Rottner EM2020 Manual De Instrucciones página 7

...the lock opens but a series of beeps follow?
Replace the batteries immediately (only use 9V alkaline high quality batteries).
6. CHANGING THE CODE: (WITH THE DOOR OPEN, SEE FIG. C)
Hold down the [0] key until a double signal occurs. The signal lamp stays on during the following
actions.
• Enter old code (double signal).
• Enter new code (double signal) and enter new code again (double signal).
In the event of input errors (long signal), the old code remains active.
Press and hold Key [3] until double signal. The light remains on during the following action.
• Enter main code.
• The secondary code is deleted.
Keep button [5] pressed until a double signal occurs. The signal lamp stays on during the following
action.
Press the number keys [1] [2] [3] [4] [5] [6] [7] [8] [9] [0] one after the other
If a double signal sounds, the pressed button is OK.
If a longer signal tone sounds, the key in question is defective and the key check is aborted. Contact
your dealer.
A series of signals indicates that the battery is weak and must be replaced.
Use only 9 V ALKALINE-batteries!
For Entry Units (Abb.1). The battery compartment is located inside the safe. In case the battery is
drained completely, uncover the power terminals in the front of the Entry Units (Abb.2) and power
with new battery (Abb. 3+4).
Keep battery pressed against the terminals until lock is completely open.
7. DELETE THE SECONDARY CODE: (SEE FIG. D)
8. CHECK KEYBOARD FOR CORRECT FUNCTION
9. CURRENT SUPPLY / BATTERY CHANGE
EM2020 7