Hi Jim-Ive worked on microwave ovens.Yes 1st choice.Measure open/closed door w/no pwr of course.All switches should show a change as you go open to close with door...Regards, Pete becyn <becyn@xxxxxxxxxx> wrote: As soon as the power is plugged in, the internal light and fan operate. We don't see too many GE MW's , so I thought someone might have a quick answer on this one. door switches? Thanks Jim McVey McVey Alltronix 327 Broadway Newburgh N.Y. 12550 Factory authorized service for over 20 major brands. 845 561 8383 ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/ Peter Neal Neal Electronics 1905 E. Wm.Cannon Austin,TX 78756 ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/