Tips. While you can use a standard dolly to move a refrigerator, it's awkward, too narrow, and the wheels aren't configured to slide up and down stairs. Allow the refrigerator to rest for 24 hours before plugging it in. This allows the coolant to settle back into the compressor, preventing compressor failure.
Walk backwards, pulling the dolly towards the stairs, as the assistant pushes the refrigerator from the opposite side. Watch out for any obstacles or items on the floor, between you and the stairs. Stop and lift the dolly up onto the first step, as your helper pushes the refrigerator up.
Isn't moving a ~300 lb refrigerator up flights of such stairs very DANGEROUS? .. I know of catastrophic resulting injuries.. I'm thinking of a few design .
With a little planning and a little help, though, moving a refrigerator can be done safely.. around, especially if you need to move it up or down a flight of stairs.