All Bosch Refrigerator Error Codes — Complete List (2026)
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating communication error – internal control boards lost connection
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly
The appliance control system detected a condition indicating fan motor failure – cooling or ventilation fan not operating
The appliance control system detected a condition indicating overflow protection triggered – water level exceeded safe limit
The appliance control system detected a condition indicating door or lid lock error – appliance cannot confirm door is securely locked
The appliance control system detected a condition indicating motor control error – the controller cannot communicate with drive motor
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating temperature sensor fault – thermistor readings are outside expected range
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters
Bosch refrigerators display error codes when the cooling system, defrost cycle, or sensors detect a problem. Quick diagnosis is important — a malfunctioning fridge can lead to food spoilage if not addressed promptly. Below you'll find all 215 Bosch refrigerator error codes with their meanings, causes, and repair guides. The most frequent refrigerator problems involve compressor issues, defrost system failures, fan motor malfunctions, and temperature sensor faults.
Most Common Bosch Refrigerator Problems
Heater circuit fault – heating
The appliance control system detected a condition indicating heater circuit fault – heating element is not operating correctly.
Sensor calibration error – sensor
The appliance control system detected a condition indicating sensor calibration error – sensor values conflict with expected parameters.
Water supply error – the appliance
The appliance control system detected a condition indicating water supply error – the appliance is not receiving adequate water supply.
Drain system failure – water cannot
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly.
Drain system failure – water
The appliance control system detected a condition indicating drain system failure – water cannot remove water properly.
Bosch Refrigerator Maintenance Tips
- 1Clean condenser coils every 6-12 months (back or bottom of unit)
- 2Check door seals regularly — clean with warm soapy water
- 3Set temperature to 2-4°C (35-39°F) for fridge, -18°C (0°F) for freezer
- 4Don't block air vents inside the fridge with food items
- 5Defrost manually if frost buildup exceeds 5mm (non-frost-free models)
- 6Keep the fridge at least 3/4 full for optimal energy efficiency
- 7Replace the water filter every 6 months if your model has one
When to Call a Professional
Always Call a Pro
- ✖ Compressor failure
- ✖ Refrigerant leak or recharge
- ✖ Sealed system repair
- ✖ Electrical control board
Consider Professional Help
- ⚠ Defrost heater or timer replacement
- ⚠ Fan motor replacement
- ⚠ Temperature sensor issues
Safe to DIY
- ✔ Cleaning condenser coils
- ✔ Checking door seals
- ✔ Adjusting temperature
- ✔ Manual defrost