Popping or cracking noises are
coming from the unit.
Some popping or cracking noises are normal. They
are caused by expansion and contraction of the
inside walls due to temperature changes.
The door will not
shut properly.
The unit is not level.
The door gasket is dirty.
The door gasket is malformed.
The shelves are incorrectly
installed.
Make sure the cooler is on a level surface.
Clean the door gasket.
Make sure the door gasket is properly sealing.
Correctly install the shelves.