Conventional Systems Technical Manual - Alcad

You cannot hear one of the telephones.Check connections 3,2 from the telephone in the dwelling tothe concierge telephone. If you cannot find the fault, there maybe something wrong with the telephone in the dwelling.You cannot hear the entrance panel.Check connections 4,2 from the concierge telephone to theentrance panel. Check the entrance panel volume. If you cannotfind the fault, there may be something wrong with the conciergetelephone or the entrance panel audio unit.You cannot hear the call confirmation in concierge.Check that you can hear the telephones in the dwellings.Check that the call tone rings on the telephones. If you cannotfind the fault, there may be something wrong with the conciergeaudio unit.You cannot pass the call from the main entrancepanel to the dwelling.Check that the entrance panel is defined as the main one (J1jumper installed). Check the connections between terminals17,18 between the concierge audio unit and the main panel.Check the connection of terminals 17,18 between the conciergeaudio unit and the concierge telephone push button. Checkthat the voltage between 17,18 on the audio unit with the pushbutton pressed down is 0 Vdc, if this is not the case, there maybe something wrong with the push button.The system entrance panels are not deactivatedwhen you call from concierge to the telephones orconcierge from telephones.Check connections 17,18 between the concierge panel andthe various entrance panels in the system. Check that the voltagebetween 17,2 on all the panels is 8 ±10% Vdc, when youcall from concierge or from the dwelling. If you cannot find thefault, there may be something wrong with the concierge audiounit.STANDARD INSTALLATION IN BUILDING WITH SEVERAL POINTS OF ENTRY.WITH CONCIERGE UNITNothing works.Check the mains voltage in the power supply. Check that thevoltage between V~, of the power supply is 12 ± 10% Vac.Check wether there is a short circuit and fix it. Disconnect thepower supply for 1 minute and then connect it up again.If it still doesn't work, disconnect all the power supplyV~, terminals, and check that the voltage between V~, is12 ± 10% Vac, if it is not, then there may be something wrongwith the power supply.Check the CC1 connector connection in the concierge telephone.Check that the voltage between 13,2 in the audio conciergeis 9 ±10% Vdc. Check the CC2 connector connection inthe concierge. If you cannot find the fault, there may be somethingwrong with the concierge telephone.The concierge does not work.Check the CC2 connector connection in the concierge telephone(red wire at the top, terminal side; grey wire at the bottom,switch side). Check connections 13,14 from the conciergeaudio unit to the audio concierge and the entrance panels.Check that the voltage between 13,2 with the key in the ONposition is 9 ±10% Vdc. If you cannot find the fault there may besomething wrong with the concierge audio unit.The card holders don't light up.Check that the voltage between V~, of the power supply is12 ± 10% Vac.Check that the voltage between 9,10 in the audiounit, with the lighting push button activated, is 12 ± 10%Vac.Check wether the lamp has burnt out.The lighting push button pilot does not light up.Check that the voltage between the V~, of the audio unitis 12 ± 10% Vac. If the voltage is correct, there may be somethingwrong with the audio unit.There is no ringing tone when you make a callfrom the telephones.Check connections 1,2 from the concierge telephone to thetelephones. Check that the voltage between 1,2 in the audioconcierge, without pressing the electric lock button is 5 Vdc.Check connections 13,14 on the concierge telephone with theconcierge panel. Check that the voltage between 13,2 is 9±10% Vdc. Check that the concierge telephone has been hungup. If you cannot find the fault, there may be something wrongwith the concierge audio unit.When you call from one of the telephones, it doesnot ring.Check connections 1,2 from the telephone in the dwelling tothe concierge telephone. Check that the voltage between 1,2on the audio concierge, without pressing the electric lock buttonon the phone in the dwelling, is 5 ±10% Vdc. Check thatthe concierge telephone is hung up. If you cannot find the fault,there may be something wrong with the telephone in the dwelling.292