System
Corrective actionProblemComponent
•
Make sure the system is switched on.
•
Check communication cable and connectors.
•
If system is connected to a switch or hub, check
that the extra cable (3 m) is connected in series with
the long (10 m) cable.
•
Reboot PC: shut down Windows, switch off the
system power switch, wait at least 5 sec, restart
system.
•
Reboot system.
No system found when
starting up UNICORN.
Computer
•
Make sure the system is switched on. Check net-
work cables and connectors.
•
Reboot system and PC.
Note:
The system will continue to run even if the connection
to the computer is broken. Data are stored locally and
are transferred to the computer as soon as communica-
tion is restored.
Communication failure
during a run.
Contact between comput-
er and system is broken.
Check circuit breaker, both in system and for external
supply, as applicable.
Note:
If the power failure is local, affecting only the computer,
the system will continue to run while locally storing the
data. Stored data are transferred to the computer as
soon as communication with the computer is restored.
Power failure during a runPower
Note:
If the power failure also affects the system, no data can
be stored and the run will have to be restarted.
Insufficient air pressure caused by, for instance, mal-
functioning air supply equipment or a leaking air hose.
a) Rectify the air supply problem.
b) Restart the run by pressing the PAUSE/-CONTINUE
button.
Compressed air failure
during a run. The alarm
“No air supply to the sys-
tem” is displayed and the
system enters PAUSE
mode.
Compressed air
ÄKTA ready Operating Instructions 28960345 AD 197
13 Troubleshooting
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