A few possibilities. First reprogram guest key then dip. If not fixed, load pp and Initialize lock. If not fixed confirm proper operation of pp by Initializing a known working lock. If pp is in good shape, change control board and Initialize. Your problem should now be fixed.
Q: How do I set or reset a Master Lock combination padlock that has a ... Q: How do I change the combination on a Set-Your-Own combination lock model #643D?
Begin by opening your Combination Lock Box. To open a new lock box for the first time: Move all 3 digits to 0-0-0. Make sure all digits are centered on the ...
no info generic answer since no model given notify weiser or look up site for manual http://www.weiserlock.com/PDFs/install_sheets/SmartCodeLeverManual.pdf