Gregory B San Ramon , CA January 08, 2018 Appliance: Model GE JVM1630 SPACEMAKER Microwave activated when door was opened Replace 2 door switches and 1 switch-Monitor (only 1 door switch was bad). Replaced all because they were all installed at the samedtime during manufacturing. 12 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes