46
PA8500-VES System
System Manual | 2014
UK
CR8506-V
|
RT8506-V
8.4.1.6 INPUT ERROR
Diagnostics of the local control inputs
From.the.FAULTS.panel.(point.8.4.1),.press.numerical.key.
5
.to.access.the.panel.for.viewing.the.diagnostics.
of.the.local.control.inputs..The.diagnostic.state.of.each.item.monitored.is.reported,.as.shown.in.the.following.
table..Press.ESC.to.return.to.the.panel.FAULTS.
8.4.2
IMP. REAL TIME
|.
Real-time line impedance
Panel.for.checking.the.impedance.values.measured.in.real.time,.and.percentage.variations.from.the.value.stored.during.start-up,.using.the.“Line.
impedance.acquisition”.procedure.
.
The.lines.being.used.are.listed..You.can.select.a.numerical.key.to.access.the.corresponding.panel.indicating.
the.impedance.measured.in.Ohms.referred.to.the.parallel.of.lines.A.and.B.connected.to.that.line..
8.4.1.7 COMMUNICATION FAULT
.
Diagnostics of the internal data communication of CR8506-V
From.the.FAULTS.panel.(point.8.4.1),.press.numerical.key.
6
.and.access.the.panel.for.viewing.the.diagnostics.
of.the.internal.data.communication.of.CR8506-V..The.diagnostic.state.of.each.item.monitored.is.reported.in.
the.following.table..Press.ESC.to.return.to.the.panel.FAULTS.
Label
Data being diagnosed
Display
Cause
Action required
I2C.bus
Data.communications.between.the.CPU.
and.the.keys.and.front-panel.LEDs
All
Fault
Internal.communication.failure.
Contact the Service Centre.
SPI
Data.communication.between.CPUs.
All
Fault
Internal.communication.failure.
Contact the Service Centre.
Tab..8.4.1.7
Label
Part being diagnosed
Display
Cause
Action required
No.input..
fault.found
Input.contacts.
1.to.8
Empty.
list
No.failure,.or.monitoring.not.
enabled.for.any.input.contacts
-
Input.in.fault:
List.
number.of.
inputs
Break.or.short.circuit.in.the.line.
connecting.the.contact.
Check.integrity.of.the.line.connecting.the.balancing.
resistors.and.the.activation.contact..If.the.problem.
persists,.disconnect.the.line.connecting.the.
activation.contact.and.connect.a.20.k
W
.resistor.
between.the.+24V.service.terminals.and.the.control.
input..If.the.problem.persists,.contact.Servicing.
Inputs.fault.
resumed:
Failure.cleared.due.to.previous.
failure.signal
Access.the.Report>.FAULTS.panel.from.the.
OPERATOR.menu.and.carry.out.a.MANUAL.
RESET.of.the.FAILURE.signal.
General.Input.
Fault:
Empty.
list
Failure.of.the.internal.communi-
cation.between.the.CPU.and.the.
inputs.controlled.stage.
If.the.problem.persists,.contact.Servicing.
General.Fault.
resumed:
Failure.cleared.due.to.previous.
failure.signal
Access.the.Report>.FAULTS.panel.from.the.
OPERATOR.menu.and.carry.out.a.MANUAL.
RESET.of.the.FAILURE.signal.
Tab..8.4.1.6
If.the.percentage.of.variation.exceeds.the.level.of.tolerance.set.at.the.time.of.configuring.the.system,.a.“LOUDSPk.LINE.FAULT”.due.to.an.
excessively.high.or.low.impedance.(Impedance.Hi.or.Impedance.Low).will.be.signalled.
Press.ESC.to.return.to.the.INSPECTION.panel.
Summary of Contents for CR8506-V
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