Question about Sears LiftMaster Building Materials
...Please advise. It sounds like the sun is shining on your door sensor and causing it not to work properly. Try shading the sensors and try. Green light not working yellow light is on why? Please ...
...sensors light on both are green indicating they are in line. When you hold button at door door will go down. the second you let goe of the button the door goes back up and light blinks. I have the ...
Question about Sears LiftMaster Building Materials
sensor is lit. The only thing that will cause the main light to flash 10 times when the door reverses is the sensors or the wiring to them. They must be pointed at one another for both lights to be on
light that is not lit. but the sensors have not been aligned for quite a while ( 0ne is about 5 inches off the floor the other is about 7 inches) and I dont think the green light has been lit for some
Question about Sears LiftMaster Building Materials
...light means that something is blocking one of the door sensors or one of the door sensors is unplugged and/or defective. First check your door sensors that they are plugged in (I've accidentally ...
turn power off they are new sensors The small light on each sensor must be lit for them to work. Make sure you wired them correctly. Make sure the wires with the black stripe are hooked to terminal #3
...sensors. Make sure the small light on each sensor is lit and not flickering. If you cannot get both lights to come on you have either a bad sensor or a wiring problem. If the main light flashes 10 ...
Question about Sears LiftMaster Building Materials
i have a chamberlain formula one door.the lights would not work and had one green and one yellow sensor.replaced a bulb but still have a yellow sensor.light works now Nothing wrong with a yellow ...
Question about Sears LiftMaster Building Materials
...light on one of the two sensors will temporarily go out. This is the receiving sensor. Remove the obstruction and loosen the wing nut on the back of the receiving sensor. Adjust the receiving sensor ...
...back open. CAN ANYONE HELP!!! If the main light is flashing 10 times you have a door sensor problem. Might be the wiring to the sensors. Nothing else will cause this flashing of the main
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