Issues with dust and grime is another possibility.When that’s the case the, you can close the garage door, but opening it becomes impossible since you’re not using a valid PIN. Were you using a temporary PIN to open the door? If that is the cause behind the door not opening, the good news is that it will be solved by having it reprogrammed by a pro and it will once again work.Any amount of loose contact could cause the buttons to work periodically or only if sufficient force is applied. Frayed wiring becomes an issue hindering the right signal from being sent, and the pro will open the device to see if that is in fact what is going on. Loose connections can be a horrible thing, and if your code is 3159, but the number 5 isn’t being sent through, the keypad will only ever see you typing 319, causing it to not let you in. The problem could be due to electrical wiring issues. The buttons might have gone loose and isn’t actually triggering the reaction inside the keypad that they’re supposed to.One of the possible solutions is to mount the device on a different type of material to see if it solves the problem or not. In this case, you will want to see if it’s in fact the surface that is the issue. Interference caused by the surface that the keypad is mounted on. When the keypad is not lighting up, this could very well be an indication that the battery is no longer working. Yes, since the whole thing is being operated using the energy from a battery, that battery needs occasional changing too.
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