Question about Chamberlain 3/4-HP Whisper Drive Plus Evercharge Standby Garage Access System
Where are the ajustment screws located on the chamberlain opener model mumber hd800d
Posted by Anonymous on
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Posted on Jan 02, 2017
I just had that problem this morning and the cause was that the springs that help hold the weight of the garage door were broken. This caused the garage door opener to raise the garage door a fe inches and then drop again. We called in a professional and $200 later we had new springs and everything works fine now.
Posted on Dec 17, 2009
SOURCE: door would not close all the way
DOES IT REVERSE OR STOPS BUT NOT TOUCHING THE FLOOR?
IF IT DOESN'T TOUCH THE FLOOR YOU EITHER NEED TO ADJUST THE DOWN TRAVEL OR LENGTHEN THE CONNECTING ARM.
IF IT REVERSES YOU NEED TO DETERMINE IF IT IS THE SENSITIVITY OR THE SAFETY EYES.
Posted on May 27, 2010
The opener is having a hard time operating the door. It sounds like the door is out of balance. The door should stay all the way up at half down and all the way down. You should be able to raise and lower the door by hand EASILY. The opener is only meant to lift10-15 lbs. Thanks BB
Posted on Sep 06, 2010
You will have to open the unit and look inside it. Unplug it first. It should have 6-8 screws to take off. You will see 3 white plastic adjustment screws. There is a carriage they sit in. Make sure they are in this carriage. If you would like stay back a bit and plug it in and watch it run to see how it works. It is a direct contact system, so when the middle screw touches the copper limit of the limit screw it stops. Thanks BB
Posted on Oct 11, 2010
There is a button on the side of the wall-mounted remote. It has a pic of light bulb next to it. Press it once - the motion sensor is on and the lights will be on once it senses the motion; press it again and the motion sensor will be off.
Posted on Nov 01, 2010
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Sep 16, 2013 | Sears Craftsman LiftMaster Chamberlain...
Open the garage door fully by pressing the wall control button. The bottom section of the door should be right at the header in the "full open" position. If it is too far back, the door cable can become misaligned. If it is not back far enough, you may not be able to get your vehicle in and out of the garage.
Position a stepladder behind the garage door opener motor. Locate the limit adjusting screws on the left side of the motor housing. Have a friend stand by the wall control button.
Insert a screwdriver into the slot for the "up limit" adjustment screw. Turn it to the right to decrease the door travel and turn it to the left to increase it. Turn the screw in small increments.
Close the garage door by having your helper push the wall control button. Notice the seal between the door and the floor--there should not be any light coming through. Adjust the "down limit" screw in the same way if necessary.
Operate the door by the pressing the wall button and check your adjustments.
Jan 12, 2013 | Sears Craftsman LiftMaster Chamberlain...
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Apr 01, 2010 | liftmaster Chamberlain Garage Door Opener...
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Jan 11, 2009 | Sears Craftsman LiftMaster Chamberlain...
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