MAN0923_Issue 3_04/15 Touchpoint Pro
Operating Instructions
131
Category Fault / Problem Possible Cause Remedial Action
Modbus No response from
Touchpoint Pro
Check the address parameter used in requests issued by the
host computer system matches the address allocated to the slave
node. In multi-drop systems check that all nodes have a unique
address.
Module
configuration
Module is still
showing as present
and available for
configuration in the
System Setup
Module has not
been properly
removed from the
system
Follow the instructions to remove a module from the system, see
Maintenance, How to Remove or Decommission an I/O Module
PC Configuration No PC Configuration
SW connection
Check IP settings, check proper cable connections. The PC should
be connected to the Ethernet port of the Touchpoint Pro Control
Module.
System System does not start Check power supply / wiring, check fuses. Check RCD and UPS/
Battery Backup if fitted.
System Ring communication
faults observed
Check the Active Events screen for details of the location of the
connection break.
or
Check the LEDs on each Ring Coupling Module (RCM) in the
system. The LED flashes to indicate that data is being received,
therefore if an LED is not lit, there is a problem in the preceding
section of the ring network.
LEDs on the Ring coupling module indicate the presence of an
incoming signal and they do not take into account the quality of
the incoming signal.
Check the cables and connections in the area where the fault is
indicated.
System The Event History file is
too large to be viewed
The event history
file has become too
large for the local
system memory to
process it
Please use the PC Configuration Software to view the Event
History, or contact your local service representative who will be
able to receive the file by e-mail and process it for you
System The system is
consistently reporting
CCB communication
failure
There is a small
chance that the
CCB has failed
If the problem cannot be remedied by a power cycle, schedule
maintenance to fit a redundant CCB, or to replace the master
CCB. Please contact your local service representative for further
assistance
Ring Oscillation
Fault
Ring faults are present
or have occurred on
the system when
commissioning a
module or ring circuit.
This may occur
when all modules
are unconfigured,
some modules are
unconfigured, or
some modules
are foreign
(unrecognised)
modules
Remedial action:
1. Take the unconfigured or foreign modules out of the system
2. Clear the ring fault from the system
3. Insert the unconfigured or foreign module back in the system
and continue with commissioning.
9. Problem Solving
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