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The low backup battery message continues to appear even after replacement of the
backup battery.
Possible Cause
The backup battery is upside down.
The backup battery was loaded before the
main battery.
Power was left on while the battery
pack was replaced.
Recommended Action
Remove the backup battery, turn it
over, and reload it.
Remove the backup battery, and reload it.
Turn power off and then back on again.
Nothing happens when the touch screen is touched.
Possible Cause
The touch screen is out of calibration.
Static electricity or some other problem has
caused the touch screen to malfunction.
The touch screen is damaged.
Recommended Action
Recalibrating the touch screen.
Reset the unit.
Contact your original dealer or an
expert.
The screen is locked up.
Possible Cause
Internal malfunction
Recommended Action
Reset the unit.
If resetting the unit does not correct the
problem, perform a full reset (memory
initialize).*
A message about a data error is on the screen.
Possible Cause
Internal malfunction
Recommended Action
Follow the instructions that appear on
the screen.
* Perform the procedure on the page 24 when the full reset (memory initialize) does not correct the
problem.