Telecom Behnke a Serie Manuel page 89

Occasional call activation of door intercom
devices
▸
Additional call buttons connected, remove
buttons, do not connect buttons in parallel
▸ Please note the button connection cable
length if the basic electronics is detached.
Please refer to the corresponding basic elec-
tronic details.
▸
External button connected, check button for
functionality, bounce, freedom from poten-
tials, no common mass.
Security code if the door intercom device is
unknown
▸
Hardware reset required
1. Remove telephone line (a / b)
2. If applicable, remove additional 12V to 15V
power supply
3. Remove EEprom (component on the top
right of the board with four legs both on
the left and the right side, Cf. chapter "3.1.
Wiring diagrams" from page 60)
4. Insert telephone line and wait until the elec-
tronics has beeped 3 times
5. Re-insert EEprom (under connected a / b
line)
6. Press the * key to reset and hold until
the electronics boots with a beep sound.
Release button.
Press the # key to fully reset the device and
hold until the electronics boots with a long
beep sound.
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Manual Door intercom devices a / b series 20 / 30 / 40 / 50 / 20-0028A/-0028B
Delete configuration value (e.g. telephone
number)
▸
Start set-up mode
▸
Enter configuration step and confirm with #
The set configuration value will be deleted.
GB
FAQ
89