To change the master password (Master Code) on an AEI DK-9830
123456, 888888, or 65535. Some units have no default password (blank).You will be prompted to enter the Old Password . Type it in and press OK . aei dk 9830 change password
| Problem | Likely Cause | Solution | |--------|--------------|----------| | # 123456 # does nothing | Master code changed or keypad in lockout | Factory reset | | No beep after programming | Wrong master code | Retry or reset | | Can’t exit programming mode | Stuck in menu | Power cycle unit | | New master code doesn’t work | Used less/more than 6 digits | Must be exactly 6 digits | | User code not opening door | Wiring issue or wrong slot | Check relay wiring, try slot 01 | To change the master password (Master Code) on