Troubleshooting: Instrument Communication - GE AKTApure User Manual

8.8 Troubleshooting: Instrument communication

Scenario
Multiple error messages in
UNICORN: Lost modules
UNICORN has lost communi-
cation with the instrument
server
Warning message in
UNICORN: Instrument mod-
ule is missing
Warning messages in
UNICORN: (Warning) Two
instrument modules have
the same Node ID
ÄKTA pure User Manual 29119969 AB
Possible cause and action
• A cable to a module (including Module Panels) is not connected
Connect the cable:
1 Switch off the instrument.
2 Check all modules and connections.
3 Switch on the instrument.
4 In the displayed dialog in UNICORN, select the option Restart
the system only and click OK.
• A UniNet-9 connector is not plugged
Check that all UniNet-9 connectors that are not in use are
plugged.
• The UNICORN client has lost connection to the instrument
server during a temporary overload of the processor
Restart the UNICORN client to regain control. The run continues
and no data will be lost.
• The module is not functioning properly
In the displayed dialog in UNICORN, select the option Restart the
system only and click OK.
If the problem still remains, replace the module or contact Service.
• Two or several modules have the same Node ID
Change to correct Node IDs:
1 Switch off the instrument.
2 Check the Node ID for all modules, see Section 9.16 Node IDs,
on page 503.
3 Switch on the instrument.
4 In the displayed dialog in UNICORN, select the option Restart
the system only and click OK.
8 Troubleshooting
8.8 Troubleshooting: Instrument communication
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