Questions & Answers for: liftmaster wall unit

wall or unit will cause door to start to rise, but it will stop 1 to 10 inches from the floor. When it does so, the lights on the unit and on the wall switch will turn off and unit is unresponsive (as

...unit and the wall button. If the wire is smashed the insulation becomes so thin that power will leak thru the insulation and activate the door or interfere with the remote signal. Loosen the staples ...

...unit and the wall button. If the wire is smashed the insulation becomes so thin that power will leak thru the insulation and activate the door. Loosen the staples with a small screwdriver and slide ...

...wall unit was stuck in the locked position. I tried to follow the advice of BB above: I slid a flat head screwdriver under the wall plate to pop it off. As I was doing it on a side, the wall unit ...

...wall of the garage. Figured it was a battery problem. Installed new battery (3 volt duracell)--negative side down. Still not working. Check Battery .... Possibility Corosion inside the unit Chek if ...

...unit again. This LED is not covered in the troubleshooting section of my owners manual. Some insight would be greatly appreciated. THIS IS PROBABLY CAUSED BY A SHORTED WIRE. OR A BAD WALL CONTROL. ...

...WORKS. IF IT WORKS REPLACE THE EXISTING WIRES - THEY MAY BE SMASHED WITHIN THE WALL OR UNDER A STAPLE THAT IS TOO TIGHT. IF THE ABOVE TEST DOES NOT WORK REPLACE THE WALL CONTROL UNIT. HOPE THIS ...

...What is wrong? Perhaps the wall opener control needs to be accepted by the opener, press the button on the opener head unit and then press the wall switch. Consider new batteries before you do

...unit. Lighted wall switch flickers constantly. unit is a 1/3 hp liftmaster Sounds as if you have inadvertently turned on the vacation lock. If you have a lock button hold down for two seconds to turn ...

1255 lm no power. outlet to unit has power but no lights appear on unit or mounted opener on wall..? Blown circuit board