How do we restart our freezer after a power outage? Kenmore 253.280998

How do we restart our freezer after a power outage? Kenmore 253.280998 We came home and the Door Ajar and Power Failure lights were on. We checked the plug and it was properly inserted, but the indoor light was burned out. Instead of a temperature rating it said 1hour. Any Suggestions? Please hurry, the freezer is full!