Problems you may notice
• Refrigerator not cooling properly or cooling inconsistently
• Freezer section not maintaining proper frost levels
• Compressor running continuously without cycling off
• Warmer than normal temperatures in fresh food compartment
• Display showing Fault Code 3 error message
• Interior lights functioning but cooling function impaired
• Food spoiling faster than normal
• Unusual compressor noise or extended operation cycles
Possible Causes
• Defective temperature sensor probe in refrigerator or freezer section
• Loose or disconnected wiring harness to temperature sensor
• Failed evaporator fan motor preventing proper air circulation
• Refrigerant flow restriction or low refrigerant levels
• Control board malfunction affecting temperature regulation
• Corroded or damaged sensor connections
• Faulty thermistor component in temperature sensing circuit
• Air damper control failure preventing temperature zone adjustment
Precautionary measures
• Verify the refrigerator is plugged firmly into a working 120V outlet and check for any tripped circuit breakers in your electrical panel
• Ensure both refrigerator and freezer doors close completely and seal properly without gaps
• Check that the temperature control settings are adjusted to normal cooling levels (typically 35-38°F for fridge, 0°F for freezer)
• Unplug the refrigerator for 60 seconds, then plug it back in to perform a soft reset
• Alternatively, turn off the breaker supplying power to the refrigerator for 60 seconds, then restore power
• Allow 24 hours for the appliance to stabilize and cool down completely after power restoration
• Inspect accessible air vents and dampers for visible ice buildup or debris blocking airflow
• Confirm the refrigerator is sitting level on the floor without tilting or wobbling
• Remove any items stored in front of interior vents that could obstruct air circulation
• If the error persists after these checks, contact a professional appliance repair technician or appliance repair support service to diagnose the sensor or control system issue
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