How to Replace Wall Switch to a Garage Door Opener

In addition to the remote control, the garage door opener usually has a hard-The wired wall switch inside the garage can open and close the door without the need for a wireless remote control.Similar to the doorbell switch, press-The button garage door switch sends a signal to the door opener to lift or lower the door.If the switch does not operate the door properly, you can diagnose the problem and replace the switch on the wall with the garage door opener in a few minutes with some common manual tools.Place a ladder under the garage door opener and unplug the unit\'s power supply.If the garage door is hardConnect to the circuit, turn off the circuit breaker of the garage door opener, and then take a contactless voltage tester next to the power cord of the opener to test the circuit.If the test light is on, turn off other circuit breakers or main circuit breakers and test again.Find the bell line that connects the wall switch to the garage door opener.Use a screwdriver to loosen the two terminal screws on the side of the opener connected to the dial line.Remove the bell line from the terminal.Twist the ends of the two Bell lines together.Switch along the bell line to the wall.Loosen the mounting screws and remove the switch from the wall.Remove two wires from the back of the switch.Hold a wire from a Multimeter set to continuous to a bare end of the bell line.Fix the other meter lead to the second one.If the meter beeps or shows continuity, the bell line test is normal.Put the multimeter aside and go back to the garage door opener.Reconnect the two wires to their original terminals and tighten the screws.Alternatively, if there is no continuity between the leads, the bell line is damaged and needs to be replaced.Run a new 22-gauge, two-The conductor Bell line between the opener and the switch.Fix the wire in place with a hammer with an insulation nail.Peel off the ends of two wires using a wire stripping machine.Connect the wire to the two terminal screws on the opener.Place the new wall switch on the wall in the desired position.If the previous mounting holes do not align with the new switch, mark the hole position on the wall using a pencil.Drill a 1/4-Through the inches hole of the drywall at each mark.Dig a wall anchor in each hole.Cut off the bare end of the wire and peel off 1/2-Insulated inches from each conductor using a wire stripping clamp.Wrap a wire around each terminal and tighten the screws.Install the switch by tightening the mounting screw to the wall anchor.Insert the opener or open the circuit breaker.Check the switch to see if the switch is on.If not lit, unplug the opener or turn off the same circuit breaker, then remove the switch and reverse the two wires on the back of the switch before reinstalling.Plug in the opener or turn on the circuit breaker to see if the switch is on.If the switch light is on, press the opener to test the operation of the device.