Garage door opener light flashing

Why would my Keyless Entry close but not open the garage ...

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Mar 27, 2008 - I have a Craftsman Security+ Keyless Entry, P/N 139.53684 purchased with my ... However, the door will not open, but the keypad flashes as before. ... Check if there is a flashing green light on your wall control in the garage. ... The 2 remotegarage door openers won't open or close the garage door; but the ...

Craftsman garage door opener won't open or close, why ...

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Hi, I have a Craftsman 1/2 HP garage door with keyless entry (P/N ... When I click theremote or the wired button, the main lights come on, the motor moves ... Five flashes means that the RPM sensors has most likely stop communicating.

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Chamberlain GroupHow to program a wireless keyless entry using your garage door opener's LEARN button. How to ... Why the LED or light on the door control is blinking and my remotecontrol is not working? Why isn't ... Why won't my door fully open? How to ...

Look at the back of the motor unit and see if that little light is flashing a code. Post the code.

If the main light flashes 10 times when the door reverses to the open position it is a door sensor problem. Make sure the small light on each sensor is lit and not flashing ever so slightly. Tweak the sensors a little. If you cannot get both lights to come on you have bad sensors. If this is not your symptom post back.

Clean both safety sensors lens located at the bottom of the garage door frame. Make sure both sensors led lights are lit. If not they are out of alignment and you will have to loosen the wing nut on the sensor that is lit and move it, trying to get the other sensor to light.

pull all power and reset codes

If your sensors are not pointed at one another the light on one of them will go out. Tweak them a bit. If you cannot get the light to come on then your sensors are bad.

If when you try to close the door the main light flashes 10 times you have a door sensor problem. Make sure they are pointed at one another.

If when you try to close the door the main light flashes 10 times and the door reverses to the open position you have a sensor problem. Make sure the small light on each sensor is on and not flickering. Tweak them a bit to see if you can get the lights on. If not you have a sensor that has failed.

If the main light flashes 10 times when the door reverses it is a door sensor problem. Each sensor has a small light that needs to be lit and not flickering for them to work. They must be pointed at one another for the lights to be on. Tweak them a bit and see if the lights come on. If not you likely have a bad sensor.

Please check if your sensor is working right.