Exfo FG-750 Manual do Utilizador Página 300

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Troubleshooting
286 FG-750
LED Indicators Description
LED Indicators Description
The LEDs on your unit help you determine its current status. They are
located on the front panel.
For the power and system LEDs, if more than one error is detected at the
same time, the color of the LED will be set according to the most severe
error (red as the most severe, followed by yellow).
The table below presents the possible statuses once the initial startup
sequence is complete.
LED Status Meaning and Possible Solution
Power Green The unit is on and there are no voltage
problems.
Yellow Non-critical voltage error detected. You can look
in the Host Web UI for more information
(see Viewing System Status on page 290).
One of the power supply module could be
missing or defective.
Ensure that both power supply modules are
present and functioning properly. If necessary,
replace the defective power supply
(see Replacing the Power Supply Modules on
page 257).
If the problem persists, contact EXFO.
Red Critical voltage error detected.
Contact EXFO.
Off The unit has been disconnected from all its
power sources.
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