EXFO T200S, Руководство пользователя, Страница: 67 / 146

Tunable Laser Source
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9 Troubleshooting
This section explains how to handle common problems that can occur with your
instrument, and how to ask for support.
Solving Common Problems
The following table lists problems that can occur and their possible solution.
Forcing the T200S to Shutdown & Restart
In case of system crash and frozen screen, you can abruptly turn the T200S off as explained
in the following procedure.
To force the T200S to shutdown and restart:
1.
If the touchscreen is frozen: try to shutdown the T200S as explained in Turning off the
T200S on page 18.
If this does not work, follow the rest of these instructions.
2.
Press the On/Off button during 4 seconds.
The system abruptly stops.
3.
On the rear panel, set the power switch to O .
4. Wait 10 seconds and set the power switch back to I .
5.
Restart the T200S as explained in Turning on the T200S and Accessing the GUI on
page 16.
Abruptly Turning off the T200S (Emergency Shutdown)
In case of emergency (presence of smoke flame or any immediate hazard), you can
abruptly turn the T200S off as explained in the following procedure.
To abruptly turn off the T200S:
Unplug the T200S by pulling the power cable off the T200S power cable connector on
the rear panel (see
Rear panel on page 3).
Trouble Possible cause Possible resolution
Operating system update :
After 15 minutes, the T200S is still
checking for updates.
A problem occurred during
the update checking.
In the update checking window,
touch Cancel and restart the
T200S before running a new
operating system update.
C
AUTION
Do not stop the T200S with this procedure if you can turn it off normally as
explained in
Turning on the T200S and Accessing the GUI on page 16.
C
AUTION
Do not stop the T200S with this procedure if you can turn it off normally as
explained in
Turning off the T200S on page 18.