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I have a garage door opener that will not close new out of box but not refundable, i've tried the sensors and tested the motor and almost everything that i can think of. it would help if i had a manual for it my father in law bought it a few year ago and attemped to install it and didn't and moved and has no need for it
You say it won't close. What does it do when you try to close it? What make and model is it?You say it won't close. What does it do when you try to close it? What make and model is it?
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I have the same problem. Door does not open or close when press the push button and/or transmitter. The light flashes 5 times. Manually open or close the door is ok. On the manual troubleshoot, it says it's either the opener is overheated or it's on vocation mode. I don't know how to switch of vocation mode. Is it possible the thermal sensor is broken? Can someone help?
Remove the cover from the motor unit and check the drive gear. It is a white nylon gear just in front of the motor. Also check the door springs. One of them could be broken.
Try this: Loosen the chain enough that you can remove it from the sprocket above the motor. Now run the opener until the sprocket turns in the clockwise direction and stops. Reconnect the chain. This will get everything in sync and you will have to tweak the 'up and down limits' a bit to get it just right.
If the main light flashes 10 times when the door reverses it is a problem with the door sensors. Make sure the small light on each sensor is lit and not blinking ever so slightly. If it doesn't flash it is most likely the RPM sensor which is a small printed circuit board just in front of the motor. There is also a possibility that the down force needs to be increased. This is a control on the rear of the motor unit near where all those white wires go. Increase it about a quarter turn.
The code you are seeing with 5 blinks is "RPM sensor or motor overload." We can eliminate the motor overload because the door is trying to close. The RPM sensor is a small printed circuit board just in front of the motor. It's a snap to replace and is available at any good door opener company. They will know exactly what you are talking about if you ask for an RPM sensor board.
After replacing the worm gear and main drive gear on my Craftsman 1/2 HP garage door opener I found that my door moved about 4 inches stopped and reversed the same distance. I checked all the settings and everything seems OK. What fixed the problem was I released the two allen set screws on the end of the motor shaft and pulled tha motor shaft toward me. When I replaced the black plastic cap that looks like a pill cap top on the end of the shaft this corrected the depth setting that cap rotated through the RPM sensor. I set the limit settings (up and down) on the side of the opener and reset the force pots marked (KC) to mid range.
the door now works. I hope this helps. I also checked and eliminated the door sensors by putting a box in the beem this inhibited any movemnet at all, so I knew it wasn't the door sensors as there was at least 4 incheds of movement prior to the box and nothing with the box.
You say it won't close. What does it do when you try to close it? What make and model is it?
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