Garage door opener - malfunctional safety sensor

[John Smith]

We have a residental Lift-Master Garage Door Opener. Recently, the light of
the right sensor did not turn on after a severe thunderstorm (the left one
was all right) and the door could not be lowered. I replaced both sensors
with new ones from Lift-Master, and the light of the right sensor still did
not turn on (the left one was all right). What might be the problem? Any
suggestions? Thanks.

 

[Jerry G.]

Check to see if there is any voltage going to the light. If not, trace it
back. Maybe the power supply, or some other component that drives it, has
failed.

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Greetings,

Jerry Greenberg GLG Technologies GLG
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We have a residental Lift-Master Garage Door Opener. Recently, the light of
the right sensor did not turn on after a severe thunderstorm (the left one
was all right) and the door could not be lowered. I replaced both sensors
with new ones from Lift-Master, and the light of the right sensor still did
not turn on (the left one was all right). What might be the problem? Any
suggestions? Thanks.