EXFO MaxTester Series - Manual (Page 150)

Troubleshooting
140 MaxTester Series
Solving Common Problems
Unit’s operating time is
reduced.
Battery was not fully
charged.
Charge the battery.
Battery is probably
worn out.
See Service and Repairs on page 153.
Batteries are not
charging.
Ambient temperature
is too high or too low.
Ensure that the temperature in the
location where you charge the
batteries is within the specifications.
AC adapter/charger (or
the car outlet adapter)
is not connected
properly.
Ensure that the adapter/charger (or
the car adapter) is connected both to
your unit and the power outlet.
AC adapter/charger in
use has the wrong
voltage for your unit
(slow blinking red
LED).
Ensure that you use the
adapter/charger provided with your
unit (see Electrical Safety Information
on page 12 for more information).
Even though the battery
has been charged, the
battery LED remains red
and the displayed
charge status (visible
from Home screen or
from Configuration >
System Information >
Capacity) indicates a
battery level below the
critical value.
Battery level has not
been refreshed
properly.
Press and hold down the power
button for at least 12 seconds to force
a hardware reset on the unit. Release
the power button, and then restart
your unit as usual.
The battery level should now be
indicated correctly.
Unit switches to suspend
mode unexpectedly.
Power management
options are not
defined correctly.
Ensure that the definition of the
power options suits your needs. For
more information, see Configuring
the Power Management Options on
page 54.
Problem Cause Solution