Building Materials - Recent Questions, Troubleshooting & Support
Light will not come on when you walk into the
To have your lights come on automatically when you walk into an open garage you must START with the lights ON. To turn the feature on, turn the lights on manually with the wall switch, then press and hold the LIGHT button for about 10 seconds until the motor unit light bulbs flash.
Now, if the light bulbs are on, manually turn them out and then walk out through the open door. The light bulbs should come on.
To disable this feature, start with the light bulbs OFF and everything else is the same.
3 days ago
Liftmaster garage door intermittent power loss
I had the same problem. Although it appeared to be the logic board, on mine it actually was the connectors between the logic board and the power supply board.
There are 2 connections on the logic board. One white connector with wires going to the main unit, and another set of connectors that plug directly into the smaller circuit board that holds the step-down transformer (120vac - 22vac). These pins were not making good connection between the boards. I simply bent the pins slightly so they would make better contact on the logic board and have not had a problem since. This must be a weak point on these door openers. Purchasing a new logic board would work too, as the connectors are newer and tighter.
on May 28, 2019
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