Richard O Wexford , PA October 07, 2017 Appliance: Model GAGGENAU ED220-600 STEAM OVEN Oven would not stay on. You could get it to go back on by repeatedly opening/closing the door. Replacing the door sensing microswitch did not solve the problem. Replacing the Operating Module seems to have fixed it. Read More... Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Screwdrivers, Socket Set