52
8 Troubleshooting
Solving Common Problems
Problem
Possible Cause
Solution
The unit does not turn on.
You did not press
long enough.
AC adapter/charger
not connected.
Main battery
discharged.
Weather too cold.
Press
for 2
seconds.
Connect AC
adapter/charger and
charge battery.
The unit takes very long to
turn on.
Too many values saved
in memory.
Delete all data from
the unit.
Battery does not charge as
expected.
Temperature too
high.
Battery incorrectly
connected.
Incorrect charger
used.
Ensure temperature is
within specifications.
Ensure battery is
connected properly.
Use the correct
charger.
Unable to change power
meter wavelength.
Unit receiving Auto
(or REF) signal
from source.
Change source mode
(see
Modulating the
Source Signal
on
page
33), then retry.
Only one
wavelength in list.
Add wavelengths.