42
PA8500-VES System
System Manual | 2014
UK
CR8506-V
|
RT8506-V
8.4.1.2 LOUDSPK. LINE FAULT
Diagnostics of line speaker units
From.the.FAULTS.panel.(point.8.4.1),.press.numerical.key.
1
.and.access.the.
panel.for.viewing.the.loudspeaker.line.diagnostics:.the.diagnostics.for.each.
output.zone.are.shown.as.indicated.in.the.following.table.
.
Press.ESC.to.return.to.the.FAULTS.panel.
Note
1
:
To eliminate a short circuit between lines A+B and then reset the amplifier on the line, simply press RESET.
Note
2
:
“Impedance. Hi”. and. “Impedance. Low”. failures. are. not. reported. if. the. tolerance. is. set. at. a. higher. level. than. the. measured. variation. of. the.
impedance.or.if.the.test.is.disabled..For.details.concerning.programming,.see.the.
SET TOLERANCE
panel
(point 8.6.2, page 51).
8.4.1.3 VOICE ALARMS FAULT
Diagnosing faults of the VES emergency sources
From. the. FAULT. panel. (point. 8.4.1),. press. numerical. key.
2
. and. access.
the.panel.for.viewing.the.diagnostics.of.the.VES.emergency.sources..The.
diagnostic.state.of.each.item.monitored.is.reported,.as.shown.in.the.following.
table.
For.some.items.of.equipment.it.may.be.necessary.to.access.the.sub-panel,.
by.pressing.the.corresponding.numbered.key.
Press.ESC.to.return.to.the.panel.FAULTS.
Tab..8.4.1.2
Label Part being
diagnosed
Signalling
Cause
Action required
A
LL
Ok
No.failure
-
Line.1
Speaker.units
Zone.1
Short.A
Short.circuit.on.the.line.connected.to.
output.A.
Eliminate.the.short.circuit.and.
carry.out.a.MANUAL.RESET.of.
the.FAILURE.signal.(from.the.
OPERATOR.menu)
Line.2
Speaker.units
Zone.2
Short.B
Short.circuit.on.the.line.connected.to.
output.B.
Line.3
Speaker.units
Zone.3
Short.A+B
Short.circuit.on.both.lines.of.the.zone..
(Note
1
)
Line.4
Speaker.units
Zone.4
Impedance.Hi
Impedance.level.higher.than.acquired.
value.detected,.beyond.the.tolerance.set.
during.configuration.(Note
2
)
Check.the.connections.of.the.speaker.
units.and.if.necessary.repeat.the.line.
acquisition. procedure. (ACqUIRE.
IMPEDANCE)
Line.5
Speaker.units
Zone.5
Impedance.Low Impedance.level.lower.than.acquired.value.
detected,.beyond.the.tolerance.set.during.
configuration.(Note
2
)
Line.6
Speaker.units
Zone.6
Res..imp..Hi
Failure.(“Impedance.Hi”.signal).cleared
Access. the. Report. >. FAULTS. panel.
from.the.OPERATOR.menu.and.carry.
out.a.MANUAL.RESET.of.the.FAILURE.
signal
Res..imp..Low
Failure.(“Impedance.Low”.signal).cleared
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