Owner's manual

VDSL2/ADSL2+ Multi-play Test Set 109
9 Troubleshooting
Solving Common Problems
The table below presents common problems and their solution.
Problem Possible Cause Solution
Impossible to turn on unit.  You did not press
long enough.
 Battery discharged.
 Battery is missing.
 Unit temperature is too
cold or too hot.
 Press for a few
seconds.
 Charge battery by
connecting the AC
adapter/charger.
 Insert a battery and
replace battery back
panel.
 Make sure that the unit is
within the operation
temperature range. You
might have to wait for the
unit to warm up/cool
down.
Battery does not charge as
expected.
 Temperature is too
high.
 Battery is incorrectly
connected.
 Ensure temperature is
within specifications.
 Ensure battery is
connected properly.
A battery status LED is red.
 Battery temperature is
too high.
 Battery is defective.
 Shut down the unit by
pressing and holding
it down for more than
10 seconds and/or until
the power LED goes off.
 Wait for the unit to cool
down, and then reboot it.
 Contact EXFO or replace
the battery.