Another thing that comes to mind is how you are using the keypad. I was doing it wrong at first, maybe you are too? the process is you enter the pin, then press the mode to active. I was pressing the mode, then entering the pin, and pressing the check mark to accept, which is similar to how some security system I used in the past worked. But this does not use the check mark with Hubitat. I think that is for when you are registering the pin codes at the keypad directly.
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