Replacing The Batteries; Display Messages - Dometic MD310 Installation And Operating Manual

MD310, MD390, MD450
9

Replacing the batteries

The batteries must be replaced after no later than one year. The batteries must also
be replaced immediately if "LO-BAT" is shown on the display.
I
NOTE
• Use four high-quality alkaline AA/LR6 batteries (1.5 V).
• Pay attention to the polarity.
• Always change all batteries at the same time.
1. Take off the cover (fig. 5 1, page 4).
2. Remove the four used batteries from the battery compartment (fig. 5 2,
page 4).
3. Insert four new AA batteries into the battery compartment.
4. Replace the cover over the interior section.
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Display messages

Press CLEAR
Press CLOSE
Key in guest code to open the safe
Key in guest code to close the safe
Incorrect sequence or error entering
code
Enter new master code
Repeat master code
After changing the master code
Low battery detected
3 x error entering code
Error in locking mechanism while
opening
Error in locking mechanism while
closing
EN
Display
OPEN + OPENED
CLOSE + CLOSED
E-CODE
NEW
AGAIN
DONE
LO-BAT
HOLD15
E-RUN
E-RUN
Replacing the batteries
Sound
1 beep
1 beep
2 beeps
1 beep
3 beeps
1 beep
3 beeps
2 beeps
2 beeps
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