From the blog "Samurai Appliance Repair Man's Blog"

The new inverter compressors ain't like the old skool compressors used in yo momma's beer cooler. Oh, they still do the same basic job-- pump refrigerant vapor. But you have to troubleshoot them differently from the old skool compressors. In their quest to comply with increasingly onerous Energy Star requirements, all the appliance manufacturers are producing refrigerator models that use inverter compressors. Like it or not, inverter compressors are here to stay. Many a fine tech has been befudd