Appendix
42
Troubleshooting
Before you assume that the product is malfunctioning,
confirm the following contents.
Trouble
Detail
Page
Cannot turn on
power
Is the internal battery charged?
P. 8
Is
F
(Power button) pressed
and held until the notification light
turns on?
P. 10
Cannot charge
the product
Is the AC adapter correctly
connected?
P. 8
Is the product at a high or low
temperature? The product may
stop charging depending on a
temperature.
P. 8
Is the accessory (the supplied AC
adapter) used for charging?
P. 8
Cannot operate/
The screen does
not respond/
Cannot turn off
the power
Press and hold
F
(Power
button) and
r
(Volume up
button) at the same time for at
least 11 seconds to force the
product to shut down and restart.
P. 10
The power
is turned off
automatically
Is the internal battery adequately
charged?
P. 8
The power is
turned off while
the wake-up logo
is displayed
Is the internal battery adequately
charged?
P. 8
Trouble
Detail
Page
" " (out of
service area)
appears
Is the product in a place where
signal is good enough?
-
Is the built-in antenna covered
with finger, etc.?
P. 6
Cannot operate
button/touch
panel
Is the power turned on?
P. 10
Turn off the power and then turn it
on again.
P. 10
A message
indicating that
charging is
necessary is
displayed
The battery is almost empty.
P. 8
The battery can
only be used a
short time
Is the battery adequately
charged?
• Charge until the red charging
light turns green.
P. 8
Does the internal battery have
adequate service life remaining?
P. 37
Is the product left in the place for
a long period where " " (out of
service area) appears?
-
Stop using/disabling unused apps
or functions.
-
Display is dark
Is the temperature of the product
or battery high? The display may
become dark depending on the
temperature of the product.
-
If you cannot find the solution to your problem in the
above items, contact the support center on the back
cover.
Summary of Contents for KC-T301DT
Page 1: ...User Guide ...