Alcad 96 Serie Manual De Instrucciones página 17

P O R T E R O
OPERATING PROBLEMS
If the unit does not work, connect up a single telephone to
terminals 1,2,3,4 and to a push button on the entrance
panel. In this way, you will be able to check wether the
problem is in the entrance panel or in the telephone
connection.
Nothing works.
Check the mains voltage in the power supply. Check
that the voltage between
is 12 Vac. Check wether there is a short circuit and fix
it. Disconnect the power supply for 1 minute and then
connect it up again.
If it still doesn't work, disconnect all the power supply
and V terminals, and check that the voltage between
and V is 12 Vac, if it is not, then there may be
something wrong with the power supply.
The card holders don't light up.
Check that the voltage between
supply is 12 Vac.Check that the voltage between 9
and 10 in the audio unit, with the lighting push button
activated, is 12 Vac. Check wether the lamp has burnt
out.
The lighting push button pilot does not light up.
Check that the voltage between the
audio unit is 12 Vac. If the voltage is correct, there may
be something wrong with the audio unit.
You cannot hear any telephone from the entrance
panel.
Check connections 2 and 3 from the audio unit to all
the telephones. Check the volume control on the panel
and the lighting push button pilot.
A telephone cannot be heard from the entrance
panel.
Check connections 2 and 3 from the audio unit to the
telephone. If you cannot find the fault, there may be
something wrong with the telephone.
The entrance panel cannot be heard on any
telephone.
Check the connections 2 and 4 from the audio unit to
E L E C T R Ó N I C O - D O O R
and V of the power supply
and V of the power
and V of the
E N T R Y S Y S T E M S -
all the telephones. Check the volume control on the
telephones (on the panel) and the lighting push button
pilot. If you cannot find the fault, there may be something
wrong with the audio unit.
You cannot hear the entrance panel on a telephone.
Check connections 2 and 4 from the audio unit to the
telephone. If you cannot find the fault, there may be
something wrong with the telephone.
You can hear whistling on the panel. The sound
produces feedback.
Reduce the volume of the sound using the volume control
on the audio unit.
You cannot hear the call tone on any telephone.
Check that the voltage between 2 and 7 on the audio
unit, without pressing the push button, is 9 Vdc. Check
the connection between 7 on the audio unit and the
push buttons. Check connection 2 from the audio unit
to the telephones. If you cannot find the fault, there may
be something wrong with the audio unit.
You cannot hear the call tone on a telephone.
Check connections 2 and 5 from the telephone to the
entrance panel. Check wether the telephone is off the
hook. Check the push button connection on the entrance
panel.
If you cannot find the fault, there may be something
wrong with the telephone or the panel push button.
You cannot hear the call confirmation on the
entrance panel.
Check that you can hear the telephones on the entrance
panel. Check that the call tone rings on the telephones.
If you cannot find the fault, there may be something
wrong with the audio unit.
The door-opener doesn't work.
Check that the voltage between 1 and 2 on the audio
unit, without pressing the door-openers, is 18 Vdc.
Check that the voltage between 11 and 12 on the audio
unit, when you press the door-openers, is 12 Vac. If
you cannot find the fault, the lock may be broken.
I N T E R P H O N E É L E C T R O N I Q U E