: June 12, 2026.