OTAU-9150 59
5 Troubleshooting
Solving Common Problems
Before calling EXFO’s technical support, you may want to consider the
following solutions to problems that could occur.
Problem Possible Cause Solution
My unit does not start.
Its power LED ( )
remains off when I press the
on/off button.
There is a problem related
to electrical power.
If your unit is connected
to DC power, make sure
that the disconnect
device is turned on.
If your unit is connected
to AC power, make sure
that the external power
supply is connected at
both ends, and that the
disconnect device is
turned on.
If the unit is connected
to DC power, ensure
that the wires are
connected properly,
respecting polarity
(see Connecting Your
Unit to a Power Source
on page 23).
I cannot sign in to my
account with my user name
and password.
The application locked your
account after five or more
unsuccessful connection
attempts.
Wait a few minutes before
attempting a new
connection. After eight
unsuccessful attempts, you
will have to wait 15 minutes
before trying again.
You forgot or lost your
password.
Create a new password with
FMS. For more information
about FMS, refer to its user
documentation.
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