Your garage door opener is equipped with an integrated receiver logic board that "talks" to your keyless entry wirelessly, whereas your wall-mounted door control panel is hard-wired. The wireless keyless entry and wired door control operate independently, so it is not uncommon for one device to work while the other does not. The most common cause of failure in a keyless entry is a depleted battery. If the battery has already been replaced the problem may be a failure with the keyless entry or the receiver logic board. The most common cause of failure in a keyless entry is a depleted battery. If the battery has already been replaced the problem may be a failure with the keyless entry or the receiver logic board. Battery depleted Replace the battery. Most of the keyless entries use a 9-volt battery. Some of the older models use a 12-volt. Needs to be reprogrammed After replacing the battery, you may need to reprogram your keyless entry. See How to add, program or change a Keyless Entry PIN ( Video ) If reprogramming does not help, clear the memory of the opener and try to reprogram again. Keep in mind you will need to program any remotes that are currently programmed to your opener. Issue with a button on the keypad On a keyless entry, it is possible a button on the keypad is not working. Try to program a completely different PIN. If it works, one of the numbers in the old PIN may have stopped functioning. Either use the different PIN or replace the keyless entry. A temporary PIN has expired A temporary PIN number will no longer open the door once it expires, however, it can still be used to close the door. Clear the memory and program the keyless entry. The surface the keyless entry is mounted on is causing interference The surface the keyless entry is mounted to may be interfering with the signal. Remove the keyless entry from the mounting surface and test the keyless entry. If the keyless entry works, add rubber grommets between the keyless entry and the mounting surface. You can also mount the keyless entry on a small piece of wood.