Miele Refrigerator Error Code F3

• Refrigerator not cooling properly or cooling intermittently
• Freezer compartment not maintaining frozen temperatures
• Error code F3 displayed on the digital control panel
• Compressor running continuously or not running at all
• Inability to adjust temperature settings
• Food spoiling faster than normal
• Audible alarm or beeping sounds from the appliance

• Defective temperature sensor (thermistor) in refrigerator or freezer compartment
• Loose or disconnected sensor wiring harness
• Damaged sensor connector or corroded electrical contacts
• Circuit board malfunction preventing sensor signal reception
• Failed main control board unable to read sensor data
• Moisture intrusion affecting sensor electronics
• Manufacturing defect in temperature monitoring system specific to USA 120V models

• Verify the circuit breaker powering your refrigerator has not tripped; reset if necessary
• Ensure the refrigerator is not in defrost cycle by waiting 30 minutes and checking if error clears
• Check that both refrigerator and freezer doors are closing completely and sealing properly
• Verify door seals are clean and not damaged, allowing warm air to enter
• Confirm temperature control settings are not set to the warmest position
• Unplug the refrigerator for 60 seconds, then plug back in to perform a complete system reset
• Check that the condenser coils on the back or bottom are not heavily clogged with dust
• Ensure proper airflow around the unit with at least 2 inches clearance from walls
• Verify the refrigerator vents inside the unit are not blocked by food items
• Contact Miele customer service or a certified USA-based technician if error persists after reset