William F Pittsburgh , PA February 14, 2016 Appliance: General Electric General Electric JES1451DS1BB Ge Microwave Jes1451ds1bb / : The "microwave" function did not work the interior light clock timer and keyboard still worked. How to replace Door Interlock Switch. I replaced the primary interlock switch. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes