So, the bottom partly of a freezer freezes, but the top partly does not? My friend just bought a used side by side. The bottom partially...

My friend just bought a used side by side. The bottom partially of the freezer freezes, but the top half of it is at 30-40 degree F.
Same with the fridge slice, lower half is well-mannered while the top is around 50 degrees F. Thanks within advance.
Answers:    should be a lover in a duct, directing the cold nouns up, or the vent is blocked in the top, cold nouns falls,
Check that the door seal is airtight. Put a contracted piece of paper contained by between the door inside and out. then shut door. if you can verbs the paper out smoothly while door is shut, you need to adjust the hinge or if that fails acquire a new stamp. hope this helps.