
MBG 22, 48, 100 & 150 Key Safe Users manual 2019-06 MBG SWEDEN
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2. Code programming
2.1 How to change the guest code
•Under the door-opening state, input new 4-6 guest codes and “LOCK”, the
display will show “AGAIN”.
•Re-enter the new code and press “LOCK”, the display will show “DONE”
that indicates new guest code changed successfully.
2.2 How to change the master code
•Under the door-opening state, input “0-0-LOCK”, the display will show
“OLD”, input old master code then press “LOCK” to show “NEW”.
•Enter new 6-digit master code (within 10 seconds after “NEW” disappears),
then press “LOCK”, the display will show “AGAIN”.
•Re-enter the new master code and press “LOCK”, the display will show
“DONE” indicates new personal code changed successfully.
3. Open the safe with emergency key
•Remove the screw on the side of the panel, then take off the panel. The
position of the screw is shown in Figure 1.
•Insert the emergency key and rotate clockwise to open the door. Key hole
position shows in Figure 2.