44
PA8500-VES System
System Manual | 2014
UK
CR8506-V
|
RT8506-V
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.PMD.
range.connected.to.the.
controller.or.AW5624/48.
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
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