Garage wonít close with remote or keypad

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Old 02-18-19, 10:24 AM
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Garage wonít close with remote or keypad

My garage will open just fine with the remote, but it will not close with remote or the keypad. The wall mount works just fine for both. I have replaced the batteries in both. I cannot see any obvious issue with the sensors. I also have not replaced any lightbulbs (with LEDís or otherwise). Iím at a loss?!?!
 
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Old 02-18-19, 11:25 AM
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Check the alignment of the sensors, there should be a green LED light on them if they are aligned correctly.
 
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Old 02-18-19, 11:45 PM
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Any specific times of the day? Is sunlight hitting the sensors? How long have you lived there?

I almost said something about the RF receiver in the powerhead...but if it opens it should close unless the sensors tell it not to.

Make model and year would help also. Does the light in the motor flash or do you get any error codes (flashing light or LED)?
 
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Old 02-19-19, 08:04 PM
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Iíve lived here about two years, not sure when the door was installed. It is not affected by time of day - it doesnít matter day or night. The only flashing I see Is when I try To use the keypad it flashes (I have Reset both the keypad and unplugged the opener itself to try that). The sensor light is Amber and green but Iíve cleaned both of those as well. Iíve replaced batteries in both the remote and the keypad.

Make:LiftMaster Model: 1200 1/3
 
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Old 02-19-19, 08:50 PM
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it will not close with remote or the keypad. The wall mount works just fine for both.
The keypad is wireless like a remote. No wireless device will close it.
You are describing a faulty sensor system.

The amber LED eye is the transmitter. The green LED eye is the receiver.
Is the green LED dim or flickering ? It should be bright green.
It should go out when the beam is blocked.

Liftmaster 1200 manual (pdf)
 
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