A:Answer Refrigerators, air conditioners, freezers and units that have compressors have usually a three minute wait before starting up to safeguard their compressor after a shutdown.After power failures all the clocks, stoves, microwaves have to be reset. TVs with cable service reboot and today’s equipment is designed to come back on. Your refrigerator will show its temps and a desktop computer will have its lock screen requiring your password. This freezer has a blue power light on the lower front at the temperature control.