Mary K Racine , MN September 15, 2018 Appliance: Model SMH 9187ST SE error code [beeping unresponsive microwave] I watched the Appliance Parts Pros tutorial and some videos to educate myself. It went well. This is the second appliance that I have repaired with the help of Appliance Parts Pros. I am a big fan. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes