Questions & Answers for: chamberlain garage door opener light

...chamberlain model 4100 door opener. I do not have the user manual. How do I change the passcode on the keyless entry? Thanks! You have to press a Yellow/Purple button on the back of the garage door ...

...door opener and one of the saftey sensors always has a yellow light instead of green. That is correct and not a problem. One light should be yellow which means power and one light should be green ...

...garage door sensors is yellow while the other is green. One of my garage door sensor led lights is yellow while the other is green what does this mean? It means your sensors are properly aligned. Are ...

...garage door opener (chamberlain) works, but the light no longer comes on. I have changed the bulb. There are two sensors mounted near ground level at the entrance to the garage. She says that the ...

...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 sensor. It is ...

...chamberlain 3255. would open & close right... another problem is a clicking noise inside the box,, & lights flashing... i did notice one of the sensors near floor is yellow,... other one is ...

Chamberlain garage door will not close I have the Chamberlain garage door opener. One sensor is yellow the other is green. I can only close the door by using the wall mount and have to hold it until ...

...This is a chamberlain garage door opener. There are no obstructions in the sensors. Make sure neither light on the sensors is flickering. Tweak them a bit to make sure they are aligned

...garage door opener.what does it mean. how do i correct it. Where is the yellow light? Does it seem to be flashing a code? Is there a problem with the opener. One of the lights on your opener will ...

Garage door sensor light lense yellow one is damaged and the green one is working.Garage can't be closed in daytime.Please advise. Garage door sensor light lense yellow one is damaged and the ...