VAIE 2000 | Voice Alarm Integrated Systems System Manual | 2013
UK
98
VAC 2006 • VAR 2006
8.4.1.4 AMPLIFIER FAULTS
Power amplifier diagnostics and GND fault
From the FAULTS panel (point 8.4.1), press numerical key 3 and access the
panel for viewing the power amplifier diagnostics and ground faults of the
loudspeaker lines.
The diagnostic state of each item monitored is reported, as shown in the
following table (Table D).
Press ESC to return to the panel FAULTS.
Label Part being diagnosed Display Cause Action required
All All
OK No failure -
N.T.
NOT TEST. Diagnostics
disabled during configuration
(See Set> BACKGROUND
TEST menu)
-
Res.
Failure cleared due to
previous Fault signal
Access the report> FAULTS panel from the
OPERATOR menu and carry out a MANUAL
RESET of the FAILURE signal.
Amplifier n
Amplifiers of the DPU
range connected to the
controller or MPA 5240/48
amplifiers connected to
the router
Amp ok -
Input 20kHz
Check that the connection
between the controller and the
amplifier is sound.
Check that the connections between the
controller, the amplifier and the router have
been made correctly.
If the failure persists, contact the Service
Centre.
Out 20kHz
Make sure that there is an
output signal on the line.
Make sure that the amplifier has been
connected to the network and switched on.
If the failure persists, contact the Service
Centre.
Gnd Fault
Check the insulation between
the loudspeaker lines and
earth.
Check the connections of the loudspeaker
lines. If the failure persists, contact the
Service Centre.
Tab. 8.4.1.4
o
D
RESET
@
@
@
EVAC.
ALRM
FAULT
DIS.
SYS.
BATT.
ON
000000
MENU
AMPLIFIER
FAULTS
Line
1 Amp.
OK
@
Line
2 Amp.
Res.
Line
3
not
used
@oK
Line
4
not
used
Line
5
not
used
@
Line
6
not
used
ESC
@ @ @ @ @ @
2
3
4
5 6
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