Chamberlain liftmaster craftsman garage door opener replacement safety sensors g801cb p includes 2 sensors mounting brackets and hardware 4 7 out of 5 stars 1 660 liftmaster 41a5034 replacement safety sensor beam photo eye repair kit 041a5034.
Garage door safety sensor replacement.
The door should stay open and the motor unit lights should blink.
This replacement garage door safety sensor kit uses an invisible infrared beam across the opening of the door the system detects any object passing through the led beam of light and automatically reverses the closing garage door.
If your opener does not have garage door safety sensors or they are not working you should repair them replace them or get a new garage door opener.
4 7 out of 5 stars 1 676.
If the garage door opener closes the door with the safety sensors blocked replace the logic board.
Garage door sensors are a very important safety feature on your garage door opener.
Attempt to close the garage door using a remote.
41a5034 liftmaster sears craftsman sensor cells photo eyes garage door opener.
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Place a box or similar object between the safety sensors to block the sensing beam.