EXFO FTB-5800 Chromatic Dispersion Analyzer for FTB-400 - Manual (Page 83)

Chromatic Dispersion Analyzer 77
8 Troubleshooting
Solving Common Problems
Fatal Error Consequences Recommended Solution
Module temperature is
too high for operation.
The module will stop
functioning.
Use the system within the
recommended operation
temperature.
a
a. See Technical Specifications on page 87.
Module temperature is
too low for operation.
The module will stop
functioning.
Use the system within the
recommended operation
temperature.
a
There is a critical module
error.
The module will stop
functioning.
Try restarting the application.
If the problem persists, contact
EXFO.
Operating Error Consequences Recommended Solution
Source power is too high. The reference or
acquisition will not be
permitted.
³
Check if you have the right input
port.
³
Check if there is an amplifier in
your fiber link.
³
Use the intensity meter to check
the source’s signal.
³
Add an attenuator to the link.
Source power is too low. The reference or
acquisition
will not be permitted.
³
Check if the fiber link is
damaged.
³
Use the intensity meter to check
the source signal.
³
Check your connections.
³
Make sure your fiber link is not
too long.