Wall Switch Flashing, remotes work

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Moderator Post: > Garage Door Opener Operation by Handyman on 02/16/2005

After a power outage, the light on the wall unit for my Sears 1/2HP garage opener just flashes and will NOT open/close the door. The remotes work fine. I have tried resetting to no use. If I hold down the LOCK button the door will open/close.