Craftsman

Blink 2-1 Craftsman Garage Door Opener Blink 2-1 on a Craftsman opener means the wall control wires are shorted … Blink 4-6 Craftsman Garage Door Opener Blink 4-6 means the photo eye sensors aren't aligned — the safety beam between … 3-5 Craftsman Garage Door Opener Blink code 3-5 on a Craftsman opener means a logic board or travel limit … 4-2 Craftsman Garage Door Opener Blink code 4-2 means a safety sensor wire is making contact with a grounded … 1-1 Craftsman Garage Door Opener Craftsman openers (manufactured by Chamberlain) use the same blink-code system. …