Bellcome advanced 2 families, User Manual

Page: 30 / 104

Short circuit in
the system
between +14V
and GND
13/17
Control unit:
S1: green
S2:
PROG :
There is no image on
the display, the
system functions only
on audio mode
3
Identify the spot of the
short circuit.
Remedy the defect and
turn the system on.
4
The CALL does not
function
Control unit:
S1: green
S2: green
PROG:
Terminal:The keyboard
is functioning, it does
not take the call
command.
Outdoor panel:
Emits an error signal .
No CD connection
at the terminals of
the Terminal, or CD
wire interrupted
before reaching the
terminals of the
Terminal.
Connect the CD to the
Terminal or check the
continuity of the CD
wire from the audio
connection box to the
Terminal.
The system does not
Function (Supply
control unit without
accumulator)
2
Control unit:
S1: intermittent green
S2:
PROG :
Identify the spot of the
short circuit.
Remedy the defect and
turn the system on.
Control unit:
S1: green
S2: green
PROG: intermittent
red
Terminal: The keyboard
is functioning, it does
not take the call
command.
Outdoor panel:
Emits an error signal
The CALL does not
function
Remedy the short circuit.
(by case)
Short circuit
between the CD
and GND , +14V
connections.
5
6
Control unit:
S1: green
S2: green
PROG:
During call or
monitoring there is
no image on the
screen of the
Terminals.
All the other
functions of the
system are active
- Check the +Uv
connection between
the Supply control unit
– Video connection
boxes – Terminals.
- Locate and remedy the
defect.
- Lack of tension
between the +Uv and
GNV terminals of the
Terminals
- Lack of Vout
connection at the
terminals of the
Outdoor panel or at the
Vin or Vout terminals
of the Supply control
unit.
The system does not
function
(Supply control unit
without accumulator)
Lack of
tension from
the 230V AC
network
1
Check the 10A fuses
from the electrical
panel and the 1,6A
Fuse 1 from the Supply
control unit input.
Check the continuity of
the supply cables.
Control unit:
S1:
S2:
PROG :
Short circuit in the
system between
+Uv and GNV .