digit al - Auta

F.A.Q.
DAMAGES LIKELY REASON SOLUTION
Teclado Video F.A.Q. - Fonía
NO WORKING AT ALL No power Test P.S.U. (Power Supply Unit)
The fuse has gone
Test fuse
Cut off or short-circuited lines
Test wiring
____________________________________________________________________________________________________
THE CALL IN THE FLATS DOES Line 12 cut off Test wiring
NOT SOUND Faulty push-button Replace push-button
TF-89
Buzzer spool is cut off
Replace buzzer
Cp line wrong connected
Connect line Cp in the terminal C
TF-92 & ANALOG. COMPACT PHONE
Loudspeaker spool is cut off
Replace loudspeaker
Cp line wrong connected
Connect line Cp in the terminal O
ANALOGICAL COMPACT MONITOR
Loudspeaker spool is cut off
Replace loudspeaker
Cp line wrong connected
Connect line Cp in the terminal O
Faulty monitor´s bracket
Replace monitor´s bracket
The monitor´s handset is incorrectly hung up Hung the monitor´s handset correctly up
_____________________________________________________________________________________________________
FEEDBACK Volume excessive on panel Volume potentiometers in speaker must be
adjusted
____________________________________________________________________________________________________
NO AUDIO WITH HE PANEL Inverted 3 & 7 lines Test wiring
No power between speaker’s + & -
Test wiring and power
faulty MF-S
Replace MF-S
Cut off telephonic wiring
Replace telephonic wiring
____________________________________________________________________________________________________
NO SOUND ON PANEL Line 3 is cut off Test wiring
Cut off telephonic wiring
Replace telephonic wiring
faulty MF-S module
Replace MF-S module
____________________________________________________________________________________________________
NO SOUND ON MONITOR OR PHONE Line 7 is cut off Test wiring
Cut off telephonic wiring
Replace telephonic wiring
Faulty phones´s loudspeaker
Replace phones´s loudspeaker
____________________________________________________________________________________________________
NO PICTURE ON THE MONITOR Faulty coaxial cable Test coaxial cable
No power
Test T-N lines & P.S.U.
Faulty CCD camera
Replace MV-D
____________________________________________________________________________________________________
GREY PICTURE & NO CONTRAST Unadjusted monitor’s potentiometers Adjust monitor’s potentiometers
IN THE MONITOR DVC-4S incorrectly configured Pull all the distributor’s jumper away
except the last one.
Direct light on the camera
Avoid direct light on the camera
Faulty CCD camera
Replace MV-D module
____________________________________________________________________________________________________
ROLLING MONITOR PICTURE DVC-4S incorrectly configured Pull all the distributor’s jumper away
except the last one.
no RG-59 coaxial cable is being used Replace by RG-59 or reinforce -
____________________________________________________________________________________________________
CARDHOLDER LIGHTING DOES NOT Burnt out lamp Replace the lamp
LIGHT ON No power between R – C Test wiring and P.S.U.
____________________________________________________________________________________________________
ELECTRICAL STRIKE DOES NOT WORK Line 10 cut off Test wiring
Faulty phone’s or monitor’s release button Replace release button
Faulty Electrical Strike
Replace electrical strike
64