ID
2
net Installation & Commissioning Manual
12997-448-000-2, Issue 2
July 2004
Trouble Shooting Guide
5 Trouble Shooting Guide
5.1 Fault Messages - Possible Causes and
Remedies
When configuring the ID
2
net network you may be alerted
at the panel by one or more of the following hardware or
system fault messages.
A list of possible fault messages with a brief description
of what action may be needed is provided below:
ID
2
net: Network card missing
The ID
2
net Network Gateway Module (NGM) has not
been detected, although it has been configured as
present on the network (see Section 4.2 Assigning
Panels to the Network).
Action: Make sure the NGM PCB is fitted in every panel
where the Online column is ticked. Alternatively, check
that the NGM PCB has been correctly installed as described
in the instruction sheet (ref. 997-449).
ID
2
net: Network startup fault
ID
2
net: Network runtime fault
Network startup and runtime faults are attributable to
localised NGM PCB errors. The messages can occur
individually or together. The Network startup fault message
is displayed if either of the following situations occur:
a. Failure of the NGM PCB to start initially, or
b. Failure of the NGM PCB to start after the occurence
of a runtime fault, such as a panel/NGM PCB
communication loss.
The Network runtime fault is displayed only if the NGM
PCB stopped working after a period of working correctly.
If this is not quickly followed by the Network startup fault
message, this means that the NGM PCB has successfully
re-started.
Action: If these fault messages persist, replace the NGM
PCB.
ID
2
net: Channel 1 Link Fault
This fault is most likely to occur in the event of a broken
network connection, i.e. short or open circuit cable or
broken optical fibre. It may also indicate that there is a
NGM PCB hardware fault.
There would normally be two fault messages - one at
each panel either side of the cable fault. In some
situations only one message may be displayed where
communication is only operating in one direction.
Check that the appropriate jumper link is fitted; this is
dependent upon the connection medium used for the link,
i.e. copper-conductor cable or optical fibre. Refer to the
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