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Since i have a 9′ garage ceiling plus two 7′ door openings, when installing the doors i opted for one 8′ track to bring up the tracks closer to the ceiling plus out of the work area. This means the door has to go up a foot before it starts back, provided that traditional openers won’t work. For 20 yrs. I’ve been manually operating the door while occasionally looking for one opener solution. The Liftmaster 3800 was the door answer, plus the “laser parking assist” the spotting answer. (3″ bumper to door plus 3″ grille to workbench, no more tennis ball from the ceiling)

It’s been in service a week plus works flawlessly. The quality of the operating unit, cable tension monitor, plus lock appears very high. The barrier unit, remote, plus light a little fewer provided that but seem adequate for the job.(few moving parts). The instructions are plain plus complete. And it comes with adequately fasteners for most installations.

My installation was a little lengthly because i’m provided that picky. (ran a new outlet through the ceiling to get 4″ from the power unit, the park help comes with 8′ of bell wire, needed 20′ – again through the ceiling, the tension monitor needed a spacer block, cut one to fit plus painted to match the finished plus textured wall, plus provided that on) the lock barely needs a 1/2″ hole instead of 3/4″ if you can perforate accurately. If i did it again i wouldn’t install the lock. The door is insulated plus very heavy, i don’t think schwarzenegger could elevator it without the spring help.

The barely obstacle i had ended up being a programming issue of my own making. After setting the open travel limit to the top of the start – 7′, the door would open but not close. The teaching troubleshooting section indicated the trouble was the cable tension monitor. I reflection the not the obstacle since it’s curler was 2″ from the drum as recommended plus it was under tension with the door open plus closed. After 20 mins. Of reprogramming, checking connections plus rereading instructions, staring at the monitor when closing diagnosed the obstacle. When the door starts down there is a jerk which slackens the cable for a fraction of a second allowing the tension monitor to close if the door is close to the top but not fully open. Reprogramming to 8′ pulls the cable away from the barrier a couple of inches provided that during the jerk the monitor movement is not adequately to close. An extra foot of door travel, but it works great!

Please visit A significant solution as a modified door installation for more detail.

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