While the fan is operating you may hear sounds like a mosquito flying around.
Samsung french door fridge fan making noise.
The fan will stop when the refrigerator reaches the set temperature.
If your fridge is making a noise that stops once the fridge door is opened there are a couple of things to check before organising a service request.
When the refrigerator compressor starts up or shuts off it may make sounds similar to an ignition from a car engine.
Afterward the sound will decrease.
Move the refrigerator forward approximately 2 inches.
It could be whining buzzing or grinding all audible indications that the fan that cools the fridge is getting caught on something that shouldn t be there.
You can perform a manual defrost to get rid of the ice buildup and get rid of the noise for a while but only service will correct the original cause.