A project I needed like a longer hockey season
In 2005, garage door opener failed. I replaced it. Been working just fine since then. Last week, it failed. As the door lowered, about 1" shy of the floor, door reversed back up. This meant could not leave the house and close it via remote. Drat!
The new opener has a safety feature, a light beam just above the floor to cause such reversal if interrupted by a child breaking the beam. I suspected this to be the problem and experimented. I test moved the beam 1" further inward, that is, away from the door and inside the garage. Viola! The opener closed the door properly. Then I permanently remounted the beam in this position.
The structural hardware of the door itself was interrupting the beam. Now you tell me why it worked correctly for six months and then failed without the door hardware being changed one iota.
posted by Crash Eddy @ 8:09 AM
2 Comments:
Pine needles stuck perpendicular to the bottom of the door can trip the beam. It only takes one.....Does this make sense?
I have observed this phenomenon on my own door. It took several minutes of head scratching to figure it out.
john
John,
I'd never have found this NEW problem if not for your post. Today, leaving home, the door wouldn't close, would start down, then reverse. Thinking of your pine straw suggestion, I examined the bottom of the door, nada. Then I noticed that the beam lens had a bit of spider web on it. I removed the web and the door functioned normally. One never knows, do one?
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