Questions & Answers for: Sears door sensors

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

2 Answers

...door with sensors connected and disconnected with same results. Due to the logic board change, is there something I am not doing to reset this? or are the sensors bad? sounds like the safety door ...

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

2 Answers

...door sensors green lights have gone out and the remotes only will not let up or down the garage door. It's acting as if it has something in the way. Blinking lights on the garage door. Are the sensor ...

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

1 Answer

...if the light will come on. If it doesn't you have either a bad sensor or a bad logic board. Maybe you could move the sensors from the door that is working to eliminate the possibility of a bad

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

1 Answer

Door won't close, blinks 10 times, sensor light yellow The door closes to within 2-3 feet and them goes back up, then the unit blinks 10 times. I realize it most likely is a sensor problem because the

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

1 Answer

...it is a door sensor problem. Make sure the sensors are pointed at one another and the small light on each sensor is lit and not flickering. If you cannot get both lights on you have bad

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

1 Answer

...door opener. I checked both sensors and seems like the sending sensor light ( orange) does not glow. receiving sensor (green) light flashes sometimes. when I press wall button for garage door the ...

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

1 Answer

Have a Craftsman 1/2hp garage door opener (HBW0777 year 1994). It won't close and goes back while blinking 8 or 9 times. Transmitting sensor (red light) is blinking 3 times (even i hold the two sensor

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

1 Answer

door sensors. They may be slightly out of alignment, or there may be some spiderwebs or debris blocking the sensors. Readjust them by eye. An easy way to tell for sure is to close the door, if it does

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

1 Answer

...door to check for binding. Still flashes. Can the sensors be bad and still be green? How do I check them or what do i do next? thank you! tom If the main light flashes 10 times when the door reverses ...

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

1 Answer

...door reverses as though the sensors are being obstructed. Sensors are lined up and no obstruction exists. Lights are constant until i obstruct and then they blink. Suggestions? The only thing that ...

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