Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
Problem for Sears Craftsman LiftMaster Chamberlain Garage Door Opener...

Sensor lights are off




By byungjoo on Nov 09, 2009

" "
sensor lights are off

Solution #1

posted on Nov 09, 2009
Not Rated)

Don0930

Rank: Guru  Televisions & Videos  Expert
Rating: 88%, 537 votes
If the light on both sensors is off you have either bad wiring or bad sensors.
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