Question about Chamberlain 1/2-HP Whisper Drive Belt Drive Garage Access System
Find your manual here: http://www.chamberlain.com/
It is very simple DIY with the manual.
Posted on Jan 30, 2013
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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
Where the belt attaches to the trolley carriage which attaches to the door there is a black adjustment nut with a spring on it. Tighten it up more by turning it clockwise until the belt tightens up. The belt will droop a little when the door is all the way shut normally but should not during operation. If you tighten it up too much the belt will slap on the rail during operation. Make sure the spring is set on the adjustment screw too. This holds the belt tight over time. 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
Try here this is a link to the chamberlian parts.
Posted on Nov 25, 2010
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