Maintenance and Troubleshooting 5 - 3
During data 
communication, no data 
was transmitted, or 
transmitted data was 
incomplete.
Mobile computer 
removed from cradle 
or unplugged from 
host computer during 
communication.
Replace the mobile computer in the cradle, or reattach the cable 
and re-transmit.
Incorrect cable 
configuration.
See the system administrator or refer to the MC3000 Integrator 
Guide.
Communication 
software was 
incorrectly installed or 
configured.
See the system administrator or refer to the MC3000 Integrator 
Guide.
Mobile computer does 
not emit sound.
Volume setting is low 
or turned off.
Mobile computer may be a beeper only configuration or incorrect 
setting is programmed into device.
Mobile computer turns 
itself off.
Mobile computer is 
inactive.
The mobile computer turns off after a period of inactivity. This 
period can be set from one to five minutes, in one-minute 
intervals.
Battery is depleted. Recharge or replace the battery.
Battery is not inserted 
properly.
Insert the battery properly. For more information see, 
Install Main 
Battery on page 1-5
.
Tapping the window 
buttons or icons does 
not activate the 
corresponding feature.
Touch screen not 
calibrated correctly.
Re-calibrate the screen. 
From the mobile computer, Demo window double-tap the Ctl 
Panel icon and double-tap on Touch Calibrate. Follow the screen 
prompts.
The system crashed. Warm boot the system. To perform a warm boot, see 
Resetting 
the Mobile Computer on page 2-28
.
A message appears 
stating that the mobile 
computer memory is 
full.
Too many files stored 
on the mobile 
computer.
Delete unused memos and records. If necessary, save these 
records on the host computer.
Too many 
applications installed 
on the mobile 
computer.
Remove unused installed applications from the mobile computer 
to recover memory. 
Table 5-1    Troubleshooting the Mobile Computer (Continued)
Problem Cause Solution