FAQs
DL3000 lock will not accept Master Code or Master Code is unknown.
"Cold Start" the lock to erase all memory (all User Codes, Schedules, etc.) and to reset the Master Code back to its factory default setting of "123456".
1. Disconnect battery.
2. Press and hold any key (to remove charge from capacitors).
3. Connect battery (sounds "beep-beep-beep").
4. Press and hold any key for several seconds (slow beeps are heard while program is reset).
5. Press the default Master Code: [1] [2] [3] [4] [5] [6].