E212Warning
Bosch Refrigerator E212 Error Code
The defrost temperature sensor is faulty, risking incomplete defrost cycles.
Common causes
- Defective defrost thermistor
- Damaged wiring near evaporator
- Connector corrosion
How to fix it
- Unplug and measure resistance of the defrost sensor (typically 10kΩ at 25°C).
- Inspect the sensor wiring harness for breaks.
- Clean or reseat the connector.
⚠ When to call a pro: If resistance is out of spec (e.g., short or open), replace the sensor; if code persists, call a technician.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.