I can provide some general reasons why your freezer might be making strange noises:
Normal Operation Sounds: Some noises could be normal sounds that your freezer makes during its regular operation. Freezers have fans, motors, and compressors that can produce sounds while maintaining the desired temperature.
Buildup of Ice or Frost: If there's a buildup of ice or frost inside the freezer, it can cause the fan or other components to hit against the ice, leading to unusual noises.
Vibration or Unleveling: If the freezer is not on a level surface, it may vibrate and produce odd noises. Vibrating parts, like loose components or coils, could also cause strange sounds.
Worn or Faulty Parts: Over time, certain parts within the freezer, such as the evaporator fan, condenser fan, or motor, may wear out and generate unusual sounds.
Obstructed Condenser Coils: If the condenser coils at the back or bottom of the freezer are obstructed by dust or debris, the compressor may work harder and produce more noise.
Icing or Frosting on the Evaporator Coil: Excessive icing on the evaporator coil can lead to noisy operation as the freezer struggles to cool properly.
Malfunctioning Compressor: A faulty compressor may produce strange noises when it is struggling to start, running inefficiently, or nearing the end of its lifespan.
Water Valve Issues: If your freezer has an ice maker or water dispenser, a faulty water valve could cause odd sounds when it's trying to fill or regulate water flow.
Damaged or Misaligned Parts: Any damaged or misaligned parts within the freezer can create unusual noises during operation.
To determine the exact cause of the strange noises, it's best to inspect the freezer or have a professional appliance repair technician examine it. They can identify the issue and provide the appropriate solution to fix the problem. Remember, if you're uncertain about performing any repairs yourself, it's always safer to seek professional help to avoid accidents or further damage.