User's Manual

Troubleshooting
DLT-V72 Series User Manual V2.74
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Error
Possible cause(s)
Remedy
Battery pack run time is
significantly shorter than
specified.
The device may possibly
not be in the temperature
range, which is necessary
for charging the battery
pack.
Check the temperature
specifications for the device
and surroundings.
Maximum number of
charging cycles of the
battery pack has been
reached.
If temperature causes can be
ruled out, the battery pack has
possibly reached the
maximum number of charging
cycles.
Replace the battery pack. Use
only original battery pack from
Advantech.
No UPS functionality
although battery pack is
plugged in.
Battery pack is
discharged or deep
discharged.
Charge the battery pack
properly.
Observe: If the battery pack is
deep discharged, the charging
time can increase by a
multiple.
Nothing is shown on the
display,
Power LED does not
light up.
There is no voltage
present on the device.
Check the power switch, plug
connection, power supply
cable and fuse.
Ignition signal missing.
Check ignition cable and
signal
Nothing is shown on the
display, Power LED
active.
Backlight is switched off.
Press backlight key ("light
bulb" symbol).
Brightness to low
Increase display brightness
with key
Nothing is shown on the
display,
Temp LED active.
Operating temperature
limits
exceeded/undershot.
Wait until the device has
cooled down resp. warmed
up.
Touchscreen reacts
imprecisely.
Device cannot be
operated by touch input.
Touchscreen is switched
off.
Press touchscreen on/off.
Touch driver error
Reinstall the touch driver or
change settings
Touchscreen is not
calibrated correctly.
The touchscreens is already
calibrated at the factory and
therefore and does usually not
need to be recalibrated.
However, the operating
systems Win7Pro, Windows
8.1 Industry and WE8S do
permit recalibration of the
touchscreen via software
(Menu Control Panel ->
Tablet PC Settings).
This resets the sensitivity of
the touchscreen to an