Troubleshooting - Dometic PREMIUM MDD 403 Instructions De Montage

Troubleshooting

End of SD card transfer
Wait when opening with R.E.O.S.
code
Repeat R.E.O.S. code
Safe blocked due to back cover
secured with anti-tamper code
Safe blocked due to use of
mechanical key with anti-tamper
code
Safe blocked
Wait when opening with anti-
tamper code
Repeat anti-tamper code
Code requested
11 Troubleshooting
If you are unable to rectify the fault, get in touch with a specialist workshop.
Display Fault
BAT-LO The safe does not
close.
ERROR A continuous audible
signal sounds.
The safe will not accept
the master code.
ERROR 2 The bolts do not
extend completely.
26
Display
DSDXX
DELAY
REPEAT
A-001
A-002
DELAY
DELAY
CODE
Possible cause
The battery is low.
False code
Time for entering code
has elapsed.
Wrong master code
The locking
mechanism is not
functioning correctly.
MDD403
Sound
3 short beeps
3 short beeps
3 short beeps
3 short beeps
1 short beep
Suggested remedy
➤ Replace the batteries.
➤ Enter the correct code.
➤ Enter the code within
8 seconds.
➤ Enter the correct master
code.
➤ Make sure the bolts are
not jammed in the
cupboard.
➤ Check the connections
on the circuit board.
➤ Replace the motor.
EN