Liftmaster 1/3 HP. Remote and wireless keypad stopped working.

The motor/control unit may have gotten reset. It needs to relearn the codes transmitted by the remotes.

MIne has a "learn" button on the control unit. Press and hold, then press the button on the remote. Lights will flash indicating it has received and stored the code. Release button.

Check to see if the remote works now. If so, all three should be working. If not, dig up your manuals.

Press and hold the lock button on the wall control for 3 seconds. This will stop the blinking and your remote should work.

Is the light in the wall control blinking? If so press and hold the lock button for 3 seconds.

Your receiver has failed. The hardwired wall control doesn't use the receiver but the remote and the keypad do.

Your wall control is hard wired and doesn't use the receiver portion of the logic board. The remotes do. Your receiver is going bad.

The wall control is hard wired and doesn't use the receiver in the logic board which the remotes do. You most likely have a bad logic board.

reset your remotes and your main transmitter after removing and replacing the remote batteries (these use rolling codes that change each time you operate the door) the procedure for doing this is listed on the liftmaster website

Does your wall console have a LOCK or VACATION setting. Turn off.

Does your wall switch have a lock feature? By pressing the lock button, the remote control is disabled. A flashing light indicates this feature has been activated.

To deactivate, press and hold the lock button for 2 seconds. The flashing should stop and your remote should work again.

It's the gear drive. There are kits online for about $40, if you're semi-handy you can replace it yourself. Search for liftmaster replacement parts.