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TROUBLESHOOTING HINTS
O Nothing operates.
w Check the output power supply voltage between '–' and '+' is of 18Vd.c. Otherwise,
disconnect the power supply from the installation and measure again. If its correct now, it
means there is a short circuit in the installation. Disconnect the power supply from the
mains and check the installation.
w Check the polarity wiring.
w Check the JP2 configuration jumper of the door panel and the telephone/s are properly
configured, (see page 33 for the door panel and page 37 for the telephone).
O Telephone don't receive calls.
w Check the output power supply voltage between '–' and '+' is of 18Vd.c. Otherwise,
disconnect the power supply from the installation and measure again. If its correct now, it
means there is a short circuit in the installation. Disconnect the power supply from the
mains and check the installation.
w Check the polarity wiring.
w Check the JP2 configuration jumper of the door panel and the telephone/s are properly
configured, (see page 33 for the door panel and page 37 for the telephone).
O Inappropiate ring tone volume.
w Adjust the telephone call volume, (see page. 37).
O Inappropiate audio level.
w Adjust the audio levels as shown on page 33.
O Does not work the intercom.
w Remember that this function is only possible on installations with more than one telephone.
w Check the intercom function steps have been realized correctly, (see page 37).
O Door open function no operates.
w Remember that this function is only available with handset picked up, without call reception or
during a process of communication.
w Check the lock release and its wiring.
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