Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Garage door will not close

Door can be closed if wall button is held in closed position
door will only come down a few inches with the remote
light bright on one safety sensor, the receiver sensor light is very dim, will not be brighter when aligned.
Took the received sensor off, laying on floor, wires still on it, the door works just fine

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HOLDING DOWN THE WALL BUTTON OVERRIDES THE SAFETY EYES.
WHEN HOLDING IT DOWN MAKES THE DOOR CLOSE PROPERLY THE PROBLEM IS IN THE SAFETY EYES.

ARE BOTH LEDS ON? - CHECK FOR A LOOSE OR BROKEN WIRE.
ARE THE EYES WIRED CORRECTLY?
ARE THEY AIMED AT EACH OTHER?

Posted on May 28, 2010

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Posted on Jan 02, 2017

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