Dometic MD310 Installation And Operating Manual page 11

MD310, MD390, MD450 Using the safe
8.2 Emergency opening using master code
The master code is necessary if guests have left the safe locked or have forgotten
their code.
Opening safe with the master code
PIN 6X
➤ Enter the correct six digit master code.
✓ The display shows the message OPEN.
✓ The door opens.
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